using Marco.Pms.Model.Authentication;
using Marco.Pms.Model.Dtos;
using MarcoBMS.Services.Service;
using Microsoft.AspNetCore.Cors;
using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;

namespace MarcoBMS.Services.Controllers
{
    [ApiController]
    [Route("api/[controller]")]
    public class AuthController : ControllerBase
    {
        private readonly UserManager<IdentityUser> _userManager;
        private readonly JwtSettings _jwtSettings;
        private readonly RefreshTokenService _refreshTokenService;
        string tenentId = "1";
        public AuthController(UserManager<IdentityUser> userManager, JwtSettings jwtSettings, RefreshTokenService refreshTokenService)
        {
            _userManager = userManager;
            _jwtSettings = jwtSettings;
            _refreshTokenService = refreshTokenService;
        }

        [HttpPost("login")]
        public async Task<IActionResult> Login([FromBody] LoginDto loginDto)
        {
            var user = await _userManager.FindByEmailAsync(loginDto.Username);
            var user1 = await _userManager.Users.FirstOrDefaultAsync(u => u.Email == loginDto.Username || u.PhoneNumber == loginDto.Username);


            if (user == null || !await _userManager.CheckPasswordAsync(user, loginDto.Password))
            {
                return Unauthorized("Invalid username or password.");
            }

            var token = _refreshTokenService.GenerateJwtToken(user.UserName, tenentId, _jwtSettings);


            //var refreshToken = GenerateRefreshToken();

            var refreshToken = await _refreshTokenService.CreateRefreshToken(user.Id, tenentId, _jwtSettings);

            return Ok(new { token, refreshToken });
        }

        [HttpPost("logout")]
        public async Task<IActionResult> Logout([FromBody] LogoutDto logoutDto)
        {
            if (string.IsNullOrEmpty(logoutDto.RefreshToken))
            {
                return BadRequest(new { Message = "Refresh token is required" });
            }

            try
            {
                // Revoke the refresh token
                bool isRevoked = await _refreshTokenService.RevokeRefreshTokenAsync(logoutDto.RefreshToken);

                if (!isRevoked)
                    return Unauthorized(new { Message = "Invalid or expired refresh token" });

                // Optional: Blacklist the access token (JWT)
                string jwtToken = HttpContext.Request.Headers["Authorization"].ToString().Replace("Bearer ", "");
                if (!string.IsNullOrEmpty(jwtToken))
                {
                    await _refreshTokenService.BlacklistJwtTokenAsync(jwtToken);
                }

                return Ok(new { Message = "Logged out successfully" });
            }
            catch (Exception ex)
            {
               // _logger.LogError(ex, "Error during logout");
                return StatusCode(500, new { Message = "Internal server error" });
            }
        }


        [HttpPost("register")]
        public async Task<IActionResult> Register([FromBody] RegisterDto registerDto)
        {
            var user = new IdentityUser { UserName = registerDto.Username, Email = registerDto.Email };
            var result = await _userManager.CreateAsync(user, registerDto.Password);

            if (!result.Succeeded)
            {
                return BadRequest(result.Errors);
            }

            return Ok("User registered successfully.");
        }

        [HttpPost("refresh-token")]
        public async Task<IActionResult> RefreshToken([FromBody] RefreshTokenDto refreshTokenDto)
        {
            var refreshToken = await _refreshTokenService.GetRefreshToken(refreshTokenDto.RefreshToken);
            if (refreshToken == null || refreshToken.ExpiryDate < DateTime.UtcNow)
            {
                return Unauthorized("Invalid or expired refresh token.");
            }

            // Mark token as used
            await _refreshTokenService.MarkRefreshTokenAsUsed(refreshToken);

            // Generate new JWT token and refresh token
            var user = await _userManager.FindByIdAsync(refreshToken.UserId);
            var newJwtToken = _refreshTokenService.GenerateJwtToken(user.UserName, tenentId, _jwtSettings);
            var newRefreshToken = await _refreshTokenService.CreateRefreshToken(user.Id, tenentId, _jwtSettings);

            return Ok(new { token = newJwtToken, refreshToken = newRefreshToken });
        }

        [HttpPost("forgot-password")]
        public async Task<IActionResult> ForgotPassword([FromBody] ForgotPasswordDto forgotPasswordDto)
        {
            var user = await _userManager.FindByEmailAsync(forgotPasswordDto.Email);
            if (user == null) return NotFound("User not found.");

            var token = await _userManager.GeneratePasswordResetTokenAsync(user);

            // Send token via email (implementation omitted)
            // ...

            return Ok("Password reset link sent.");
        }
    }
}