// Package h5path 统一拼装 jha-1045-hgdjnet-web 的页面路径。
// 规范地址无尾斜杠（首页除外），与 H5 canonical / sitemap / IndexNow 保持一致。
package h5path

import (
	"strconv"
	"strings"
	"videoweb/pub/common/utils"
)

func Segment(slug string, id int64) string {
	return utils.PathSegment(slug, id)
}

// Entity 拼 /{prefix}/{slug|id}，无有效段时只返回 prefix。
func Entity(prefix, slug string, id int64) string {
	prefix = "/" + strings.Trim(prefix, "/")
	if segment := Segment(slug, id); segment != "" {
		return prefix + "/" + segment
	}
	return prefix
}

func Playlet(slug string, id int64) string {
	if Segment(slug, id) == "" {
		return ""
	}
	return Entity("/play", slug, id)
}

func PlayletChapter(slug string, playletID, chapterID int64) string {
	base := Playlet(slug, playletID)
	if base == "" || chapterID <= 0 {
		return ""
	}
	return base + "/" + strconv.FormatInt(chapterID, 10)
}

func TopicDetail(slug string, id int64) string {
	if Segment(slug, id) == "" {
		return "/topic"
	}
	return Entity("/topic-detail", slug, id)
}

func Tag(slug string, id int64) string {
	if Segment(slug, id) == "" {
		return ""
	}
	return Entity("/tags", slug, id)
}

func ListTheme(slug string, id int64) string {
	if Segment(slug, id) == "" {
		return "/list"
	}
	return Entity("/list", slug, id)
}

func VideoPlay(slug string, id int64) string {
	if Segment(slug, id) == "" {
		return ""
	}
	return Entity("/series-play", slug, id)
}

func MoreList(slug string, id int64) string {
	if Segment(slug, id) == "" {
		return ""
	}
	return Entity("/more-list", slug, id)
}

func MoreSeriesList(slug string, id int64) string {
	if Segment(slug, id) == "" {
		return ""
	}
	return Entity("/more-series-list", slug, id)
}

func SeriesTopic(topicID int64) string {
	if topicID <= 0 {
		return "/series"
	}
	return "/series/all/" + strconv.FormatInt(topicID, 10) + "/1"
}

// Abs 拼绝对地址。首页保留尾斜杠，其余页面与 H5 路由一致、不带尾斜杠。
func Abs(webAddr, path string) string {
	path = strings.TrimSpace(path)
	if path == "" || path == "/" {
		return utils.JoinUrlPathKeepSlash(webAddr, "/")
	}
	return utils.JoinUrlPathKeepSlash(webAddr, "/"+strings.Trim(path, "/"))
}