<?php declare(strict_types=1);

namespace Tests\Unit;

use BitBadger\PDODocument\Configuration;
use BitBadger\PDODocument\DocumentException;
use BitBadger\PDODocument\Field;
use BitBadger\PDODocument\Mode;
use BitBadger\PDODocument\Parameters;
use PHPUnit\Framework\Attributes\TestDox;
use PHPUnit\Framework\TestCase;

/**
 * Unit tests for the Parameters class
 */
class ParametersTest extends TestCase
{
    #[TestDox('ID succeeds with string')]
    public function testIdSucceedsWithString(): void
    {
        $this->assertEquals(['@id' => 'key'], Parameters::id('key'), 'ID parameter not constructed correctly');
    }

    #[TestDox('ID succeeds with non string')]
    public function testIdSucceedsWithNonString(): void
    {
        $this->assertEquals(['@id' => '7'], Parameters::id(7), 'ID parameter not constructed correctly');
    }

    public function testJsonSucceeds(): void
    {
        $this->assertEquals(['@it' => '{"id":18,"url":"https://www.unittest.com"}'],
            Parameters::json('@it', ['id' => 18, 'url' => 'https://www.unittest.com']),
            'JSON parameter not constructed correctly');
    }

    public function testNameFieldsSucceeds(): void
    {
        $named = Parameters::nameFields([Field::EQ('it', 17), Field::EQ('also', 22, '@also'), Field::EQ('other', 24)]);
        $this->assertCount(3, $named, 'There should be 3 parameters in the array');
        $this->assertEquals('@field0', $named[0]->paramName, 'Parameter 1 not named correctly');
        $this->assertEquals('@also', $named[1]->paramName, 'Parameter 2 not named correctly');
        $this->assertEquals('@field2', $named[2]->paramName, 'Parameter 3 not named correctly');
    }

    public function testAddFieldsSucceeds(): void
    {
        $this->assertEquals(['@a' => 1, '@b' => 'two', '@z' => 18],
            Parameters::addFields([Field::EQ('b', 'two', '@b'), Field::EQ('z', 18, '@z')], ['@a' => 1]),
            'Field parameters not added correctly');
    }

    #[TestDox('Field names succeeds for PostgreSQL')]
    public function testFieldNamesSucceedsForPostgreSQL(): void
    {
        try {
            Configuration::$mode = Mode::PgSQL;
            $this->assertEquals(['@names' => "ARRAY['one','two','seven']"],
                Parameters::fieldNames('@names', ['one', 'two', 'seven']), 'Field name parameters not correct');
        } finally {
            Configuration::$mode = null;
        }
    }

    #[TestDox('Field names succeeds for SQLite')]
    public function testFieldNamesSucceedsForSQLite(): void
    {
        try {
            Configuration::$mode = Mode::SQLite;
            $this->assertEquals(['@it0' => 'test', '@it1' => 'unit', '@it2' => 'wow'],
                Parameters::fieldNames('@it', ['test', 'unit', 'wow']), 'Field name parameters not correct');
        } finally {
            Configuration::$mode = null;
        }
    }

    public function testFieldNamesFailsWhenModeNotSet(): void
    {
        $this->expectException(DocumentException::class);
        Configuration::$mode = null;
        Parameters::fieldNames('', []);
    }
}