package core

import (
	"net/http"
)

var (
	ErrInvalidToken = NewHTTPError(http.StatusUnauthorized, "Invalid token", nil)
)

type HTTPError struct {
	Code    int    `json:"code"`
	Message string `json:"message"`
	Cause   error  `json:"-"`
	Details string `json:"details,omitempty"`
}

func (e *HTTPError) Error() string {
	return e.Message
}

func (e *HTTPError) Unwrap() error {
	return e.Cause
}

func NewHTTPError(code int, message string, cause error) *HTTPError {
	details := ""
	if cause != nil {
		details = cause.Error()
	}

	return &HTTPError{
		Code:    code,
		Message: message,
		Cause:   cause,
		Details: details,
	}
}

func NewInternalServerError(cause error) *HTTPError {
	return NewHTTPError(http.StatusInternalServerError, "Internal server error", cause)
}