<?php

namespace App\Filament\Resources;

use App\Filament\Exports\ImportTransitExporter;
use App\Filament\Resources\ImportTransitResource\Pages;
use App\Filament\Resources\ImportTransitResource\RelationManagers;
use App\Models\ImportTransit;
use App\Models\InvoiceDataValidation;
use App\Models\Plant;
use Filament\Tables\Actions\ExportAction;
use Filament\Facades\Filament;
use Filament\Forms;
use Filament\Forms\Form;
use Filament\Resources\Resource;
use Filament\Tables;
use Filament\Tables\Table;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\SoftDeletingScope;
use Filament\Forms\Components\FileUpload;
use Filament\Notifications\Notification;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Storage;
use Maatwebsite\Excel\Facades\Excel;

class ImportTransitResource extends Resource
{
    protected static ?string $model = ImportTransit::class;

    protected static ?string $navigationIcon = 'heroicon-o-rectangle-stack';

    protected static ?string $navigationGroup = 'Manufacturing SD';

    public static function form(Form $form): Form
    {
        return $form
            ->schema([
                Forms\Components\TextInput::make('cri_rfq_number')
                    ->label('CRI/RFQ Number')
                    ->disabled(fn ($operation) => $operation == 'edit')
                    ->unique(ignoreRecord: true),
                Forms\Components\DatePicker::make('mail_received_date')
                    ->label('Mail Received Date')
                    ->required(),
                Forms\Components\TextInput::make('pricol_ref_number')
                    ->label('Pricol Ref Number')
                    ->afterStateUpdated(function (callable $set) {
                        $set('updated_by', Filament::auth()->user()?->name);
                    }),
                Forms\Components\TextInput::make('requester')
                    ->label('Requester')
                    ->afterStateUpdated(function (callable $set) {
                        $set('updated_by', Filament::auth()->user()?->name);
                    }),
                Forms\Components\TextInput::make('shipper')
                    ->label('Shipper')
                    ->afterStateUpdated(function (callable $set) {
                        $set('updated_by', Filament::auth()->user()?->name);
                    }),
                Forms\Components\TextInput::make('shipper_location')
                    ->label('Shipper Location')
                    ->afterStateUpdated(function (callable $set) {
                        $set('updated_by', Filament::auth()->user()?->name);
                    }),
                Forms\Components\TextInput::make('shipper_invoice')
                    ->label('Shipper Invoice')
                    ->afterStateUpdated(function (callable $set) {
                        $set('updated_by', Filament::auth()->user()?->name);
                    }),
                Forms\Components\DatePicker::make('shipper_invoice_date')
                    ->label('Shipper Invoice Date')
                    ->afterStateUpdated(function (callable $set) {
                        $set('updated_by', Filament::auth()->user()?->name);
                    }),
                Forms\Components\TextInput::make('customs_agent_name')
                    ->label('Customs Agent Name')
                    ->afterStateUpdated(function (callable $set) {
                        $set('updated_by', Filament::auth()->user()?->name);
                    }),
                Forms\Components\DatePicker::make('eta_date')
                    ->label('ETA Date')
                    ->afterStateUpdated(function (callable $set) {
                        $set('updated_by', Filament::auth()->user()?->name);
                    }),
                Forms\Components\Select::make('status')
                    ->label('Status')
                    ->options([
                        'Under Service Provider Finalization' => 'Under Service Provider Finalization',
                        'Yet to pick up' => 'Yet to pick up',
                        'Awaiting Vessel Loading' => 'Awaiting Vessel Loading',
                        'In Transit' => 'In Transit',
                        'Under Import Customs Clearance in Destination' => 'Under Import Customs Clearance in Destination',
                        'Delivered' => 'Delivered',
                    ])
                    ->reactive()
                    ->afterStateUpdated(function (callable $set) {
                        $set('updated_by', Filament::auth()->user()?->name);
                    }),
                Forms\Components\TextInput::make('delivery_location')
                    ->label('Delivery Location')
