using Microsoft.AspNetCore.Mvc;
using QYZH.InteractiveMagazine.IService;
using QYZH.InteractiveMagazine.Models.Common;
using QYZH.InteractiveMagazine.Models.Dto;
using QYZH.InteractiveMagazine.Models.Dto.UserAnswerTaskService;
using System.ComponentModel.DataAnnotations;

namespace QYZH.InteractiveMagazine.WeChatApi.Controllers;

/// <summary>
/// 小程序首页控制器
/// </summary>
public class UserAnswerTaskController : WeChatBaseController
{
    private readonly IUserAnswerTaskService _userAnswerTaskService;
    private readonly ILogger<UserAnswerTaskController> _logger;

    /// <summary>
    /// 构造函数
    /// </summary>
    public UserAnswerTaskController(
        IUserAnswerTaskService userAnswerTaskService,
        ILogger<UserAnswerTaskController> logger)
    {
        _userAnswerTaskService = userAnswerTaskService;
        _logger = logger;
    }

    private const long ConstUserId = 821752253853766;

    /// <summary>
    /// 获取当前用户的期刊学习进度列表
    /// </summary>
    /// <returns>按期刊分组的学习进度数据</returns>
    [HttpGet("progress")]
    public async Task<BaseResponse<List<JournalProgressOutput>>> GetProgressAsync()
    {
        try
        {
            var userId = GetCurrentUserId();
            if (userId == 0)
            {
                return BaseResponse<List<JournalProgressOutput>>.Fail(ResultCode.DENY, "未获取到用户信息");
            }

            var result = await _userAnswerTaskService.GetJournalProgressAsync(userId);
            return Success(result);
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "获取学习进度失败，UserId: {UserId}", GetCurrentUserId());
            return BaseResponse<List<JournalProgressOutput>>.Fail("获取学习进度失败，请稍后重试");
        }
    }


    /// <summary>
    /// 获取目录列表（按一级目录分组，二级目录含完成状态）
    /// </summary>
    /// <param name="journalId">期刊Id</param>
    /// <returns>按一级目录分组的目录列表</returns>
    [HttpGet("catalog-list/{journalId:long}")]
    public async Task<BaseResponse<List<CatalogListOutput>>> GetCatalogListAsync([Required(ErrorMessage = "参数错误")] long journalId)
    {
        try
        {
            var userId = GetCurrentUserId();
            if (userId == 0)
            {
                return BaseResponse<List<CatalogListOutput>>.Fail(ResultCode.DENY, "未获取到用户信息");
            }

            if (journalId <= 0)
            {
                return BaseResponse<List<CatalogListOutput>>.Fail(ResultCode.PARAM_ERROR, "期刊Id不能为空");
            }

            var result = await _userAnswerTaskService.GetCatalogListAsync(journalId, userId);
            return Success(result);
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "获取目录列表失败，JournalId: {JournalId}, UserId: {UserId}", journalId, GetCurrentUserId());
            return BaseResponse<List<CatalogListOutput>>.Fail("获取目录列表失败，请稍后重试");
        }
    }

    /// <summary>
    /// 获取一级目录概览（含二级目录详情、页码范围、任务完成状态）
    /// </summary>
    /// <param name="catalogId">一级目录Id</param>
    /// <returns>一级目录概览数据</returns>
    [HttpGet("catalog-overview/{catalogId:long}")]
    public async Task<BaseResponse<CatalogOverviewOutput>> GetCatalogOverviewAsync([Required(ErrorMessage = "参数错误")] long catalogId)
    {
        try
        {
            var userId = GetCurrentUserId();
            if (userId == 0)
            {
                return BaseResponse<CatalogOverviewOutput>.Fail(ResultCode.DENY, "未获取到用户信息");
            }

            if (catalogId <= 0)
            {
                return BaseResponse<CatalogOverviewOutput>.Fail(ResultCode.PARAM_ERROR, "目录Id不能为空");
            }

            var result = await _userAnswerTaskService.GetCatalogOverviewAsync(catalogId, userId);
            if (result == null)
            {
                return BaseResponse<CatalogOverviewOutput>.Fail("未找到该目录");
            }

            return Success(result);
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "获取目录概览失败，CatalogId: {CatalogId}, UserId: {UserId}", catalogId, GetCurrentUserId());
            return BaseResponse<CatalogOverviewOutput>.Fail("获取目录概览失败，请稍后重试");
        }
    }

