using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using QYZH.InteractiveMagazine.IService;

using QYZH.InteractiveMagazine.Models.Common;
using QYZH.InteractiveMagazine.Models.Dto;
using QYZH.InteractiveMagazine.Models.WeChat;

namespace QYZH.InteractiveMagazine.WebApi.Controllers.WeChat;

/// <summary>
/// 微信小程序认证控制器
/// </summary>
public class WeChatAuthController : WeChatBaseController
{
    private readonly IWeChatAuthService _weChatAuthService;
    private readonly ILogger<WeChatAuthController> _logger;

    public WeChatAuthController(IWeChatAuthService weChatAuthService, ILogger<WeChatAuthController> logger)
    {
        _weChatAuthService = weChatAuthService;
        _logger = logger;
    }

    /// <summary>
    /// 微信小程序登录（首次创建用户，非首次直接登录）
    /// </summary>
    /// <param name="input">登录输入（含微信 code 和可选的手机号 code）</param>
    /// <returns>登录结果（含 Token 和用户列表）</returns>
    [AllowAnonymous]
    [HttpPost("login")]
    public async Task<BaseResponse<WeChatLoginOutput>> LoginAsync([FromBody] WeChatLoginInput input)
    {
        try
        {
            var result = await _weChatAuthService.LoginAsync(input);
            return Success(result);
        }
        catch (BusinessException ex)
        {
            _logger.LogWarning(ex, "微信登录业务异常: {Message}", ex.Message);
            return BaseResponse<WeChatLoginOutput>.Fail(ex.Message);
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "微信登录系统异常");
            return BaseResponse<WeChatLoginOutput>.Fail("微信登录失败，请稍后重试");
        }
    }

    /// <summary>
    /// 微信小程序快捷登录（通过 OpenId 直接登录，用户需已存在）
    /// </summary>
    /// <param name="input">快捷登录输入（含 OpenId）</param>
    /// <returns>登录结果（含 Token 和用户列表）</returns>
    [AllowAnonymous]
    [HttpPost("quickLogin")]
    public async Task<BaseResponse<WeChatLoginOutput>> QuickLoginAsync([FromBody] WeChatQuickLoginInput input)
    {
        try
        {
            var result = await _weChatAuthService.QuickLoginAsync(input);
            return Success(result);
        }
        catch (BusinessException ex)
        {
            _logger.LogWarning(ex, "微信快捷登录业务异常: {Message}", ex.Message);
            return BaseResponse<WeChatLoginOutput>.Fail(ex.Message);
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "微信快捷登录系统异常");
            return BaseResponse<WeChatLoginOutput>.Fail("快捷登录失败，请稍后重试");
        }
    }

    /// <summary>
    /// 切换用户（同一 OpenId 下切换身份）
    /// </summary>
    /// <param name="input">切换用户输入（含目标用户ID）</param>
    /// <returns>切换结果（含新 Token 和目标用户详情）</returns>
    [HttpPost("switchUser")]
    public async Task<BaseResponse<WeChatSwitchUserOutput>> SwitchUserAsync([FromBody] WeChatSwitchUserInput input)
    {
        try
        {
            var userId = GetCurrentUserId();
            if (userId == null)
            {
                return BaseResponse<WeChatSwitchUserOutput>.Fail(ResultCode.DENY, "未获取到用户信息");
            }

            var result = await _weChatAuthService.SwitchUserAsync(userId.Value, input);
            return Success(result);
        }
        catch (BusinessException ex)
        {
            _logger.LogWarning(ex, "切换用户业务异常: {Message}", ex.Message);
            return BaseResponse<WeChatSwitchUserOutput>.Fail(ex.Message);
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "切换用户系统异常");
            return BaseResponse<WeChatSwitchUserOutput>.Fail("切换用户失败，请稍后重试");
        }
    }
}