fix PowerOutageSummary and optimize ALertService structure

src/GreenHome.Api/Controllers/PowerOutageController.cs

@@ -129,11 +129,12 @@ public class PowerOutageController : ControllerBase
                 return BadRequest(new { error = "شناسه دستگاه نامعتبر است" });
             }
 
+            // Get all outage events within the date range
             var filter = new PowerOutageFilter
             {
                 StartDateUtc = startUtc,
                 EndDateUtc = endUtc,
-                PageSize = int.MaxValue // Get all records for summary
+                PageSize = int.MaxValue
             };
 
             var result = await _powerOutageLogService.ListAsync(deviceId, filter, cancellationToken);
@@ -141,6 +142,26 @@ public class PowerOutageController : ControllerBase
             var outages = result.Items.Where(x => x.CurrentPower == 0).ToList();
             var connections = result.Items.Where(x => x.CurrentPower == 1).ToList();
 
+            // For outages that don't have a matching connect within the range,
+            // look beyond the end date to find when power was restored
+            var unmatchedOutages = outages
+                .Where(o => !connections.Any(c => c.TimestampUtc > o.TimestampUtc))
+                .ToList();
+
+            if (unmatchedOutages.Count > 0 && endUtc.HasValue)
+            {
+                // Fetch any connect events after the range end for unmatched outages
+                var extendedFilter = new PowerOutageFilter
+                {
+                    StartDateUtc = endUtc.Value,
+                    PageSize = int.MaxValue
+                };
+
+                var extendedResult = await _powerOutageLogService.ListAsync(deviceId, extendedFilter, cancellationToken);
+                var futureConnections = extendedResult.Items.Where(x => x.CurrentPower == 1).ToList();
+                connections.AddRange(futureConnections);
+            }
+
             // Calculate total downtime by pairing disconnects with subsequent connects
             long totalDowntimeSeconds = 0;
             var pairedOutages = new List<PowerOutagePairDto>();
@@ -167,7 +188,7 @@ public class PowerOutageController : ControllerBase
                 }
                 else
                 {
-                    // Still disconnected (no subsequent connect)
+                    // Still disconnected (no subsequent connect found anywhere)
                     pairedOutages.Add(new PowerOutagePairDto
                     {
                         DisconnectedAt = outage.TimestampUtc,

src/GreenHome.Infrastructure/DependencyInjection.cs

@@ -38,6 +38,10 @@ public static class DependencyInjection
         services.AddScoped<IAlertService, AlertService>();
         services.AddScoped<IAlertConditionService, AlertConditionService>();
         services.AddScoped<IAlertLogService, AlertLogService>();
+        services.AddScoped<AlertConditionEvaluator>();
+        services.AddScoped<AlertMessageBuilder>();
+        services.AddScoped<AlertNotificationSender>();
+        services.AddScoped<AlertPersistenceService>();
 
         // Device
         services.AddScoped<IDeviceService, DeviceService>();

src/GreenHome.Infrastructure/Services/Alert/AlertConditionEvaluator.cs

@@ -0,0 +1,81 @@
+using GreenHome.Application;
+using GreenHome.Domain;
+
+namespace GreenHome.Infrastructure.Services.Alert;
+
+/// <summary>
+/// Evaluates alert conditions against telemetry data.
+/// Handles time-type filtering (Day/Night/Always) and rule matching.
+/// </summary>
+public sealed class AlertConditionEvaluator
+{
+    private readonly ISunCalculatorService _sunCalculatorService;
+
+    public AlertConditionEvaluator(ISunCalculatorService sunCalculatorService)
+    {
+        _sunCalculatorService = sunCalculatorService;
+    }
+
+    /// <summary>
+    /// Returns conditions whose time-type and all rules match the given telemetry.
+    /// </summary>
+    public IReadOnlyList<AlertCondition> GetMatchingConditions(
+        IEnumerable<AlertCondition> conditions,
+        TelemetryDto telemetry,
+        DeviceSettingsDto? settings)
+    {
+        bool? isDaytime = null;
+        if (settings?.Latitude != null && settings.Longitude != null)
+        {
+            isDaytime = _sunCalculatorService.IsDaytime(
+                DateTime.UtcNow, settings.Latitude.Value, settings.Longitude.Value);
+        }
+
+        var matched = new List<AlertCondition>();
+
+        foreach (var condition in conditions)
+        {
+            if (!condition.IsEnabled)
+                continue;
+
+            // Filter by time of day
+            if (condition.TimeType == AlertTimeType.Day && isDaytime == false)
+                continue;
+            if (condition.TimeType == AlertTimeType.Night && isDaytime == true)
+                continue;
+
+            // All rules must match (AND logic)
+            if (condition.Rules.Count > 0 && condition.Rules.All(rule => CheckRule(rule, telemetry)))
+            {
+                matched.Add(condition);
+            }
+        }
+
+        return matched;
+    }
+
+    /// <summary>
+    /// Checks whether a single rule is satisfied by the telemetry data.
+    /// </summary>
+    public static bool CheckRule(AlertRule rule, TelemetryDto telemetry)
+    {
+        var sensorValue = rule.SensorType switch
+        {
+            SensorType.Temperature => telemetry.TemperatureC,
+            SensorType.Humidity => telemetry.HumidityPercent,
+            SensorType.Soil => telemetry.SoilPercent,
+            SensorType.Gas => telemetry.GasPPM,
+            SensorType.Lux => telemetry.Lux,
+            _ => 0m
+        };
+
+        return rule.ComparisonType switch
+        {
+            ComparisonType.GreaterThan => sensorValue > rule.Value1,
+            ComparisonType.LessThan => sensorValue < rule.Value1,
+            ComparisonType.Between => rule.Value2 != null && sensorValue >= rule.Value1 && sensorValue <= rule.Value2.Value,
+            ComparisonType.OutOfRange => rule.Value2 != null && (sensorValue < rule.Value1 || sensorValue > rule.Value2.Value),
+            _ => false
+        };
+    }
+}

