<?php

declare(strict_types=1);

namespace Monitor\Api\Tests\Controller;

use Monitor\Api\Controller\KpiController;
use Monitor\Api\Db\Database;
use Monitor\Api\Http\Request;
use Monitor\Api\Repository\KpiRepository;
use PHPUnit\Framework\TestCase;

final class KpiControllerTest extends TestCase
{
    private KpiController $controller;

    protected function setUp(): void
    {
        $this->controller = new KpiController(new KpiRepository(Database::inMemory()));
    }

    public function testReportRejectsMissingValue(): void
    {
        $response = $this->controller->report(Request::create('POST', '/api/v1/kpis/open_tickets', body: []), ['key' => 'open_tickets']);

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

    public function testReportRejectsNonNumericValue(): void
    {
        $response = $this->controller->report(
            Request::create('POST', '/api/v1/kpis/open_tickets', body: ['value' => 'abc']),
            ['key' => 'open_tickets']
        );

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

    public function testReportReturns201WithKpi(): void
    {
        $response = $this->controller->report(
            Request::create('POST', '/api/v1/kpis/open_tickets', body: ['value' => 3]),
            ['key' => 'open_tickets']
        );

        self::assertSame(201, $response->status);
        self::assertSame(3.0, $response->body()['kpi']['current_value']);
    }

    public function testIndexListsKpis(): void
    {
        $this->controller->report(Request::create('POST', '/x', body: ['value' => 1]), ['key' => 'a']);

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

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