package web

import (
	"net/http"
	"strings"
)

// attachTrackerPage 为所有 HTML 页面补齐稳定的 pageKey/pageName，避免事件落入 unknown。
func attachTrackerPage(path string, code int, data map[string]any) {
	if data == nil {
		return
	}
	key, name := trackerPageFromRequest(path, code)
	if current, _ := data["pageKey"].(string); strings.TrimSpace(current) == "" {
		data["pageKey"] = key
	}
	if current, _ := data["pageName"].(string); strings.TrimSpace(current) == "" {
		data["pageName"] = name
	}
}

func trackerPageFromRequest(path string, code int) (string, string) {
	if code >= http.StatusInternalServerError {
		return "server_error", "服务异常页面"
	}
	if code >= http.StatusBadRequest {
		return "not_found", "404页面"
	}
	return trackerPageFromPath(path)
}

func trackerPageFromPath(path string) (string, string) {
	p := strings.TrimSuffix(strings.TrimSpace(path), "/")
	if p == "" {
		return "home", "首页"
	}
	rules := []struct {
		prefix string
		key    string
		name   string
	}{
		{"/series-play", "series_play", "AI成人剧集播放页"},
		{"/series", "series", "AI成人剧集"},
		{"/play", "play", "短剧播放页"},
		{"/detail", "detail", "短剧详情"},
		{"/list", "list", "短剧列表"},
		{"/recently-added", "recently_added", "最新短剧"},
		{"/popular-recommend", "popular_recommend", "热门推荐"},
		{"/rank", "rank", "排行榜"},
		{"/topic-detail", "topic_detail", "专题详情"},
		{"/topic", "topic", "专题列表"},
		{"/tags", "tags", "标签详情"},
		{"/more-series-list", "more_series_list", "成人剧集列表"},
		{"/more-list", "more_list", "短剧扩展列表"},
		{"/search-mobile", "search", "搜索结果页"},
		{"/search", "search", "搜索结果页"},
		{"/history", "history", "观看历史"},
		{"/favorites", "favorites", "我的收藏"},
		{"/purchased", "purchased", "已购剧集"},
		{"/profile", "profile", "个人中心"},
		{"/setting", "setting", "设置"},
		{"/recharge", "recharge", "充值中心"},
		{"/download-app", "download_app", "下载APP"},
		{"/feedback", "feedback", "问题反馈"},
		{"/help", "help", "帮助中心"},
		{"/about", "about", "关于我们"},
		{"/terms", "terms", "用户协议"},
		{"/privacy", "privacy", "隐私政策"},
		{"/2257", "compliance_2257", "2257合规声明"},
		{"/dmca", "dmca", "DMCA版权声明"},
		{"/login", "login", "登录"},
		{"/register", "register", "注册"},
	}
	for _, rule := range rules {
		if p == rule.prefix || strings.HasPrefix(p, rule.prefix+"/") {
			return rule.key, rule.name
		}
	}
	return "internal_other", "站内其他页面"
}