                    ->afterStateUpdated(function (callable $set) {
                        $set('updated_by', Filament::auth()->user()?->name);
                    }),
                Forms\Components\DatePicker::make('etd_date')
                    ->label('ETD Date')
                    ->afterStateUpdated(function (callable $set) {
                        $set('updated_by', Filament::auth()->user()?->name);
                    }),
                Forms\Components\TextInput::make('mode')
                    ->label('Mode')
                    ->afterStateUpdated(function (callable $set) {
                        $set('updated_by', Filament::auth()->user()?->name);
                    }),
                Forms\Components\TextInput::make('inco_terms')
                    ->label('Inco Terms')
                    ->afterStateUpdated(function (callable $set) {
                        $set('updated_by', Filament::auth()->user()?->name);
                    }),
                Forms\Components\TextInput::make('port_of_loading')
                    ->label('Port of Loading')
                    ->afterStateUpdated(function (callable $set) {
                        $set('updated_by', Filament::auth()->user()?->name);
                    }),
                Forms\Components\TextInput::make('port_of_discharge')
                    ->label('Port of Discharge')
                    ->afterStateUpdated(function (callable $set) {
                        $set('updated_by', Filament::auth()->user()?->name);
                    }),
                Forms\Components\TextInput::make('delivery_city')
                    ->label('Delivery City')
                    ->afterStateUpdated(function (callable $set) {
                        $set('updated_by', Filament::auth()->user()?->name);
                    }),
                Forms\Components\TextInput::make('packages')
                    ->label('Packages')
                    ->afterStateUpdated(function (callable $set) {
                        $set('updated_by', Filament::auth()->user()?->name);
                    }),
                Forms\Components\TextInput::make('type_of_package')
                    ->label('Type of Package')
                    ->afterStateUpdated(function (callable $set) {
                        $set('updated_by', Filament::auth()->user()?->name);
                    }),
                Forms\Components\TextInput::make('gross_weight')
                    ->label('Gross Weight')
                    ->afterStateUpdated(function (callable $set) {
                        $set('updated_by', Filament::auth()->user()?->name);
                    }),
                Forms\Components\TextInput::make('volume')
                    ->label('Volume')
                    ->afterStateUpdated(function (callable $set) {
                        $set('updated_by', Filament::auth()->user()?->name);
                    }),
                Forms\Components\TextInput::make('bill_number')
                    ->label('Bill Number')
                    ->afterStateUpdated(function (callable $set) {
                        $set('updated_by', Filament::auth()->user()?->name);
                    }),
                Forms\Components\DatePicker::make('bill_received_date')
                    ->label('Bill Received Date')
                    ->afterStateUpdated(function (callable $set) {
                        $set('updated_by', Filament::auth()->user()?->name);
                    }),
                Forms\Components\TextInput::make('vessel_number')
                    ->label('Vessel Number')
                    ->afterStateUpdated(function (callable $set) {
                        $set('updated_by', Filament::auth()->user()?->name);
                    }),
                Forms\Components\Hidden::make('created_by')
                    ->label('Created By')
                    ->default(Filament::auth()->user()?->name),
                Forms\Components\Hidden::make('updated_by')
                    ->label('Updated By')
                    ->default(Filament::auth()->user()?->name),
            ]);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->columns([
                Tables\Columns\TextColumn::make('No.')
                    ->label('No.')
                    ->alignCenter()
                    ->getStateUsing(function ($record, $livewire, $column, $rowLoop) {
                        $paginator = $livewire->getTableRecords();
                        $perPage = method_exists($paginator, 'perPage') ? $paginator->perPage() : 10;
                        $currentPage = method_exists($paginator, 'currentPage') ? $paginator->currentPage() : 1;

