package sitemap

import (
	"strings"
	"sync"
	"videoweb/app/service/configser"
	"videoweb/pub/common/log"
)

var generateMu sync.Mutex

// GenerateSitemap 生成全站 sitemap 分片及索引文件。
func GenerateSitemap() {
	generateMu.Lock()
	defer generateMu.Unlock()

	webAddr := strings.TrimSpace(configser.GetConfigInfo().WebAddr)
	if webAddr == "" {
		log.Warn("GenerateSitemap: WebAddr is empty, skip")
		return
	}

	generator := NewSitemapGenerator(webAddr, OutputDir)
	if err := generator.Generate(); err != nil {
		log.Error("GenerateSitemap failed", log.E(err))
		return
	}
	if err := writeRobotsTXT(webAddr); err != nil {
		log.Error("GenerateSitemap write robots.txt failed", log.E(err))
		return
	}
	log.Info("GenerateSitemap done",
		log.Any("files", len(generator.SitemapFiles)),
		log.Any("webAddr", webAddr))
}