package api

import (
	"net/http"

	"github.com/jloup/utils"
)

//go:generate stringer -type=Status -output const_string.go
type Status uint32

const EXTERNAL_SERVICE_TIMEOUT_SECONDS = 20

const (
	OK Status = iota
	NOK
)

var (
	errorFlagCounter               utils.Counter = 0
	BadRequest                     utils.Flag    = utils.InitFlag(&errorFlagCounter, "BadRequest")
	EmailExists                    utils.Flag    = utils.InitFlag(&errorFlagCounter, "EmailExists")
	ExternalServiceTimeout         utils.Flag    = utils.InitFlag(&errorFlagCounter, "ExternalServiceTimeout")
	InternalError                  utils.Flag    = utils.InitFlag(&errorFlagCounter, "InternalError")
	InvalidCredentials             utils.Flag    = utils.InitFlag(&errorFlagCounter, "InvalidCredentials")
	InvalidEmail                   utils.Flag    = utils.InitFlag(&errorFlagCounter, "InvalidEmail")
	InvalidMarketCredentials       utils.Flag    = utils.InitFlag(&errorFlagCounter, "InvalidMarketCredentials")
	MarketCredentialsNotConfigured utils.Flag    = utils.InitFlag(&errorFlagCounter, "MarketCredentialsNotConfigured")
	IPRestrictedApiKey             utils.Flag    = utils.InitFlag(&errorFlagCounter, "IPRestrictedApiKey")
	InvalidOtp                     utils.Flag    = utils.InitFlag(&errorFlagCounter, "InvalidOtp")
	InvalidPassword                utils.Flag    = utils.InitFlag(&errorFlagCounter, "InvalidPassword")
	NeedOtpValidation              utils.Flag    = utils.InitFlag(&errorFlagCounter, "NeedOtpValidation")
	NotAuthorized                  utils.Flag    = utils.InitFlag(&errorFlagCounter, "NotAuthorized")
	NotFound                       utils.Flag    = utils.InitFlag(&errorFlagCounter, "NotFound")
	OtpAlreadySetup                utils.Flag    = utils.InitFlag(&errorFlagCounter, "OtpAlreadySetup")
	OtpNotSetup                    utils.Flag    = utils.InitFlag(&errorFlagCounter, "OtpNotSetup")
	UserNotConfirmed               utils.Flag    = utils.InitFlag(&errorFlagCounter, "UserNotConfirmed")

	StatusBadRequest     utils.Flag = utils.Join("BadRequest", BadRequest, InvalidPassword, InvalidEmail, InvalidMarketCredentials, IPRestrictedApiKey, MarketCredentialsNotConfigured)
	StatusUnauthorized   utils.Flag = utils.Join("Unauthorized", InvalidCredentials, InvalidOtp)
	StatusForbidden      utils.Flag = utils.Join("Forbidden", UserNotConfirmed, NotAuthorized, OtpAlreadySetup, OtpNotSetup, NeedOtpValidation)
	StatusConflicts      utils.Flag = utils.Join("Conflicts", EmailExists)
	StatusNotFound       utils.Flag = utils.Join("NotFound", NotFound)
	StatusGatewayTimeout utils.Flag = utils.Join("GatewayTimeout", ExternalServiceTimeout)
)

func StatusToHttpCode(status Status, code utils.Flag) int {
	if status == OK {
		return http.StatusOK
	}

	switch {
	case utils.Intersect(code, StatusBadRequest):
		return http.StatusBadRequest
	case utils.Intersect(code, StatusUnauthorized):
		return http.StatusUnauthorized
	case utils.Intersect(code, StatusForbidden):
		return http.StatusForbidden
	case utils.Intersect(code, StatusConflicts):
		return http.StatusConflict
	case utils.Intersect(code, StatusNotFound):
		return http.StatusNotFound
	case utils.Intersect(code, StatusGatewayTimeout):
		return http.StatusGatewayTimeout
	}

	return http.StatusInternalServerError
}