<?php declare (strict_types=1);

namespace Sabre\CardDAV\Backend;

use Sabre\CardDAV;
use Sabre\DAV\PropPatch;

abstract class AbstractPDOTest extends \PHPUnit\Framework\TestCase {

    use \Sabre\DAV\DbTestHelperTrait;

    /**
     * @var CardDAV\Backend\PDO
     */
    protected $backend;

    function setUp() {

        $this->dropTables([
            'addressbooks',
            'cards',
            'addressbookchanges',
        ]);
        $this->createSchema('addressbooks');
        $pdo = $this->getPDO();

        $this->backend = new PDO($pdo);
        $pdo->exec("INSERT INTO addressbooks (principaluri, displayname, uri, description, synctoken) VALUES ('principals/user1', 'book1', 'book1', 'addressbook 1', 1)");
        $pdo->exec("INSERT INTO cards (addressbookid, carddata, uri, lastmodified, etag, size) VALUES (1, 'card1', 'card1', 0, '" . md5('card1') . "', 5)");

    }

    function testGetAddressBooksForUser() {

        $result = $this->backend->getAddressBooksForUser('principals/user1');

        $expected = [
            [
                'id'                                                          => 1,
                'uri'                                                         => 'book1',
                'principaluri'                                                => 'principals/user1',
                '{DAV:}displayname'                                           => 'book1',
                '{' . CardDAV\Plugin::NS_CARDDAV . '}addressbook-description' => 'addressbook 1',
                '{http://calendarserver.org/ns/}getctag'                      => 1,
                '{http://sabredav.org/ns}sync-token'                          => 1
            ]
        ];

        $this->assertEquals($expected, $result);

    }

    function testUpdateAddressBookInvalidProp() {

        $propPatch = new PropPatch([
            '{DAV:}displayname'                                           => 'updated',
            '{' . CardDAV\Plugin::NS_CARDDAV . '}addressbook-description' => 'updated',
            '{DAV:}foo'                                                   => 'bar',
        ]);

        $this->backend->updateAddressBook(1, $propPatch);
        $result = $propPatch->commit();

        $this->assertFalse($result);

        $result = $this->backend->getAddressBooksForUser('principals/user1');

        $expected = [
            [
                'id'                                                          => 1,
                'uri'                                                         => 'book1',
                'principaluri'                                                => 'principals/user1',
                '{DAV:}displayname'                                           => 'book1',
                '{' . CardDAV\Plugin::NS_CARDDAV . '}addressbook-description' => 'addressbook 1',
                '{http://calendarserver.org/ns/}getctag'                      => 1,
                '{http://sabredav.org/ns}sync-token'                          => 1
            ]
        ];

        $this->assertEquals($expected, $result);

    }

    function testUpdateAddressBookNoProps() {

        $propPatch = new PropPatch([
        ]);

        $this->backend->updateAddressBook(1, $propPatch);
        $result = $propPatch->commit();
        $this->assertTrue($result);

        $result = $this->backend->getAddressBooksForUser('principals/user1');

        $expected = [
            [
                'id'                                                          => 1,
                'uri'                                                         => 'book1',
                'principaluri'                                                => 'principals/user1',
                '{DAV:}displayname'                                           => 'book1',
                '{' . CardDAV\Plugin::NS_CARDDAV . '}addressbook-description' => 'addressbook 1',
                '{http://calendarserver.org/ns/}getctag'                      => 1,
                '{http://sabredav.org/ns}sync-token'                          => 1
            ]
        ];

        $this->assertEquals($expected, $result);


    }

    function testUpdateAddressBookSuccess() {

        $propPatch = new PropPatch([
            '{DAV:}displayname'                                           => 'updated',
            '{' . CardDAV\Plugin::NS_CARDDAV . '}addressbook-description' => 'updated',
        ]);

        $this->backend->updateAddressBook(1, $propPatch);
        $result = $propPatch->commit();

        $this->assertTrue($result);

        $result = $this->backend->getAddressBooksForUser('principals/user1');

        $expected = [
            [
                'id'                                                          => 1,
                'uri'                                                         => 'book1',
                'principaluri'                                                => 'principals/user1',
                '{DAV:}displayname'                                           => 'updated',
                '{' . CardDAV\Plugin::NS_CARDDAV . '}addressbook-description' => 'updated',
                '{http://calendarserver.org/ns/}getctag'                      => 2,
                '{http://sabredav.org/ns}sync-token'                          => 2
            ]
        ];

        $this->assertEquals($expected, $result);


    }

    function testDeleteAddressBook() {

        $this->backend->deleteAddressBook(1);

        $this->assertEquals([], $this->backend->getAddressBooksForUser('principals/user1'));

    }

    /**
     * @expectedException Sabre\DAV\Exception\BadRequest
     */
    function testCreateAddressBookUnsupportedProp() {

        $this->backend->createAddressBook('principals/user1', 'book2', [
            '{DAV:}foo' => 'bar',
        ]);

    }

    function testCreateAddressBookSuccess() {

        $this->backend->createAddressBook('principals/user1', 'book2', [
            '{DAV:}displayname'                                           => 'book2',
            '{' . CardDAV\Plugin::NS_CARDDAV . '}addressbook-description' => 'addressbook 2',
        ]);

