<?php

Lib::loadClass('Relations');

class Api_Process_P5_DeleteRelation { // TODO: extends Api_ProcessBase

	static function run($args, $responseForm) {
		$typeName = (!empty($args['typeName'][0])) ? $args['typeName'][0] : '';
		if (!$typeName) throw new Api_OwsException("Missing value for 'typeName'", 501, null, 'MissingParameterValue', 'request');
		$primaryKey = (!empty($args['primaryKey'][0])) ? $args['primaryKey'][0] : '';
		if (!$primaryKey) throw new Api_OwsException("Missing value for 'primaryKey'", 501, null, 'MissingParameterValue', 'request');
		$remoteTypeName = (!empty($args['remoteTypeName'][0])) ? $args['remoteTypeName'][0] : '';
		if (!$remoteTypeName) throw new Api_OwsException("Missing value for 'remoteTypeName'", 501, null, 'MissingParameterValue', 'request');
		$listRemotePrimaryKeys = (!empty($args['primaryKey'])) ? $args['remotePrimaryKey'] : [];
		if (empty($listRemotePrimaryKeys)) throw new Api_OwsException("Missing value for 'remotePrimaryKey'", 501, null, 'MissingParameterValue', 'request');

		if (!Relations::isAllowedToDeleteRelation($userLogin, $typeName, $primaryKey, $remoteTypeName)) {
			throw new Api_OwsException("User is not allowed to create relation from '{$typeName}.{$primaryKey}' to '{$remoteTypeName}' ", 501, null, 'AccessDenied', 'request');
		}
		try {
			Relations::deleteRelations($typeName, $primaryKey, $remoteTypeName, $listRemotePrimaryKeys);
		} catch (Exception $e) {
			DBG::log($e);
			throw new Api_OwsException($e->getMessage(), 501, null, 'AccessDenied', 'request');
		}

		header('Content-Type: application/json');
		echo json_encode([
			'type' => "success",
			'msg' => "done",
			// 'body' => [
			// 	'relations' => $listRelations,
			// 	'total' => $total,
			// ]
		]);
		exit;
	}

}