<?php
/** @license MIT
 * Copyright 2017 J. King, Dustin Wilson et al.
 * See LICENSE and AUTHORS files for details */

declare(strict_types=1);

namespace JKingWeb\Arsse\TestCase\Database;

use JKingWeb\Arsse\Arsse;
use JKingWeb\Arsse\Test\Result;

trait SeriesFeed {
    protected $matches;

    protected function setUpSeriesFeed(): void {
        // set up the test data
        $past = gmdate("Y-m-d H:i:s", strtotime("now - 1 minute"));
        $future = gmdate("Y-m-d H:i:s", strtotime("now + 1 minute"));
        $now = gmdate("Y-m-d H:i:s", strtotime("now"));
        $this->data = [
            'arsse_users' => [
                'columns' => [
                    'id'       => 'str',
                    'password' => 'str',
                    'num'      => 'int',
                ],
                'rows' => [
                    ["jane.doe@example.com", "",1],
                    ["john.doe@example.com", "",2],
                ],
            ],
            'arsse_icons' => [
                'columns' => [
                    'id'   => "int",
                    'url'  => "str",
                    'type' => "str",
                    'data' => "blob",
                ],
                'rows' => [
                    [1,'http://localhost:8000/Icon/PNG','image/png',base64_decode("iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAAZdEVYdFNvZnR3YXJlAHBhaW50Lm5ldCA0LjAuMjHxIGmVAAAADUlEQVQYV2NgYGBgAAAABQABijPjAAAAAABJRU5ErkJggg==")],
                    [2,'http://localhost:8000/Icon/GIF','image/gif',base64_decode("R0lGODlhAQABAIABAAAAAP///yH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==")],
                    // this actually contains the data of SVG2, which will lead to a row update when retieved
                    [3,'http://localhost:8000/Icon/SVG1','image/svg+xml','<svg xmlns="http://www.w3.org/2000/svg" width="900" height="600"><rect width="900" height="600" fill="#ED2939"/><rect width="600" height="600" fill="#fff"/><rect width="300" height="600" fill="#002395"/></svg>'],
                ],
            ],
            'arsse_feeds' => [
                'columns' => [
                    'id'         => "int",
                    'url'        => "str",
                    'title'      => "str",
                    'err_count'  => "int",
                    'err_msg'    => "str",
                    'modified'   => "datetime",
                    'next_fetch' => "datetime",
                    'size'       => "int",
                    'icon'       => "int",
                ],
                'rows' => [
                    [1,"http://localhost:8000/Feed/Matching/3","Ook",0,"",$past,$past,0,null],
                    [2,"http://localhost:8000/Feed/Matching/1","Eek",5,"There was an error last time",$past,$future,0,null],
                    [3,"http://localhost:8000/Feed/Fetching/Error?code=404","Ack",0,"",$past,$now,0,null],
                    [4,"http://localhost:8000/Feed/NextFetch/NotModified?t=".time(),"Ooook",0,"",$past,$past,0,null],
                    [5,"http://localhost:8000/Feed/Parsing/Valid","Ooook",0,"",$past,$future,0,null],
                    // these feeds all test icon caching
                    [6,"http://localhost:8000/Feed/WithIcon/PNG",null,0,"",$past,$future,0,1], // no change when updated
                    [7,"http://localhost:8000/Feed/WithIcon/GIF",null,0,"",$past,$future,0,1], // icon ID 2 will be assigned to feed when updated
                    [8,"http://localhost:8000/Feed/WithIcon/SVG1",null,0,"",$past,$future,0,3], // icon ID 3 will be modified when updated
                    [9,"http://localhost:8000/Feed/WithIcon/SVG2",null,0,"",$past,$future,0,null], // icon ID 4 will be created and assigned to feed when updated
                ],
            ],
