<?php

namespace OCA\OrganizationFolders\Db;

use JsonSerializable;
use OCA\OrganizationFolders\Interface\TableSerializable;

use OCP\AppFramework\Db\Entity;

use OCA\OrganizationFolders\Enum\OrganizationFolderMemberPermissionLevel;
use OCA\OrganizationFolders\Enum\PrincipalType;
use OCA\OrganizationFolders\Model\Principal;

class OrganizationFolderMember extends Entity implements JsonSerializable, TableSerializable {
	protected $organizationFolderId;
	protected $permissionLevel;
	protected $principalType;
    protected $principalId;
    protected $createdTimestamp;
	protected $lastUpdatedTimestamp;
	
	public function __construct() {
		$this->addType('organizationFolderId','integer');
		$this->addType('permissionLevel','integer');
        $this->addType('principalType','integer');
        $this->addType('createdTimestamp','integer');
		$this->addType('lastUpdatedTimestamp','integer');
	}
	
	public function getPrincipal(): Principal {
		return new Principal(PrincipalType::from($this->principalType), $this->principalId);
	}

	public function setPrincipal(Principal $principal) {
        $principalType = $principal->getType();
        if($principalType === PrincipalType::GROUP || $principalType === PrincipalType::ROLE) {
		    $this->setPrincipalType($principalType->value);
        } else {
            throw new \Exception("individual users are not allowed as organization folder members");
        }

        $this->setPrincipalId($principal->getId());
	}

    public function setPermissionLevel(int $permissionLevel) {
        if($permissionLevel >= 1 && $permissionLevel <= 3) {
			if ($permissionLevel === $this->permissionLevel) {
				// no change
				return;
			}

			$this->markFieldUpdated("permissionLevel");
            $this->permissionLevel = $permissionLevel;
        } else {
            throw new \Exception("invalid organization folder member permission level");
        }
    }

    public function jsonSerialize(): array {
		return [
			'id' => $this->id,
			'organizationFolderId' => $this->organizationFolderId,
			'permissionLevel' => $this->permissionLevel,
			'principal' => $this->getPrincipal(),
            'createdTimestamp' => $this->createdTimestamp,
			'lastUpdatedTimestamp' => $this->lastUpdatedTimestamp,
		];
	}

    public function tableSerialize(?array $params = null): array {
		return [
			'Id' => $this->id,
			'Organization Folder Id' => $this->organizationFolderId,
			'Permission Level' => OrganizationFolderMemberPermissionLevel::from($this->permissionLevel)->name,
			'Principal Type' => PrincipalType::from($this->principalType)->name,
            'Principal Id' => $this->principalId,
            'Created' => $this->createdTimestamp,
			'LastUpdated' => $this->lastUpdatedTimestamp,
		];
	}
}