<?php

namespace Tests\Feature\Polls;

use App\Http\Livewire\Polls\PollForm;
use App\Mail\PollReceiptMail;
use App\Models\Admin;
use App\Models\Poll;
use App\Models\PollQuestion;
use App\Models\User;
use Illuminate\Foundation\Testing\DatabaseTransactions;
use Illuminate\Support\Facades\DB;
use Livewire\Livewire;
use Symfony\Component\Finder\Finder;
use Tests\TestCase;

/**
 * Every string the poll code translates exists in all language files.
 */
class PollTranslationsTest extends TestCase
{
    use DatabaseTransactions;

    private const LOCALES = ['en', 'nl', 'de', 'es', 'fr'];

    protected function setUp(): void
    {
        parent::setUp();

        // phpunit.xml configures Redis, which is the dev site's cache too
        config(['cache.default' => 'array']);
    }

    /** @return array<int, string> */
    private function pollStrings(): array
    {
        $finder = (new Finder())->files()->in([
            app_path('Polls'),
            app_path('Http/Livewire/Polls'),
            resource_path('views/polls'),
            resource_path('views/livewire/polls'),
            resource_path('views/emails/polls'),
        ])->append([app_path('Mail/PollReceiptMail.php'), app_path('Http/Controllers/PollVerificationController.php'), resource_path('views/emails/newsletter/blocks/poll.blade.php')]);

        $strings = [];
        foreach ($finder as $file) {
            preg_match_all('/(?:__|trans_choice)\(\s*([\'"])((?:\\\\.|(?!\1).)*)\1/s', file_get_contents($file->getPathname()), $matches, PREG_SET_ORDER);
            foreach ($matches as $match) {
                $string = stripslashes($match[2]);
                if (!str_starts_with($string, 'validation.')) {
                    $strings[$string] = true;
                }
            }
        }

        // Used outside the poll folders: navigation menu and the posts table
        $strings['Polls'] = true;
        $strings['Edit poll'] = true;
        $strings['Editorial'] = true;
        $strings['Administration'] = true;
        $strings['Log in to take part in this poll.'] = true;
        $strings['Log in'] = true;
        $strings['Poll'] = true;
        $strings['Read-only'] = true;
        $strings['Polls created (as draft)'] = true;
        $strings['Not overwritten: poll has votes'] = true;
        // Ballot list labels, picked from an array in polls/verify.blade.php
        foreach (['Vote', 'Changed vote', 'Withdrawal', 'Seal'] as $label) {
            $strings[$label] = true;
        }
        $strings['This post belongs to a poll that is no longer a draft, so its content cannot be changed. Settings of the poll can be changed on the Polls page.'] = true;
        $strings['Read-only: this poll is no longer a draft'] = true;

        return array_keys($strings);
    }

    public function test_all_poll_strings_are_translated(): void
    {
        $strings = $this->pollStrings();
        $this->assertGreaterThan(50, count($strings), 'String extraction found too little');

        foreach (self::LOCALES as $locale) {
            $translations = json_decode(file_get_contents(lang_path("$locale.json")), true, 512, JSON_THROW_ON_ERROR);
            $missing = array_values(array_diff($strings, array_keys($translations)));
            $this->assertSame([], $missing, "Missing in $locale.json");
        }
    }

    public function test_form_and_receipt_mail_render_in_dutch(): void
    {
        $postId = DB::table('posts')->insertGetId([
            'postable_id' => 1, 'postable_type' => Admin::class, 'created_at' => now(), 'updated_at' => now(),
        ]);
        $poll = Poll::create(['post_id' => $postId, 'status' => Poll::STATUS_OPEN]);
        PollQuestion::create([
            'poll_id' => $poll->id, 'type' => 'yes_no_conditional', 'required' => true,
            'label' => ['en' => 'Monthly?', 'nl' => 'Maandelijks?'], 'settings' => [],
        ]);
        $user = User::factory()->create(['lang_preference' => 'nl']);
        $this->actingAs($user, 'web');
        session(['activeProfileType' => User::class, 'activeProfileId' => $user->id]);

        app()->setLocale('nl');
        Livewire::test(PollForm::class, ['pollId' => $poll->id])
            ->assertSee('Maandelijks?')
            ->assertSee('Misschien, als...')
            ->assertDontSee('Ja, als...')
            ->assertSee('Stem uitbrengen');

        $html = (new PollReceiptMail($poll, $user, 'ABCDE-FGHJK-MNPQR-STUVW'))->render();
        $this->assertStringContainsString('Dit is je persoonlijke ontvangstcode', $html);
    }
}