package radio

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

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

type SubscriptionApi struct{}

// GetSubscriptionList 获取订阅列表
// @Tags 订阅管理
// @Summary 获取我的订阅列表
// @Accept application/json
// @Produce application/json
// @Param data body request.GetSubscriptionList true "分页查询"
// @Success 200 {object} response.Response
// @Router /radio/subscription/list [post]
func (a *SubscriptionApi) GetSubscriptionList(c *gin.Context) {
	userId := auth.GetUserId(c)
	var req common.PageInfo
	err := c.ShouldBindJSON(&req)
	if err != nil {
		response.FailWithMsg("参数错误: "+err.Error(), c)
		return
	}

	list, total, err := subscriptionService.GetUserSubscription(userId, req)
	if err != nil {
		global.Logger.Error("获取订阅列表失败!", zap.Error(err))
		response.FailWithMsg(err.Error(), c)
		return
	}

	response.OkWithData(response.PageResult{
		List:  list,
		Total: total,
		Page:  req.Current,
	}, c)
}

// CanSubscribe 检查是否可以订阅
// @Tags 订阅管理
// @Summary 检查是否可以订阅
// @Produce application/json
// @Param data body request.SubscribeChannel true "频道ID"
// @Success 200 {object} response.Response
// @Router /radio/subscription/can-subscribe [post]
func (a *SubscriptionApi) CanSubscribe(c *gin.Context) {
	userId := auth.GetUserId(c)
	var req request.SubscribeChannel
	err := c.ShouldBindJSON(&req)
	if err != nil {
		response.FailWithMsg("参数错误: "+err.Error(), c)
		return
	}

	can, _, err := subscriptionService.CanSubscribe(userId, req.ChannelId)
	if err != nil {
		global.Logger.Error("检查订阅权限失败!", zap.Error(err))
		response.FailWithMsg(err.Error(), c)
		return
	}

	response.OkWithData(can, c)
}

// Subscribe 订阅频道
// @Tags 订阅管理
// @Summary 订阅频道
// @Produce application/json
// @Param data body request.SubscribeChannel true "频道ID"
// @Success 200 {object} response.Response
// @Router /radio/subscription/subscribe [post]
func (a *SubscriptionApi) Subscribe(c *gin.Context) {
	userId := auth.GetUserId(c)
	var req request.SubscribeChannel
	err := c.ShouldBindJSON(&req)
	if err != nil {
		response.FailWithMsg("参数错误: "+err.Error(), c)
		return
	}

	can, reason, err := subscriptionService.CanSubscribe(userId, req.ChannelId)
	if err != nil {
		global.Logger.Error("订阅失败!", zap.Error(err))
		response.FailWithMsg(err.Error(), c)
		return
	}

	if !can {
		response.FailWithMsg(reason, c)
		return
	}

	// 订阅类型 1:免费
	if err := subscriptionService.Subscribe(userId, req.ChannelId, 1); err != nil {
		global.Logger.Error("订阅失败!", zap.Error(err))
		response.FailWithMsg(err.Error(), c)
		return
	}

	response.OkWithMsg("订阅成功", c)
}

// Unsubscribe 退订频道
// @Tags 订阅管理
// @Summary 退订频道
// @Produce application/json
// @Param data body request.UnsubscribeChannel true "频道ID"
// @Success 200 {object} response.Response
// @Router /radio/subscription/unsubscribe [post]
func (a *SubscriptionApi) Unsubscribe(c *gin.Context) {
	userId := auth.GetUserId(c)
	var req request.UnsubscribeChannel
	err := c.ShouldBindJSON(&req)
	if err != nil {
		response.FailWithMsg("参数错误: "+err.Error(), c)
		return
	}

	if err := subscriptionService.Unsubscribe(userId, req.ChannelId); err != nil {
		global.Logger.Error("退订失败!", zap.Error(err))
		response.FailWithMsg(err.Error(), c)
		return
	}

	response.OkWithMsg("退订成功", c)
}