<?php
/**
 * Tests for customfields
 *
 * @package api
 * @subpackage tests
 * @link http://www.egroupware.org
 * @author Nathan Gray
 * @copyright 2018 Nathan Gray
 * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
 */

namespace EGroupware\Api\Storage;

use EGroupware\Api;
use EGroupware\Api\LoggedInTest as LoggedInTest;

class CustomfieldsTest extends LoggedInTest
{
	const APP = 'test';
	protected $customfields = null;

	protected $simple_field = array(
			'app'         => self::APP,
			'name'        => 'test_field',
			'label'       => 'Custom field',
			'type'        => 'text',
			'type2'       => array(),
			'help'        => 'Custom field created for automated testing by CustomfieldsTest',
			'values'      => null,
			'len'         => null,
			'rows'        => null,
			'order'       => null,
			'needed'      => null,
			'private'     => array()
		);

	public function assertPreConditions()
	{
		parent::assertPreConditions();
		$tables = $GLOBALS['egw']->db->table_names(true);
		$this->assertContains('egw_test', $tables, 'Could not find DB table "egw_test", make sure test app is installed');
	}

	/**
	 * Check to make sure we can create a custom field
	 */
	public function testCreateField()
	{
		// Create
		$field = $this->simple_field;

		Customfields::update($field);

		// Check
		$fields = Customfields::get(self::APP);

		$this->assertArrayHasKey($field['name'], $fields);

		$saved_field = $fields[$field['name']];

		foreach(array('app','label','type','type2','help','values','len','rows','needed','private') as $key)
		{
			$this->assertEquals($field[$key], $saved_field[$key], "Load of $key did not match save");
		}

		// Clean
		unset($fields[$field['name']]);
		Customfields::save(self::APP, $fields);
	}

	/**
	 * Test the access control on private custom fields
	 */
	public function testPrivateCannotBeReadWithoutPermission()
	{
		$field = $this->create_private_field();

		// Get another user
		$other_account = $this->get_another_user();

		// Try to read - should not be there
		$fields = Customfields::get(self::APP,$other_account);
		$this->assertArrayNotHasKey($field['name'], $fields);

		// Switch the users
		$field['private'] = array($other_account);
		Customfields::update($field);

		// Try to read - should not be there
		$fields = Customfields::get(self::APP,false);
		$this->assertArrayNotHasKey($field['name'], $fields);

		// Clean up
		unset($fields[$field['name']]);
		Customfields::save(self::APP, $fields);
	}

	/**
	 * Test that giving access allows access
	 */
	public function testGivingAccess()
	{
		$field = $this->create_private_field();

		$fields = Customfields::get(self::APP);

		// Get another user
		$other_account = $this->get_another_user();

		// Give access & check
		$field['private'][] = $other_account;
		Customfields::update($field);

		$fields = Customfields::get(self::APP,$other_account);
		$this->assertArrayHasKey($field['name'], $fields);

		// Clean up
		unset($fields[$field['name']]);
		Customfields::save(self::APP, $fields);
	}

	/**
	 * Test that removing access disallows access
	 */
	public function testRemovingAccess()
	{
		$field = $this->create_private_field();

		$fields = Customfields::get(self::APP);

		// Get another user
		$other_account = $this->get_another_user();

		// Give access
		$field['private'][] = $other_account;
		Customfields::update($field);
		$fields = Customfields::get(self::APP,$other_account);
		$this->assertArrayHasKey($field['name'], $fields);

		// Remove access, check its gone
		$field['private'] = array($GLOBALS['egw_info']['user']['account_id']);
		Customfields::update($field);
		$fields = Customfields::get(self::APP,$other_account);
		$this->assertArrayNotHasKey($field['name'], $fields);

		// Clean up
		unset($fields[$field['name']]);
		Customfields::save(self::APP, $fields);
	}

	/**
	 * Test getting all fields ignores any access restrictions
	 */
	public function testGetAllFields()
	{
		$field = $this->create_private_field();

		// Get another user
		$other_account = $this->get_another_user();

		// Change access so current user can't read it
		$field['private'] = array($other_account);
		Customfields::update($field);

		$fields = Customfields::get(self::APP,true);
		$this->assertEquals(1, count($fields));
		$this->assertArrayHasKey($field['name'], $fields);

		// Clean up
		unset($fields[$field['name']]);
		Customfields::save(self::APP, $fields);
	}

	/**
	 * Test getting options from a file
	 *
	 * @dataProvider fileOptionProvider
	 */
	public function testGetOptionsFromGoodFile($expected, $file)
	{
		// Load
		$options = Customfields::get_options_from_file('api/tests/fixtures/Storage/'.$file);

		// Check
		$this->assertInternalType('array', $options);
		$this->assertEquals($expected, $options);
	}

	/**
	 * Provide some options (duplicated in the files) to check loading
	 *
	 * @return array
	 */
	public function fileOptionProvider()
	{
		// Expected options, file
		return array(
			array(array(
				'' =>	'Select',
				'Α'=>	'α	Alpha',
				'Β'=>	'β	Beta',
				'Γ'=>	'γ	Gamma',
				'Δ'=>	'δ	Delta',
				'Ε'=>	'ε	Epsilon',
				'Ζ'=>	'ζ	Zeta',
				'Η'=>	'η	Eta',
				'Θ'=>	'θ	Theta',
				'Ι'=>	'ι	Iota',
				'Κ'=>	'κ	Kappa',
				'Λ'=>	'λ	Lambda',
				'Μ'=>	'μ	Mu',
				'Ν'=>	'ν	Nu',
				'Ξ'=>	'ξ	Xi',
				'Ο'=>	'ο	Omicron',
				'Π'=>	'π	Pi',
				'Ρ'=>	'ρ	Rho',
				'Σ'=>	'σ	Sigma',
				'Τ'=>	'τ	Tau',
				'Υ'=>	'υ	Upsilon',
				'Φ'=>	'φ	Phi',
				'Χ'=>	'χ	Chi',
				'Ψ'=>	'ψ	Psi',
				'Ω'=>	'ω	Omega'
			), 'greek_options.php'),
			array(array(
				'View Subs' => "egw_open('','infolog','list',{action:'sp',action_id:widget.getRoot().getArrayMgr('content').getEntry('info_id')},'infolog','infolog');"
			), 'infolog_subs_option.php')
		);
	}

	/**
	 * A file that is not found or cannot be read should return an array
	 * with an error message, and not error.  It's impossible to deal with an
	 * actual invalid file though, they just cause Fatal Errors.
	 */
	public function testGetOptionsFromMissingFile()
	{
		$options = Customfields::get_options_from_file('totally invalid');
		$this->assertInternalType('array', $options);
		$this->assertCount(1, $options);
	}

	protected function create_private_field()
	{
		// Create field
		$field = array_merge(
			$this->simple_field,
			array(
				'private' => array($GLOBALS['egw_info']['user']['account_id'])
			)
		);
		Customfields::update($field);

		return $field;
	}

	/**
	 * Get another user that we can use to test
	 */
	protected function get_another_user()
	{
		$accounts = $GLOBALS['egw']->accounts->search(array(
			'type'    => 'accounts'
		));
		unset($accounts[$GLOBALS['egw_info']['user']['account_id']]);
		if(count($accounts) == 0)
		{
			$this->markTestSkipped('Need more than one user to check private');
		}
		$other_account = key($accounts);

		if(!$other_account)
		{
			$this->markTestSkipped('Need more than one user to check private');
		}
		return $other_account;
	}
}