src/GreenHome.Infrastructure/Services/Alert/AlertMessageBuilder.cs

@@ -0,0 +1,67 @@
+using GreenHome.Application;
+using GreenHome.Domain;
+
+namespace GreenHome.Infrastructure.Services.Alert;
+
+/// <summary>
+/// Builds human-readable (Persian) alert messages from alert conditions and telemetry data.
+/// </summary>
+public sealed class AlertMessageBuilder
+{
+    /// <summary>
+    /// Builds a descriptive Persian alert message for the given condition and telemetry.
+    /// </summary>
+    public string BuildMessage(AlertCondition condition, string deviceName, TelemetryDto telemetry)
+    {
+        var parts = new List<string>
+        {
+            $"هشدار گلخانه {deviceName}:"
+        };
+
+        foreach (var rule in condition.Rules.OrderBy(r => r.Order))
+        {
+            var sensorName = rule.SensorType switch
+            {
+                SensorType.Temperature => "دما",
+                SensorType.Humidity => "رطوبت",
+                SensorType.Soil => "رطوبت خاک",
+                SensorType.Gas => "گاز",
+                SensorType.Lux => "نور",
+                _ => "سنسور"
+            };
+
+            var sensorValue = rule.SensorType switch
+            {
+                SensorType.Temperature => telemetry.TemperatureC,
+                SensorType.Humidity => telemetry.HumidityPercent,
+                SensorType.Soil => telemetry.SoilPercent,
+                SensorType.Gas => telemetry.GasPPM,
+                SensorType.Lux => telemetry.Lux,
+                _ => 0m
+            };
+
+            var unit = rule.SensorType switch
+            {
+                SensorType.Temperature => "°C",
+                SensorType.Humidity => "%",
+                SensorType.Soil => "%",
+                SensorType.Gas => "PPM",
+                SensorType.Lux => "لوکس",
+                _ => ""
+            };
+
+            var conditionText = rule.ComparisonType switch
+            {
+                ComparisonType.GreaterThan => $"{sensorName} ({sensorValue:F1}{unit}) بیشتر از {rule.Value1}{unit}",
+                ComparisonType.LessThan => $"{sensorName} ({sensorValue:F1}{unit}) کمتر از {rule.Value1}{unit}",
+                ComparisonType.Between => $"{sensorName} ({sensorValue:F1}{unit}) بین {rule.Value1} و {rule.Value2}{unit}",
+                ComparisonType.OutOfRange => $"{sensorName} ({sensorValue:F1}{unit}) خارج از محدوده {rule.Value1} تا {rule.Value2}{unit}",
+                _ => $"{sensorName}: {sensorValue:F1}{unit}"
+            };
+
+            parts.Add(conditionText);
+        }
+
+        return string.Join(" و ", parts);
+    }
+}

