<?php

namespace Tests\Unit\Controllers;

use App\Controllers\ElementController;
use App\Element\CreateElementDto;
use App\Element\Element;
use App\Element\UseCases\GetElement\GetElement;
use App\Set\Set as DomainSet;
use Tests\Fakes\FakeElementRepository;
use Tests\TestCase;

class ElementControllerTest extends TestCase
{
    private ElementController $controller;

    private FakeElementRepository $elementRepo;

    protected function setUp(): void
    {
        $this->elementRepo = new FakeElementRepository();
        $getElement = new GetElement($this->elementRepo);
        $this->controller = new ElementController($getElement);
    }

    public function testShowReturnsElementPayload(): void
    {
        $element = $this->createElement('Baderech HaAvodah');

        $response = $this->controller->show($element->getId());

        $this->assertEquals(200, $response->getStatusCode());
        $body = json_decode($response->getContent(), true);
        $this->assertSame($element->getId(), $body['element']['id']);
        $this->assertSame('Baderech HaAvodah', $body['element']['title']);
    }

    public function testShowReturns400WhenIdMissing(): void
    {
        $response = $this->controller->show(null);

        $this->assertEquals(400, $response->getStatusCode());
        $this->assertSame(
            ['error' => 'id is required'],
            json_decode($response->getContent(), true),
        );
    }

    public function testShowReturns404WhenElementDoesNotExist(): void
    {
        $response = $this->controller->show(999);

        $this->assertEquals(404, $response->getStatusCode());
        $this->assertSame(
            ['error' => 'Element not found'],
            json_decode($response->getContent(), true),
        );
    }

    private function createElement(string $title): Element
    {
        $set = new DomainSet(
            id: 1,
            name: 'Baderech',
            description: 'Baderech description',
            iconImageUrl: '/assets/baderech-icon.png',
        );

        return $this->elementRepo->create(new CreateElementDto(
            set: $set,
            title: $title,
            parentElement: null,
        ));
    }
}