// Package embedfs
// @Link  https://gitee.com/linngc/center.gf
// @Copyright  Copyright (c) 2022 center CLI
// @Author  linngc
// @License
package embedfs

import (
	"context"
	"encoding/json"
	"gitee.com/linngc/center.gf/contrib/module/cachebuffer/internal/link"
	"gitee.com/linngc/center.gf/contrib/module/cachebuffer/model/marshal"
	"github.com/creasty/defaults"
	"github.com/gogf/gf/v2/encoding/gyaml"
	"github.com/gogf/gf/v2/frame/g"
	"net/http"
	"sync"
)

var (
	todo         = context.TODO()
	Request      = &EmbedFs{}
	FileSystem   http.FileSystem
	initSyncOnce sync.Once
)

type EmbedFs struct {
	CosType  marshal.CosType `dc:"代理仓库缓存类型"`
	position string          `dc:"代理仓库对象存储服务存储位置"`
	Storage  string          `yaml:"storage"  default:"./storage/embedfs"  dc:"本地存储文件路径"`
	Bucket   string          `yaml:"bucket"   default:""  dc:"对应的桶名称"`
}

// NewClientV1  存储到本地文件夹客户端管理
func NewClientV1(types marshal.CosType, position string) (client link.ClientV1Interface) {
	initSyncOnce.Do(initSync)

	Request.CosType = types
	Request.position = position

	return Request
}

// OnConfig 初始化配置参数信息到内存
func OnConfig(str string) {
	// 解析yaml
	if err := gyaml.DecodeTo([]byte(str), Request); err != nil {
		g.Log().Errorf(todo, "yaml配置文件Unmarshal解析[EmbedFs 存储]出错 %v", err)
		return
	}
	// 添加默认值
	if err := defaults.Set(Request); err != nil {
		g.Log().Errorf(context.TODO(), "添加[EmbedFs 存储]默认值出错 %v", err)
		return
	}
	//
	marshal, _ := json.Marshal(Request)
	g.Log().Debugf(context.TODO(), "[EmbedFs 存储]启动参数: %s", marshal)

}

// fileSystemDir 创建资源服务
func initSync() {
	//将缓存存储文件夹放入FileSystem，做为资源服务
	FileSystem = http.Dir(Request.Storage)
}