                        return ($currentPage - 1) * $perPage + $rowLoop->iteration;
                    }),
                Tables\Columns\TextColumn::make('cri_rfq_number')
                    ->label('CRI/RFQ Number')
                    ->alignCenter()
                    ->sortable(),
                Tables\Columns\TextColumn::make('mail_received_date')
                    ->label('Mail Received Date')
                    ->date()
                    ->alignCenter()
                    ->sortable(),
                Tables\Columns\TextColumn::make('pricol_ref_number')
                    ->label('Pricol Ref Number')
                    ->alignCenter()
                    ->sortable(),
                Tables\Columns\TextColumn::make('requester')
                    ->label('Requester')
                    ->alignCenter()
                    ->sortable(),
                Tables\Columns\TextColumn::make('shipper')
                    ->label('Shipper')
                    ->alignCenter()
                    ->sortable(),
                Tables\Columns\TextColumn::make('shipper_location')
                    ->label('Shipper Location')
                    ->alignCenter()
                    ->sortable(),
                Tables\Columns\TextColumn::make('shipper_invoice')
                    ->label('Shipper Invoice')
                    ->alignCenter()
                    ->sortable(),
                Tables\Columns\TextColumn::make('shipper_invoice_date')
                    ->label('Shipper Invoice Date')
                    ->alignCenter()
                    ->sortable(),
                Tables\Columns\TextColumn::make('customs_agent_name')
                    ->label('Customs Agent Name')
                    ->alignCenter()
                    ->sortable(),
                Tables\Columns\TextColumn::make('eta_date')
                    ->label('ETA Date')
                    ->alignCenter()
                    ->sortable(),
                Tables\Columns\TextColumn::make('status')
                    ->label('Status')
                    ->alignCenter()
                    ->sortable(),
                Tables\Columns\TextColumn::make('delivery_location')
                    ->label('Delivery Location')
                    ->alignCenter()
                    ->sortable(),
                Tables\Columns\TextColumn::make('etd_date')
                    ->label('ETD Date')
                    ->alignCenter()
                    ->sortable(),
                Tables\Columns\TextColumn::make('mode')
                    ->label('Mode')
                    ->alignCenter()
                    ->sortable(),
                Tables\Columns\TextColumn::make('inco_terms')
                    ->label('Inco Terms')
                    ->alignCenter()
                    ->sortable(),
                Tables\Columns\TextColumn::make('port_of_loading')
                    ->label('Port of Loading')
                    ->alignCenter()
                    ->sortable(),
                Tables\Columns\TextColumn::make('port_of_discharge')
                    ->label('Port of Discharge')
                    ->alignCenter()
                    ->sortable(),
                Tables\Columns\TextColumn::make('delivery_city')
                    ->label('Delivery City')
                    ->alignCenter()
                    ->sortable(),
                Tables\Columns\TextColumn::make('packages')
                    ->label('Packages')
                    ->alignCenter()
                    ->sortable(),
                Tables\Columns\TextColumn::make('type_of_package')
                    ->label('Type of Package')
                    ->alignCenter()
                    ->sortable(),
                Tables\Columns\TextColumn::make('gross_weight')
                    ->label('Gross Weight')
                    ->alignCenter()
                    ->sortable(),
                Tables\Columns\TextColumn::make('volume')
                    ->label('Volume')
                    ->alignCenter()
                    ->sortable(),
                Tables\Columns\TextColumn::make('bill_number')
                    ->label('Bill Number')
                    ->alignCenter()
                    ->sortable(),
                Tables\Columns\TextColumn::make('bill_received_date')
                    ->label('Bill Received Date')
                    ->alignCenter()
                    ->date()
                    ->sortable(),
                Tables\Columns\TextColumn::make('vessel_number')
                    ->label('Vessel Number')
                    ->alignCenter()
                    ->sortable(),
                Tables\Columns\TextColumn::make('created_at')
                    ->label('Created At')
                    ->alignCenter()
                    ->dateTime()
                    ->sortable(),
                Tables\Columns\TextColumn::make('created_by')
                    ->label('Created By')
                    ->alignCenter()
                    ->sortable(),
                Tables\Columns\TextColumn::make('updated_at')
                    ->label('Updated At')
                    ->dateTime()
                    ->sortable()
                    ->toggleable(isToggledHiddenByDefault: true),
                Tables\Columns\TextColumn::make('updated_by')
                    ->label('Updated By')
                    ->alignCenter()
                    ->sortable()
                    ->toggleable(isToggledHiddenByDefault: true),
                Tables\Columns\TextColumn::make('deleted_at')
                    ->label('Deleted At')
                    ->alignCenter()
                    ->dateTime()
                    ->sortable()
                    ->toggleable(isToggledHiddenByDefault: true),
            ])
            ->filters([
                Tables\Filters\TrashedFilter::make(),
            ])
            ->actions([
                Tables\Actions\ViewAction::make(),
                Tables\Actions\EditAction::make(),
            ])
            ->bulkActions([
                Tables\Actions\BulkActionGroup::make([
                    Tables\Actions\DeleteBulkAction::make(),
                    Tables\Actions\ForceDeleteBulkAction::make(),
                    Tables\Actions\RestoreBulkAction::make(),
                ]),
            ])
            ->headerActions([
                Tables\Actions\Action::make('Import Transit')
                    ->label('Import Transit')
                    ->form([
                        FileUpload::make('import_transit_file')
                            ->label('Import Transit')
                            // ->required()
                            ->preserveFilenames()
                            ->storeFiles(false)
                            ->reactive()
                            ->required()
                            ->disk('local')
                            // ->visible(fn (Get $get) => !empty($get('plant_id')))
                            ->directory('uploads/ImportTransit'),
                    ])
                    ->action(function (array $data) {
                        $uploadedFile = $data['import_transit_file'];

