<?php

declare(strict_types=1);

namespace App\Tests\ClickUp;

use App\ClickUp\ApiClient;
use App\ClickUp\Exception\ClickUpException;
use PHPUnit\Framework\TestCase;
use Psr\Log\NullLogger;
use Symfony\Component\HttpClient\MockHttpClient;
use Symfony\Component\HttpClient\Response\MockResponse;

class ApiClientTest extends TestCase
{
    public function testCreateTaskFromTemplatePostsTheNameAndReturnsTheTaskId(): void
    {
        $requests = [];
        $http = new MockHttpClient(function (string $method, string $url, array $options) use (&$requests): MockResponse {
            $requests[] = [$method, $url, $options];

            return new MockResponse(json_encode(['id' => 'abc123'], JSON_THROW_ON_ERROR), [
                'response_headers' => ['content-type' => 'application/json'],
            ]);
        });

        $taskId = $this->client($http)->createTaskFromTemplate('WIEN01 2026-08-20 Müller');

        self::assertSame('abc123', $taskId);
        self::assertSame('POST', $requests[0][0]);
        self::assertSame('https://clickup.test/list/555/taskTemplate/tpl-7', $requests[0][1]);
        self::assertSame(['name' => 'WIEN01 2026-08-20 Müller'], json_decode((string) $requests[0][2]['body'], true, 512, JSON_THROW_ON_ERROR));
        self::assertContains('Authorization: pk_secret', $requests[0][2]['headers']);
    }

    public function testUpdateTaskStatusPutsTheStatus(): void
    {
        $requests = [];
        $http = new MockHttpClient(function (string $method, string $url, array $options) use (&$requests): MockResponse {
            $requests[] = [$method, $url, $options];

            return new MockResponse(json_encode(['id' => 'abc123'], JSON_THROW_ON_ERROR), [
                'response_headers' => ['content-type' => 'application/json'],
            ]);
        });

        $this->client($http)->updateTaskStatus('abc123', 'GRO');

        self::assertSame('PUT', $requests[0][0]);
        self::assertSame('https://clickup.test/task/abc123', $requests[0][1]);
        self::assertSame(['status' => 'GRO'], json_decode((string) $requests[0][2]['body'], true, 512, JSON_THROW_ON_ERROR));
    }

    public function testAResponseWithoutATaskIdIsAnError(): void
    {
        $http = new MockHttpClient(new MockResponse(json_encode(['err' => 'nope'], JSON_THROW_ON_ERROR), [
            'response_headers' => ['content-type' => 'application/json'],
        ]));

        $this->expectException(ClickUpException::class);

        $this->client($http)->createTaskFromTemplate('WIEN01 2026-08-20 Müller');
    }

    public function testAnHttpErrorIsWrappedInADomainException(): void
    {
        $http = new MockHttpClient(new MockResponse('rate limited', ['http_code' => 429]));

        $this->expectException(ClickUpException::class);

        $this->client($http)->createTaskFromTemplate('WIEN01 2026-08-20 Müller');
    }

    public function testAnUnconfiguredClientReportsItselfAndRefusesToRequest(): void
    {
        $http = new MockHttpClient(function (): MockResponse {
            self::fail('No request must be made when the client is unconfigured.');
        });

        $client = new ApiClient($http, new NullLogger(), 'pk_secret', '', 'tpl-7', 'https://clickup.test');

        self::assertFalse($client->isConfigured());

        $this->expectException(ClickUpException::class);

        $client->createTaskFromTemplate('WIEN01 2026-08-20 Müller');
    }

    public function testAFullyConfiguredClientReportsItself(): void
    {
        self::assertTrue($this->client(new MockHttpClient())->isConfigured());
        self::assertFalse((new ApiClient(new MockHttpClient(), new NullLogger()))->isConfigured());
    }

    private function client(MockHttpClient $http): ApiClient
    {
        return new ApiClient($http, new NullLogger(), 'pk_secret', '555', 'tpl-7', 'https://clickup.test');
    }
}