package responses

import (
	"net/http"

	"github.com/getsentry/sentry-go"
	sentryecho "github.com/getsentry/sentry-go/echo"
	"github.com/labstack/echo/v4"
)

type ErrorResponse struct {
	Error          bool   `json:"error"`
	Code           int    `json:"code"`
	Message        string `json:"message"`
	HttpStatusCode int    `json:"-"`
}

var GeneralServerError = ErrorResponse{
	Error:          true,
	Code:           6,
	Message:        "Something went wrong. Please try again later",
	HttpStatusCode: 500,
}

var BadArgumentsError = ErrorResponse{
	Error:          true,
	Code:           8,
	Message:        "Bad arguments",
	HttpStatusCode: 400,
}

var BadAuthError = ErrorResponse{
	Error:          true,
	Code:           1,
	Message:        "bad auth",
	HttpStatusCode: 401,
}

var IncorrectNetworkError = ErrorResponse{
	Error:          true,
	Code:           2,
	Message:        "incorrect network",
	HttpStatusCode: 400,
}

var InvalidDestinationError = ErrorResponse{
	Error:          true,
	Code:           2,
	Message:        "invalid destination pubkey",
	HttpStatusCode: 400,
}

var InvoiceExpiredError = ErrorResponse{
	Error:          true,
	Code:           2,
	Message:        "invoice expired",
	HttpStatusCode: 400,
}

var NotEnoughBalanceError = ErrorResponse{
	Error:          true,
	Code:           2,
	Message:        "not enough balance. Make sure you have at least 1% reserved for potential fees",
	HttpStatusCode: 400,
}

var ReceiveExceededError = ErrorResponse{
	Error:          true,
	Code:           2,
	Message:        "max receive amount exceeded. please contact support for further assistance.",
	HttpStatusCode: 400,
}

var BalanceExceededError = ErrorResponse{
	Error:          true,
	Code:           2,
	Message:        "max account balance exceeded. please contact support for further assistance.",
	HttpStatusCode: 400,
}

var TooMuchVolumeError = ErrorResponse{
	Error:          true,
	Code:           2,
	Message:        "transaction volume too high. please contact support for further assistance.",
	HttpStatusCode: 400,
}

var AccountDeactivatedError = ErrorResponse{
	Error:          true,
	Code:           1,
	Message:        "Account has been suspended. Please contact support for further assistance.",
	HttpStatusCode: 401,
}

func HTTPErrorHandler(err error, c echo.Context) {
	if c.Response().Committed {
		return
	}
	c.Logger().Error(err)
	if hub := sentryecho.GetHubFromContext(c); hub != nil {
		hub.WithScope(func(scope *sentry.Scope) {
			scope.SetExtra("UserID", c.Get("UserID"))
			hub.CaptureException(err)
		})
	}
	code := http.StatusInternalServerError
	if he, ok := err.(*echo.HTTPError); ok {
		code = he.Code
		c.JSON(code, he.Message)
	} else {
		c.JSON(http.StatusInternalServerError, GeneralServerError)
	}
	// TODO: use an error matching the error code
}