<?php

namespace App\Livewire\Tasks;

use Illuminate\Contracts\View\View;
use Livewire\Attributes\Computed;
use Livewire\Attributes\Lazy;
use Livewire\Attributes\Layout;
use Livewire\Attributes\Url;
use Livewire\Component;

#[Layout('layouts.dashboard', ['active' => 'tasks'])]
#[Lazy]
class Index extends Component
{
    public static function placeholder(array $params = []): View
    {
        return view('livewire.tasks.placeholder');
    }


    #[Url(as: 'filter', keep: true)]
    public string $filter = 'open';

    /** @var array<int,string> */
    protected array $allowedFilters = ['open', 'done', 'all'];

    public function mount(): void
    {
        if (! in_array($this->filter, $this->allowedFilters, true)) {
            $this->filter = 'open';
        }
    }

    public function setFilter(string $filter): void
    {
        if (in_array($filter, $this->allowedFilters, true)) {
            $this->filter = $filter;
        }
    }

    /** @var array<int,string> */
    public array $startedKeys = [];

    public function startTask(string $slug): void
    {
        $task = collect($this->tasks)->firstWhere('slug', $slug);
        if ($task === null) {
            return;
        }

        if (! in_array($slug, $this->startedKeys, true)) {
            $this->startedKeys[] = $slug;
        }

        // Start navigates to the dedicated Run page (per-slug quiz + Lerni AI).
        $this->redirectRoute('tasks.run', ['slug' => $slug], navigate: true);
    }

    public function repeatTask(string $slug): void
    {
        $this->startTask($slug);
    }

    #[Computed]
    public function tasks(): array
    {
        return config('tasks', []);
    }

    #[Computed]
    public function filteredTasks(): array
    {
        if ($this->filter === 'all') {
            return $this->tasks;
        }
        return array_values(array_filter($this->tasks, fn($t) => $t['status'] === $this->filter));
    }

    #[Computed]
    public function counts(): array
    {
        return [
            'open' => count(array_filter($this->tasks, fn($t) => $t['status'] === 'open')),
            'done' => count(array_filter($this->tasks, fn($t) => $t['status'] === 'done')),
            'all'  => count($this->tasks),
        ];
    }

    public function render(): View
    {
        return view('livewire.tasks.index');
    }
}