using Microsoft.AspNetCore.Mvc;
using GreenHome.Application;

namespace GreenHome.Api.Controllers;

[ApiController]
[Route("api/[controller]")]
public class TelemetryController : ControllerBase
{
    private readonly ITelemetryService telemetryService;
    private readonly IAlertService alertService;

    public TelemetryController(ITelemetryService telemetryService, IAlertService alertService)
    {
        this.telemetryService = telemetryService;
        this.alertService = alertService;
    }

    [HttpGet]
    public async Task<ActionResult<PagedResult<TelemetryDto>>> List([FromQuery] int? deviceId, [FromQuery] DateTime? startUtc, [FromQuery] DateTime? endUtc, [FromQuery] int page = 1, [FromQuery] int pageSize = 20, CancellationToken cancellationToken = default)
    {
        var filter = new TelemetryFilter { DeviceId = deviceId, StartDateUtc = startUtc, EndDateUtc = endUtc, Page = page, PageSize = pageSize };
        var result = await telemetryService.ListAsync(filter, cancellationToken);
        return Ok(result);
    }

    [HttpGet("AddData")]
    public async Task<ActionResult<string>> Create([FromQuery] TelemetryDto telementry, CancellationToken cancellationToken)
    {

        telementry.TimestampUtc = DateTime.UtcNow;
        var id = await telemetryService.AddAsync(telementry, cancellationToken);

        string? message;

        var deviceId = telementry.DeviceId;
        if(deviceId > 0)
        {
            message = await alertService.CheckAndSendAlertsAsync(deviceId, telementry, cancellationToken);
            if(!string.IsNullOrEmpty(message))
            {
                return Ok(message);
            }
        }

        // Check and send alerts if needed (fire and forget)
        // _ = Task.Run(async () =>
        // {
        //     try
        //     {
        //         // Get deviceId from the saved telemetry record
        //         var deviceId = telementry.DeviceId;
        //         if (deviceId > 0)
        //         {
        //             await alertService.CheckAndSendAlertsAsync(deviceId, telementry, cancellationToken);
        //         }
        //     }
        //     catch
        //     {
        //         // Log error but don't fail the request
        //         // Errors are logged in AlertService
        //     }
        // }, cancellationToken);

        return Ok(id + "");
    }

    [HttpGet("minmax")]
    public async Task<ActionResult<TelemetryMinMax>> MinMax([FromQuery] int deviceId, [FromQuery] DateTime? startUtc, [FromQuery] DateTime? endUtc, CancellationToken cancellationToken)
    {
        var result = await telemetryService.GetMinMaxAsync(deviceId, startUtc, endUtc, cancellationToken);
        return Ok(result);
    }

    [HttpGet("days")]
    public async Task<ActionResult<IReadOnlyList<DayCount>>> Days([FromQuery] int deviceId, [FromQuery] int year, [FromQuery] int month, CancellationToken cancellationToken)
    {
        var result = await telemetryService.GetMonthDaysAsync(deviceId, year, month, cancellationToken);
        return Ok(result);
    }

    [HttpGet("months")]
    public async Task<ActionResult<IReadOnlyList<int>>> Months([FromQuery] int deviceId, [FromQuery] int year, CancellationToken cancellationToken)
    {
        var result = await telemetryService.GetActiveMonthsAsync(deviceId, year, cancellationToken);
        return Ok(result);
    }
}