<?php

namespace App\Filament\Resources;

use App\Enums\InvoiceStatus;
use App\Filament\Resources\InvoiceResource\Pages;
use App\Filament\Resources\InvoiceResource\RelationManagers\OrdersRelationManager;
use App\Filament\Resources\InvoiceResource\RelationManagers\ProductServicesRelationManager;
use App\Models\Customer;
use App\Models\Invoice;
use Filament\Forms\Components\DatePicker;
use Filament\Forms\Components\Grid;
use Filament\Forms\Components\Section;
use Filament\Forms\Components\Select;
use Filament\Forms\Components\Split;
use Filament\Forms\Components\ToggleButtons;
use Filament\Forms\Form;
use Filament\Notifications\Notification;
use Filament\Resources\Resource;
use Filament\Tables;
use Filament\Tables\Table;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Support\Collection;

class InvoiceResource extends Resource
{
    protected static ?string $model = Invoice::class;

    protected static ?string $navigationIcon = 'lucide-receipt-text';

    protected static ?string $navigationGroup = 'Production';

    protected static ?int $navigationSort = 2;

    public static function form(Form $form): Form
    {
        return $form
            ->schema([
                Section::make([
                    Grid::make(2)
                        ->schema([
                            Select::make('customer_id')
                                ->required()
                                ->label('Customer')
                                ->options(Customer::all()->pluck('company_name', 'id'))
                                ->reactive()
                                ->searchable()
                                ->disabledOn('edit')
                                ->columnSpan(2),

                            Split::make([
                                DatePicker::make('date')
                                    ->required()
                                    ->default(today()),
                                DatePicker::make('due_date'),
                            ])
                                ->columnSpan(2),
                            Select::make('status')
                                ->options(InvoiceStatus::class)
                                ->searchable()
                                ->required()
                                ->default(InvoiceStatus::UNPAID),
                        ])->columnSpan(2),

                    Grid::make(1)
                        ->schema([
                            ToggleButtons::make('gst')
                                ->boolean()
                                ->default(true)
                                ->inline()
                                ->colors([
                                    'true'  => 'info',
                                    'false' => 'info',
                                ]),

                            ToggleButtons::make('pst')
                                ->boolean()
                                ->default(false)
                                ->inline()
                                ->colors([
                                    'true'  => 'info',
                                    'false' => 'info',
                                ]),
                        ])->columnSpan(1),
                ])
                    ->columns(3)
                    ->columnSpan(3),
            ])->columns(3);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->columns([
                Tables\Columns\TextColumn::make('internal_id')
                    ->label('ID')
                    ->fontFamily('mono')
                    ->color('primary')
                    ->sortable()
                    ->searchable(),
                Tables\Columns\TextColumn::make('customer.company_name')
                    ->sortable()
                    ->extraHeaderAttributes(['class' => 'w-full'])
                    ->searchable(),
                Tables\Columns\TextColumn::make('status')
                    ->badge(InvoiceStatus::class)
                    ->sortable(),
                Tables\Columns\TextColumn::make('created_at')
                    ->label('Created')
                    ->date()
                    ->sortable(),
                Tables\Columns\TextColumn::make('subtotal')
                    ->money('USD')
                    ->alignRight(),
                Tables\Columns\TextColumn::make('gst_amount')
                    ->label('GST')
                    ->money('USD')
                    ->alignRight(),
                Tables\Columns\TextColumn::make('pst_amount')
                    ->label('PST')
                    ->formatStateUsing(function ($state) {
                        return $state == 0.00 ? '-' : '$'.$state;
                    })
                    ->alignRight(),
                Tables\Columns\TextColumn::make('total')
                    ->money('USD')
                    ->weight('bold')
                    ->alignRight(),
            ])

            ->filters([
                Tables\Filters\Filter::make('created_at')
                    ->form([
                        Split::make([
                            DatePicker::make('created_from')
                                ->label('From date'),
                            DatePicker::make('created_until')
                                ->label('Until date'),
                        ]),
                    ])
                    ->query(function (Builder $query, array $data): Builder {
                        return $query
                            ->when(
                                $data['created_from'],
                                fn (Builder $query, $date): Builder => $query->whereDate('date', '>=', $date),
                            )
                            ->when(
                                $data['created_until'],
                                fn (Builder $query, $date): Builder => $query->whereDate('date', '<=', $date),
                            );
                    }),

                Tables\Filters\SelectFilter::make('status')
                    ->options(InvoiceStatus::class)
                    ->columnSpan(1),

            ], layout: Tables\Enums\FiltersLayout::AboveContentCollapsible)
            ->filtersFormColumns(3)

            ->groups([
                'status',
            ])

            ->defaultSort('created_at', 'desc')

            ->actions([
                Tables\Actions\EditAction::make(),
                //todo: generate report pdf
            ])

            ->bulkActions([
                Tables\Actions\BulkAction::make('Mark as paid')
                    ->action(function (Collection $records) {
                        $records->each->setStatus(InvoiceStatus::PAID);
                        Notification::make()
                            ->title(count($records).' item(s) saved successfully')
                            ->success()
                            ->send();
                    })
                    ->icon('lucide-circle-check')
                    ->deselectRecordsAfterCompletion(),

                Tables\Actions\BulkActionGroup::make([
                    Tables\Actions\BulkAction::make('Mark as unpaid')
                        ->action(function (Collection $records) {
                            $records->each->setStatus(InvoiceStatus::UNPAID);
                            Notification::make()
                                ->title(count($records).' item(s) saved successfully')
                                ->success()
                                ->send();
                        })
                        ->icon('lucide-circle-x')
                        ->deselectRecordsAfterCompletion(),
                    Tables\Actions\DeleteBulkAction::make(),
                ])
                    ->label('Other actions'),
            ])
            ->selectCurrentPageOnly();
    }

    public static function getRelations(): array
    {
        return [
            OrdersRelationManager::class,
            ProductServicesRelationManager::class,
        ];
    }

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