package config

import (
	"os"
	"strings"

	"github.com/go-viper/mapstructure/v2"
	log "github.com/sirupsen/logrus"
	"github.com/smbrave/goutil"
	"github.com/spf13/viper"
)

var (
	config    *Config
	configEnv string
)

type Config struct {
}

func GetEnv() string {
	configEnv = os.Getenv("CONFIG_ENV")
	if configEnv == "" {
		configEnv = "prod"
	}
	return configEnv
}

func IsProdEnv() bool {
	return configEnv == "prod"
}

func IsDevEnv() bool {
	return configEnv == "dev"
}

func IsTestEnv() bool {
	return configEnv == "test"
}

func GetConfig() *Config {
	return config
}

func LoadConfig() {
	configEnv = os.Getenv("CONFIG_ENV")
	if configEnv == "" {
		configEnv = "pro"
	}

	var envConfig Config

	viper.SetConfigFile("conf/server.conf." + configEnv)
	viper.SetConfigType("toml")
	viper.AutomaticEnv()
	viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
	viper.SetEnvPrefix("conf")
	if err := viper.ReadInConfig(); err != nil {
		panic(err)
	}
	if err := viper.Unmarshal(&envConfig, func(decoderConfig *mapstructure.DecoderConfig) {
		decoderConfig.TagName = "toml"
	}); err != nil {
		panic(err)
	}

	config = &envConfig
	log.Infof("load real config[%s] ", goutil.EncodeJSONIndent(config))
}