package radio

import (
	"sundynix-go/global"
	"sundynix-go/model/commom/response"
	"sundynix-go/model/radio/request"

	"github.com/gin-gonic/gin"
	"go.uber.org/zap"
)

type AnalyticsApi struct{}

// GetListeningTrend 获取收听趋势
// @Tags 数据分析
// @Summary 获取收听趋势（折线图）
// @Produce application/json
// @Param startDate query string false "开始日期 2026-01-01"
// @Param endDate   query string false "结束日期 2026-03-10"
// @Param channelId query string false "频道ID（可选筛选）"
// @Success 200 {object} response.Response
// @Router /radio/analytics/listening-trend [get]
func (a *AnalyticsApi) GetListeningTrend(c *gin.Context) {
	var req request.TrendQuery
	if err := c.ShouldBindQuery(&req); err != nil {
		response.FailWithMsg("参数错误: "+err.Error(), c)
		return
	}
	data, err := analyticsService.GetListeningTrend(req.StartDate, req.EndDate, req.ChannelId)
	if err != nil {
		global.Logger.Error("获取收听趋势失败!", zap.Error(err))
		response.FailWithMsg(err.Error(), c)
		return
	}
	response.OkWithData(data, c)
}

// GetSubscriptionTrend 获取订阅趋势
// @Tags 数据分析
// @Summary 获取订阅趋势（折线图）
// @Produce application/json
// @Param startDate query string false "开始日期"
// @Param endDate   query string false "结束日期"
// @Param channelId query string false "频道ID"
// @Success 200 {object} response.Response
// @Router /radio/analytics/subscription-trend [get]
func (a *AnalyticsApi) GetSubscriptionTrend(c *gin.Context) {
	var req request.TrendQuery
	if err := c.ShouldBindQuery(&req); err != nil {
		response.FailWithMsg("参数错误: "+err.Error(), c)
		return
	}
	data, err := analyticsService.GetSubscriptionTrend(req.StartDate, req.EndDate, req.ChannelId)
	if err != nil {
		global.Logger.Error("获取订阅趋势失败!", zap.Error(err))
		response.FailWithMsg(err.Error(), c)
		return
	}
	response.OkWithData(data, c)
}

// GetRenewalTrend 获取续费趋势
// @Tags 数据分析
// @Summary 获取续费趋势（折线图）
// @Produce application/json
// @Param startDate query string false "开始日期"
// @Param endDate   query string false "结束日期"
// @Param channelId query string false "频道ID"
// @Success 200 {object} response.Response
// @Router /radio/analytics/renewal-trend [get]
func (a *AnalyticsApi) GetRenewalTrend(c *gin.Context) {
	var req request.TrendQuery
	if err := c.ShouldBindQuery(&req); err != nil {
		response.FailWithMsg("参数错误: "+err.Error(), c)
		return
	}
	data, err := analyticsService.GetRenewalTrend(req.StartDate, req.EndDate, req.ChannelId)
	if err != nil {
		global.Logger.Error("获取续费趋势失败!", zap.Error(err))
		response.FailWithMsg(err.Error(), c)
		return
	}
	response.OkWithData(data, c)
}

// GetSubscriberStats 获取订阅用户统计
// @Tags 数据分析
// @Summary 获取订阅用户统计（折线图 + 概览）
// @Produce application/json
// @Param startDate query string false "开始日期"
// @Param endDate   query string false "结束日期"
// @Param channelId query string false "频道ID"
// @Success 200 {object} response.Response
// @Router /radio/analytics/subscriber-stats [get]
func (a *AnalyticsApi) GetSubscriberStats(c *gin.Context) {
	var req request.TrendQuery
	if err := c.ShouldBindQuery(&req); err != nil {
		response.FailWithMsg("参数错误: "+err.Error(), c)
		return
	}
	data, err := analyticsService.GetSubscriberStats(req.StartDate, req.EndDate, req.ChannelId)
	if err != nil {
		global.Logger.Error("获取订阅用户统计失败!", zap.Error(err))
		response.FailWithMsg(err.Error(), c)
		return
	}
	response.OkWithData(data, c)
}

// GetContentQuality 获取内容质量分析
// @Tags 数据分析
// @Summary 获取内容质量分析（完播率等）
// @Param channelId query string false "频道ID"
// @Success 200 {object} response.Response
// @Router /radio/analytics/content-quality [get]
func (a *AnalyticsApi) GetContentQuality(c *gin.Context) {
	channelId := c.Query("channelId")
	data, err := analyticsService.GetContentQuality(channelId)
	if err != nil {
		global.Logger.Error("获取内容质量分析失败!", zap.Error(err))
		response.FailWithMsg(err.Error(), c)
		return
	}
	response.OkWithData(data, c)
}

// GetUserStickiness 获取用户留存分析
// @Tags 数据分析
// @Summary 获取用户留存分析 (Cohort)
// @Param startDate query string false "开始日期"
// @Param endDate   query string false "结束日期"
// @Success 200 {object} response.Response
// @Router /radio/analytics/user-stickiness [get]
func (a *AnalyticsApi) GetUserStickiness(c *gin.Context) {
	var req request.TrendQuery
	c.ShouldBindQuery(&req)
	data, err := analyticsService.GetUserStickiness(req.StartDate, req.EndDate)
	if err != nil {
		global.Logger.Error("获取用户留存分析失败!", zap.Error(err))
		response.FailWithMsg(err.Error(), c)
		return
	}
	response.OkWithData(data, c)
}

// GetBusinessConversion 获取商业转化分析
// @Tags 数据分析
// @Summary 获取商业转化分析 (Funnel & LTV)
// @Param startDate query string false "开始日期"
// @Param endDate   query string false "结束日期"
// @Success 200 {object} response.Response
// @Router /radio/analytics/business-conversion [get]
func (a *AnalyticsApi) GetBusinessConversion(c *gin.Context) {
	var req request.TrendQuery
	c.ShouldBindQuery(&req)
	data, err := analyticsService.GetBusinessConversion(req.StartDate, req.EndDate)
	if err != nil {
		global.Logger.Error("获取商业转化分析失败!", zap.Error(err))
		response.FailWithMsg(err.Error(), c)
		return
	}
	response.OkWithData(data, c)
}

// GetPreferenceAnalysis 获取品类偏好分析
// @Tags 数据分析
// @Summary 获取品类偏好分析
// @Success 200 {object} response.Response
// @Router /radio/analytics/preference [get]
func (a *AnalyticsApi) GetPreferenceAnalysis(c *gin.Context) {
	data, err := analyticsService.GetPreferenceAnalysis()
	if err != nil {
		global.Logger.Error("获取品类偏好分析失败!", zap.Error(err))
		response.FailWithMsg(err.Error(), c)
		return
	}
	response.OkWithData(data, c)
}

// GetVipStats 获取VIP统计数据
// @Tags 数据分析
// @Summary 获取VIP统计数据
// @Param startDate query string false "开始日期"
// @Param endDate   query string false "结束日期"
// @Success 200 {object} response.Response
// @Router /radio/analytics/vip-stats [get]
func (a *AnalyticsApi) GetVipStats(c *gin.Context) {
	var req request.TrendQuery
	c.ShouldBindQuery(&req)
	data, err := analyticsService.GetVipStats(req.StartDate, req.EndDate)
	if err != nil {
		global.Logger.Error("获取VIP统计数据失败!", zap.Error(err))
		response.FailWithMsg(err.Error(), c)
		return
	}
	response.OkWithData(data, c)
}