package main

import (
	"errors"
	"time"

	"git.cin.su/m/Assistant/contracts/work"
	workdomain "git.cin.su/m/Assistant/modules/work/domain"
)

var errDevelopmentGateCreate = errors.New("development gate must start at evidence collected with revision one")

func prepareDevelopmentGate(value work.DevelopmentGate, now time.Time) (work.DevelopmentGate, error) {
	if value.Stage != work.DevelopmentEvidenceCollected || value.Revision != 1 {
		return work.DevelopmentGate{}, errDevelopmentGateCreate
	}
	value.UpdatedAtUnixMillis = now.UnixMilli()
	if err := workdomain.ValidateDevelopmentGate(value); err != nil {
		return work.DevelopmentGate{}, err
	}
	return value, nil
}

func advanceDevelopmentGate(value work.DevelopmentGate, next work.DevelopmentStage, now time.Time) (work.DevelopmentGate, error) {
	advanced, err := workdomain.AdvanceDevelopmentGate(value, next)
	if err != nil {
		return work.DevelopmentGate{}, err
	}
	advanced.Revision = value.Revision + 1
	advanced.UpdatedAtUnixMillis = now.UnixMilli()
	return advanced, nil
}