using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.Mvc;
using PlaylistShared.Api.Entities;
using PlaylistShared.Api.Extensions;
using PlaylistShared.Api.Services;
using PlaylistShared.Shared.DTO;

namespace PlaylistShared.Api.Controllers;

[ApiController]
[Route("api/[controller]")]
[Authorize]
public class YandexTokenController : ControllerBase
{
    private readonly UserManager<ApplicationUser> _userManager;
    private readonly YandexMusicService _yandexService;

    public YandexTokenController(UserManager<ApplicationUser> userManager, YandexMusicService yandexService)
    {
        _userManager = userManager;
        _yandexService = yandexService;
    }

    [HttpPost("set")]
    public async Task<ActionResult<ApiResponse<object>>> SetToken([FromBody] SetYandexTokenRequest request)
    {
        var userId = User.GetUserId();
        var user = await _userManager.FindByIdAsync(userId.ToString());
        if (user == null) return Unauthorized();

        user.YandexAccessToken = _yandexService.EncryptToken(request.Token);
        // Не храним refresh-токен, так как пользователь вводит только access-токен
        user.YandexTokenExpiryUtc = DateTime.UtcNow.AddMonths(1); // условно, т.к. срок жизни токена неизвестен
        await _userManager.UpdateAsync(user);

        return Ok(ApiResponse<object>.Ok(new { message = "Токен сохранён" }));
    }

    [HttpGet("status")]
    public async Task<ActionResult<ApiResponse<YandexTokenStatus>>> GetStatus()
    {
        var userId = User.GetUserId();
        var user = await _userManager.FindByIdAsync(userId.ToString());
        if (user == null) return Unauthorized();

        var hasToken = !string.IsNullOrEmpty(user.YandexAccessToken);
        var isValid = hasToken && user.YandexTokenExpiryUtc > DateTime.UtcNow;

        return Ok(ApiResponse<YandexTokenStatus>.Ok(new YandexTokenStatus
        {
            HasToken = hasToken,
            IsValid = isValid,
            ExpiryUtc = user.YandexTokenExpiryUtc
        }));
    }
}