<?php

namespace App\Filament\Resources\InviteLayouts\Schemas;

use Filament\Forms\Components\ColorPicker;
use Filament\Forms\Components\Repeater;
use Filament\Forms\Components\Section;
use Filament\Forms\Components\Select;
use Filament\Forms\Components\Textarea;
use Filament\Forms\Components\TextInput;
use Filament\Forms\Components\Toggle;
use Filament\Schemas\Schema;
use Illuminate\Support\Str;

class InviteLayoutForm
{
    public static function configure(Schema $schema): Schema
    {
        return $schema->schema([
            Section::make('Grunddaten')
                ->columns(2)
                ->schema([
                    TextInput::make('name')
                        ->label('Name')
                        ->required()
                        ->maxLength(255)
                        ->afterStateUpdated(fn (callable $set, $state) => $set('slug', Str::slug((string) $state ?? '')))
                        ->reactive(),
                    TextInput::make('slug')
                        ->label('Slug')
                        ->required()
                        ->maxLength(191)
                        ->unique(ignoreRecord: true),
                    TextInput::make('subtitle')
                        ->label('Unterzeile')
                        ->maxLength(255)
                        ->columnSpanFull(),
                    Textarea::make('description')
                        ->label('Beschreibung')
                        ->rows(4)
                        ->columnSpanFull(),
                    Toggle::make('is_active')
                        ->label('Aktiv')
                        ->default(true),
                ]),

            Section::make('Papier & Format')
                ->columns(3)
                ->schema([
                    Select::make('paper')
                        ->label('Papierformat')
                        ->options([
                            'a4' => 'A4 (210 × 297 mm)',
                            'a5' => 'A5 (148 × 210 mm)',
                            'a3' => 'A3 (297 × 420 mm)',
                            'custom' => 'Benutzerdefiniert',
                        ])
                        ->default('a4'),
                    Select::make('orientation')
                        ->label('Ausrichtung')
                        ->options([
                            'portrait' => 'Hochformat',
                            'landscape' => 'Querformat',
                        ])
                        ->default('portrait'),
                    TextInput::make('layout_options.formats')
                        ->label('Formate (Komma getrennt)')
                        ->default('pdf,svg')
                        ->helperText('Bestimmt, welche Downloads angeboten werden.')
                        ->dehydrateStateUsing(fn ($state) => collect(explode(',', (string) $state))
                            ->map(fn ($value) => trim((string) $value))
                            ->filter()
                            ->values()
                            ->all())
                        ->afterStateHydrated(function (TextInput $component, $state) {
                            if (is_array($state)) {
                                $component->state(implode(',', $state));
                            }
                        }),
                ]),

            Section::make('Farben')
                ->columns(5)
                ->schema([
                    ColorPicker::make('preview.background')
                        ->label('Hintergrund')
                        ->default('#F9FAFB'),
                    ColorPicker::make('preview.accent')
                        ->label('Akzent')
                        ->default('#6366F1'),
                    ColorPicker::make('preview.text')
                        ->label('Text')
                        ->default('#0F172A'),
                    ColorPicker::make('preview.secondary')
                        ->label('Sekundär')
                        ->default('#CBD5F5'),
                    ColorPicker::make('preview.badge')
                        ->label('Badge')
                        ->default('#2563EB'),
                    TextInput::make('preview.qr.size_px')
                        ->label('QR-Größe (px)')
                        ->numeric()
                        ->default(320)
                        ->columnSpan(2),
                    TextInput::make('preview.svg.width')
                        ->label('SVG Breite')
                        ->numeric()
                        ->default(1080),
                    TextInput::make('preview.svg.height')
                        ->label('SVG Höhe')
                        ->numeric()
                        ->default(1520),
                ]),

            Section::make('Texte & Hinweise')
                ->columns(2)
                ->schema([
                    TextInput::make('layout_options.badge_label')
                        ->label('Badge-Label')
                        ->default('Digitale Gästebox'),
                    TextInput::make('layout_options.instructions_heading')
                        ->label('Anleitungstitel')
                        ->default("So funktioniert's"),
                    TextInput::make('layout_options.link_heading')
                        ->label('Link-Titel')
                        ->default('Alternative zum Einscannen'),
                    TextInput::make('layout_options.cta_label')
                        ->label('CTA Label')
                        ->default('Scan mich & starte direkt'),
                    TextInput::make('layout_options.cta_caption')
                        ->label('CTA Untertitel')
                        ->default('Scan mich & starte direkt'),
                    TextInput::make('layout_options.link_label')
                        ->label('Link Text (optional)')
                        ->helperText('Überschreibt den standardmäßigen Einladungslink.'),
                    TextInput::make('layout_options.logo_url')
                        ->label('Logo URL')
                        ->columnSpanFull(),
                    Repeater::make('instructions')
                        ->label('Hinweise')
                        ->maxItems(6)
                        ->schema([
                            Textarea::make('value')
                                ->label('Hinweistext')
                                ->rows(2)
                                ->required()
                                ->maxLength(180),
                        ])
                        ->afterStateHydrated(function (Repeater $component, $state): void {
                            if (is_array($state) && ! empty($state) && ! is_array(current($state))) {
                                $component->state(array_map(fn ($value) => ['value' => $value], $state));
                            }
                        })
                        ->dehydrateStateUsing(fn ($state) => collect($state)->pluck('value')->filter()->values()->all()),
                ]),
        ]);
    }
}