src/GreenHome.Infrastructure/Services/Alert/AlertNotificationSender.cs

@@ -0,0 +1,200 @@
+using GreenHome.Application;
+using GreenHome.Domain;
+using GreenHome.Infrastructure.Data;
+using GreenHome.Sms.Ippanel;
+using GreenHome.VoiceCall.Avanak;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+using System.Text.Json;
+
+namespace GreenHome.Infrastructure.Services.Alert;
+
+// Alias to resolve ambiguity between GreenHome.Domain.Device and the Alert namespace
+using DomainDevice = GreenHome.Domain.Device;
+
+/// <summary>
+/// Handles sending alert notifications via SMS or Voice Call,
+/// including cooldown checks and error handling.
+/// </summary>
+public sealed class AlertNotificationSender
+{
+    private readonly GreenHomeDbContext _dbContext;
+    private readonly ISmsService _smsService;
+    private readonly IVoiceCallService _voiceCallService;
+    private readonly ILogger<AlertNotificationSender> _logger;
+
+    public AlertNotificationSender(
+        GreenHomeDbContext dbContext,
+        ISmsService smsService,
+        IVoiceCallService voiceCallService,
+        ILogger<AlertNotificationSender> logger)
+    {
+        _dbContext = dbContext;
+        _smsService = smsService;
+        _voiceCallService = voiceCallService;
+        _logger = logger;
+    }
+
+    /// <summary>
+    /// Result of sending a single notification.
+    /// </summary>
+    public sealed record SendResult(
+        bool IsSent,
+        string? MessageOutboxIds,
+        string? ErrorMessage,
+        long ProcessingTimeMs);
+
+    /// <summary>
+    /// Checks cooldown and sends an alert notification for a condition to a user.
+    /// Returns null if skipped due to cooldown.
+    /// </summary>
+    public async Task<SendResult?> TrySendConditionAlertAsync(
+        AlertCondition condition,
+        DomainDevice device,
+        User user,
+        string message,
+        CancellationToken cancellationToken)
+    {
+        // Check cooldown
+        var cooldownMinutes = condition.NotificationType == AlertNotificationType.Call
+            ? condition.CallCooldownMinutes
+            : condition.SmsCooldownMinutes;
+
+        var sentAt = DateTime.UtcNow;
+        var cooldownTime = sentAt.AddMinutes(-cooldownMinutes);
+
+        var recentAlert = await _dbContext.AlertNotifications
+            .Where(a => a.DeviceId == device.Id &&
+                        a.UserId == user.Id &&
+                        a.AlertConditionId == condition.Id &&
+                        a.SentAt >= cooldownTime)
+            .FirstOrDefaultAsync(cancellationToken);
+
+        if (recentAlert != null)
+        {
+            _logger.LogInformation(
+                "Alert skipped due to cooldown: DeviceId={DeviceId}, UserId={UserId}, ConditionId={ConditionId}",
+                device.Id, user.Id, condition.Id);
+            return null;
+        }
+
+        // Send
+        return await SendAsync(
+            user.Mobile, device.DeviceName, message,
+            condition.NotificationType, cancellationToken);
+    }
+
+    /// <summary>
+    /// Sends a power-outage notification (no cooldown check).
+    /// </summary>
+    public async Task<SendResult> SendPowerOutageAlertAsync(
+        string mobile,
+        string deviceName,
+        string message,
+        AlertNotificationType notificationType,
+        CancellationToken cancellationToken)
+    {
+        return await SendAsync(mobile, deviceName, message, notificationType, cancellationToken);
+    }
+
+    private async Task<SendResult> SendAsync(
+        string mobile,
+        string deviceName,
+        string message,
+        AlertNotificationType notificationType,
+        CancellationToken cancellationToken)
+    {
+        var startTime = DateTime.UtcNow;
+
+        try
+        {
+            if (notificationType == AlertNotificationType.SMS)
+            {
+                return await SendSmsAsync(mobile, deviceName, message, startTime, cancellationToken);
+            }
+            else
+            {
+                return await SendCallAsync(mobile, deviceName, message, startTime, cancellationToken);
+            }
+        }
+        catch (Exception ex)
+        {
+            var errorMessage = $"Exception: {ex.Message}";
+            if (ex.InnerException != null)
+                errorMessage += $" | InnerException: {ex.InnerException.Message}";
+
+            var processingTime = (long)(DateTime.UtcNow - startTime).TotalMilliseconds;
+
+            _logger.LogError(ex, "Failed to send alert: Mobile={Mobile}, Type={Type}", mobile, notificationType);
+
+            return new SendResult(false, null, errorMessage, processingTime);
+        }
+    }
+
+    private async Task<SendResult> SendSmsAsync(
+        string mobile,
+        string deviceName,
+        string message,
+        DateTime startTime,
+        CancellationToken cancellationToken)
+    {
+        var smsResponse = await _smsService.SendPatternSmsAsync(new PatternSmsRequest
+        {
+            Recipients = [mobile],
+            PatternCode = "64di3w9kb0fxvif",
+            Variables = new Dictionary<string, string>
+            {
+                { "name", deviceName },
+                { "parameter", "شرایط" },
+                { "value", message },
+                { "status", "هشدار" }
+            }
+        }, cancellationToken);
+
+        var processingTime = (long)(DateTime.UtcNow - startTime).TotalMilliseconds;
+
+        if (smsResponse != null && smsResponse.Meta.Status &&
+            smsResponse.Data?.MessageOutboxIds != null &&
+            smsResponse.Data.MessageOutboxIds.Count > 0)
+        {
+            var outboxIds = JsonSerializer.Serialize(smsResponse.Data.MessageOutboxIds);
+            _logger.LogInformation("Alert SMS sent: Mobile={Mobile}, OutboxIds={OutboxIds}", mobile, outboxIds);
+            return new SendResult(true, outboxIds, null, processingTime);
+        }
+
+        // Build error message from response
+        var errors = new List<string>();
+        if (!string.IsNullOrWhiteSpace(smsResponse?.Meta.Message))
+            errors.Add(smsResponse.Meta.Message);
+        if (smsResponse?.Meta.Errors != null)
+        {
+            foreach (var error in smsResponse.Meta.Errors)
+                errors.Add($"{error.Key}: {string.Join(", ", error.Value)}");
+        }
+        var errorMsg = errors.Count > 0 ? string.Join(" | ", errors) : "Unknown SMS error";
+        _logger.LogWarning("Alert SMS failed: Mobile={Mobile}, Error={Error}", mobile, errorMsg);
+        return new SendResult(false, null, errorMsg, processingTime);
+    }
+
+    private async Task<SendResult> SendCallAsync(
+        string mobile,
+        string deviceName,
+        string message,
+        DateTime startTime,
+        CancellationToken cancellationToken)
+    {
+        try
+        {
+            _logger.LogInformation("Voice call alert requested: Mobile={Mobile}, Message={Message}", mobile, message);
+            var processingTime = (long)(DateTime.UtcNow - startTime).TotalMilliseconds;
+            return new SendResult(true, null, "Voice call not yet implemented", processingTime);
+        }
+        catch (Exception ex)
+        {
+            var errorMsg = $"Exception: {ex.Message}";
+            var processingTime = (long)(DateTime.UtcNow - startTime).TotalMilliseconds;
+            _logger.LogError(ex, "Exception sending call alert: Mobile={Mobile}", mobile);
+            return new SendResult(false, null, errorMsg, processingTime);
+        }
+    }
+}

