<?php

namespace App\Livewire\Web\Components\Sections;

use App\Models\CmsBrand;
use Livewire\Component;

/**
 * Hero des Startseiten-Entwurfs (Nachtrag 19, Briefing Marcel 24.09.): Rahmen mit Goldkante,
 * eine Überschrift, ein Button und statt des festen Bildes eine ruhige Slideshow.
 *
 * Die Slides kommen aus der Sektion `home/hero_slider` (Liste `slides`), sobald Marcel dort
 * welche pflegt. Solange die Liste leer ist, laufen die Titelbilder der veröffentlichten
 * Kernmarken in ihrer Reihenfolge – Marken ohne Bild fallen weg.
 */
class HeroSlider extends Component
{
    /** @var array<string, mixed> */
    public array $content = [];

    /** @var array<int, array{image: string, alt: string, label: string, caption: string}> */
    public array $slides = [];

    public function mount(): void
    {
        $section = cms_theme_section('hero_slider');
        $this->content = is_array($section) ? $section : [];
        $this->slides = $this->slidesFromContent() ?: $this->slidesFromBrands();
    }

    /**
     * @return array<int, array{image: string, alt: string, label: string, caption: string}>
     */
    private function slidesFromContent(): array
    {
        $slides = [];

        foreach ((array) ($this->content['slides'] ?? []) as $slide) {
            if (! is_array($slide) || trim((string) ($slide['image'] ?? '')) === '') {
                continue;
            }

            if (array_key_exists('active', $slide) && ! filter_var($slide['active'], FILTER_VALIDATE_BOOLEAN)) {
                continue;
            }

            $label = trim((string) ($slide['label'] ?? $slide['title'] ?? ''));

            $slides[] = [
                'image' => (string) $slide['image'],
                'alt' => trim((string) ($slide['alt'] ?? $label)),
                'label' => $label,
                'caption' => trim((string) ($slide['caption'] ?? '')),
            ];
        }

        return $slides;
    }

    /**
     * @return array<int, array{image: string, alt: string, label: string, caption: string}>
     */
    private function slidesFromBrands(): array
    {
        $slides = [];

        foreach (CmsBrand::forFrontend() as $brand) {
            $image = trim((string) ($brand['image'] ?? ''));

            if ($image === '') {
                continue;
            }

            $name = (string) ($brand['name'] ?? '');

            $slides[] = [
                'image' => $image,
                'alt' => $name.' – '.strip_tags((string) ($brand['tagline'] ?? '')),
                'label' => $name,
                'caption' => strip_tags((string) ($brand['tagline'] ?? '')),
            ];
        }

        return $slides;
    }

    public function getIntervalMsProperty(): int
    {
        $seconds = (float) ($this->content['interval'] ?? 7);

        return (int) round(max(3, min(30, $seconds)) * 1000);
    }

    public function render(): \Illuminate\View\View
    {
        return view('livewire.web.components.sections.hero-slider');
    }
}