package web

import (
	"fmt"
	"strings"
	"videoweb/app/service/authser"
	"videoweb/app/service/playletser"
	"videoweb/pub/common/log"
	"videoweb/pub/common/useragent"

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

type purchasedWork struct {
	Title, Image, Info, Date, Progress, URL string
}

// PurchasedSeries 已购剧集：GET /api/app/playlet/bought/list。
// 文档：http://172.104.181.99:25319/swagger/index.html#/app短剧相关接口/get_api_app_playlet_bought_list
func PurchasedSeries(c *gin.Context) {
	page, validPage := accountPageNum(c)
	if !validPage {
		NotFound(c)
		return
	}

	data := gin.H{"title": "已购剧集 - 黄果短剧", "navActive": "purchased", "accountTab": "purchased"}
	responses := gin.H{}
	loadAccountSummary(c, data, responses)

	size := 20
	if useragent.TokenFromRequest(c.Request) == "" {
		responses["playlet/bought/list"] = gin.H{"error": "暂无登录会话"}
		data["purchasedResponse"] = responses["playlet/bought/list"]
		HTMLOK(c, "purchased.html", data)
		return
	}

	list, code, err := playletser.FetchBoughtList(c, page, size)
	if retry, _ := authser.OnSessionExpired(c, code); retry {
		list, _, err = playletser.FetchBoughtList(c, page, size)
	}
	if err == nil && list != nil {
		responses["playlet/bought/list"] = gin.H{"code": 200, "data": list}
		data["paging"] = makeAccountPage("/purchased", page, size, list.TotalCount)
		works := make([]purchasedWork, 0, len(list.List))
		for _, item := range list.List {
			title := strings.TrimSpace(item.PlayName)
			if title == "" {
				title = strings.TrimSpace(item.Title)
			}
			if title == "" {
				continue
			}
			info := fmt.Sprintf("已购 %d 集", item.BoughtChapterCount)
			if item.TotalEpisode > 0 {
				info += fmt.Sprintf(" / 共 %d 集", item.TotalEpisode)
			}
			info += fmt.Sprintf(" · %d 金币", item.CostCoins)
			progress := 0
			if item.TotalEpisode > 0 {
				progress = item.WatchedCount * 100 / item.TotalEpisode
			}
			if progress < 0 {
				progress = 0
			}
			if progress > 100 {
				progress = 100
			}
			works = append(works, purchasedWork{
				Title: title, Image: profileCover(item.Cover), Info: info,
				Date: playletser.FormatHistoryAt(item.BoughtAt), Progress: fmt.Sprintf("%d%%", progress),
				URL: playletser.ChapterPlayPath(item.Slug, item.ID, item.LastChapterID),
			})
		}
		data["purchased"] = works
	} else if err != nil {
		responses["playlet/bought/list"] = gin.H{"error": "加载失败", "msg": err.Error()}
		log.Error("fetch bought playlets failed", log.E(err))
		data["purchasedUnavailable"] = true
	} else {
		responses["playlet/bought/list"] = gin.H{"code": code, "data": list}
	}

	data["purchasedResponse"] = responses["playlet/bought/list"]
	HTMLOK(c, "purchased.html", data)
}