package config

import (
	"net/url"

	"git.grassecon.net/urdt/ussd/initializers"
)

const (
	createAccountPath = "/api/v2/account/create"
	trackStatusPath = "/api/track"
	balancePathPrefix = "/api/account"
	trackPath = "/api/v2/account/status"
	voucherHoldingsPathPrefix = "/api/v1/holdings"
	voucherTransfersPathPrefix = "/api/v1/transfers/last10"
)

var (
	custodialURLBase string
	dataURLBase string
	CustodialAPIKey string
	DataAPIKey string
)

var (
	CreateAccountURL string
	TrackStatusURL   string
	BalanceURL	string
	TrackURL         string
	VoucherHoldingsURL	string
	VoucherTransfersURL	string
)

func setBase() error {
	var err error

	custodialURLBase = initializers.GetEnv("CUSTODIAL_URL_BASE", "http://localhost:5003")
	dataURLBase = initializers.GetEnv("DATA_URL_BASE", "http://localhost:5006")
	CustodialAPIKey = initializers.GetEnv("CUSTODIAL_API_KEY", "xd")
	DataAPIKey = initializers.GetEnv("DATA_API_KEY", "xd")

	_, err = url.JoinPath(custodialURLBase, "/foo")
	if err != nil {
		return err
	}
	_, err = url.JoinPath(dataURLBase, "/bar")
	if err != nil {
		return err
	}
	return nil
}

// LoadConfig initializes the configuration values after environment variables are loaded.
func LoadConfig() error {
	err := setBase()
	if err != nil {
		return err
	}
	CreateAccountURL, _  = url.JoinPath(custodialURLBase, createAccountPath)
	TrackStatusURL, _ = url.JoinPath(custodialURLBase, trackStatusPath)
	BalanceURL, _ = url.JoinPath(custodialURLBase, balancePathPrefix)
	TrackURL, _ = url.JoinPath(custodialURLBase, trackPath)
	VoucherHoldingsURL, _ = url.JoinPath(dataURLBase, voucherHoldingsPathPrefix)
	VoucherTransfersURL, _ = url.JoinPath(dataURLBase, voucherTransfersPathPrefix)

	return nil
}