package web

import (
	"videoweb/app/service/playletser"

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

// ThemeIndex 专题列表页：专题数据来自 GET /api/app/theme/list?themeType=2。
func ThemeIndex(c *gin.Context) {
	q := playletser.ParseThemeIndexQuery(c.Param("page"))
	if redirectCanonical(c, playletser.ThemeIndexCanonicalPath(q)) {
		return
	}
	themes := playletser.FetchThemesOrEmpty(c, 2)
	list, totalCount := playletser.BuildThemeIndexPage(themes, q)
	if playletser.PageOutOfRange(q.PageNum, q.PageSize, totalCount) {
		NotFound(c, "页面不存在")
		return
	}

	data := gin.H{
		"title":          "AI成人短剧专题推荐" + playletser.PageTitleSuffix(q.PageNum),
		"description":    "专题集中展示黄果短剧各类精品专题合集，涵盖AI成人短剧、AI色情短剧、擦边短剧、AI换脸、AI魔改等热门主题。内容丰富多样，每日持续更新。",
		"pageKey":        "theme_index",
		"pageName":       "专题",
		"navActive":      "topic",
		"pageNum":        q.PageNum,
		"pagePath":       playletser.ThemeIndexCanonicalPath(q),
		"list":           list,
		"totalCount":     totalCount,
		"itemListOffset": (q.PageNum - 1) * q.PageSize,
		"pagination":     playletser.BuildThemeIndexPagination(q, totalCount),
	}
	if totalCount <= 0 || len(list) == 0 {
		setNoIndex(data, true)
	}
	HTMLOK(c, "themeIndex.html", data)
}