package web

import (
	"fmt"
	"videoweb/app/service/playletser"

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

// List 短剧列表页：题材 + GET /api/app/playlet/all/list。
// 文档：http://172.104.181.99:25319/swagger/index.html#/app短剧相关接口/get_api_app_playlet_all_list
func List(c *gin.Context) {
	q := playletser.ParseAllListQuery(c)
	themes := playletser.FetchThemesOrEmpty(c, 0)
	playletser.ResolveAllListTheme(&q, themes)
	themeResolved := listThemeResolved(q, themes)
	raw := playletser.FetchAllListOrEmpty(c, q)
	pageHeading, seoSelections := listSEOContext(q, themes)
	title := pageHeading + " - 黄果短剧"
	if raw != nil && raw.SeoInfo.Title != "" {
		title = raw.SeoInfo.Title
	}
	list := []playletser.CommonData(nil)
	total := int64(0)
	pageNum, pageSize := q.PageNum, q.PageSize
	var seo playletser.SeoInfo
	var advitise any
	if raw != nil {
		list = raw.List
		total = raw.TotalCount
		seo = raw.SeoInfo
		if raw.PageNum > 0 {
			pageNum = raw.PageNum
		}
		if raw.PageSize > 0 {
			pageSize = raw.PageSize
		}
		advitise = raw.Advitise
	}
	HTMLOK(c, "list.html", gin.H{
		"title":          title,
		"navActive":      "list",
		"seoInfo":        seo,
		"seoSelections":  seoSelections,
		"pageHeading":    pageHeading,
		"list":           list,
		"totalCount":     total,
		"pageNum":        pageNum,
		"pageSize":       pageSize,
		"listCount":      fmt.Sprintf("共 %d 部", total),
		"advitise":       advitise,
		"themeList":      themes,
		"themeSlug":      q.ThemeSlug,
		"themeId":        q.ThemeID,
		"updateStatus":   q.UpdateStatus,
		"sortType":       q.SortType,
		"seoEntityValid": themeResolved || total > 0,
		"pagination":     playletser.BuildAllListPagination(q, total),
		"canonicalPath":  q.URL(),
	})
}

func listThemeResolved(q playletser.AllListQuery, themes []playletser.PlayletThemeItem) bool {
	if q.ThemeID <= 0 && q.ThemeSlug == "" {
		return true
	}
	for _, theme := range themes {
		if (q.ThemeID > 0 && theme.ID == q.ThemeID) || (q.ThemeSlug != "" && theme.Slug == q.ThemeSlug) {
			return true
		}
	}
	return false
}

func listSEOContext(q playletser.AllListQuery, themes []playletser.PlayletThemeItem) (string, []playletser.SEOSelection) {
	heading := "全部短剧"
	selections := make([]playletser.SEOSelection, 0, 3)
	themeName := q.ThemeSlug
	for _, theme := range themes {
		if (q.ThemeID > 0 && theme.ID == q.ThemeID) || (q.ThemeSlug != "" && theme.Slug == q.ThemeSlug) {
			themeName = theme.Name
			break
		}
	}
	if themeName != "" {
		heading = themeName + "短剧"
		selections = append(selections, playletser.SEOSelection{Dimension: "题材", Value: themeName})
	}
	if q.UpdateStatus == 1 {
		selections = append(selections, playletser.SEOSelection{Dimension: "状态", Value: "连载中"})
	} else if q.UpdateStatus == 2 {
		selections = append(selections, playletser.SEOSelection{Dimension: "状态", Value: "已完结"})
	}
	if q.SortType == 2 {
		selections = append(selections, playletser.SEOSelection{Dimension: "排序", Value: "最热"})
	} else if q.SortType == 3 {
		selections = append(selections, playletser.SEOSelection{Dimension: "排序", Value: "收藏最多"})
	}
	return heading, selections
}