            'arsse_subscriptions' => [
                'columns' => [
                    'id'         => "int",
                    'owner'      => "str",
                    'feed'       => "int",
                    'keep_rule'  => "str",
                    'block_rule' => "str",
                ],
                'rows' => [
                    [1,'john.doe@example.com',1,null,'^Sport$'],
                    [2,'john.doe@example.com',2,"",null],
                    [3,'john.doe@example.com',3,'\w+',null],
                    [4,'john.doe@example.com',4,'\w+',"["], // invalid rule leads to both rules being ignored
                    [5,'john.doe@example.com',5,null,'and/or'],
                    [6,'jane.doe@example.com',1,'^(?i)[a-z]+','3|6'],
                ],
            ],
            'arsse_articles' => [
                'columns' => [
                    'id'                 => "int",
                    'feed'               => "int",
                    'url'                => "str",
                    'title'              => "str",
                    'author'             => "str",
                    'published'          => "datetime",
                    'edited'             => "datetime",
                    'content'            => "str",
                    'guid'               => "str",
                    'url_title_hash'     => "str",
                    'url_content_hash'   => "str",
                    'title_content_hash' => "str",
                    'modified'           => "datetime",
                ],
                'rows' => [
                    [1,1,'http://example.com/1','Article title 1','','2000-01-01 00:00:00','2000-01-01 00:00:00','<p>Article content 1</p>','e433653cef2e572eee4215fa299a4a5af9137b2cefd6283c85bd69a32915beda','f5cb8bfc1c7396dc9816af212a3e2ac5221585c2a00bf7ccb6aabd95dcfcd6a6','fb0bc8f8cb08913dc5a497db700e327f1d34e4987402687d494a5891f24714d4','18fdd4fa93d693128c43b004399e5c9cea6c261ddfa002518d3669f55d8c2207',$past],
                    [2,1,'http://example.com/2','Article title 2','','2000-01-02 00:00:00','2000-01-02 00:00:00','<p>Article content 2</p>','5be8a5a46ecd52ed132191c8d27fb1af6b3d4edc00234c5d9f8f0e10562ed3b7','0e86d2de822a174fe3c44a466953e63ca1f1a58a19cbf475fce0855d4e3d5153','13075894189c47ffcfafd1dfe7fbb539f7c74a69d35a399b3abf8518952714f9','2abd0a8cba83b8214a66c8f0293ba63e467d720540e29ff8ddcdab069d4f1c9e',$past],
                    [3,1,'http://example.com/3','Article title 3','','2000-01-03 00:00:00','2000-01-03 00:00:00','<p>Article content 3</p>','31a6594500a48b59fcc8a075ce82b946c9c3c782460d088bd7b8ef3ede97ad92','f74b06b240bd08abf4d3fdfc20dba6a6f6eb8b4f1a00e9a617efd63a87180a4b','b278380e984cefe63f0e412b88ffc9cb0befdfa06fdc00bace1da99a8daff406','ad622b31e739cd3a3f3c788991082cf4d2f7a8773773008e75f0572e58cd373b',$past],
                    [4,1,'http://example.com/4','Article title 4','','2000-01-04 00:00:00','2000-01-04 00:00:00','<p>Article content 4</p>','804e517d623390e71497982c77cf6823180342ebcd2e7d5e32da1e55b09dd180','f3615c7f16336d3ea242d35cf3fc17dbc4ee3afb78376bf49da2dd7a5a25dec8','f11c2b4046f207579aeb9c69a8c20ca5461cef49756ccfa5ba5e2344266da3b3','ab2da63276acce431250b18d3d49b988b226a99c7faadf275c90b751aee05be9',$past],
                    [5,1,'http://example.com/5','Article title 5','','2000-01-05 00:00:00','2000-01-05 00:00:00','<p>Article content 5</p>','db3e736c2c492f5def5c5da33ddcbea1824040e9ced2142069276b0a6e291a41','d40da96e39eea6c55948ccbe9b3d275b5f931298288dbe953990c5f496097022','834240f84501b5341d375414718204ec421561f3825d34c22bf9182203e42900','43b970ac6ec5f8a9647b2c7e4eed8b1d7f62e154a95eed748b0294c1256764ba',$past],