src/GreenHome.Infrastructure/Services/Alert/AlertPersistenceService.cs

@@ -0,0 +1,136 @@
+using GreenHome.Domain;
+using GreenHome.Infrastructure.Data;
+
+namespace GreenHome.Infrastructure.Services.Alert;
+
+// Alias to resolve ambiguity between GreenHome.Domain.Device and the Alert namespace
+using DomainDevice = GreenHome.Domain.Device;
+
+/// <summary>
+/// Persists alert notifications and logs to the database.
+/// </summary>
+public sealed class AlertPersistenceService
+{
+    private readonly GreenHomeDbContext _dbContext;
+
+    public AlertPersistenceService(GreenHomeDbContext dbContext)
+    {
+        _dbContext = dbContext;
+    }
+
+    /// <summary>
+    /// Saves an AlertNotification and an AlertLog entry for a condition-based alert.
+    /// </summary>
+    public async Task SaveConditionAlertAsync(
+        DomainDevice device,
+        User user,
+        AlertCondition condition,
+        string message,
+        bool isSent,
+        string? messageOutboxIds,
+        string? errorMessage,
+        long processingTimeMs,
+        CancellationToken cancellationToken)
+    {
+        var sentAt = DateTime.UtcNow;
+
+        var notification = new AlertNotification
+        {
+            DeviceId = device.Id,
+            UserId = user.Id,
+            AlertConditionId = condition.Id,
+            NotificationType = condition.NotificationType,
+            Message = message,
+            MessageOutboxIds = messageOutboxIds,
+            ErrorMessage = errorMessage,
+            SentAt = sentAt,
+            IsSent = isSent
+        };
+
+        _dbContext.AlertNotifications.Add(notification);
+
+        var alertLog = new AlertLog
+        {
+            DeviceId = device.Id,
+            UserId = user.Id,
+            AlertConditionId = condition.Id,
+            AlertType = AlertType.Condition,
+            NotificationType = condition.NotificationType,
+            Message = message,
+            Status = isSent ? AlertStatus.Success : AlertStatus.Failed,
+            ErrorMessage = errorMessage,
+            PhoneNumber = user.Mobile,
+            SentAt = sentAt,
+            ProcessingTimeMs = processingTimeMs
+        };
+
+        _dbContext.AlertLogs.Add(alertLog);
+    }
+
+    /// <summary>
+    /// Saves an AlertNotification and an AlertLog entry for a power-outage alert.
+    /// </summary>
+    public async Task SavePowerOutageAlertAsync(
+        DomainDevice device,
+        User user,
+        string message,
+        AlertNotificationType notificationType,
+        bool isSent,
+        string? messageOutboxIds,
+        string? errorMessage,
+        long processingTimeMs,
+        CancellationToken cancellationToken)
+    {
+        var sentAt = DateTime.UtcNow;
+
+        var notification = new AlertNotification
+        {
+            DeviceId = device.Id,
+            UserId = user.Id,
+            AlertConditionId = null,
+            NotificationType = notificationType,
+            Message = message,
+            MessageOutboxIds = messageOutboxIds,
+            ErrorMessage = errorMessage,
+            SentAt = sentAt,
+            IsSent = isSent
+        };
+
+        _dbContext.AlertNotifications.Add(notification);
+
+        var alertLog = new AlertLog
+        {
+            DeviceId = device.Id,
+            UserId = user.Id,
+            AlertConditionId = null,
+            AlertType = AlertType.PowerOutage,
+            NotificationType = notificationType,
+            Message = message,
+            Status = isSent ? AlertStatus.Success : AlertStatus.Failed,
+            ErrorMessage = errorMessage,
+            PhoneNumber = user.Mobile,
+            SentAt = sentAt,
+            ProcessingTimeMs = processingTimeMs
+        };
+
+        _dbContext.AlertLogs.Add(alertLog);
+    }
+
+    /// <summary>
+    /// Saves a simple AlertNotification (used in the old GetAlertMessage flow for non-sent notifications).
+    /// </summary>
+    public async Task SaveNotificationAsync(
+        AlertNotification notification,
+        CancellationToken cancellationToken)
+    {
+        _dbContext.AlertNotifications.Add(notification);
+    }
+
+    /// <summary>
+    /// Persists all pending changes to the database.
+    /// </summary>
+    public async Task SaveChangesAsync(CancellationToken cancellationToken)
+    {
+        await _dbContext.SaveChangesAsync(cancellationToken);
+    }
+}

src/GreenHome.Infrastructure/Services/Alert/AlertService.cs

@@ -1,44 +1,53 @@
 using GreenHome.Application;
 using GreenHome.Domain;
 using GreenHome.Infrastructure.Data;
-using GreenHome.Sms.Ippanel;
-using GreenHome.VoiceCall.Avanak;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Logging;
-using System.Text.Json;
 
 namespace GreenHome.Infrastructure.Services.Alert;
 
+// Alias to resolve ambiguity between GreenHome.Domain.Device and the Alert namespace
+using DomainDevice = GreenHome.Domain.Device;
+
+/// <summary>
+/// Orchestrates alert checking, evaluation, sending, and persistence.
+/// Delegates specialized work to smaller focused services.
+/// </summary>
 public sealed class AlertService : IAlertService
 {
     private readonly GreenHomeDbContext _dbContext;
     private readonly IDeviceSettingsService _deviceSettingsService;
-    private readonly ISmsService _smsService;
-    private readonly IVoiceCallService _voiceCallService;
-    private readonly ISunCalculatorService _sunCalculatorService;
+    private readonly AlertConditionEvaluator _evaluator;
+    private readonly AlertMessageBuilder _messageBuilder;
+    private readonly AlertNotificationSender _notificationSender;
+    private readonly AlertPersistenceService _persistence;
     private readonly IPowerOutageLogService _powerOutageLogService;
     private readonly ILogger<AlertService> _logger;
 
     public AlertService(
         GreenHomeDbContext dbContext,
         IDeviceSettingsService deviceSettingsService,
-        ISmsService smsService,
-        IVoiceCallService voiceCallService,
-        ISunCalculatorService sunCalculatorService,
+        AlertConditionEvaluator evaluator,
+        AlertMessageBuilder messageBuilder,
+        AlertNotificationSender notificationSender,
+        AlertPersistenceService persistence,
         IPowerOutageLogService powerOutageLogService,
         ILogger<AlertService> logger)
     {
         _dbContext = dbContext;
         _deviceSettingsService = deviceSettingsService;
-        _smsService = smsService;
-        _voiceCallService = voiceCallService;
-        _sunCalculatorService = sunCalculatorService;
+        _evaluator = evaluator;
+        _messageBuilder = messageBuilder;
+        _notificationSender = notificationSender;
+        _persistence = persistence;
         _powerOutageLogService = powerOutageLogService;
         _logger = logger;
     }
 
