<?php
/**
 * SeekQuarry/Yioop --
 * Open Source Pure PHP Search Engine, Crawler, and Indexer
 *
 * Copyright (C) 2009 - 2026  Chris Pollett chris@pollett.org
 *
 * LICENSE:
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 *
 * END LICENSE
 *
 * @author Chris Pollett chris@pollett.org
 * @license https://www.gnu.org/licenses/ GPL3
 * @link https://www.seekquarry.com/
 * @copyright 2009 - 2026
 * @filesource
 */
namespace seekquarry\yioop\tests;

use seekquarry\yioop\configs as C;
use seekquarry\yioop\library\UnitTest;
use seekquarry\yioop\models\MailSuppressionModel;
use seekquarry\yioop\models\ProfileModel;
use seekquarry\yioop\models\datasources\Sqlite3Manager;

/**
 * Tests the site-wide mail suppression list: that an address can be added
 * and found, that matching ignores case, that an address can be removed,
 * and that empty input is rejected rather than stored.
 *
 * @author Chris Pollett
 */
class MailSuppressionModelTest extends UnitTest
{
    /**
     * Throwaway SQLite database holding the suppression table
     * @var object
     */
    public $db;
    /**
     * File path of the throwaway database
     * @var string
     */
    public $db_path;
    /**
     * MailSuppressionModel pointed at the throwaway database
     * @var object
     */
    public $model;
    /**
     * Builds a throwaway database with an empty MAIL_SUPPRESSION table and
     * a model wired to use it.
     */
    public function setUp()
    {
        $tag = getmypid() . "_" . random_int(1000, 9999);
        $this->db_path = C\WORK_DIRECTORY . "/temp/mail_suppress_$tag.db";
        $this->db = new Sqlite3Manager();
        $this->db->connect("", "", "", $this->db_path);
        /* Build the table from ProfileModel's definition, the same one the
           live database uses, so this test tracks any schema change rather
           than a hand-copied CREATE TABLE that could drift. */
        $dbinfo = ["DBMS" => "Sqlite3", "DB_HOST" => ""];
        $profile = new ProfileModel(C\DB_NAME, false);
        $profile->initializeSql($this->db, $dbinfo);
        $this->db->execute($profile->create_statements['MAIL_SUPPRESSION']);
        $this->db->execute("CREATE UNIQUE INDEX MAIL_SUPPRESSION_IDX ON
            MAIL_SUPPRESSION (EMAIL)");
        $this->model = new MailSuppressionModel(C\DB_NAME, false);
        $this->model->db = $this->db;
    }
    /**
     * Removes the throwaway database.
     */
    public function tearDown()
    {
        if ($this->db) {
            $this->db->disconnect();
            /* Evict this test's own handle (keyed by file path) so a
               reused scratch-file name in a later test opens fresh
               rather than reusing this still-cached connection; a plain
               disconnect does not evict. Shared handles are untouched. */
            unset(Sqlite3Manager::$active_connections[
                $this->db->connect_string]);
        }
        if ($this->db_path && file_exists($this->db_path)) {
            unlink($this->db_path);
        }
    }
    /**
     * An address is not suppressed until added, is found once added, and a
     * second add reports that nothing new was stored.
     */
    public function suppressAndCheckTestCase()
    {
        $this->assertFalse($this->model->isSuppressed("a@b.com"),
            "an unknown address is not suppressed");
        $this->assertTrue($this->model->suppress("a@b.com"),
            "adding a new address reports a row was stored");
        $this->assertTrue($this->model->isSuppressed("a@b.com"),
            "the added address is now suppressed");
        $this->assertFalse($this->model->suppress("a@b.com"),
            "adding the same address again stores nothing");
    }
    /**
     * Matching an address ignores letter case in both directions.
     */
    public function caseInsensitiveTestCase()
    {
        $this->model->suppress("Foo@Bar.com");
        $this->assertTrue($this->model->isSuppressed("foo@bar.com"),
            "a lower-case spelling matches the stored address");
        $this->assertTrue($this->model->isSuppressed("FOO@BAR.COM"),
            "an upper-case spelling matches the stored address");
    }
    /**
     * A removed address is no longer suppressed, and removal ignores case.
     */
    public function unsuppressTestCase()
    {
        $this->model->suppress("x@y.com");
        $this->model->unsuppress("X@Y.COM");
        $this->assertFalse($this->model->isSuppressed("x@y.com"),
            "a removed address is no longer suppressed");
    }
    /**
     * Empty or blank input is rejected rather than stored.
     */
    public function emptyEmailTestCase()
    {
        $this->assertFalse($this->model->isSuppressed(""),
            "an empty address is never suppressed");
        $this->assertFalse($this->model->suppress(""),
            "an empty address is not stored");
        $this->assertFalse($this->model->suppress("   "),
            "a blank address is not stored");
    }
}