        $expected = [
            [
                'id'                                                          => 1,
                'uri'                                                         => 'book1',
                'principaluri'                                                => 'principals/user1',
                '{DAV:}displayname'                                           => 'book1',
                '{' . CardDAV\Plugin::NS_CARDDAV . '}addressbook-description' => 'addressbook 1',
                '{http://calendarserver.org/ns/}getctag'                      => 1,
                '{http://sabredav.org/ns}sync-token'                          => 1,
            ],
            [
                'id'                                                          => 2,
                'uri'                                                         => 'book2',
                'principaluri'                                                => 'principals/user1',
                '{DAV:}displayname'                                           => 'book2',
                '{' . CardDAV\Plugin::NS_CARDDAV . '}addressbook-description' => 'addressbook 2',
                '{http://calendarserver.org/ns/}getctag'                      => 1,
                '{http://sabredav.org/ns}sync-token'                          => 1,
            ]
        ];
        $result = $this->backend->getAddressBooksForUser('principals/user1');
        $this->assertEquals($expected, $result);

    }

    function testGetCards() {

        $result = $this->backend->getCards(1);

        $expected = [
            [
                'id'           => 1,
                'uri'          => 'card1',
                'lastmodified' => 0,
                'etag'         => '"' . md5('card1') . '"',
                'size'         => 5
            ]
        ];

        $this->assertEquals($expected, $result);

    }

    function testGetCard() {

        $result = $this->backend->getCard(1, 'card1');

        $expected = [
            'id'           => 1,
            'uri'          => 'card1',
            'carddata'     => 'card1',
            'lastmodified' => 0,
            'etag'         => '"' . md5('card1') . '"',
            'size'         => 5
        ];

        if (is_resource($result['carddata'])) {
            $result['carddata'] = stream_get_contents($result['carddata']);
        }

        $this->assertEquals($expected, $result);

    }

    /**
     * @depends testGetCard
     */
    function testCreateCard() {

        $result = $this->backend->createCard(1, 'card2', 'data2');
        $this->assertEquals('"' . md5('data2') . '"', $result);
        $result = $this->backend->getCard(1, 'card2');
        $this->assertEquals(2, $result['id']);
        $this->assertEquals('card2', $result['uri']);
        if (is_resource($result['carddata'])) {
            $result['carddata'] = stream_get_contents($result['carddata']);
        }
        $this->assertEquals('data2', $result['carddata']);

    }

    /**
     * @depends testCreateCard
     */
    function testGetMultiple() {

        $result = $this->backend->createCard(1, 'card2', 'data2');
        $result = $this->backend->createCard(1, 'card3', 'data3');
        $check = [
            [
                'id'           => 1,
                'uri'          => 'card1',
                'carddata'     => 'card1',
                'lastmodified' => 0,
            ],
            [
                'id'           => 2,
                'uri'          => 'card2',
                'carddata'     => 'data2',
                'lastmodified' => time(),
            ],
            [
                'id'           => 3,
                'uri'          => 'card3',
                'carddata'     => 'data3',
                'lastmodified' => time(),
            ],
        ];

        $result = $this->backend->getMultipleCards(1, ['card1', 'card2', 'card3']);

        foreach ($check as $index => $node) {

            foreach ($node as $k => $v) {

                $expected = $v;
                $actual = $result[$index][$k];

                switch ($k) {
                    case 'lastmodified' :
                        $this->assertInternalType('int', $actual);
                        break;
                    case 'carddata' :
                        if (is_resource($actual)) {
                            $actual = stream_get_contents($actual);
                        }
                        // No break intended.
                    default :
                        $this->assertEquals($expected, $actual);
                        break;
                }

            }

        }


    }

    /**
     * @depends testGetCard
     */
    function testUpdateCard() {

        $result = $this->backend->updateCard(1, 'card1', 'newdata');
        $this->assertEquals('"' . md5('newdata') . '"', $result);

        $result = $this->backend->getCard(1, 'card1');
        $this->assertEquals(1, $result['id']);
        if (is_resource($result['carddata'])) {
            $result['carddata'] = stream_get_contents($result['carddata']);
        }
        $this->assertEquals('newdata', $result['carddata']);

    }

    /**
     * @depends testGetCard
     */
    function testDeleteCard() {

        $this->backend->deleteCard(1, 'card1');
        $result = $this->backend->getCard(1, 'card1');
        $this->assertFalse($result);

    }

    function testGetChanges() {

        $backend = $this->backend;
        $id = $backend->createAddressBook(
            'principals/user1',
            'bla',
            []
        );
        $result = $backend->getChangesForAddressBook($id, null, 1);

        $this->assertEquals([
            'syncToken' => 1,
            "added"     => [],
            'modified'  => [],
            'deleted'   => [],
        ], $result);

        $currentToken = $result['syncToken'];

        $dummyCard = "BEGIN:VCARD\r\nEND:VCARD\r\n";

        $backend->createCard($id, "card1.ics", $dummyCard);
        $backend->createCard($id, "card2.ics", $dummyCard);
        $backend->createCard($id, "card3.ics", $dummyCard);
        $backend->updateCard($id, "card1.ics", $dummyCard);
        $backend->deleteCard($id, "card2.ics");

        $result = $backend->getChangesForAddressBook($id, $currentToken, 1);

        $this->assertEquals([
            'syncToken' => 6,
            'modified'  => ["card1.ics"],
            'deleted'   => ["card2.ics"],
            "added"     => ["card3.ics"],
        ], $result);

    }
}