                        $disk = Storage::disk('local');

                        $user = Filament::auth()->user();

                        $operatorName = $user->name;

                        // Get original filename
                        $originalName = $uploadedFile->getClientOriginalName(); // e.g. 3RA0018732.xlsx

                        $originalNameOnly = pathinfo($originalName, PATHINFO_FILENAME);

                        // Store manually using storeAs to keep original name
                        $path = $uploadedFile->storeAs('uploads/ImportTransit', $originalName, 'local'); // returns relative path

                        $fullPath = Storage::disk('local')->path($path);

                        if ($fullPath && file_exists($fullPath)) {
                            $rows = Excel::toArray(null, $fullPath)[0];

                            if ((count($rows) - 1) <= 0) {
                                Notification::make()
                                    ->title('Records Not Found')
                                    ->body("Import the valid 'Import Transit' file to proceed..!")
                                    ->danger()
                                    ->send();

                                if ($disk->exists($path))
                                {
                                    $disk->delete($path);
                                }

                                return;
                            }

                            $invalidCriNo = [];

                            foreach ($rows as $index => $row)
                            {
                                if ($index == 0) {
                                    continue;
                                }

                                $rowNumber = $index + 1;

                                $criRfqNo        = trim($row[1] ?? '');
                                $mailRcvdDate    = trim($row[2] ?? '');
                                $pricolRefNo     = trim($row[3] ?? '');
                                $requester       = trim($row[4] ?? '');
                                $shipper         = trim($row[5] ?? '');
                                $shipperLocation = trim($row[6] ?? '');
                                $shipperInv      = trim($row[7] ?? '');
                                $shipperInvDate  = trim($row[8] ?? '');
                                $cha             = trim($row[9] ?? '');
                                $eta             = trim($row[10] ?? '');
                                $status          = trim($row[11] ?? '');
                                $dlyLoc          = trim($row[12] ?? '');
                                $etd             = trim($row[13] ?? '');
                                $mode            = trim($row[14] ?? '');
                                $incoTerms       = trim($row[15] ?? '');
                                $portOfLoading   = trim($row[16] ?? '');
                                $portOfDischarge = trim($row[17] ?? '');
                                $deliveryCity    = trim($row[18] ?? '');
                                $packages        = trim($row[19] ?? '');
                                $typeOfPkg       = trim($row[20] ?? '');
                                $grossWeight     = trim($row[21] ?? '');
                                $volumeWeight    = trim($row[22] ?? '');
                                $blNo            = trim($row[23] ?? '');
                                $blRcvdDate      = trim($row[24] ?? '');
                                $vesselNo        = trim($row[25] ?? '');

                                if (empty($criRfqNo)) {
                                    $invalidCriNo[] = $rowNumber;
                                }
                            }

                            if (! empty($invalidCriNo)){

                                $errorMsg = '';

                                if (! empty($invalidCriNo)) {
                                    $errorMsg .= 'Missing CRI Rfq No in rows: '.implode(', ', $invalidCriNo).'<br>';
                                }

                                Notification::make()
                                    ->title('Missing Mandatory Fields')
                                    ->body($errorMsg)
                                    ->danger()
                                    ->send();

                                if ($disk->exists($path)) {
                                    $disk->delete($path);
                                }

                                return;

                            }


                            try
                            {
                                foreach ($rows as $index => $row)
                                {
                                    if ($index == 0) {
                                        continue;
                                    }

                                    $rowNumber = $index + 1;

