package config

import (
	"fmt"
	"github.com/beego/beego/v2/core/logs"
	"github.com/beego/beego/v2/server/web"
)

const (
	SPLIT = "."
)

type Config interface {
	GetConfig() interface{}
	InitConfig()
}

type BaseConfig struct {
	prefix string
	config map[string]string
}

func (b *BaseConfig) GetString(key string) string {
	value, err := web.AppConfig.String(fmt.Sprintf("%s%s%s", b.prefix, SPLIT, key))
	if err != nil {
		return ""
	}
	return value
}

type Instance func() Config

var configs = make(map[string]Instance)

func GetConfig(name string) (config Config) {
	instanceFunc, ok := configs[name]
	if !ok {
		logs.Error("配置信息不存在", name)
		return nil
	}
	config = instanceFunc()
	config.InitConfig()
	return config
}
func Register(name string, adapter Instance) {
	if adapter == nil {
		panic("cache: Register adapter is nil")
	}
	if _, ok := configs[name]; ok {
		panic("cache: Register called twice for adapter " + name)
	}
	configs[name] = adapter
}