package learning

import (
	"strconv"

	"github.com/flipped-aurora/gin-vue-admin/server/global"
	"github.com/flipped-aurora/gin-vue-admin/server/model/common/response"
	"github.com/flipped-aurora/gin-vue-admin/server/model/learning"
	learningReq "github.com/flipped-aurora/gin-vue-admin/server/model/learning/request"
	"github.com/flipped-aurora/gin-vue-admin/server/service"
	"github.com/flipped-aurora/gin-vue-admin/server/utils"
	"github.com/gin-gonic/gin"
	"go.uber.org/zap"
)

type UserLearningApi struct{}

// CreateUserLearning 创建用户学习记录
// @Tags UserLearning
// @Summary 创建用户学习记录
// @Security ApiKeyAuth
// @accept application/json
// @Produce application/json
// @Param data body learningReq.UserLearningCreate true "创建用户学习记录"
// @Success 200 {object} response.Response{msg=string} "创建成功"
// @Router /userLearning/createUserLearning [post]
func (userLearningApi *UserLearningApi) CreateUserLearning(c *gin.Context) {
	var req learningReq.UserLearningCreate
	err := c.ShouldBindJSON(&req)
	if err != nil {
		response.FailWithMessage(err.Error(), c)
		return
	}

	userLearning := learning.UserLearning{
		UserId:           req.UserId,
		CourseId:         req.CourseId,
		ChapterId:        req.ChapterId,
		KnowledgePointId: req.KnowledgePointId,
		Progress:         req.Progress,
		StudyTime:        req.StudyTime,
		LastStudyAt:      req.LastStudyAt,
		Status:           req.Status,
		Score:            req.Score,
		CompletedAt:      req.CompletedAt,
	}

	err = service.ServiceGroupApp.LearningServiceGroup.UserLearningService.CreateUserLearning(c.Request.Context(), &userLearning)
	if err != nil {
		global.GVA_LOG.Error("创建失败!", zap.Error(err))
		response.FailWithMessage("创建失败", c)
		return
	}
	response.OkWithMessage("创建成功", c)
}

// DeleteUserLearning 删除用户学习记录
// @Tags UserLearning
// @Summary 删除用户学习记录
// @Security ApiKeyAuth
// @accept application/json
// @Produce application/json
// @Param data body request.IdsReq true "批量删除用户学习记录"
// @Success 200 {object} response.Response{msg=string} "删除成功"
// @Router /userLearning/deleteUserLearning [delete]
func (userLearningApi *UserLearningApi) DeleteUserLearning(c *gin.Context) {
	ID := c.Query("ID")
	err := service.ServiceGroupApp.LearningServiceGroup.UserLearningService.DeleteUserLearning(c.Request.Context(), ID)
	if err != nil {
		global.GVA_LOG.Error("删除失败!", zap.Error(err))
		response.FailWithMessage("删除失败", c)
		return
	}
	response.OkWithMessage("删除成功", c)
}

// DeleteUserLearningByIds 批量删除用户学习记录
// @Tags UserLearning
// @Summary 批量删除用户学习记录
// @Security ApiKeyAuth
// @accept application/json
// @Produce application/json
// @Success 200 {object} response.Response{msg=string} "批量删除成功"
// @Router /userLearning/deleteUserLearningByIds [delete]
func (userLearningApi *UserLearningApi) DeleteUserLearningByIds(c *gin.Context) {
	IDs := c.QueryArray("IDs[]")
	err := service.ServiceGroupApp.LearningServiceGroup.UserLearningService.DeleteUserLearningByIds(c.Request.Context(), IDs)
	if err != nil {
		global.GVA_LOG.Error("批量删除失败!", zap.Error(err))
		response.FailWithMessage("批量删除失败", c)
		return
	}
	response.OkWithMessage("批量删除成功", c)
}

// UpdateUserLearning 更新用户学习记录
// @Tags UserLearning
// @Summary 更新用户学习记录
// @Security ApiKeyAuth
// @accept application/json
// @Produce application/json
// @Param data body learningReq.UserLearningUpdate true "更新用户学习记录"
// @Success 200 {object} response.Response{msg=string} "更新成功"
// @Router /userLearning/updateUserLearning [put]
func (userLearningApi *UserLearningApi) UpdateUserLearning(c *gin.Context) {
	var req learningReq.UserLearningUpdate
	err := c.ShouldBindJSON(&req)
	if err != nil {
		response.FailWithMessage(err.Error(), c)
		return
	}

	userLearning := learning.UserLearning{
		GVA_MODEL:        global.GVA_MODEL{ID: req.ID},
		UserId:           req.UserId,
		CourseId:         req.CourseId,
		ChapterId:        req.ChapterId,
		KnowledgePointId: req.KnowledgePointId,
		Progress:         req.Progress,
		StudyTime:        req.StudyTime,
		LastStudyAt:      req.LastStudyAt,
		Status:           req.Status,
		Score:            req.Score,
		CompletedAt:      req.CompletedAt,
	}

	err = service.ServiceGroupApp.LearningServiceGroup.UserLearningService.UpdateUserLearning(c.Request.Context(), userLearning)
	if err != nil {
		global.GVA_LOG.Error("更新失败!", zap.Error(err))
		response.FailWithMessage("更新失败", c)
		return
	}
	response.OkWithMessage("更新成功", c)
}

