<?php
/**
 * @package framework
 * @subpackage tests
 */
class GroupTest extends FunctionalTest {

	static $fixture_file = 'GroupTest.yml';
	
	public function testGroupCodeDefaultsToTitle() {
		$g1 = new Group();
		$g1->Title = "My Title";
		$g1->write();
		$this->assertEquals('my-title', $g1->Code, 'Custom title gets converted to code if none exists already');
		
		$g2 = new Group();
		$g2->Title = "My Title";
		$g2->Code = "my-code";
		$g2->write();
		$this->assertEquals('my-code', $g2->Code, 'Custom attributes are not overwritten by Title field');
		
		$g3 = new Group();
		$g3->Title = _t('SecurityAdmin.NEWGROUP',"New Group");
		$g3->write();
		$this->assertNull($g3->Code, 'Default title doesnt trigger attribute setting');
	}
	
	public function testMemberGroupRelationForm() {
		Session::set('loggedInAs', $this->idFromFixture('GroupTest_Member', 'admin'));
		
		$adminGroup = $this->objFromFixture('Group', 'admingroup');
		$parentGroup = $this->objFromFixture('Group', 'parentgroup');
		$childGroup = $this->objFromFixture('Group', 'childgroup');

		// Test single group relation through checkboxsetfield
		$form = new GroupTest_MemberForm($this, 'Form');
		$member = $this->objFromFixture('GroupTest_Member', 'admin');
		$form->loadDataFrom($member);
		$checkboxSetField = $form->Fields()->fieldByName('Groups');
		$checkboxSetField->setValue(array(
			$adminGroup->ID => $adminGroup->ID, // keep existing relation
			$parentGroup->ID => $parentGroup->ID, // add new relation
		));
		$form->saveInto($member);
		$updatedGroups = $member->Groups();

		$this->assertEquals(
			array($adminGroup->ID, $parentGroup->ID),
			$updatedGroups->column(),
			"Adding a toplevel group works"
		);

		// Test unsetting relationship
		$form->loadDataFrom($member);
		$checkboxSetField = $form->Fields()->fieldByName('Groups');
		$checkboxSetField->setValue(array(
			$adminGroup->ID => $adminGroup->ID, // keep existing relation
			//$parentGroup->ID => $parentGroup->ID, // remove previously set relation
		));
		$form->saveInto($member);
		$member->flushCache();
		$updatedGroups = $member->Groups();
		$this->assertEquals(
			array($adminGroup->ID),
			$updatedGroups->column(),
			"Removing a previously added toplevel group works"
		);

		// Test adding child group

	}
	
	public function testCollateAncestorIDs() {
		$parentGroup = $this->objFromFixture('Group', 'parentgroup');
		$childGroup = $this->objFromFixture('Group', 'childgroup');
		$orphanGroup = new Group();
		$orphanGroup->ParentID = 99999;
		$orphanGroup->write();
		
		$this->assertEquals(
			array($parentGroup->ID), 
			$parentGroup->collateAncestorIDs(),
			'Root node only contains itself'
		);
		
		$this->assertEquals(
			array($childGroup->ID, $parentGroup->ID), 
			$childGroup->collateAncestorIDs(),
			'Contains parent nodes, with child node first'
		);
		
		$this->assertEquals(
			array($orphanGroup->ID), 
			$orphanGroup->collateAncestorIDs(),
			'Orphaned nodes dont contain invalid parent IDs'
		);
	}

	public function testDelete() {
		$group = $this->objFromFixture('Group', 'parentgroup');
		$groupID = $group->ID;
		$childGroupID = $this->idFromFixture('Group', 'childgroup');
		$group->delete();

		$this->assertEquals(0, DataObject::get('Group', "\"ID\" = {$groupID}")->Count(),
			'Group is removed');
		$this->assertEquals(0, DataObject::get('Permission', "\"GroupID\" = {$groupID}")->Count(),
			'Permissions removed along with the group');
		$this->assertEquals(0, DataObject::get('Group', "\"ParentID\" = {$groupID}")->Count(),
			'Child groups are removed');
		$this->assertEquals(0, DataObject::get('Group', "\"ParentID\" = {$childGroupID}")->Count(),
			'Grandchild groups are removed');
	}

}

class GroupTest_Member extends Member implements TestOnly {

	public function getCMSFields() {
		$groups = DataObject::get('Group');
		$groupsMap = ($groups) ? $groups->map() : false;
		$fields = new FieldList(
			new HiddenField('ID', 'ID'),
			new CheckboxSetField(
				'Groups',
				'Groups',
				$groupsMap
			)
		);

		return $fields;
	}

}

class GroupTest_MemberForm extends Form {

	public function __construct($controller, $name) {
		$fields = singleton('GroupTest_Member')->getCMSFields();
		$actions = new FieldList(
			new FormAction('doSave','save')
		);

		parent::__construct($controller, $name, $fields, $actions);
	}

	public function doSave($data, $form) {
		// done in testing methods
	}

}