package srv_seopush

import (
	"context"
	"time"
	"videoweb/pub/models/playletmod"
	"videoweb/pub/pubdef"
	"videoweb/pub/seo/sitemapdirty"
)

// MarkSitemapDirty 通知 app 进程重新生成 sitemap。
func MarkSitemapDirty(ctx context.Context) {
	sitemapdirty.Mark(ctx)
}

// NotifyPlayletAfterWrite 短剧写入后：刷新 sitemap 标记。
// 搜索引擎只在新上架（含新增即上架）或从已上架变为下架时推送，普通改内容不推。
func NotifyPlayletAfterWrite(ctx context.Context, playletId int64, prevStatus *playletmod.Status, status playletmod.Status, onlineAt time.Time) {
	MarkSitemapDirty(ctx)
	wasUp := prevStatus != nil && *prevStatus == playletmod.StatusUp
	if status == playletmod.StatusUp {
		if !wasUp {
			EnqueueUpdated(ctx, KindPlaylet, playletId, PageVisiblePlaylet(status, onlineAt))
		}
		return
	}
	if wasUp {
		EnqueueDeleted(ctx, KindPlaylet, playletId)
	}
}

// NotifyPlayletAfterStatus 批量上下架后的 SEO 通知
func NotifyPlayletAfterStatus(ctx context.Context, ids []int64, status playletmod.Status, onlineAt time.Time) {
	MarkSitemapDirty(ctx)
	if status == playletmod.StatusUp {
		for _, id := range ids {
			EnqueueUpdated(ctx, KindPlaylet, id, PageVisiblePlaylet(status, onlineAt))
		}
		return
	}
	for _, id := range ids {
		EnqueueDeleted(ctx, KindPlaylet, id)
	}
}

// NotifyInfoAfterWrite 视频写入后的 SEO 通知。
// 搜索引擎只在新上架或从已上架变为下架时推送，普通改内容不推。
func NotifyInfoAfterWrite(ctx context.Context, kind string, id int64, prevStatus, status pubdef.InformationStatus) {
	MarkSitemapDirty(ctx)
	wasUp := prevStatus == pubdef.InformationStatusVerifyOK
	if PageVisibleInfo(status) {
		if !wasUp {
			EnqueueUpdated(ctx, kind, id, true)
		}
		return
	}
	if wasUp {
		EnqueueDeleted(ctx, kind, id)
	}
}