                    [6,2,'http://example.com/1','Article title 1','','2000-01-01 00:00:00','2000-01-01 00:00:00','<p>Article content 1</p>','e433653cef2e572eee4215fa299a4a5af9137b2cefd6283c85bd69a32915beda','f5cb8bfc1c7396dc9816af212a3e2ac5221585c2a00bf7ccb6aabd95dcfcd6a6','fb0bc8f8cb08913dc5a497db700e327f1d34e4987402687d494a5891f24714d4','18fdd4fa93d693128c43b004399e5c9cea6c261ddfa002518d3669f55d8c2207',$past],
                    [7,5,'',                    '',               '','2000-01-01 00:00:00','2000-01-01 00:00:00','',                        '205e986f4f8b3acfa281227beadb14f5e8c32c8dae4737f888c94c0df49c56f8','',                                                                '',                                                                '',                                                                $past],
                ],
            ],
            'arsse_editions' => [
                'columns' => [
                    'id'       => "int",
                    'article'  => "int",
                    'modified' => "datetime",
                ],
                'rows' => [
                    [1,1,$past],
                    [2,2,$past],
                    [3,3,$past],
                    [4,4,$past],
                    [5,5,$past],
                ],
            ],
            'arsse_marks' => [
                'columns' => [
                    'article'      => "int",
                    'subscription' => "int",
                    'read'         => "bool",
                    'starred'      => "bool",
                    'hidden'       => "bool",
                    'modified'     => "datetime",
                ],
                'rows' => [
                    // Jane's marks
                    [1,6,1,0,0,$past],
                    [2,6,1,0,0,$past],
                    [3,6,1,1,0,$past],
                    [4,6,1,0,1,$past],
                    [5,6,1,1,0,$past],
                    // John's marks
                    [1,1,1,0,0,$past],
                    [3,1,1,0,0,$past],
                    [4,1,0,1,0,$past],
                ],
            ],
            'arsse_enclosures' => [
                'columns' => [
                    'article' => "int",
                    'url'     => "str",
                    'type'    => "str",
                ],
                'rows' => [
                    [7,'http://example.com/png','image/png'],
                ],
            ],
            'arsse_categories' => [
                'columns' => [
                    'article'  => "int",
                    'name'     => "str",
                ],
                'rows' => [
                    [7,'Syrinx'],
                ],
            ],
        ];
        $this->matches = [
            [
                'id'                 => 4,
                'edited'             => '2000-01-04 00:00:00',
                'guid'               => '804e517d623390e71497982c77cf6823180342ebcd2e7d5e32da1e55b09dd180',
                'url_title_hash'     => 'f3615c7f16336d3ea242d35cf3fc17dbc4ee3afb78376bf49da2dd7a5a25dec8',
                'url_content_hash'   => 'f11c2b4046f207579aeb9c69a8c20ca5461cef49756ccfa5ba5e2344266da3b3',
                'title_content_hash' => 'ab2da63276acce431250b18d3d49b988b226a99c7faadf275c90b751aee05be9',
            ],
            [
                'id'                 => 5,
                'edited'             => '2000-01-05 00:00:00',
                'guid'               => 'db3e736c2c492f5def5c5da33ddcbea1824040e9ced2142069276b0a6e291a41',
                'url_title_hash'     => 'd40da96e39eea6c55948ccbe9b3d275b5f931298288dbe953990c5f496097022',
                'url_content_hash'   => '834240f84501b5341d375414718204ec421561f3825d34c22bf9182203e42900',
                'title_content_hash' => '43b970ac6ec5f8a9647b2c7e4eed8b1d7f62e154a95eed748b0294c1256764ba',
            ],
        ];
    }