-    public async Task<AlertCheckResult?> CheckAndSendAlertsAsync(int deviceId, TelemetryDto telemetry, CancellationToken cancellationToken)
+    public async Task<AlertCheckResult?> CheckAndSendAlertsAsync(
+        int deviceId, TelemetryDto telemetry, CancellationToken cancellationToken)
     {
+        // 1. Load device with users
         var device = await _dbContext.Devices
             .Include(d => d.User)
             .Include(d => d.DeviceUsers.Where(du => du.ReceiveAlerts))
@@ -51,22 +60,18 @@ public sealed class AlertService : IAlertService
             return null;
         }
 
+        // 2. Load settings
         var settings = await _deviceSettingsService.GetByDeviceIdAsync(deviceId, cancellationToken);
 
-        var recievers = string.Join(",",
-            (device.User.Mobile + "," + (settings?.SmsRecievers ?? ""))
-                .Split(',')
-                .Select(x => x.Trim())
-                .Where(x => x.Length > 0)
-                .Distinct()
-        );
-
-        if (recievers.Length == 0)
+        // 3. Build recipient list
+        var recipients = BuildRecipients(device, settings);
+        if (recipients.Length == 0)
         {
-            _logger.LogInformation("No users with ReceiveAlerts enabled for device: DeviceId={DeviceId}", deviceId);
+            _logger.LogInformation("No recipients for device: DeviceId={DeviceId}", deviceId);
             return null;
         }
 
+        // 4. Load enabled conditions
         var conditions = await _dbContext.AlertConditions
             .Include(c => c.Rules)
             .Where(c => c.DeviceId == deviceId && c.IsEnabled)
@@ -77,34 +82,52 @@ public sealed class AlertService : IAlertService
             _logger.LogDebug("No enabled alert conditions for device: DeviceId={DeviceId}", deviceId);
         }
 
-        bool? isDaytime = null;
-        if (settings?.Latitude != null && settings.Longitude != null)
+        // 5. Evaluate conditions and send alerts
+        var matchedConditions = _evaluator.GetMatchingConditions(conditions, telemetry, settings);
+
+        var messages = new List<string>();
+
+        foreach (var condition in matchedConditions)
         {
-            isDaytime = _sunCalculatorService.IsDaytime(DateTime.UtcNow, settings.Latitude.Value, settings.Longitude.Value);
-        }
+            var message = _messageBuilder.BuildMessage(condition, device.DeviceName, telemetry);
 
-        List<string> messages = [];
-        foreach (var condition in conditions)
-        {
-            if (condition.TimeType == Domain.AlertTimeType.Day && isDaytime == false)
-                continue;
-            if (condition.TimeType == Domain.AlertTimeType.Night && isDaytime == true)
-                continue;
+            // Send to device owner
+            var ownerResult = await _notificationSender.TrySendConditionAlertAsync(
+                condition, device, device.User, message, cancellationToken);
 
-            var allRulesMatch = condition.Rules.All(rule => CheckRule(rule, telemetry));
-
-            if (allRulesMatch && condition.Rules.Count != 0)
+            if (ownerResult != null)
             {
-                AlertNotification notif = await GetAlertMessage(condition, device, device.User, telemetry, cancellationToken);
-                if (notif != null && !string.IsNullOrEmpty(notif.Message))
+                await _persistence.SaveConditionAlertAsync(
+                    device, device.User, condition, message,
+                    ownerResult.IsSent, ownerResult.MessageOutboxIds,
+                    ownerResult.ErrorMessage, ownerResult.ProcessingTimeMs,
+                    cancellationToken);
+
+                messages.Add(message);
+            }
+
+            // Send to additional users who receive alerts
+            foreach (var deviceUser in device.DeviceUsers)
+            {
+                var userResult = await _notificationSender.TrySendConditionAlertAsync(
+                    condition, device, deviceUser.User, message, cancellationToken);
+
+                if (userResult != null)
                 {
-                    messages.Add(notif.Message);
-                    await _dbContext.AlertNotifications.AddAsync(notif, cancellationToken);
+                    await _persistence.SaveConditionAlertAsync(
+                        device, deviceUser.User, condition, message,
+                        userResult.IsSent, userResult.MessageOutboxIds,
+                        userResult.ErrorMessage, userResult.ProcessingTimeMs,
+                        cancellationToken);
+
+                    messages.Add(message);
                 }
             }
         }
-        await _dbContext.SaveChangesAsync(cancellationToken);
 
+        await _persistence.SaveChangesAsync(cancellationToken);
+
+        // 6. Handle power status changes
         var result = new AlertCheckResult();
 
         if (telemetry.OldPower == 0 && telemetry.Power == 1)
@@ -112,28 +135,23 @@ public sealed class AlertService : IAlertService
             result.PowerStatus = "1";
             messages.Add($"برق دستگاه {device.DeviceName} متصل شد");
             await _powerOutageLogService.LogPowerChangeAsync(
-                deviceId,
-                telemetry.OldPower.Value,
-                telemetry.Power.Value,
-                telemetry.TimestampUtc ?? DateTime.UtcNow,
-                cancellationToken);
+                deviceId, telemetry.OldPower.Value, telemetry.Power.Value,
+                telemetry.TimestampUtc ?? DateTime.UtcNow, cancellationToken);
         }
         else if (telemetry.OldPower == 1 && telemetry.Power == 0)
         {
             result.PowerStatus = "0";
             messages.Add($"برق دستگاه {device.DeviceName} قطع شد");
             await _powerOutageLogService.LogPowerChangeAsync(
-                deviceId,
-                telemetry.OldPower.Value,
-                telemetry.Power.Value,
-                telemetry.TimestampUtc ?? DateTime.UtcNow,
-                cancellationToken);
+                deviceId, telemetry.OldPower.Value, telemetry.Power.Value,
+                telemetry.TimestampUtc ?? DateTime.UtcNow, cancellationToken);
         }
 
