<?php

namespace App\Livewire;

use Livewire\Attributes\Url;
use Livewire\Component;
use WP_Query;

class PostSearch extends Component
{
    /**
     * The posts.
     */
    public array $posts = [];

    /**
     * The WordPress query.
     */
    protected ?WP_Query $query;

    /**
     * The post range.
     */
    public string $range = '';

    /**
     * The search query.
     */
    #[Url('query')]
    public string $search = '';

    /**
     * The page.
     */
    #[Url]
    public int $page = 1;

    /**
     * The total posts.
     */
    public int $totalPosts = 0;

    /**
     * The total pages.
     */
    public int $totalPages = 1;

    /**
     * The amount of posts to show per page.
     */
    protected int $amount = 5;

    /**
     * Render the component.
     *
     * @return \Illuminate\View\View
     */
    public function render()
    {
        $this->query = new WP_Query([
            'post_type' => 'post',
            'post_status' => 'publish',
            'paged' => $this->page,
            'posts_per_page' => $this->amount,
            's' => $this->search,
        ]);

        $this->totalPages = $this->query->max_num_pages ?? 1;
        $this->totalPosts = $this->query->found_posts ?? 0;

        $this->page = min(max(1, $this->page), $this->totalPages);

        $start = ($this->page - 1) * $this->amount + 1;
        $end = min($this->totalPosts, $this->page * $this->amount);

        $this->range = "{$start}-{$end}";

        $this->posts = $this->query ? collect($this->query->posts)
            ->map(fn ($post) => [
                'title' => get_the_title($post),
                'url' => get_permalink($post),
            ])->all() : [];

        return view('livewire.post-search', [
            'hasPrevious' => $this->page > 1,
            'hasNext' => $this->page < $this->totalPages,
        ]);
    }

    /**
     * Go to the next page.
     */
    public function nextPage()
    {
        $this->page = min($this->totalPages, $this->page + 1);
    }

    /**
     * Go to the previous page.
     */
    public function previousPage()
    {
        $this->page = max(1, $this->page - 1);
    }
}