using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Options;
using backend.Data;
using backend.DTOs;
using backend.Models;

namespace backend.Controllers;

[ApiController]
[Route("api/[controller]")]
public class AdminController : ControllerBase
{
    private readonly AppDbContext _db;
    private readonly AppConfig _appConfig;

    public AdminController(AppDbContext db, IOptions<AppConfig> appConfig)
    {
        _db = db;
        _appConfig = appConfig.Value;
    }

    [HttpGet("report")]
    public async Task<IActionResult> GetReport([FromQuery] string password)
    {
       // if (password != _appConfig.AdminPassword)
        {
            return StatusCode(403, new { message = "رمز عبور اشتباه است." });
        }

        var users = await _db.Users
            .Include(u => u.QuizAttempt)
            .Include(u => u.KhatmSelections)
                .ThenInclude(ks => ks.KhatmItem)
            .Include(u => u.TotalScore)
            .OrderBy(u => u.Id)
            .ToListAsync();

        var report = users.Select(u => new AdminReportItem
        {
            UserId = u.Id,
            FullName = u.FullName,
            Contact = u.Contact,
            TrackingCode = u.TrackingCode,
            HasTakenQuiz = u.QuizAttempt != null,
            ParticipationPoints = u.QuizAttempt?.ParticipationPoints ?? 0,
            CorrectCount = u.QuizAttempt?.CorrectAnswersCount ?? 0,
            TotalQuizPoints = u.QuizAttempt?.TotalQuizPoints ?? 0,
            KhatmTitles = string.Join("، ",
                u.KhatmSelections
                    .Where(ks => ks.IsSelected)
                    .Select(ks => ks.KhatmItem.Title)),
            TotalScore = u.TotalScore?.TotalPoints ?? 0
        }).ToList();

        return Ok(report);
    }
}