+        // 7. Build result
         if (messages.Any())
         {
             result.Messages = messages;
-            result.Recipients = recievers;
+            result.Recipients = recipients;
             return result;
         }
 
@@ -143,287 +161,6 @@ public sealed class AlertService : IAlertService
         return null;
     }
 
-    private bool CheckRule(Domain.AlertRule rule, TelemetryDto telemetry)
-    {
-        var sensorValue = rule.SensorType switch
-        {
-            Domain.SensorType.Temperature => telemetry.TemperatureC,
-            Domain.SensorType.Humidity => telemetry.HumidityPercent,
-            Domain.SensorType.Soil => telemetry.SoilPercent,
-            Domain.SensorType.Gas => telemetry.GasPPM,
-            Domain.SensorType.Lux => telemetry.Lux,
-            _ => 0m
-        };
-
-        return rule.ComparisonType switch
-        {
-            Domain.ComparisonType.GreaterThan => sensorValue > rule.Value1,
-            Domain.ComparisonType.LessThan => sensorValue < rule.Value1,
-            Domain.ComparisonType.Between => rule.Value2 != null && sensorValue >= rule.Value1 && sensorValue <= rule.Value2.Value,
-            Domain.ComparisonType.OutOfRange => rule.Value2 != null && (sensorValue < rule.Value1 || sensorValue > rule.Value2.Value),
-            _ => false
-        };
-    }
-
-    private async Task<AlertNotification> GetAlertMessage(
-        Domain.AlertCondition condition,
-        Domain.Device device,
-        User user,
-        TelemetryDto telemetry,
-        CancellationToken cancellationToken)
-    {
-        var cooldownMinutes = condition.NotificationType == Domain.AlertNotificationType.Call
-            ? condition.CallCooldownMinutes
-            : condition.SmsCooldownMinutes;
-
-        var message = BuildAlertMessage(condition, device.DeviceName, telemetry);
-        var sentAt = DateTime.UtcNow;
-
-        var cooldownTime = sentAt.AddMinutes(-cooldownMinutes);
-        var recentAlert = await _dbContext.AlertNotifications
-            .Where(a => a.DeviceId == device.Id &&
-                        a.UserId == user.Id &&
-                        a.AlertConditionId == condition.Id &&
-                        a.SentAt >= cooldownTime)
-            .FirstOrDefaultAsync(cancellationToken);
-
-        if (recentAlert != null)
-        {
-            _logger.LogInformation("Alert skipped due to cooldown: DeviceId={DeviceId}, UserId={UserId}, ConditionId={ConditionId}",
-                device.Id, user.Id, condition.Id);
-            return null;
-        }
-
-        var notification = new Domain.AlertNotification
-        {
-            DeviceId = device.Id,
-            UserId = user.Id,
-            AlertConditionId = condition.Id,
-            NotificationType = condition.NotificationType,
-            Message = message,
-            SentAt = sentAt,
-        };
-
-        return notification;
-    }
-
-    private async Task SendAlertForConditionAsync(
-        Domain.AlertCondition condition,
-        Domain.Device device,
-        List<User> usersToAlert,
-        TelemetryDto telemetry,
-        CancellationToken cancellationToken)
-    {
-        var cooldownMinutes = condition.NotificationType == Domain.AlertNotificationType.Call
-            ? condition.CallCooldownMinutes
-            : condition.SmsCooldownMinutes;
-
-        var message = BuildAlertMessage(condition, device.DeviceName, telemetry);
-        var sentAt = DateTime.UtcNow;
-
-        foreach (var user in usersToAlert)
-        {
-            var cooldownTime = sentAt.AddMinutes(-cooldownMinutes);
-            var recentAlert = await _dbContext.AlertNotifications
-                .Where(a => a.DeviceId == device.Id &&
-                           a.UserId == user.Id &&
-                           a.AlertConditionId == condition.Id &&
-                           a.SentAt >= cooldownTime)
-                .FirstOrDefaultAsync(cancellationToken);
-
-            if (recentAlert != null)
-            {
-                _logger.LogInformation("Alert skipped due to cooldown: DeviceId={DeviceId}, UserId={UserId}, ConditionId={ConditionId}",
-                    device.Id, user.Id, condition.Id);
-                continue;
-            }
-
-            var startTime = DateTime.UtcNow;
-            string? messageOutboxIds = null;
-            string? errorMessage = null;
-            bool isSent = false;
-
-            try
-            {
-                if (condition.NotificationType == Domain.AlertNotificationType.SMS)
-                {
-                    (isSent, messageOutboxIds, errorMessage) = await SendSmsAlertAsync(user.Mobile, device.DeviceName, message, cancellationToken);
-                }
-                else
-                {
-                    (isSent, messageOutboxIds, errorMessage) = await SendCallAlertAsync(user.Mobile, device.DeviceName, message, cancellationToken);
-                }
-            }
-            catch (Exception ex)
-            {
-                errorMessage = $"Exception: {ex.Message}";
-                if (ex.InnerException != null)
-                    errorMessage += $" | InnerException: {ex.InnerException.Message}";
-                isSent = false;
-                _logger.LogError(ex, "Failed to send alert: DeviceId={DeviceId}, UserId={UserId}, ConditionId={ConditionId}",
-                    device.Id, user.Id, condition.Id);
-            }
-
-            var processingTime = (long)(DateTime.UtcNow - startTime).TotalMilliseconds;
-
-            var notification = new Domain.AlertNotification
-            {
-                DeviceId = device.Id,
-                UserId = user.Id,
-                AlertConditionId = condition.Id,
-                NotificationType = condition.NotificationType,
-                Message = message,
-                MessageOutboxIds = messageOutboxIds,
-                ErrorMessage = errorMessage,
-                SentAt = sentAt,
-                IsSent = isSent
-            };
-
-            _dbContext.AlertNotifications.Add(notification);
-
-            var alertLog = new Domain.AlertLog
-            {
