<?php
namespace Tests\Unit\Domain\Settings;

use Domain\Settings\SettingsRepository;
use PHPUnit\Framework\TestCase;

class SettingsRepositoryTest extends TestCase
{
    private function mockDb(): object
    {
        return $this->createMock(\medoo::class);
    }

    protected function setUp(): void
    {
        \Shared\Cache\CacheHandler::reset();
    }

    // --- allSettings ---

    public function testAllSettingsReturnsMappedArray(): void
    {
        $db = $this->mockDb();
        $db->method('select')->willReturn([
            ['param' => 'site_name', 'value' => 'Test CMS'],
            ['param' => 'email',     'value' => 'admin@test.pl'],
        ]);

        $repo   = new SettingsRepository($db);
        $result = $repo->allSettings();

        $this->assertSame('Test CMS',      $result['site_name']);
        $this->assertSame('admin@test.pl', $result['email']);
    }

    public function testAllSettingsReturnsEmptyArrayWhenDbReturnsNull(): void
    {
        $db = $this->mockDb();
        $db->method('select')->willReturn(null);

        $repo = new SettingsRepository($db);
        $this->assertSame([], $repo->allSettings());
    }

    public function testAllSettingsUsesCache(): void
    {
        $db = $this->mockDb();
        $db->expects($this->never())->method('select');

        \Shared\Cache\CacheHandler::store('settings_details', ['cached' => '1']);

        $repo   = new SettingsRepository($db);
        $result = $repo->allSettings();

        $this->assertSame('1', $result['cached']);
    }

    // --- update ---

    public function testUpdateCallsDbUpdateWhenParamExists(): void
    {
        $db = $this->mockDb();
        $db->method('count')->willReturn(1);
        $db->expects($this->once())->method('update')->willReturn(true);
        $db->expects($this->never())->method('insert');

        $repo = new SettingsRepository($db);
        $this->assertTrue($repo->update('site_name', 'Nowa Nazwa'));
    }

    public function testUpdateCallsDbInsertWhenParamMissing(): void
    {
        $db = $this->mockDb();
        $db->method('count')->willReturn(0);
        $db->expects($this->once())->method('insert')->willReturn(true);
        $db->expects($this->never())->method('update');

        $repo = new SettingsRepository($db);
        $repo->update('new_param', 'value');
    }

    // --- visitCounter ---

    public function testVisitCounterReturnsValue(): void
    {
        $db = $this->mockDb();
        $db->method('get')->willReturn('1234');

        $repo = new SettingsRepository($db);
        $this->assertSame('1234', $repo->visitCounter());
    }

    public function testVisitCounterReturnsNullWhenEmpty(): void
    {
        $db = $this->mockDb();
        $db->method('get')->willReturn(null);

        $repo = new SettingsRepository($db);
        $this->assertNull($repo->visitCounter());
    }
}