// FindUserLearning 用id查询用户学习记录
// @Tags UserLearning
// @Summary 用id查询用户学习记录
// @Security ApiKeyAuth
// @accept application/json
// @Produce application/json
// @Param data query learning.UserLearning true "用id查询用户学习记录"
// @Success 200 {object} response.Response{data=learning.UserLearning,msg=string} "查询成功"
// @Router /userLearning/findUserLearning [get]
func (userLearningApi *UserLearningApi) FindUserLearning(c *gin.Context) {
	ID := c.Query("ID")
	reuserLearning, err := service.ServiceGroupApp.LearningServiceGroup.UserLearningService.GetUserLearning(c.Request.Context(), ID)
	if err != nil {
		global.GVA_LOG.Error("查询失败!", zap.Error(err))
		response.FailWithMessage("查询失败", c)
		return
	}
	response.OkWithData(reuserLearning, c)
}

// GetUserLearningList 分页获取用户学习记录列表
// @Tags UserLearning
// @Summary 分页获取用户学习记录列表
// @Security ApiKeyAuth
// @accept application/json
// @Produce application/json
// @Param data query learningReq.UserLearningSearch true "分页获取用户学习记录列表"
// @Success 200 {object} response.Response{data=response.PageResult,msg=string} "获取成功"
// @Router /userLearning/getUserLearningList [get]
func (userLearningApi *UserLearningApi) GetUserLearningList(c *gin.Context) {
	var pageInfo learningReq.UserLearningSearch
	err := c.ShouldBindQuery(&pageInfo)
	if err != nil {
		response.FailWithMessage(err.Error(), c)
		return
	}
	list, total, err := service.ServiceGroupApp.LearningServiceGroup.UserLearningService.GetUserLearningInfoList(c.Request.Context(), pageInfo)
	if err != nil {
		global.GVA_LOG.Error("获取失败!", zap.Error(err))
		response.FailWithMessage("获取失败", c)
		return
	}
	response.OkWithDetailed(response.PageResult{
		List:     list,
		Total:    total,
		Page:     pageInfo.Page,
		PageSize: pageInfo.PageSize,
	}, "获取成功", c)
}

// GetUserProgress 获取用户学习进度
// @Tags UserLearning
// @Summary 获取用户学习进度
// @Security ApiKeyAuth
// @accept application/json
// @Produce application/json
// @Param userId query uint true "用户ID"
// @Param courseId query uint false "课程ID"
// @Success 200 {object} response.Response{data=[]learning.UserLearning,msg=string} "获取成功"
// @Router /userLearning/getUserProgress [get]
func (userLearningApi *UserLearningApi) GetUserProgress(c *gin.Context) {
	userIdStr := c.Query("userId")
	courseIdStr := c.Query("courseId")

	userId, err := strconv.ParseUint(userIdStr, 10, 32)
	if err != nil {
		response.FailWithMessage("用户ID格式错误", c)
		return
	}

	var courseId uint = 0
	if courseIdStr != "" {
		courseIdUint, err := strconv.ParseUint(courseIdStr, 10, 32)
		if err != nil {
			response.FailWithMessage("课程ID格式错误", c)
			return
		}
		courseId = uint(courseIdUint)
	}

	// 如果没有提供userId，尝试从JWT中获取当前用户ID
	if userId == 0 {
		userId = uint64(utils.GetUserID(c))
	}

	list, err := service.ServiceGroupApp.LearningServiceGroup.UserLearningService.GetUserProgress(c.Request.Context(), uint(userId), courseId)
	if err != nil {
		global.GVA_LOG.Error("获取失败!", zap.Error(err))
		response.FailWithMessage("获取失败", c)
		return
	}
	response.OkWithData(list, c)
}

// GetLearningStatistics 获取用户学习统计
// @Tags UserLearning
// @Summary 获取用户学习统计
// @Security ApiKeyAuth
// @accept application/json
// @Produce application/json
// @Param userId query uint false "用户ID"
// @Success 200 {object} response.Response{data=learningReq.LearningStatistics,msg=string} "获取成功"
// @Router /userLearning/getLearningStatistics [get]
func (userLearningApi *UserLearningApi) GetLearningStatistics(c *gin.Context) {
	userIdStr := c.Query("userId")

	var userId uint
	if userIdStr != "" {
		userIdUint, err := strconv.ParseUint(userIdStr, 10, 32)
		if err != nil {
			response.FailWithMessage("用户ID格式错误", c)
			return
		}
		userId = uint(userIdUint)
	} else {
		// 如果没有提供userId，从JWT中获取当前用户ID
		userId = uint(utils.GetUserID(c))
	}

	stats, err := service.ServiceGroupApp.LearningServiceGroup.UserLearningService.GetLearningStatistics(c.Request.Context(), userId)
	if err != nil {
		global.GVA_LOG.Error("获取失败!", zap.Error(err))
		response.FailWithMessage("获取失败", c)
		return
	}
	response.OkWithData(stats, c)
}