<?php

namespace App\Support;

use App\Enums\DisplayVersionType;

class DisplayModuleSettings
{
    /** @var list<string> */
    private const B2IN_BOOLEAN_KEYS = [
        'show_logo',
        'show_claim',
        'show_footer',
        'display_active',
    ];

    /**
     * @return array<string, mixed>
     */
    public static function defaults(DisplayVersionType|string $type): array
    {
        $typeValue = $type instanceof DisplayVersionType ? $type->value : $type;

        return match ($typeValue) {
            DisplayVersionType::VideoDisplay->value => [
                'qr_label' => 'Website',
            ],
            DisplayVersionType::B2in->value => [
                'theme' => 'dark',
                'header_logo_url' => '/_cabinet/assets/b2in-logo-positive.svg',
                'header_claim' => 'Connecting Design & Property',
                'logo_position' => 'top-left',
                'claim_position' => 'top-right',
                'show_logo' => true,
                'show_claim' => true,
                'show_footer' => true,
                'footer_url' => 'B2in.eu',
                'footer_name' => '',
                'footer_prefix' => 'by',
                'qr_url' => '',
                'transition' => [
                    'type' => 'crossfade',
                    'duration_ms' => 800,
                ],
                'default_image_duration' => 10,
                'rotation_weights' => ['immobilien' => 70, 'moebel' => 30],
                'display_active' => true,
            ],
            DisplayVersionType::Offers->value => [
                'loop' => true,
                'transition' => [
                    'type' => 'fade',
                    'duration' => 600,
                ],
            ],
            default => [],
        };
    }

    /**
     * @param  array<string, mixed>|null  $settings
     * @return array<string, mixed>
     */
    public static function merge(DisplayVersionType|string $type, ?array $settings): array
    {
        $merged = array_replace_recursive(self::defaults($type), $settings ?? []);

        $typeValue = $type instanceof DisplayVersionType ? $type->value : $type;

        if ($typeValue === DisplayVersionType::B2in->value) {
            return self::normalizeB2inBooleans($merged);
        }

        if ($typeValue === DisplayVersionType::Offers->value && array_key_exists('loop', $merged)) {
            $merged['loop'] = self::toBool($merged['loop']);
        }

        return $merged;
    }

    /**
     * @param  array<string, mixed>  $settings
     * @return array<string, mixed>
     */
    private static function normalizeB2inBooleans(array $settings): array
    {
        foreach (self::B2IN_BOOLEAN_KEYS as $key) {
            if (array_key_exists($key, $settings)) {
                $settings[$key] = self::toBool($settings[$key]);
            }
        }

        return $settings;
    }

    private static function toBool(mixed $value): bool
    {
        if (is_bool($value)) {
            return $value;
        }

        $filtered = filter_var($value, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE);

        return $filtered ?? (bool) $value;
    }
}