package web

import (
	"strings"
	"videoweb/app/service/playletser"
	"videoweb/app/service/videoser"

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

// Play 播放页：GET /api/app/playlet/detail + GET /api/app/playlet/chapter/detail。
// 文档：http://172.104.181.99:25319/swagger/index.html#/app短剧相关接口/get_api_app_playlet_detail
func Play(c *gin.Context) {
	if c.Request.URL.Query().Has("guessPage") {
		NotFound(c)
		return
	}
	q := playletser.ParsePlayQuery(c.Param("slug"), c.Param("ep"))
	if strings.TrimSpace(c.Param("ep")) != "" && q.ChapterID <= 0 {
		NotFound(c)
		return
	}
	playletKey := c.Param("slug")
	playlet := playletser.FetchDetailOrNilByKey(c, playletKey)
	if playlet == nil {
		NotFound(c)
		return
	}

	chapterID := playletser.ResolvePlayChapterID(playlet, q.ChapterID)
	listedChapter := playletser.FindChapter(playlet, chapterID)
	if chapterID <= 0 || (q.ChapterID > 0 && listedChapter == nil) {
		NotFound(c)
		return
	}
	chapter := playletser.FetchChapterDetailOrNil(c, chapterID, playlet.ID, playlet.Slug)
	if chapter == nil {
		if listedChapter != nil {
			chapter = playletser.ChapterFromList(*listedChapter)
		}
	}
	if chapter == nil {
		NotFound(c)
		return
	}

	seo := playletser.ResolvePlayPageSEO(chapter, playlet)
	title := playletser.ResolvePlayPageTitle(chapter, playlet)
	if title == "" {
		title = "在线播放 - 黄果短剧"
	}

	hot := playletser.FetchAllListOrEmpty(c, playletser.AllListQuery{
		PageNum:      1,
		PageSize:     8,
		SortType:     2, // 最热
		UpdateStatus: 0, // 全部
	})
	hotList := []playletser.CommonData(nil)
	if hot != nil {
		hotList = hot.List
	}

	guessPage := playletser.ParseGuessLikePage(c)
	guessLike := playletser.FetchGuessLikeListOrEmpty(c, playletser.GuessLikeQuery{
		PlayletID: playlet.ID,
		PageNum:   guessPage,
		PageSize:  6,
	})
	if len(guessLike.List) == 0 && guessPage > 1 {
		guessLike = playletser.FetchGuessLikeListOrEmpty(c, playletser.GuessLikeQuery{
			PlayletID: playlet.ID,
			PageNum:   1,
			PageSize:  6,
		})
	}

	canWatch := false
	episode := 0
	if chapter != nil {
		canWatch = chapter.AllowWatch()
		episode = chapter.CurrentEpisode
	}
	if episode <= 0 {
		for i, item := range playlet.PlayletChapterInfo {
			if item.ID != chapterID {
				continue
			}
			episode = item.CurrentEpisode
			if episode <= 0 {
				episode = i + 1
			}
			break
		}
	}
	if episode <= 0 {
		episode = 1
	}

	previewURL := strings.TrimSpace(playlet.Preview)
	mainURL := ""
	if canWatch && chapter != nil {
		mainURL = strings.TrimSpace(chapter.VideoURL)
	}

	data := gin.H{
		"title":         title,
		"navActive":     "list",
		"seoInfo":       seo,
		"playlet":       playlet,
		"chapter":       chapter,
		"chapterID":     chapterID,
		"episode":       episode,
		"canWatch":      canWatch,
		"mainURL":       mainURL,
		"previewURL":    previewURL,
		"hasPreview":    previewURL != "",
		"nextChapterID": playletser.NextChapterID(playlet, chapterID),
		"advitise":      playlet.Advitise,
		"related":       playlet.RelatedRecommendData,
		"guessLike":     guessLike.List,
		"guessPage":     guessLike.PageNum,
		"guessPageSize": guessLike.PageSize,
		"guessTotal":    guessLike.TotalCount,
		"hotList":       hotList,
		"hotMoreURL":    playletser.AllListURL("all", 0, 0, 2, 1),
		"playResponse": gin.H{
			"playlet":    playlet,
			"chapter":    chapter,
			"chapterID":  chapterID,
			"canWatch":   canWatch,
			"mainURL":    mainURL,
			"previewURL": previewURL,
			"hasPreview": previewURL != "",
			"guessLike":  guessLike,
			"hotList":    hotList,
		},
	}
	data["canonicalPath"] = playletser.PlayPath(playlet.Slug, playlet.ID)
	HTMLOK(c, "play.html", data)
}