    protected function tearDownSeriesFeed(): void {
        unset($this->data, $this->matches);
    }

    /** @covers \JKingWeb\Arsse\Database::feedMatchLatest */
    public function testListLatestItems(): void {
        $this->assertResult($this->matches, Arsse::$db->feedMatchLatest(1, 2));
    }

    /** @covers \JKingWeb\Arsse\Database::feedMatchIds */
    public function testMatchItemsById(): void {
        $this->assertResult($this->matches, Arsse::$db->feedMatchIds(1, ['804e517d623390e71497982c77cf6823180342ebcd2e7d5e32da1e55b09dd180','db3e736c2c492f5def5c5da33ddcbea1824040e9ced2142069276b0a6e291a41']));
        foreach ($this->matches as $m) {
            $exp = [$m];
            $this->assertResult($exp, Arsse::$db->feedMatchIds(1, [], [$m['url_title_hash']]));
            $this->assertResult($exp, Arsse::$db->feedMatchIds(1, [], [], [$m['url_content_hash']]));
            $this->assertResult($exp, Arsse::$db->feedMatchIds(1, [], [], [], [$m['title_content_hash']]));
        }
        $this->assertResult([['id' => 1]], Arsse::$db->feedMatchIds(1, ['e433653cef2e572eee4215fa299a4a5af9137b2cefd6283c85bd69a32915beda'])); // this ID appears in both feed 1 and feed 2; only one result should be returned
    }

    /**
     * @dataProvider provideFilterRules
     * @covers \JKingWeb\Arsse\Database::feedRulesGet
     */
    public function testGetRules(int $in, array $exp): void {
        $this->assertSame($exp, Arsse::$db->feedRulesGet($in));
    }

    public function provideFilterRules(): iterable {
        return [
            [1, ['jane.doe@example.com' => ['keep' => "`^(?i)[a-z]+`u", 'block' => "`3|6`u"], 'john.doe@example.com' => ['keep' => "", 'block' => "`^Sport$`u"]]],
            [2, []],
            [3, ['john.doe@example.com' => ['keep' => '`\w+`u', 'block' => ""]]],
            [4, []],
            [5, ['john.doe@example.com' => ['keep' => "", 'block' => "`and/or`u"]]],
        ];
    }

