<?php

namespace Tests\Unit;

use App\Services\Display;
use Tests\TestCase;

class DisplayTest extends TestCase
{
    public function test_country_code_accepts_alpha_3_alpha_2_and_names(): void
    {
        $display = new Display;

        $this->assertSame('GB', $display->countryCode(['CountryIsoCode' => 'GBR']));
        $this->assertSame('DE', $display->countryCode(['CountryIsoCode' => 'de']));
        $this->assertSame('GB', $display->countryCode(['Country' => 'United Kingdom']));
        $this->assertNull($display->countryCode(['CountryIsoCode' => 'ZZZZ']));
        $this->assertNull($display->countryCode([]));
    }

    public function test_flag_renders_image_or_dash(): void
    {
        $display = new Display;

        $this->assertStringContainsString('flagcdn.com/w40/fr.png', (string) $display->flag(['CountryIsoCode' => 'FRA']));
        $this->assertStringContainsString('—', (string) $display->flag([]));
    }

    public function test_date_times_are_readable_and_drop_midnight(): void
    {
        $display = new Display;

        $this->assertSame('Thu 8 Oct 2026', $display->dateTime('2026-10-08T00:00:00'));
        $this->assertSame('Thu 8 Oct 2026, 14:30', $display->dateTime('2026-10-08T14:30:00'));
        $this->assertSame('—', $display->dateTime(null));
        $this->assertSame('not a date', $display->dateTime('not a date'));
    }
}