package myconf

import (
	"fmt"
	"github.com/spf13/pflag"
	"github.com/spf13/viper"
	"log"
)

type Config struct {
	*viper.Viper
}

var (
	conf = &Config{Viper: viper.New()}
)

// 加载命令行参数
func LoadFlag() {
	if !pflag.Parsed() {
		pflag.Parse()
	}
	err := conf.BindPFlags(pflag.CommandLine)
	if err != nil {
		panic(fmt.Errorf("load command line fail: %s", err))
	}
}

// 指定文件加载
func LoadFile(confFile string) {
	log.Printf("read conf file: %s", confFile)

	conf.SetConfigFile(confFile)
	err := conf.ReadInConfig()
	if err != nil {
		panic(fmt.Errorf("read file fail: %s", err))
	}
}

func Conf() *Config {
	return conf
}

func (c *Config) GetStringDefault(key, defaultVal string) string {
	v := c.GetString(key)
	if v == "" {
		return defaultVal
	}
	return v
}

func (c *Config) GetIntDefault(key string, defaultVal int) int {
	v := c.GetString(key) // 未设置 空字符串
	if v == "" {
		return defaultVal
	}
	return c.GetInt(key)
}

func (c *Config) GetBoolDefault(key string, defaultVal bool) bool {
	v := c.GetString(key) // 未设置 空字符串
	if v == "" {
		return defaultVal
	}
	return c.GetBool(key)
}