<?php

/**
 * Class parserutils_set_metadata_test
 */
class parserutils_set_metadata_test extends DokuWikiTest {
    // the id used for this test case
    private $id;

    /**
     * Set up fake user environment with for the gieven user
     *
     * @param string $user
     */
    function helper_prepare_user($user = '1') {
        global $INFO, $USERINFO;

        // prepare fake users
        static $users = [
            '1' => [
                'pass' => '179ad45c6ce2cb97cf1029e212046e81',
                'name' => 'Tester1',
                'mail' => 'tester1@example.com',
                'grps' => array('admin', 'user'),
            ]
            ,
            'tester2' => [
                'pass' => '179ad45c6ce2cb97cf1029e212046e81',
                'name' => 'Tester2',
                'mail' => 'tester2@example.com',
                'grps' => array('user'),
            ]
        ];
        if(!isset($users[$user])) throw new RuntimeException('requested non-existing user');

        // set up globals
        $_SERVER['REMOTE_ADDR'] = '1.2.3.4';
        $USERINFO = $users[$user];
        $INFO['userinfo'] = $USERINFO;
        $_SERVER['REMOTE_USER'] = $user;
    }

    /**
     *  test array merge, including contributors with numeric keys and array data overwritting
     */
    function test_array_replace(){
        // prepare user
        $this->helper_prepare_user('1');

        // prepare page
        $this->id = 'test:set_metadata_array_replace';
        saveWikiText($this->id, 'Test', 'Test data setup');
        $meta = p_get_metadata($this->id);

        $this->assertEquals('1', $meta['user'], 'Initial page has wrong user ID');
        // $this->assertEquals(empty($meta['contributor']), true, 'Initial page should have no contributors');

        // first revision with numeric user
        $this->waitForTick();
        saveWikiText($this->id, 'Test1', 'Test first edit');
        $meta = p_get_metadata($this->id);

        $last_edit_date = $meta['date']['modified'];
        $this->assertEquals(array('1'=>'Tester1'), $meta['contributor'], 'First edit contributors error');

        // second revision with alphabetic user
        $this->waitForTick();
        $this->helper_prepare_user('tester2');
        saveWikiText($this->id, 'Test2', 'Test second edit');
        $meta = p_get_metadata($this->id);

        $this->assertNotEquals($last_edit_date, $meta['date']['modified'], 'First edit date merge error');
        $this->assertEquals(array('tester2'=>'Tester2', '1'=>'Tester1'), $meta['contributor'], 'Second edit contributors error');

        // third revision with the first user
        $this->waitForTick();
        $this->helper_prepare_user('1');
        saveWikiText($this->id, 'Test3', 'Test third edit');
        $meta = p_get_metadata($this->id);

        $this->assertEquals(array('tester2'=>'Tester2', '1'=>'Tester1'), $meta['contributor'], 'Third edit contributors error');
    }
}