<?php

namespace App\Filament\Admin\Resources\Proposals\Schemas;

use Filament\Forms\Components\Checkbox;
use Filament\Forms\Components\DatePicker;
use Filament\Forms\Components\Select;
use Filament\Schemas\Components\Tabs;
use Filament\Schemas\Components\Tabs\Tab;
use Filament\Forms\Components\Textarea;
use Filament\Forms\Components\TextInput;
use Filament\Forms\Components\CodeEditor;
use Filament\Forms\Components\CodeEditor\Enums\Language as CodeEditorLanguage;
use Filament\Schemas\Components\Section;
use Filament\Schemas\Components\View;
use Filament\Schemas\Schema;

class ProposalForm
{
    public static function configure(Schema $schema): Schema
    {
        return $schema
            ->schema([
                Tabs::make('Tabs')
                    ->tabs([
                        Tab::make('Teklif Detayları ve İçerik')
                            ->icon('heroicon-m-document-text')
                            ->schema([
                                // Section 2: side-by-side Markdown editor (CodeMirror) + live preview
                                Section::make(__('proposal.content_section'))
                                    ->description('Sol tarafta Markdown formatında içeriği düzenleyin, sağ tarafta canlı olarak nasıl görüneceğini izleyin.')
                                    ->columns(2)
                                    ->schema([
                                        CodeEditor::make('content')
                                            ->label(__('proposal.content_field'))
                                            ->hiddenLabel()
                                            ->required()
                                            ->language(CodeEditorLanguage::Markdown)
                                            ->live(onBlur: false)
                                            ->columnSpan(1)
                                            ->extraAttributes([
                                                'style' => 'min-height: 700px; max-height: 700px; overflow-y: auto;',
                                                'data-field-name' => 'content',
                                            ]),

                                        View::make('filament.components.markdown-preview')
                                            ->columnSpan(1),
                                    ]),
                            ]),
                        Tab::make('Durum ve Ayarlar')
                            ->icon('heroicon-m-cog-6-tooth')
                            ->schema([
                                // Section 1: compact top metadata and configuration
                                Section::make(__('proposal.settings_section'))
                                    ->columns(12)
                                    ->schema([
                                        TextInput::make('title')
                                            ->label(__('proposal.title_field'))
                                            ->required()
                                            ->maxLength(255)
                                            ->live(onBlur: true)
                                            ->afterStateUpdated(function (string $operation, $state, callable $set) {
                                                if ($operation !== 'create') {
                                                    return;
                                                }
                                                $set('slug', \Str::slug($state));
                                            })
                                            ->columnSpan(4),
                                        
                                        TextInput::make('slug')
                                            ->label(__('proposal.slug_field'))
                                            ->required()
                                            ->maxLength(255)
                                            ->unique(ignoreRecord: true)
                                            ->rules(['alpha_dash'])
                                            ->helperText(__('proposal.slug_helper'))
                                            ->columnSpan(4),

                                        Select::make('status')
                                            ->label(__('proposal.status_field'))
                                            ->options([
                                                'draft' => __('proposal.status_draft'),
                                                'sent' => __('proposal.status_sent'),
                                                'accepted' => __('proposal.status_accepted'),
                                                'rejected' => __('proposal.status_rejected'),
                                                'revised' => __('proposal.status_revised'),
                                            ])
                                            ->default('draft')
                                            ->required()
                                            ->columnSpan(4),

                                        TextInput::make('client_name')
                                            ->label(__('proposal.client_name_field'))
                                            ->required()
                                            ->maxLength(255)
                                            ->columnSpan(4),

                                        TextInput::make('client_email')
                                            ->label(__('proposal.client_email_field'))
                                            ->email()
                                            ->maxLength(255)
                                            ->columnSpan(4),

                                        DatePicker::make('valid_until')
                                            ->label(__('proposal.valid_until_field'))
                                            ->native(false)
                                            ->displayFormat('d.m.Y')
                                            ->columnSpan(4),

                                        TextInput::make('total_price')
                                            ->label(__('proposal.total_price_field'))
                                            ->numeric()
                                            ->prefix(fn ($get) => match ($get('currency')) {
                                                'USD' => '$',
                                                'EUR' => '€',
                                                default => '₺',
                                            })
                                            ->columnSpan(3),

                                        Select::make('currency')
                                            ->label(__('proposal.currency_field'))
                                            ->options([
                                                'TRY' => 'TL (₺)',
                                                'USD' => 'USD ($)',
                                                'EUR' => 'EUR (€)',
                                            ])
                                            ->default('TRY')
                                            ->required()
                                            ->live()
                                            ->columnSpan(1),

                                        Select::make('meta.accent_color')
                                            ->label(__('proposal.accent_color_field'))
                                            ->options([
                                                'indigo' => 'Premium Indigo (Mor/Mavi)',
                                                'emerald' => 'Emerald Medical (Zümrüt Yeşil)',
                                                'cyberpunk' => 'Cyberpunk Neon (Pembe/Mavi)',
                                                'coral' => 'Coral Corporate (Mercan Kırmızı)',
                                                'amber' => 'Amber Executive (Kehribar/Altın)',
                                            ])
                                            ->default('indigo')
                                            ->live()
                                            ->columnSpan(4),

                                        Checkbox::make('meta.show_calculator')
                                            ->label(__('proposal.show_calculator_field'))
                                            ->default(true)
                                            ->columnSpan(4),

                                        // Client feedback inside this section — only visible when present
                                        Textarea::make('client_feedback')
                                            ->label('Müşteri Geri Bildirimi / Revizyon Notu')
                                            ->rows(3)
                                            ->disabled()
                                            ->dehydrated(false)
                                            ->placeholder('Henüz geri bildirim bırakılmadı.')
                                            ->visible(fn ($record) => $record !== null && !empty($record->client_feedback))
                                            ->columnSpanFull(),
                                    ]),
                            ]),
                    ])->columnSpanFull()
            ]);
    }
}