package models

import (
	"errors"
	"git.sch9.ru/new_gate/ms-tester/internal/lib"
)

type Result int32

const (
	NotTested               Result = 0 // change only with schema change
	Accepted                Result = 1
	CompilationError        Result = 2
	MemoryLimitExceeded     Result = 3
	TimeLimitExceeded       Result = 4
	SystemFailDuringTesting Result = 5
	Testing                 Result = 6
)

var ErrBadResult = errors.New("bad result")

func (result Result) Valid() error {
	switch result {
	case NotTested, Accepted, TimeLimitExceeded, MemoryLimitExceeded, CompilationError, SystemFailDuringTesting:
		return nil
	}
	return lib.ServiceError(ErrBadResult, lib.ErrValidationFailed, "bad result")
}