<?php

use App\Ocr\OcrManager;
use App\Ocr\Providers\KlippaProvider;
use App\Ocr\Providers\MistralProvider;
use App\Ocr\Providers\NoneProvider;
use Illuminate\Support\Facades\Http;

test('the manager resolves each provider by name', function () {
    $manager = app(OcrManager::class);

    expect($manager->driver('none'))->toBeInstanceOf(NoneProvider::class)
        ->and($manager->driver('klippa'))->toBeInstanceOf(KlippaProvider::class)
        ->and($manager->driver('mistral'))->toBeInstanceOf(MistralProvider::class)
        ->and($manager->driver())->toBeInstanceOf(NoneProvider::class);
});

test('the none provider returns no suggestions', function () {
    expect((new NoneProvider)->analyze('/tmp/whatever.pdf', null))->toBe([]);
});

test('providers return no suggestions without an api key', function () {
    Http::fake();

    expect((new KlippaProvider)->analyze(__FILE__, null))->toBe([])
        ->and((new MistralProvider)->analyze(__FILE__, ''))->toBe([]);

    Http::assertNothingSent();
});

test('the klippa provider maps parsed fields to suggestions', function () {
    Http::fake([
        'custom-ocr.klippa.com/*' => Http::response([
            'data' => ['parsed' => [
                'document_subject' => 'Forklift Licence',
                'expiry_date' => '2027-05-01',
            ]],
        ]),
    ]);

    $file = tempnam(sys_get_temp_dir(), 'ocr').'.pdf';
    file_put_contents($file, 'dummy');

    $result = (new KlippaProvider)->analyze($file, 'test-key');

    expect($result)->toBe(['title' => 'Forklift Licence', 'expires_at' => '2027-05-01']);

    @unlink($file);
});

test('the mistral provider parses json content from a vision response', function () {
    Http::fake([
        'api.mistral.ai/*' => Http::response([
            'choices' => [[
                'message' => ['content' => '{"title":"First Aid","expires_at":"2026-12-31"}'],
            ]],
        ]),
    ]);

    $file = tempnam(sys_get_temp_dir(), 'ocr').'.png';
    // Minimal 1x1 PNG so mime detection reports an image.
    file_put_contents($file, base64_decode('iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYPhfDwAChwGA60e6kgAAAABJRU5ErkJggg=='));

    $result = (new MistralProvider)->analyze($file, 'test-key');

    expect($result)->toBe(['title' => 'First Aid', 'expires_at' => '2026-12-31']);

    @unlink($file);
});

test('the mistral provider skips non-image files', function () {
    Http::fake();

    $file = tempnam(sys_get_temp_dir(), 'ocr').'.pdf';
    file_put_contents($file, '%PDF-1.4 dummy');

    expect((new MistralProvider)->analyze($file, 'test-key'))->toBe([]);

    Http::assertNothingSent();

    @unlink($file);
});