// SeriesPlay 视频播放页：GET /api/app/video/detail。
// 文档：http://172.104.181.99:25319/swagger/index.html#/视频相关接口/get_api_app_video_detail
func SeriesPlay(c *gin.Context) {
	if c.Request.URL.Query().Has("guessPage") {
		NotFound(c)
		return
	}
	key := c.Param("slug")
	video := videoser.FetchVideoDetailOrNilByKey(c, key)
	if video == nil {
		NotFound(c)
		return
	}

	title := videoser.ResolveVideoPageTitle(video)
	if title == "" {
		title = "在线播放 - 黄果短剧"
	} else {
		title = title + " - 黄果短剧"
	}

	cover := video.CoverImg
	if cover == "" {
		cover = video.Video.Cover
	}
	videoURL := strings.TrimSpace(video.Video.URL)
	canWatch := videoURL != ""

	hot := playletser.FetchAllListOrEmpty(c, playletser.AllListQuery{
		PageNum:      1,
		PageSize:     8,
		SortType:     2, // 最热
		UpdateStatus: 0, // 全部
	})
	hotList := []playletser.CommonData(nil)
	if hot != nil {
		hotList = hot.List
	}

	// 视频详情无 recommendVideos：猜你喜欢与 play.html 一致，走短剧同题材推荐。
	// 以热榜首部短剧为种子 playletId（排除该剧本身）。
	guessPlayletID := int64(0)
	if len(hotList) > 0 {
		guessPlayletID = hotList[0].ID
	}
	guessPage := playletser.ParseGuessLikePage(c)
	guessLike := playletser.FetchGuessLikeListOrEmpty(c, playletser.GuessLikeQuery{
		PlayletID: guessPlayletID,
		PageNum:   guessPage,
		PageSize:  6,
	})
	if len(guessLike.List) == 0 && guessPage > 1 {
		guessLike = playletser.FetchGuessLikeListOrEmpty(c, playletser.GuessLikeQuery{
			PlayletID: guessPlayletID,
			PageNum:   1,
			PageSize:  6,
		})
	}

	data := gin.H{
		"title":          title,
		"navActive":      "aiSeries",
		"seoInfo":        video.SeoInfo,
		"video":          video,
		"videoID":        video.ID,
		"videoSlug":      video.Slug,
		"cover":          cover,
		"videoURL":       videoURL,
		"canWatch":       canWatch,
		"guessLike":      guessLike.List,
		"guessPage":      guessLike.PageNum,
		"guessPageSize":  guessLike.PageSize,
		"guessTotal":     guessLike.TotalCount,
		"guessPlayletID": guessPlayletID,
		"advitise":       video.Advitise,
		"hotList":        hotList,
		"hotMoreURL":     playletser.AllListURL("all", 0, 0, 2, 1),
		"videoResponse": gin.H{
			"video":          video,
			"videoURL":       videoURL,
			"canWatch":       canWatch,
			"hotList":        hotList,
			"guessLike":      guessLike,
			"guessPlayletID": guessPlayletID,
		},
		"playDebug": gin.H{
			"canWatch":  canWatch,
			"videoURL":  videoURL,
			"cover":     cover,
			"videoTime": video.Video.VideoTime,
		},
	}
	if strings.TrimSpace(c.Param("guessPage")) != "" {
		data["canonicalPath"] = videoser.VideoPlayURL(video.Slug, video.ID)
	}
	HTMLOK(c, "seriesPlay.html", data)
}