package srv_playlet

import (
	"strings"
	"videoweb/pub/common/playletcache"
	"videoweb/pub/pubdef"
)

const (
	defaultPageSize int64 = 10
	maxPageSize     int64 = 100
)

func normalizePage(pageNum, pageSize int64) (int64, int64) {
	if pageNum <= 0 {
		pageNum = 1
	}
	if pageSize <= 0 {
		pageSize = defaultPageSize
	}
	if pageSize > maxPageSize {
		pageSize = maxPageSize
	}
	return pageNum, pageSize
}

// normalizeSeoValue 规范化 SEO 字段，避免 keywords 为 null
func normalizeSeoValue(seo pubdef.SeoValue) pubdef.SeoValue {
	seo.Title = strings.TrimSpace(seo.Title)
	seo.Description = strings.TrimSpace(seo.Description)
	if seo.Keyworld == nil {
		seo.Keyworld = make([]string, 0)
		return seo
	}
	words := make([]string, 0, len(seo.Keyworld))
	for _, word := range seo.Keyworld {
		word = strings.TrimSpace(word)
		if word == "" {
			continue
		}
		words = append(words, word)
	}
	seo.Keyworld = words
	return seo
}

func clearAppPlayletHomeCache() {
	playletcache.ClearHomeCache()
}