<?php

declare(strict_types=1);

namespace App\Tests\Functional\Controller;

use App\Tests\Functional\AppWebTestCase;

class UserApiControllerTest extends AppWebTestCase
{
    // US-01: search q < 2 chars → []
    public function test_search_short_query_returns_empty(): void
    {
        $user   = $this->createUser('us01@example.com');
        $client = $this->loginAs($user);

        $client->request('GET', '/api/user/search?q=a');

        $this->assertResponseIsSuccessful();
        $data = json_decode($client->getResponse()->getContent(), true);
        $this->assertSame([], $data);
    }

    // US-02: search valid q → results containing matching users
    public function test_search_valid_query_returns_results(): void
    {
        $user    = $this->createUser('us02_me@example.com');
        $other   = $this->createUser('us02_other@example.com');
        $client  = $this->loginAs($user);

        $client->request('GET', '/api/user/search?q=us02_other');

        $this->assertResponseIsSuccessful();
        $data = json_decode($client->getResponse()->getContent(), true);
        $this->assertNotEmpty($data);
        $emails = array_column($data, 'email');
        $this->assertContains('us02_other@example.com', $emails);
        // Own email should not appear
        $this->assertNotContains('us02_me@example.com', $emails);
    }

    // US-03: updateTheme valid → 200, returns {theme}
    public function test_update_theme_valid_returns_200(): void
    {
        $user   = $this->createUser('us03@example.com');
        $client = $this->loginAs($user);

        $client->request('PATCH', '/api/user/theme', [], [], [
            'CONTENT_TYPE' => 'application/json',
        ], json_encode(['theme' => 'warm-craft']));

        $this->assertResponseIsSuccessful();
        $data = json_decode($client->getResponse()->getContent(), true);
        $this->assertSame('warm-craft', $data['theme']);
    }

    // US-04: updateTheme invalid → 422
    public function test_update_theme_invalid_returns_422(): void
    {
        $user   = $this->createUser('us04@example.com');
        $client = $this->loginAs($user);

        $client->request('PATCH', '/api/user/theme', [], [], [
            'CONTENT_TYPE' => 'application/json',
        ], json_encode(['theme' => 'not-a-valid-theme']));

        $this->assertResponseStatusCodeSame(422);
    }

    // US-05: updateTimezone valid → 200, returns {timezone}
    public function test_update_timezone_valid_returns_200(): void
    {
        $user   = $this->createUser('us05@example.com');
        $client = $this->loginAs($user);

        $client->request('PATCH', '/api/user/timezone', [], [], [
            'CONTENT_TYPE' => 'application/json',
        ], json_encode(['timezone' => 'America/New_York']));

        $this->assertResponseIsSuccessful();
        $data = json_decode($client->getResponse()->getContent(), true);
        $this->assertSame('America/New_York', $data['timezone']);
    }

    // US-06: updateTimezone missing/null body → 422
    public function test_update_timezone_missing_returns_422(): void
    {
        $user   = $this->createUser('us06@example.com');
        $client = $this->loginAs($user);

        $client->request('PATCH', '/api/user/timezone', [], [], [
            'CONTENT_TYPE' => 'application/json',
        ], json_encode(['other' => 'value']));

        $this->assertResponseStatusCodeSame(422);
    }

    // US-07: updateTimezone invalid string → 422
    public function test_update_timezone_invalid_string_returns_422(): void
    {
        $user   = $this->createUser('us07@example.com');
        $client = $this->loginAs($user);

        $client->request('PATCH', '/api/user/timezone', [], [], [
            'CONTENT_TYPE' => 'application/json',
        ], json_encode(['timezone' => 'Not/A/Valid/Timezone']));

        $this->assertResponseStatusCodeSame(422);
    }

    // US-08: unauthenticated → redirects to /login
    public function test_unauthenticated_redirects_to_login(): void
    {
        $this->client->request('GET', '/api/user/search?q=test');

        $this->assertResponseRedirects('/login');
    }

    // US-09: updatePassword valid → 204 and the new password works for re-login
    public function test_update_password_valid_returns_204_and_rehashes(): void
    {
        $user   = $this->createUser('us09@example.com', 'currentPass1');
        $client = $this->loginAs($user);

        $client->request('PATCH', '/api/user/password', [], [], [
            'CONTENT_TYPE' => 'application/json',
        ], json_encode(['currentPassword' => 'currentPass1', 'newPassword' => 'brandNew2025']));

        $this->assertResponseStatusCodeSame(204);

        // Re-fetch the user; the stored hash must accept the new password and
        // reject the old one.
        $hasher = static::getContainer()->get('security.user_password_hasher');
        $em     = static::getContainer()->get('doctrine.orm.entity_manager');
        $em->clear();
        $reloaded = $em->getRepository(\App\Entity\User::class)->findOneBy(['email' => 'us09@example.com']);
        $this->assertNotNull($reloaded);
        $this->assertTrue($hasher->isPasswordValid($reloaded, 'brandNew2025'));
        $this->assertFalse($hasher->isPasswordValid($reloaded, 'currentPass1'));
    }

    // US-10: updatePassword wrong current → 422
    public function test_update_password_wrong_current_returns_422(): void
    {
        $user   = $this->createUser('us10@example.com', 'rightPass1');
        $client = $this->loginAs($user);

        $client->request('PATCH', '/api/user/password', [], [], [
            'CONTENT_TYPE' => 'application/json',
        ], json_encode(['currentPassword' => 'wrongPass1', 'newPassword' => 'brandNew2025']));

        $this->assertResponseStatusCodeSame(422);
    }

    // US-11: updatePassword too-short new → 422
    public function test_update_password_short_new_returns_422(): void
    {
        $user   = $this->createUser('us11@example.com', 'currentPass1');
        $client = $this->loginAs($user);

        $client->request('PATCH', '/api/user/password', [], [], [
            'CONTENT_TYPE' => 'application/json',
        ], json_encode(['currentPassword' => 'currentPass1', 'newPassword' => 'short']));

        $this->assertResponseStatusCodeSame(422);
    }

    // US-12: updatePassword missing fields → 422
    public function test_update_password_missing_fields_returns_422(): void
    {
        $user   = $this->createUser('us12@example.com', 'currentPass1');
        $client = $this->loginAs($user);

        $client->request('PATCH', '/api/user/password', [], [], [
            'CONTENT_TYPE' => 'application/json',
        ], json_encode(['newPassword' => 'brandNew2025']));

        $this->assertResponseStatusCodeSame(422);
    }
}