<?php

namespace App\Filament\Resources;

use App\Filament\Resources\ReportResource\Pages;
use App\Models\Report;
use Filament\Forms;
use Filament\Forms\Form;
use Filament\Resources\Resource;
use Filament\Tables;
use Filament\Tables\Table;

class ReportResource extends Resource
{
    protected static ?string $model = Report::class;

    protected static ?string $navigationIcon = 'heroicon-o-document-arrow-down';

    protected static ?string $navigationLabel = '報告管理';

    protected static ?string $modelLabel = '報告';

    protected static ?string $pluralModelLabel = '報告';

    protected static ?string $navigationGroup = '內容管理';

    protected static ?int $navigationSort = 3;

    public static function form(Form $form): Form
    {
        return $form
            ->schema([
                Forms\Components\Section::make('基本資訊')
                    ->schema([
                        Forms\Components\TextInput::make('title')
                            ->label('標題')
                            ->required()
                            ->maxLength(500)
                            ->columnSpanFull(),
                        Forms\Components\TextInput::make('year')
                            ->label('年份')
                            ->numeric()
                            ->required(),
                        Forms\Components\Select::make('status')
                            ->label('狀態')
                            ->required()
                            ->options([
                                'draft' => '草稿',
                                'publish' => '已發布',
                            ])
                            ->default('draft'),
                        Forms\Components\DateTimePicker::make('published_at')
                            ->label('發布時間')
                            ->default(now())
                            ->required(),
                    ])
                    ->columns(2),

                Forms\Components\Section::make('內容')
                    ->schema([
                        Forms\Components\Textarea::make('summary')
                            ->label('簡介')
                            ->rows(4)
                            ->helperText('報告簡介（英文）')
                            ->columnSpanFull(),
                    ]),

                Forms\Components\Section::make('封面圖')
                    ->schema([
                        Forms\Components\FileUpload::make('cover_image')
                            ->label('封面圖')
                            ->image()
                            ->disk('uploads')
                            ->directory('reports/covers')
                            ->helperText('上傳報告封面圖')
                            ->columnSpanFull(),
                    ]),

                Forms\Components\Section::make('下載設定')
                    ->schema([
                        Forms\Components\Select::make('download_type')
                            ->label('下載類型')
                            ->required()
                            ->options([
                                'upload' => '上傳檔案',
                                'link' => '外部連結',
                            ])
                            ->default('upload')
                            ->live(),
                        Forms\Components\FileUpload::make('download_file')
                            ->label('下載檔案')
                            ->disk('uploads')
                            ->directory('reports/files')
                            ->helperText('上傳報告檔案（可為任意格式）')
                            ->visible(fn (Forms\Get $get): bool => $get('download_type') === 'upload')
                            ->columnSpanFull(),
                        Forms\Components\TextInput::make('download_url')
                            ->label('外部下載連結')
                            ->url()
                            ->maxLength(500)
                            ->helperText('可填入外部下載連結')
                            ->visible(fn (Forms\Get $get): bool => $get('download_type') === 'link')
                            ->columnSpanFull(),
                    ])
                    ->columns(2),
            ]);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->columns([
                Tables\Columns\TextColumn::make('title')
                    ->label('標題')
                    ->searchable()
                    ->sortable()
                    ->limit(50),
                Tables\Columns\TextColumn::make('year')
                    ->label('年份')
                    ->sortable(),
                Tables\Columns\BadgeColumn::make('download_type')
                    ->label('下載類型')
                    ->formatStateUsing(fn (string $state): string => match ($state) {
                        'upload' => '上傳檔案',
                        'link' => '外部連結',
                        default => $state,
                    })
                    ->colors([
                        'primary' => 'upload',
                        'info' => 'link',
                    ]),
                Tables\Columns\BadgeColumn::make('status')
                    ->label('狀態')
                    ->formatStateUsing(fn (string $state): string => match ($state) {
                        'draft' => '草稿',
                        'publish' => '已發布',
                        default => $state,
                    })
                    ->colors([
                        'warning' => 'draft',
                        'success' => 'publish',
                    ]),
                Tables\Columns\TextColumn::make('published_at')
                    ->label('發布時間')
                    ->dateTime('Y-m-d H:i')
                    ->sortable(),
                Tables\Columns\TextColumn::make('created_at')
                    ->label('建立時間')
                    ->dateTime('Y-m-d H:i')
                    ->sortable()
                    ->toggleable(isToggledHiddenByDefault: true),
                Tables\Columns\TextColumn::make('updated_at')
                    ->label('更新時間')
                    ->dateTime('Y-m-d H:i')
                    ->sortable()
                    ->toggleable(isToggledHiddenByDefault: true),
            ])
            ->filters([
                Tables\Filters\SelectFilter::make('download_type')
                    ->label('下載類型')
                    ->options([
                        'upload' => '上傳檔案',
                        'link' => '外部連結',
                    ]),
                Tables\Filters\SelectFilter::make('status')
                    ->label('狀態')
                    ->options([
                        'draft' => '草稿',
                        'publish' => '已發布',
                    ]),
            ])
            ->actions([
                Tables\Actions\Action::make('download')
                    ->label('下載')
                    ->icon('heroicon-o-arrow-down-tray')
                    ->url(fn (Report $record): ?string => $record->download_type === 'link'
                        ? $record->download_url
                        : route('report.download', $record))
                    ->openUrlInNewTab()
                    ->visible(fn (Report $record): bool => $record->download_type === 'link'
                        ? !empty($record->download_url)
                        : !empty($record->download_file)),
                Tables\Actions\EditAction::make(),
                Tables\Actions\DeleteAction::make(),
            ])
            ->bulkActions([
                Tables\Actions\BulkActionGroup::make([
                    Tables\Actions\DeleteBulkAction::make(),
                ]),
            ])
            ->defaultSort('published_at', 'desc');
    }

    public static function getRelations(): array
    {
        return [
            //
        ];
    }

    public static function getPages(): array
    {
        return [
            'index' => Pages\ListReports::route('/'),
            'create' => Pages\CreateReport::route('/create'),
            'edit' => Pages\EditReport::route('/{record}/edit'),
        ];
    }
}