    /** @covers \JKingWeb\Arsse\Database::feedUpdate */
    public function testUpdateAFeed(): void {
        // update a valid feed with both new and changed items
        Arsse::$db->feedUpdate(1);
        $now = gmdate("Y-m-d H:i:s");
        $state = $this->primeExpectations($this->data, [
            'arsse_articles' => ["id", "feed","url","title","author","published","edited","content","guid","url_title_hash","url_content_hash","title_content_hash","modified"],
            'arsse_editions' => ["id","article","modified"],
            'arsse_marks'    => ["subscription","article","read","starred","hidden","modified"],
            'arsse_feeds'    => ["id","size"],
        ]);
        $state['arsse_articles']['rows'][2] = [3,1,'http://example.com/3','Article title 3 (updated)','','2000-01-03 00:00:00','2000-01-03 00:00:00','<p>Article content 3</p>','31a6594500a48b59fcc8a075ce82b946c9c3c782460d088bd7b8ef3ede97ad92','6cc99be662ef3486fef35a890123f18d74c29a32d714802d743c5b4ef713315a','b278380e984cefe63f0e412b88ffc9cb0befdfa06fdc00bace1da99a8daff406','d5faccc13bf8267850a1e8e61f95950a0f34167df2c8c58011c0aaa6367026ac',$now];
        $state['arsse_articles']['rows'][3] = [4,1,'http://example.com/4','Article title 4','','2000-01-04 00:00:00','2000-01-04 00:00:01','<p>Article content 4</p>','804e517d623390e71497982c77cf6823180342ebcd2e7d5e32da1e55b09dd180','f3615c7f16336d3ea242d35cf3fc17dbc4ee3afb78376bf49da2dd7a5a25dec8','f11c2b4046f207579aeb9c69a8c20ca5461cef49756ccfa5ba5e2344266da3b3','ab2da63276acce431250b18d3d49b988b226a99c7faadf275c90b751aee05be9',$now];
        $state['arsse_articles']['rows'][] = [8,1,'http://example.com/6','Article title 6','','2000-01-06 00:00:00','2000-01-06 00:00:00','<p>Article content 6</p>','b3461ab8e8759eeb1d65a818c65051ec00c1dfbbb32a3c8f6999434e3e3b76ab','91d051a8e6749d014506848acd45e959af50bf876427c4f0e3a1ec0f04777b51','211d78b1a040d40d17e747a363cc283f58767b2e502630d8de9b8f1d5e941d18','5ed68ccb64243b8c1931241d2c9276274c3b1d87f223634aa7a1ab0141292ca7',$now];
        $state['arsse_editions']['rows'] = array_merge($state['arsse_editions']['rows'], [
            [6,8,$now],
            [7,3,$now],
            [8,4,$now],
        ]);
        $state['arsse_marks']['rows'][2] = [6,3,0,1,1,$now];
        $state['arsse_marks']['rows'][3] = [6,4,0,0,0,$now];
        $state['arsse_marks']['rows'][6] = [1,3,0,0,0,$now];
        $state['arsse_marks']['rows'][] = [6,8,0,0,1,null];
        $state['arsse_feeds']['rows'][0] = [1,6];
        $this->compareExpectations(static::$drv, $state);
        // update a valid feed which previously had an error
        Arsse::$db->feedUpdate(2);
        // update an erroneous feed which previously had no errors
        Arsse::$db->feedUpdate(3);
        $state = $this->primeExpectations($this->data, [
            'arsse_feeds' => ["id","err_count","err_msg"],
        ]);
        $state['arsse_feeds']['rows'][1] = [2,0,""];
        $state['arsse_feeds']['rows'][2] = [3,1,'Feed URL "http://localhost:8000/Feed/Fetching/Error?code=404" is invalid'];
        $this->compareExpectations(static::$drv, $state);
        // update the bad feed again, twice
        Arsse::$db->feedUpdate(3);
        Arsse::$db->feedUpdate(3);
        $state['arsse_feeds']['rows'][2] = [3,3,'Feed URL "http://localhost:8000/Feed/Fetching/Error?code=404" is invalid'];
        $this->compareExpectations(static::$drv, $state);
    }

    /** @covers \JKingWeb\Arsse\Database::feedUpdate */
    public function testUpdateAMissingFeed(): void {
        $this->assertException("subjectMissing", "Db", "ExceptionInput");
        Arsse::$db->feedUpdate(2112);
    }

    /** @covers \JKingWeb\Arsse\Database::feedUpdate */
    public function testUpdateAnInvalidFeed(): void {
        $this->assertException("typeViolation", "Db", "ExceptionInput");
        Arsse::$db->feedUpdate(-1);
    }

    /** @covers \JKingWeb\Arsse\Database::feedUpdate */
    public function testUpdateAFeedThrowingExceptions(): void {
        $this->assertException("invalidUrl", "Feed");
        Arsse::$db->feedUpdate(3, true);
    }

    /** @covers \JKingWeb\Arsse\Database::feedUpdate */
    public function testUpdateAFeedWithEnclosuresAndCategories(): void {
        Arsse::$db->feedUpdate(5);
        $state = $this->primeExpectations($this->data, [
            'arsse_enclosures' => ["url","type"],
            'arsse_categories' => ["name"],
        ]);
        $state['arsse_enclosures']['rows'] = [
            ['http://example.com/svg','image/svg'],
            ['http://example.com/text','text/plain'],
        ];
        $state['arsse_categories']['rows'] = [
            ["HLN"],
            ["Aniki!"],
            ["Beams"],
            ["Bodybuilders"],
            ["Men"],
        ];
        $this->compareExpectations(static::$drv, $state);
    }

