package config

import (
	"github.com/joho/godotenv"
	"os"
	"strings"
)

// depth 是 .env 文件的搜索深度
var depth = 8

func InitConfig() {
	envPath := GetEnvFilePath()
	_ = godotenv.Load(envPath)

	Auth = auth{
		Pass: GetEnv("AUTH_PASS"),
	}

	Dir = dir{
		Dir: GetEnv("LOG_DIR"),
	}

	Gin = gin{
		Port: GetEnv("PORT"),
	}
}
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
}