<?php

declare(strict_types=1);

namespace Monitor\Api\Tests\Controller;

use Monitor\Api\Controller\AgentController;
use Monitor\Api\Db\Database;
use Monitor\Api\Http\Request;
use Monitor\Api\Repository\AgentRepository;
use Monitor\Api\Repository\TicketRepository;
use Monitor\Api\Repository\VoiceRecordingRepository;
use PHPUnit\Framework\TestCase;

final class AgentControllerTest extends TestCase
{
    private AgentController $controller;
    private AgentRepository $repository;
    private TicketRepository $tickets;
    private VoiceRecordingRepository $recordings;
    private string $recordingsStorageDir;

    protected function setUp(): void
    {
        $db = Database::inMemory();
        $this->repository = new AgentRepository($db);
        $this->tickets = new TicketRepository($db);
        $this->recordingsStorageDir = sys_get_temp_dir() . '/monitor-agent-controller-recordings-' . uniqid();
        $this->recordings = new VoiceRecordingRepository($db, $this->recordingsStorageDir);
        $this->controller = new AgentController($this->repository, $this->recordings);
    }

    protected function tearDown(): void
    {
        if (is_dir($this->recordingsStorageDir)) {
            foreach (glob($this->recordingsStorageDir . '/*') ?: [] as $file) {
                unlink($file);
            }
            rmdir($this->recordingsStorageDir);
        }
    }

    public function testMeReturnsAuthenticatedAgentWithoutApiKeyHash(): void
    {
        $this->repository->register('Alice', 'entwickler');
        $ops = $this->repository->register('OPs', 'ops');

        $response = $this->controller->me(Request::create('GET', '/api/v1/agents/me'), $ops['agent']);

        self::assertSame(200, $response->status);
        self::assertSame($ops['agent']['id'], $response->body()['agent']['id']);
        self::assertArrayNotHasKey('api_key_hash', $response->body()['agent']);
    }

    public function testRegisterRejectsMissingDisplayName(): void
    {
        $response = $this->controller->register(Request::create('POST', '/api/v1/agents', body: ['role' => 'entwickler']));

        self::assertSame(422, $response->status);
    }

    public function testRegisterRejectsUnknownRole(): void
    {
        $response = $this->controller->register(Request::create('POST', '/api/v1/agents', body: [
            'display_name' => 'Alice', 'role' => 'ceo',
        ]));

        self::assertSame(422, $response->status);
    }

    public function testRegisterReturns201WithApiKey(): void
    {
        $response = $this->controller->register(Request::create('POST', '/api/v1/agents', body: [
            'display_name' => 'Alice', 'role' => 'entwickler',
        ]));

        self::assertSame(201, $response->status);
        self::assertArrayHasKey('api_key', $response->body());
        self::assertArrayNotHasKey('api_key_hash', $response->body()['agent']);
    }

    public function testActivityRejectsMismatchedAgentId(): void
    {
        $registration = $this->repository->register('Alice', 'entwickler');
        $other = $this->repository->register('Bob', 'qa');

        $response = $this->controller->activity(
            Request::create('POST', '/x', body: ['state' => 'working']),
            ['id' => (string) $other['agent']['id']],
            $registration['agent']
        );

        self::assertSame(403, $response->status);
    }

    public function testActivityRejectsMissingState(): void
    {
        $registration = $this->repository->register('Alice', 'entwickler');

        $response = $this->controller->activity(
            Request::create('POST', '/x', body: []),
            ['id' => (string) $registration['agent']['id']],
            $registration['agent']
        );

        self::assertSame(422, $response->status);
    }

    public function testActivityUpdatesOwnState(): void
    {
        $registration = $this->repository->register('Alice', 'entwickler');
        $ticketId = (int) $this->tickets->create(['title' => 'Testticket'])['id'];

        $response = $this->controller->activity(
            Request::create('POST', '/x', body: ['state' => 'working', 'current_ticket' => $ticketId]),
            ['id' => (string) $registration['agent']['id']],
            $registration['agent']
        );

        self::assertSame(200, $response->status);
        self::assertSame('working', $response->body()['agent']['state']);
        self::assertSame($ticketId, $response->body()['agent']['current_ticket_id']);
    }

    public function testIndexListsAgents(): void
    {
        $this->repository->register('Alice', 'entwickler');

        $response = $this->controller->index(Request::create('GET', '/api/v1/agents'));

        self::assertCount(1, $response->body()['agents']);
    }

    /**
     * Issue #85: der Zaehler auf dem Schreibtisch haengt an diesem Feld - GET /api/v1/agents
     * reichert jeden Agenten um die Anzahl offener Sprachaufnahmen an.
     */
    public function testIndexIncludesPendingRecordingsCount(): void
    {
        $registration = $this->repository->register('Alice', 'entwickler');
        $agentId = (int) $registration['agent']['id'];
        $done = $this->recordings->store($agentId, 'a', 'audio/webm');
        $this->recordings->store($agentId, 'b', 'audio/webm');
        $this->recordings->markDone((int) $done['id']);

        $response = $this->controller->index(Request::create('GET', '/api/v1/agents'));

        self::assertSame(1, $response->body()['agents'][0]['pending_recordings']);
    }

    public function testIndexDefaultsPendingRecordingsToZero(): void
    {
        $this->repository->register('Alice', 'entwickler');

        $response = $this->controller->index(Request::create('GET', '/api/v1/agents'));

        self::assertSame(0, $response->body()['agents'][0]['pending_recordings']);
    }
}