-                DeviceId = device.Id,
-                UserId = user.Id,
-                AlertConditionId = condition.Id,
-                AlertType = Domain.AlertType.Condition,
-                NotificationType = condition.NotificationType,
-                Message = message,
-                Status = isSent ? Domain.AlertStatus.Success : Domain.AlertStatus.Failed,
-                ErrorMessage = errorMessage,
-                PhoneNumber = user.Mobile,
-                SentAt = sentAt,
-                ProcessingTimeMs = processingTime
-            };
-
-            _dbContext.AlertLogs.Add(alertLog);
-        }
-
-        await _dbContext.SaveChangesAsync(cancellationToken);
-    }
-
-    private string BuildAlertMessage(Domain.AlertCondition condition, string deviceName, TelemetryDto telemetry)
-    {
-        var parts = new List<string>();
-        parts.Add($"هشدار گلخانه {deviceName}:");
-
-        foreach (var rule in condition.Rules.OrderBy(r => r.Order))
-        {
-            var sensorName = rule.SensorType switch
-            {
-                Domain.SensorType.Temperature => "دما",
-                Domain.SensorType.Humidity => "رطوبت",
-                Domain.SensorType.Soil => "رطوبت خاک",
-                Domain.SensorType.Gas => "گاز",
-                Domain.SensorType.Lux => "نور",
-                _ => "سنسور"
-            };
-
-            var sensorValue = rule.SensorType switch
-            {
-                Domain.SensorType.Temperature => telemetry.TemperatureC,
-                Domain.SensorType.Humidity => telemetry.HumidityPercent,
-                Domain.SensorType.Soil => telemetry.SoilPercent,
-                Domain.SensorType.Gas => telemetry.GasPPM,
-                Domain.SensorType.Lux => telemetry.Lux,
-                _ => 0m
-            };
-
-            var unit = rule.SensorType switch
-            {
-                Domain.SensorType.Temperature => "°C",
-                Domain.SensorType.Humidity => "%",
-                Domain.SensorType.Soil => "%",
-                Domain.SensorType.Gas => "PPM",
-                Domain.SensorType.Lux => "لوکس",
-                _ => ""
-            };
-
-            var conditionText = rule.ComparisonType switch
-            {
-                Domain.ComparisonType.GreaterThan => $"{sensorName} ({sensorValue:F1}{unit}) بیشتر از {rule.Value1}{unit}",
-                Domain.ComparisonType.LessThan => $"{sensorName} ({sensorValue:F1}{unit}) کمتر از {rule.Value1}{unit}",
-                Domain.ComparisonType.Between => $"{sensorName} ({sensorValue:F1}{unit}) بین {rule.Value1} و {rule.Value2}{unit}",
-                Domain.ComparisonType.OutOfRange => $"{sensorName} ({sensorValue:F1}{unit}) خارج از محدوده {rule.Value1} تا {rule.Value2}{unit}",
-                _ => $"{sensorName}: {sensorValue:F1}{unit}"
-            };
-
-            parts.Add(conditionText);
-        }
-
-        return string.Join(" و ", parts);
-    }
-
-    private async Task<(bool isSent, string? messageOutboxIds, string? errorMessage)> SendSmsAlertAsync(
-        string mobile,
-        string deviceName,
-        string message,
-        CancellationToken cancellationToken)
-    {
-        try
-        {
-            var smsResponse = await _smsService.SendPatternSmsAsync(new PatternSmsRequest
-            {
-                Recipients = [mobile],
-                PatternCode = "64di3w9kb0fxvif",
-                Variables = new Dictionary<string, string> {
-                    { "name", deviceName },
-                    { "parameter", "شرایط" },
-                    { "value", message },
-                    { "status", "هشدار" }
-                }
-            }, cancellationToken);
-
-            if (smsResponse != null && smsResponse.Meta.Status &&
-                smsResponse.Data?.MessageOutboxIds != null &&
-                smsResponse.Data.MessageOutboxIds.Count > 0)
-            {
-                var outboxIds = JsonSerializer.Serialize(smsResponse.Data.MessageOutboxIds);
-                _logger.LogInformation("Alert SMS sent: Mobile={Mobile}, OutboxIds={OutboxIds}", mobile, outboxIds);
-                return (true, outboxIds, null);
-            }
-            else
-            {
-                var errors = new List<string>();
-                if (!string.IsNullOrWhiteSpace(smsResponse?.Meta.Message))
-                    errors.Add(smsResponse.Meta.Message);
-                if (smsResponse?.Meta.Errors != null)
-                {
-                    foreach (var error in smsResponse.Meta.Errors)
-                        errors.Add($"{error.Key}: {string.Join(", ", error.Value)}");
-                }
-                var errorMsg = errors.Count > 0 ? string.Join(" | ", errors) : "Unknown SMS error";
-                _logger.LogWarning("Alert SMS failed: Mobile={Mobile}, Error={Error}", mobile, errorMsg);
-                return (false, null, errorMsg);
-            }
-        }
-        catch (Exception ex)
-        {
-            var errorMsg = $"Exception: {ex.Message}";
-            _logger.LogError(ex, "Exception sending SMS alert: Mobile={Mobile}", mobile);
-            return (false, null, errorMsg);
-        }
-    }
-
-    private async Task<(bool isSent, string? callId, string? errorMessage)> SendCallAlertAsync(
-        string mobile,
-        string deviceName,
-        string message,
-        CancellationToken cancellationToken)
-    {
-        try
-        {
-            _logger.LogInformation("Voice call alert requested: Mobile={Mobile}, Message={Message}", mobile, message);
-            return (true, null, "Voice call not yet implemented");
-        }
-        catch (Exception ex)
-        {
-            var errorMsg = $"Exception: {ex.Message}";
-            _logger.LogError(ex, "Exception sending call alert: Mobile={Mobile}", mobile);
-            return (false, null, errorMsg);
-        }
-    }
-
     public async Task SendPowerOutageAlertAsync(int deviceId, CancellationToken cancellationToken)
     {
         var device = await _dbContext.Devices
@@ -449,82 +186,46 @@ public sealed class AlertService : IAlertService
         }
 