    /// <summary>
    /// 获取用户答题任务列表
    /// </summary>
    /// <param name="catalogId">二级目录Id</param>
    /// <returns>答题任务列表</returns>
    [HttpGet("task-list/{catalogId:long}")]
    public async Task<BaseResponse<UserAnswerTaskListOutput>> GetTaskListAsync([Required(ErrorMessage = "参数错误")] long catalogId)
    {
        try
        {
            var userId = GetCurrentUserId();
            if (userId == 0)
            {
                return BaseResponse<UserAnswerTaskListOutput>.Fail(ResultCode.DENY, "未获取到用户信息");
            }

            if (catalogId <= 0)
            {
                return BaseResponse<UserAnswerTaskListOutput>.Fail(ResultCode.PARAM_ERROR, "目录Id不能为空");
            }

            var result = await _userAnswerTaskService.GetUserAnswerTaskListAsync(catalogId, userId);
            if (result == null)
            {
                return BaseResponse<UserAnswerTaskListOutput>.Fail("未找到该目录");
            }

            return Success(result);
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "获取任务列表失败，CatalogId: {CatalogId}, UserId: {UserId}", catalogId, GetCurrentUserId());
            return BaseResponse<UserAnswerTaskListOutput>.Fail("获取任务列表失败，请稍后重试");
        }
    }

    /// <summary>
    /// 获取跨页题目详情
    /// </summary>
    /// <param name="groupId">任务分组ID</param>
    /// <returns>跨页题目详情</returns>
    [HttpGet("cross-page-task/{groupId:long}")]
    public async Task<BaseResponse<CrossPageTaskOutput>> GetCrossPageTaskAsync([Required(ErrorMessage ="参数错误")] long groupId)
    {
        try
        {
            var userId = GetCurrentUserId();
            if (userId == 0)
            {
                return BaseResponse<CrossPageTaskOutput>.Fail(ResultCode.DENY, "未获取到用户信息");
            }

            if (groupId <= 0)
            {
                return BaseResponse<CrossPageTaskOutput>.Fail(ResultCode.PARAM_ERROR, "任务Id不能为空");
            }

            var result = await _userAnswerTaskService.GetCrossPageTaskAsync(groupId, userId);
            if (result == null)
            {
                return BaseResponse<CrossPageTaskOutput>.Fail("未找到该任务");
            }

            return Success(result);
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "获取跨页题目失败，JournalPageTaskGroupId: {groupId}, UserId: {UserId}", groupId, GetCurrentUserId());
            return BaseResponse<CrossPageTaskOutput>.Fail("获取跨页题目失败，请稍后重试");
        }
    }

    /// <summary>
    /// 领取任务积分
    /// </summary>
    /// <param name="groupId">任务分组Id（GroupId）</param>
    /// <returns>领取结果</returns>
    [HttpPost("claim-points/{groupId:long}")]
    public async Task<BaseResponse<ClaimTaskPointsOutput>> ClaimTaskPointsAsync([Required(ErrorMessage = "参数错误")] long groupId)
    {
        try
        {
            var userId = GetCurrentUserId();
            if (userId == 0)
            {
                return BaseResponse<ClaimTaskPointsOutput>.Fail(ResultCode.DENY, "未获取到用户信息");
            }

            if (groupId <= 0)
            {
                return BaseResponse<ClaimTaskPointsOutput>.Fail(ResultCode.PARAM_ERROR, "任务分组Id不能为空");
            }

            var result = await _userAnswerTaskService.ClaimTaskPointsAsync(groupId, userId);
            return Success(result);
        }
        catch (BusinessException ex)
        {
            _logger.LogWarning(ex, "领取任务积分业务异常，groupId: {groupId}, UserId: {UserId}", groupId, GetCurrentUserId());
            return BaseResponse<ClaimTaskPointsOutput>.Fail(ex.Message);
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "领取任务积分失败，groupId: {groupId}, UserId: {UserId}", groupId, GetCurrentUserId());
            return BaseResponse<ClaimTaskPointsOutput>.Fail("领取任务积分失败，请稍后重试");
        }
    }

    /// <summary>
    /// 批量领取任务积分（一键领取）
    /// </summary>
    /// <param name="input">批量领取参数</param>
    /// <returns>批量领取结果</returns>
    [HttpPost("batch-claim-points")]
    public async Task<BaseResponse<BatchClaimPointsOutput>> BatchClaimPointsAsync([FromBody] BatchClaimPointsInput input)
    {
        try
        {

            var userId = GetCurrentUserId();
            if (userId == 0)
            {
                return BaseResponse<BatchClaimPointsOutput>.Fail(ResultCode.DENY, "未获取到用户信息");
            }

            if (input == null || input.GroupIds == null || input.GroupIds.Count == 0)
            {
                return BaseResponse<BatchClaimPointsOutput>.Fail(ResultCode.PARAM_ERROR, "任务分组Id列表不能为空");
            }

            var result = await _userAnswerTaskService.BatchClaimPointsAsync(input, userId);
            return Success(result);
        }
        catch (BusinessException ex)
        {
            _logger.LogWarning(ex, "批量领取积分业务异常，UserId: {UserId}", GetCurrentUserId());
            return BaseResponse<BatchClaimPointsOutput>.Fail(ex.Message);
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "批量领取积分失败，UserId: {UserId}", GetCurrentUserId());
            return BaseResponse<BatchClaimPointsOutput>.Fail("批量领取积分失败，请稍后重试");
        }
    }
}