package config

import (
	"io/ioutil"
	"github.com/spf13/viper"

	"github.com/stashapp/stash/pkg/utils"
)

const Stash = "stash"
const Cache = "cache"
const Generated = "generated"
const Metadata = "metadata"
const Downloads = "downloads"

const Database = "database"

const Host = "host"
const Port = "port"

const CSSEnabled = "cssEnabled"

func Set(key string, value interface{}) {
	viper.Set(key, value)
}

func Write() error {
	return viper.WriteConfig()
}

func GetStashPaths() []string {
	return viper.GetStringSlice(Stash)
}

func GetCachePath() string {
	return viper.GetString(Cache)
}

func GetGeneratedPath() string {
	return viper.GetString(Generated)
}

func GetMetadataPath() string {
	return viper.GetString(Metadata)
}

func GetDatabasePath() string {
	return viper.GetString(Database)
}

func GetHost() string {
	return viper.GetString(Host)
}

func GetPort() int {
	return viper.GetInt(Port)
}

func GetCSSPath() string {
	// search for custom.css in current directory, then $HOME/.stash
	fn := "custom.css"
	exists, _ := utils.FileExists(fn)
	if !exists {
		fn = "$HOME/.stash/" + fn
	}

	return fn
}

func GetCSS() string {
	fn := GetCSSPath()

	exists, _ := utils.FileExists(fn)
	if !exists {
		return ""
	}

	buf, err := ioutil.ReadFile(fn)

	if err != nil {
		return ""
	}

	return string(buf)
}

func SetCSS(css string) {
	fn := GetCSSPath()

	buf := []byte(css)

	ioutil.WriteFile(fn, buf, 0777)
}

func GetCSSEnabled() bool {
	return viper.GetBool(CSSEnabled)
}

func IsValid() bool {
	setPaths := viper.IsSet(Stash) && viper.IsSet(Cache) && viper.IsSet(Generated) && viper.IsSet(Metadata)
	// TODO: check valid paths
	return setPaths
}