    /** @covers \JKingWeb\Arsse\Database::feedListStale */
    public function testListStaleFeeds(): void {
        $this->assertEquals([1,3,4], Arsse::$db->feedListStale());
        Arsse::$db->feedUpdate(3);
        Arsse::$db->feedUpdate(4);
        $this->assertEquals([1], Arsse::$db->feedListStale());
    }

    /** @covers \JKingWeb\Arsse\Database::feedUpdate */
    public function testCheckIconDuringFeedUpdate(): void {
        Arsse::$db->feedUpdate(6);
        $state = $this->primeExpectations($this->data, [
            'arsse_icons' => ["id","url","type","data"],
            'arsse_feeds' => ["id", "icon"],
        ]);
        $this->compareExpectations(static::$drv, $state);
    }

    /** @covers \JKingWeb\Arsse\Database::feedUpdate */
    public function testAssignIconDuringFeedUpdate(): void {
        Arsse::$db->feedUpdate(7);
        $state = $this->primeExpectations($this->data, [
            'arsse_icons' => ["id","url","type","data"],
            'arsse_feeds' => ["id", "icon"],
        ]);
        $state['arsse_feeds']['rows'][6][1] = 2;
        $this->compareExpectations(static::$drv, $state);
    }

    /** @covers \JKingWeb\Arsse\Database::feedUpdate */
    public function testChangeIconDuringFeedUpdate(): void {
        Arsse::$db->feedUpdate(8);
        $state = $this->primeExpectations($this->data, [
            'arsse_icons' => ["id","url","type","data"],
            'arsse_feeds' => ["id", "icon"],
        ]);
        $state['arsse_icons']['rows'][2][3] = '<svg xmlns="http://www.w3.org/2000/svg" width="900" height="600"><rect fill="#fff" height="600" width="900"/><circle fill="#bc002d" cx="450" cy="300" r="180"/></svg>';
        $this->compareExpectations(static::$drv, $state);
    }

    /** @covers \JKingWeb\Arsse\Database::feedUpdate */
    public function testAddIconDuringFeedUpdate(): void {
        Arsse::$db->feedUpdate(9);
        $state = $this->primeExpectations($this->data, [
            'arsse_icons' => ["id","url","type","data"],
            'arsse_feeds' => ["id", "icon"],
        ]);
        $state['arsse_feeds']['rows'][8][1] = 4;
        $state['arsse_icons']['rows'][] = [4,'http://localhost:8000/Icon/SVG2','image/svg+xml','<svg xmlns="http://www.w3.org/2000/svg" width="900" height="600"><rect width="900" height="600" fill="#ED2939"/><rect width="600" height="600" fill="#fff"/><rect width="300" height="600" fill="#002395"/></svg>'];
        $this->compareExpectations(static::$drv, $state);
    }

    /** @covers \JKingWeb\Arsse\Database::feedUpdate */
    public function testUpdateUnmodifiedFeed(): void {
        $this->markTestIncomplete("FIXME: there is a bug here around calculation of nextFetch date");
        $state = $this->primeExpectations($this->data, [
            'arsse_icons'         => ["id", "url", "type", "data"],
            'arsse_feeds'         => ["id", "url", "title", "err_count", "err_msg", "modified", "next_fetch", "size", "icon"],
            'arsse_subscriptions' => ["id", "owner", "feed", "keep_rule", "block_rule"],
            'arsse_articles'      => ["id", "feed", "url", "title", "author", "published", "edited", "content", "guid", "url_title_hash", "url_content_hash", "title_content_hash", "modified"],
            'arsse_editions'      => ["id", "article", "modified"],
            'arsse_marks'         => ["article", "subscription", "read", "starred", "hidden", "modified"],
            'arsse_enclosures'    => ["article", "url", "type"],
            'arsse_categories'    => ["article", "name"],
        ]);
        Arsse::$db->feedUpdate(4);
        $this->compareExpectations(static::$drv, $state);
    }
}