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

namespace GreenHome.Api.Controllers;

[ApiController]
[Route("api/[controller]")]
public class AuthController : ControllerBase
{
    private readonly IAuthService authService;

    public AuthController(IAuthService authService)
    {
        this.authService = authService;
    }

    [HttpPost("send-code")]
    public async Task<ActionResult<SendCodeResponse>> SendCode(
        [FromBody] SendCodeRequest request,
        CancellationToken cancellationToken)
    {
        var result = await authService.SendVerificationCodeAsync(request, cancellationToken);
        
        if (!result.Success)
        {
            return BadRequest(result);
        }

        return Ok(result);
    }

    [HttpPost("verify-code")]
    public async Task<ActionResult<VerifyCodeResponse>> VerifyCode(
        [FromBody] VerifyCodeRequest request,
        CancellationToken cancellationToken)
    {
        var result = await authService.VerifyCodeAsync(request, cancellationToken);
        
        if (!result.Success)
        {
            return BadRequest(result);
        }

        return Ok(result);
    }

    [HttpGet("can-resend")]
    public async Task<ActionResult<bool>> CanResend(
        [FromQuery] string mobile,
        CancellationToken cancellationToken)
    {
        var canResend = await authService.CanResendCodeAsync(mobile, cancellationToken);
        return Ok(new { canResend });
    }

    [HttpGet("me")]
    public async Task<ActionResult<UserDto>> Me(CancellationToken cancellationToken)
    {
        var authHeader = Request.Headers.Authorization.ToString();
        var token = authHeader.StartsWith("Bearer ", StringComparison.OrdinalIgnoreCase)
            ? authHeader.Substring("Bearer ".Length).Trim()
            : null;

        if (string.IsNullOrEmpty(token))
            return Unauthorized();

        var user = await authService.GetUserByTokenAsync(token, cancellationToken);
        if (user == null)
            return Unauthorized();

        return Ok(user);
    }
}