<?php

namespace App\Filament\Resources;

use App\Filament\Resources\AdResource\Pages;
use App\Models\Ad;
use Filament\Forms;
use Filament\Forms\Components\DateTimePicker;
use Filament\Forms\Components\FileUpload;
use Filament\Forms\Components\Section;
use Filament\Forms\Components\Select;
use Filament\Forms\Components\TextInput;
use Filament\Forms\Components\Textarea;
use Filament\Forms\Components\Toggle;
use Filament\Forms\Form;
use Filament\Resources\Resource;
use Filament\Tables;
use Filament\Tables\Columns\IconColumn;
use Filament\Tables\Columns\TextColumn;
use Filament\Tables\Table;

class AdResource extends Resource
{
    protected static ?string $model = Ad::class;

    protected static ?string $navigationIcon = 'heroicon-o-megaphone';
    protected static ?string $navigationLabel = '广告';
    protected static ?string $navigationGroup = '运营管理';

    public static function form(Form $form): Form
    {
        return $form
            ->schema([
                Section::make('基础信息')
                    ->schema([
                        Select::make('ad_slot_id')
                            ->label('投放位')
                            ->relationship('adSlot', 'name')
                            ->searchable()
                            ->preload()
                            ->required(),
                        TextInput::make('title')
                            ->label('标题')
                            ->required()
                            ->maxLength(255),
                        FileUpload::make('image')
                            ->label('图片')
                            ->disk('public')
                            ->directory('ads')
                            ->image()
                            ->imagePreviewHeight('120')
                            ->nullable(),
                        Textarea::make('description')
                            ->label('描述')
                            ->rows(3)
                            ->nullable(),
                    ])->columns(2),
                Section::make('链接与关联')
                    ->schema([
                        Select::make('product_id')
                            ->label('关联产品')
                            ->relationship('product', 'name')
                            ->searchable()
                            ->preload()
                            ->nullable()
                            ->rules(['required_without:link_url']),
                        TextInput::make('link_url')
                            ->label('外部链接')
                            ->helperText('关联产品与外部链接二选一')
                            ->maxLength(255)
                            ->url()
                            ->nullable()
                            ->rules(['required_without:product_id']),
                        Select::make('link_target')
                            ->label('打开方式')
                            ->options([
                                '_blank' => '新窗口',
                                '_self' => '当前窗口',
                            ])
                            ->default('_blank'),
                    ])->columns(2),
                Section::make('投放与状态')
                    ->schema([
                        DateTimePicker::make('starts_at')
                            ->label('开始时间')
                            ->nullable(),
                        DateTimePicker::make('ends_at')
                            ->label('结束时间')
                            ->nullable(),
                        Toggle::make('is_active')
                            ->label('启用')
                            ->default(true),
                        TextInput::make('sort')
                            ->label('排序')
                            ->numeric()
                            ->default(0),
                    ])->columns(2),
                Section::make('统计')
                    ->schema([
                        TextInput::make('view_count')
                            ->label('展示量')
                            ->numeric()
                            ->disabled()
                            ->dehydrated(false),
                        TextInput::make('click_count')
                            ->label('点击量')
                            ->numeric()
                            ->disabled()
                            ->dehydrated(false),
                    ])->columns(2),
            ]);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->reorderable('sort')
            ->defaultSort('sort')
            ->columns([
                TextColumn::make('adSlot.name')->label('投放位')->sortable(),
                TextColumn::make('title')->label('标题')->searchable(),
                IconColumn::make('is_active')->label('启用')->boolean(),
                TextColumn::make('sort')->label('排序')->sortable(),
                TextColumn::make('view_count')->label('展示')->sortable(),
                TextColumn::make('click_count')->label('点击')->sortable(),
                TextColumn::make('starts_at')->label('开始时间')->dateTime(),
                TextColumn::make('ends_at')->label('结束时间')->dateTime(),
                TextColumn::make('created_at')->label('创建时间')->dateTime(),
            ])
            ->filters([
                Tables\Filters\SelectFilter::make('ad_slot_id')
                    ->label('投放位')
                    ->relationship('adSlot', 'name'),
                Tables\Filters\TernaryFilter::make('is_active')
                    ->label('启用'),
            ])
            ->actions([
                Tables\Actions\EditAction::make(),
            ])
            ->bulkActions([
                Tables\Actions\BulkActionGroup::make([
                    Tables\Actions\DeleteBulkAction::make(),
                ]),
            ])
            ->emptyStateActions([
                Tables\Actions\CreateAction::make(),
            ]);
    }

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

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