package domain

import (
	"fmt"
	"strings"
	"time"
)

type EnvironmentStatus string

const (
	EnvironmentStatusCreating EnvironmentStatus = "CREATING"
	EnvironmentStatusActive   EnvironmentStatus = "ACTIVE"
	EnvironmentStatusDeleting EnvironmentStatus = "DELETING"
	EnvironmentStatusDeleted  EnvironmentStatus = "DELETED"
	EnvironmentStatusFailed   EnvironmentStatus = "FAILED"
)

type Environment struct {
	ID        string
	Name      string
	Status    EnvironmentStatus
	CreatedAt time.Time
	UpdatedAt time.Time
}

func (e Environment) Validate() error {
	if strings.TrimSpace(e.ID) == "" {
		return fmt.Errorf("%w: environment id is required", ErrInvalidArgument)
	}
	if strings.TrimSpace(e.Name) == "" {
		return fmt.Errorf("%w: environment name is required", ErrInvalidArgument)
	}
	if !e.Status.Valid() {
		return fmt.Errorf("%w: environment status %q", ErrInvalidStatus, e.Status)
	}
	return nil
}

func (s EnvironmentStatus) Valid() bool {
	switch s {
	case EnvironmentStatusCreating,
		EnvironmentStatusActive,
		EnvironmentStatusDeleting,
		EnvironmentStatusDeleted,
		EnvironmentStatusFailed:
		return true
	default:
		return false
	}
}