package config

import (
	"os"
	"strings"
)

// depth 是 .env 文件的搜索深度
var depth = 8

type defaultConfig struct {
	Redis struct {
		Addr string
		Pass string
	}

	DB struct {
		DSN    string
		DSN2   string
		Driver string
	}

	ListenAddr struct {
		GRPC string
		HTTP string
	}

	JWKS struct {
		Url string
	}

	DebugMode struct {
		Enable bool
	}
}

var Config = defaultConfig{}

func GetEnv(key string, defaultValue ...string) string {
	r := os.Getenv(key)
	if len(r) == 0 && len(defaultValue) > 0 {
		return defaultValue[0]
	} else {
		return r
	}
}
func GetEnvFilePath() string {
	var path string
	if os.Getenv("ENV_PATH") != "" {
		path = os.Getenv("ENV_PATH")
		return path
	}
	var pathOptions []string
	for i := 0; i <= depth; i++ {
		pathOptions = append(pathOptions, strings.Repeat("../", i)+".env")
	}
	for _, p := range pathOptions {
		if _, err := os.Stat(p); err == nil {
			path = p
			break
		}
	}
	return path
}