package listing

import (
	"errors"
	"sync"
	"time"

	"gorm.io/gorm"
)

type Repository struct {
	db                 *gorm.DB
	publicZoneCountsMu sync.Mutex
	publicZoneCounts   publicZoneCountCache
}

func NewRepository(db *gorm.DB) *Repository {
	return &Repository{db: db}
}

type publicZoneCountCache struct {
	Counts    map[string]int64
	ExpiresAt time.Time
}

const publicZoneCountCacheTTL = 5 * time.Second

func initialPublishState(reviewRequired bool) (string, string, *time.Time) {
	if reviewRequired {
		return "draft", "pending", nil
	}
	now := time.Now()
	return "published", "approved", &now
}

func IsNotFound(err error) bool {
	return errors.Is(err, gorm.ErrRecordNotFound)
}

// roundMoney 使用统一的角精度（0.1元）