// Package mcache
// @Link  https://github.com/xiujiecn/xiu-admin
// @Copyright  Copyright (c) 2025 LiXiujie
// @Author  Lxj <xxx@example.com>
// @License  https://github.com/xiujiecn/xiu-admin/blob/master/LICENSE
// 内存缓存管理
package mcache

import (
	"context"
	"sync"
	"time"

	"github.com/gogf/gf/v2/os/gcache"
)

// cache 缓存驱动
var (
	mcache    *gcache.Cache
	cacheOnce sync.Once
)

// Instance 缓存实例
func Instance() *gcache.Cache {
	cacheOnce.Do(func() {
		mcache = gcache.NewWithAdapter(gcache.NewAdapterMemory())
	})
	return mcache
}

func Set(ctx context.Context, key string, value interface{}, timeout time.Duration) error {
	return Instance().Set(ctx, key, value, timeout)
}

func Get(ctx context.Context, key string) (interface{}, error) {
	return Instance().Get(ctx, key)
}

func Remove(ctx context.Context, key string) error {
	_, err := Instance().Remove(ctx, key)
	return err
}

// Clear invalidates every derived in-process cache entry. It is used after the
// authoritative SQLite memory database is rebuilt.
func Clear(ctx context.Context) error {
	keys := Instance().MustKeys(ctx)
	if len(keys) == 0 {
		return nil
	}
	return Instance().Removes(ctx, keys)
}