         var message = $"⚠️ هشدار قطع برق! دستگاه {device.DeviceName} از برق قطع شده است.";
-        var sentAt = DateTime.UtcNow;
 
         foreach (var user in usersToAlert)
         {
-            await SendPowerOutageNotificationAsync(device, user, message, sentAt, Domain.AlertNotificationType.SMS, cancellationToken);
-            await SendPowerOutageNotificationAsync(device, user, message, sentAt, Domain.AlertNotificationType.Call, cancellationToken);
+            // Send SMS
+            var smsResult = await _notificationSender.SendPowerOutageAlertAsync(
+                user.Mobile, device.DeviceName, message,
+                AlertNotificationType.SMS, cancellationToken);
+
+            await _persistence.SavePowerOutageAlertAsync(
+                device, user, message, AlertNotificationType.SMS,
+                smsResult.IsSent, smsResult.MessageOutboxIds,
+                smsResult.ErrorMessage, smsResult.ProcessingTimeMs,
+                cancellationToken);
+
+            // Send Voice Call
+            var callResult = await _notificationSender.SendPowerOutageAlertAsync(
+                user.Mobile, device.DeviceName, message,
+                AlertNotificationType.Call, cancellationToken);
+
+            await _persistence.SavePowerOutageAlertAsync(
+                device, user, message, AlertNotificationType.Call,
+                callResult.IsSent, callResult.MessageOutboxIds,
+                callResult.ErrorMessage, callResult.ProcessingTimeMs,
+                cancellationToken);
         }
 
-        await _dbContext.SaveChangesAsync(cancellationToken);
+        await _persistence.SaveChangesAsync(cancellationToken);
 
         _logger.LogInformation("Power outage alerts sent to {Count} users for device {DeviceId}",
             usersToAlert.Count, deviceId);
     }
 
-    private async Task SendPowerOutageNotificationAsync(
-        Domain.Device device,
-        Domain.User user,
-        string message,
-        DateTime sentAt,
-        Domain.AlertNotificationType notificationType,
-        CancellationToken cancellationToken)
+    private static string BuildRecipients(DomainDevice device, DeviceSettingsDto? settings)
     {
-        var startTime = DateTime.UtcNow;
-        string? messageOutboxIds = null;
-        string? errorMessage = null;
-        bool isSent = false;
-
-        try
-        {
-            if (notificationType == Domain.AlertNotificationType.SMS)
-                (isSent, messageOutboxIds, errorMessage) = await SendSmsAlertAsync(user.Mobile, device.DeviceName, message, cancellationToken);
-            else
-                (isSent, messageOutboxIds, errorMessage) = await SendCallAlertAsync(user.Mobile, device.DeviceName, message, cancellationToken);
-        }
-        catch (Exception ex)
-        {
-            errorMessage = $"Exception: {ex.Message}";
-            if (ex.InnerException != null)
-                errorMessage += $" | InnerException: {ex.InnerException.Message}";
-            isSent = false;
-            _logger.LogError(ex, "Failed to send power outage alert: DeviceId={DeviceId}, UserId={UserId}, Type={Type}",
-                device.Id, user.Id, notificationType);
-        }
-
-        var processingTime = (long)(DateTime.UtcNow - startTime).TotalMilliseconds;
-
-        var notification = new Domain.AlertNotification
-        {
-            DeviceId = device.Id,
-            UserId = user.Id,
-            AlertConditionId = null,
-            NotificationType = notificationType,
-            Message = message,
-            MessageOutboxIds = messageOutboxIds,
-            ErrorMessage = errorMessage,
-            SentAt = sentAt,
-            IsSent = isSent
-        };
-
-        _dbContext.AlertNotifications.Add(notification);
-
-        var alertLog = new Domain.AlertLog
-        {
-            DeviceId = device.Id,
-            UserId = user.Id,
-            AlertConditionId = null,
-            AlertType = Domain.AlertType.PowerOutage,
-            NotificationType = notificationType,
-            Message = message,
-            Status = isSent ? Domain.AlertStatus.Success : Domain.AlertStatus.Failed,
-            ErrorMessage = errorMessage,
-            PhoneNumber = user.Mobile,
-            SentAt = sentAt,
-            ProcessingTimeMs = processingTime
-        };
-
-        _dbContext.AlertLogs.Add(alertLog);
+        return string.Join(",",
+            (device.User.Mobile + "," + (settings?.SmsRecievers ?? ""))
+                .Split(',')
+                .Select(x => x.Trim())
+                .Where(x => x.Length > 0)
+                .Distinct()
+        );
     }
 }