<?php

namespace App\Livewire;

use App\Livewire\Traits\WithMathRender;
use Livewire\Attributes\Computed;
use Livewire\Component;

class MathRenderTest extends Component
{
    use WithMathRender;

    public string $search = '';
    public int $currentPage = 1;

    public array $sampleQuestions = [
        [
            'code' => 'Q001',
            'content' => '已知二次函数 $f(x) = ax^2 + bx + c$，求 $f(2)$ 的值。',
            'difficulty' => 0.3,
        ],
        [
            'code' => 'Q002',
            'content' => '计算定积分：$$\int_0^1 x^2 dx$$',
            'difficulty' => 0.6,
        ],
        [
            'code' => 'Q003',
            'content' => '证明三角恒等式：$\sin^2(x) + \cos^2(x) = 1$',
            'difficulty' => 0.85,
        ],
        [
            'code' => 'Q004',
            'content' => '求极限：$$\lim_{x \to 0} \frac{\sin(x)}{x}$$',
            'difficulty' => 0.7,
        ],
        [
            'code' => 'Q005',
            'content' => '解方程：$ax^2 + bx + c = 0$',
            'difficulty' => 0.4,
        ],
    ];

    #[Computed]
    public function questions(): array
    {
        $filtered = array_filter($this->sampleQuestions, function($question) {
            if (empty($this->search)) {
                return true;
            }
            return str_contains(strtolower($question['content']), strtolower($this->search));
        });

        return array_values($filtered);
    }

    public function render()
    {
        return view('livewire.math-render-test');
    }
}