package web

import (
	"net/http"
	"videoweb/app/service/authser"
	"videoweb/app/service/playletser"
	"videoweb/pub/common/log"
	"videoweb/pub/common/useragent"

	"github.com/gin-gonic/gin"
)

type chapterUnlockBody struct {
	ChapterID int64 `json:"chapterId"`
	PlayletID int64 `json:"playletId"`
}

// ChapterUnlock 代理上游 POST /api/app/playlet/chapter/unlock。
func ChapterUnlock(c *gin.Context) {
	if useragent.TokenFromRequest(c.Request) == "" {
		c.JSON(http.StatusOK, gin.H{
			"code": 401,
			"msg":  "unauthorized",
			"tip":  "请先登录后再解锁",
			"data": nil,
		})
		return
	}

	var body chapterUnlockBody
	if err := c.ShouldBindJSON(&body); err != nil {
		c.JSON(http.StatusBadRequest, gin.H{
			"code": 1001,
			"msg":  "参数错误",
			"tip":  "参数错误",
			"data": nil,
		})
		return
	}
	if body.ChapterID <= 0 || body.PlayletID <= 0 {
		c.JSON(http.StatusOK, gin.H{
			"code": 1001,
			"msg":  "参数错误",
			"tip":  "缺少 chapterId 或 playletId",
			"data": nil,
		})
		return
	}

	env, err := playletser.ChapterUnlock(c, playletser.PlayletChapterUnlockReq{
		ChapterID: body.ChapterID,
		PlayletID: body.PlayletID,
	})
	if err != nil {
		log.Error("chapter unlock upstream failed", log.E(err))
		c.JSON(http.StatusOK, gin.H{
			"code": 500,
			"msg":  "chapter unlock failed",
			"tip":  "解锁失败，请稍后重试",
			"data": nil,
		})
		return
	}
	if env != nil && TryJSONSessionRecover(c, env.Code) {
		env, err = playletser.ChapterUnlock(c, playletser.PlayletChapterUnlockReq{
			ChapterID: body.ChapterID,
			PlayletID: body.PlayletID,
		})
		if err != nil {
			log.Error("chapter unlock retry failed", log.E(err))
			c.JSON(http.StatusOK, gin.H{
				"code": 500,
				"msg":  "chapter unlock failed",
				"tip":  "解锁失败，请稍后重试",
				"data": nil,
			})
			return
		}
	}
	if env == nil || env.Code != 200 {
		tip := "解锁失败"
		msg := ""
		code := 500
		if env != nil {
			code = env.Code
			msg = env.Msg
			tip = firstNonEmpty(env.Tip, env.Msg, tip)
		}
		c.JSON(http.StatusOK, gin.H{
			"code": code,
			"msg":  msg,
			"tip":  tip,
			"data": nil,
		})
		return
	}

	authser.SetRechargeCookie(c, env.Data.Balance)

	c.JSON(http.StatusOK, gin.H{
		"code": 200,
		"msg":  firstNonEmpty(env.Msg, "success"),
		"tip":  firstNonEmpty(env.Tip, "解锁成功"),
		"data": env.Data,
	})
}