package verify

import (
	"fmt"
	"os"
	"strconv"
	"strings"

	"github.com/go-logr/logr"
)

func Verify() error {
	result := make([]string, 0)

	if Issuer() == "" {
		result = append(result, "IAM_ISSUER")
	}

	if IssuerURL() == "" {
		result = append(result, "IAM_ISSUER_URL")
	}

	if ClientURL() == "" {
		result = append(result, "IAM_CLIENT_URL")
	}

	if len(result) > 0 {
		return fmt.Errorf("missing the following configuration: %v", strings.Join(result, ", "))
	}

	return nil
}

func Info(logger logr.Logger) {
	logger.Info("Using configuration:", "ISSUER", Issuer(), "AuthURL", IssuerURL(), "ClientURL", ClientURL(), "InClusterIssuerURL", InClusterIssuerURL(), "ADDR", Addr())
}

// Where Edge-ID is running (Auth Server)
func IssuerURL() string {
	return os.Getenv("IAM_ISSUER_URL")
}

// The host where client is running
func ClientURL() string {
	return os.Getenv("IAM_CLIENT_URL")
}

// In cluster URL of Edge-ID
func InClusterIssuerURL() string {
	return os.Getenv("IAM_INCLUSTER_ISSUER_URL")
}

// This is to distinguish as we have emergency barcodes as well.
func GetBarcodeLength() int {
	return 20
}

// To check if client is in Dev mode
func DevMode() bool {
	value, exist := os.LookupEnv("IAM_DEV_MODE")
	if exist {
		isTrue, _ := strconv.ParseBool(value)
		return isTrue
	}
	return false
}

// The one minted on the token
func Issuer() string {
	return os.Getenv("IAM_ISSUER")
}

// The one minted on the token
func ClientID() string {
	return os.Getenv("CLIENT_ID")
}

// The one minted on the token
func ClientSecret() string {
	return os.Getenv("CLIENT_SECRET")
}

func BslExpectedOrganization() string {
	value, exist := os.LookupEnv("BSL_ORGANIZATION")
	if exist {
		return value
	}
	return "dev-ex"
}

func BslExpectedSubject() string {
	value, exist := os.LookupEnv("BSL_SUBJECT")
	if exist {
		return value
	}
	return "ew250055"
}

func Addr() string {
	addr, found := os.LookupEnv("IAM_TEST_ADDR")
	if !found {
		return ":8088"
	}

	return addr
}