                                    try
                                    {

                                        $formattedDate = null;
                                        $formattedShipperDate = null;
                                        $etaDate = null;
                                        $etdDate = null;
                                        $formattedBlRcvdDate = null;

                                        $criRfqNo        = trim($row[1] ?? '');
                                        $mailRcvdDate    = trim($row[2] ?? '');
                                        $pricolRefNo     = trim($row[3] ?? '');
                                        $requester       = trim($row[4] ?? '');
                                        $shipper         = trim($row[5] ?? '');
                                        $shipperLocation = trim($row[6] ?? '');
                                        $shipperInv      = trim($row[7] ?? '');
                                        $shipperInvDate  = trim($row[8] ?? '');
                                        $cha             = trim($row[9] ?? '');
                                        $eta             = trim($row[10] ?? '');
                                        $status          = trim($row[11] ?? '');
                                        $dlyLoc          = trim($row[12] ?? '');
                                        $etd             = trim($row[13] ?? '');
                                        $mode            = trim($row[14] ?? '');
                                        $incoTerms       = trim($row[15] ?? '');
                                        $portOfLoading   = trim($row[16] ?? '');
                                        $portOfDischarge = trim($row[17] ?? '');
                                        $deliveryCity    = trim($row[18] ?? '');
                                        $packages        = trim($row[19] ?? '');
                                        $typeOfPkg       = trim($row[20] ?? '');
                                        $grossWeight     = trim($row[21] ?? '');
                                        $volumeWeight    = trim($row[22] ?? '');
                                        $blNo            = trim($row[23] ?? '');
                                        $blRcvdDate      = trim($row[24] ?? '');
                                        $vesselNo        = trim($row[25] ?? '');


                                        if (! empty($mailRcvdDate)) {
                                            if (preg_match('/^\d{2}[-\/]\d{2}[-\/]\d{4}$/', $mailRcvdDate)) {
                                                [$day, $month, $year] = preg_split('/[-\/]/', $mailRcvdDate);
                                                $formattedDate = "{$year}-{$month}-{$day}";
                                            } elseif (is_numeric($mailRcvdDate)) {
                                                $formattedDate = \PhpOffice\PhpSpreadsheet\Shared\Date::excelToDateTimeObject($mailRcvdDate)->format('Y-m-d');
                                            } else {
                                                $formattedDate = date('Y-m-d', strtotime($mailRcvdDate));
                                            }
                                        }
                                        if (! empty($shipperInvDate)) {
                                            if (preg_match('/^\d{2}[-\/]\d{2}[-\/]\d{4}$/', $shipperInvDate)) {
                                                [$day, $month, $year] = preg_split('/[-\/]/', $shipperInvDate);
                                                $formattedShipperDate = "{$year}-{$month}-{$day}";
                                            } elseif (is_numeric($shipperInvDate)) {
                                                $formattedShipperDate = \PhpOffice\PhpSpreadsheet\Shared\Date::excelToDateTimeObject($shipperInvDate)->format('Y-m-d');
                                            } else {
                                                $formattedShipperDate = date('Y-m-d', strtotime($shipperInvDate));
                                            }
                                        }
                                        if (! empty($eta)) {
                                            if (preg_match('/^\d{2}[-\/]\d{2}[-\/]\d{4}$/', $eta)) {
                                                [$day, $month, $year] = preg_split('/[-\/]/', $eta);
                                                $etaDate = "{$year}-{$month}-{$day}";
                                            } elseif (is_numeric($eta)) {
                                                $etaDate = \PhpOffice\PhpSpreadsheet\Shared\Date::excelToDateTimeObject($eta)->format('Y-m-d');
                                            } else {
                                                $etaDate = date('Y-m-d', strtotime($eta));
                                            }
                                        }
                                        if (! empty($etd)) {
                                            if (preg_match('/^\d{2}[-\/]\d{2}[-\/]\d{4}$/', $etd)) {
                                                [$day, $month, $year] = preg_split('/[-\/]/', $etd);
                                                $etdDate = "{$year}-{$month}-{$day}";
                                            } elseif (is_numeric($etd)) {
                                                $etdDate = \PhpOffice\PhpSpreadsheet\Shared\Date::excelToDateTimeObject($etd)->format('Y-m-d');
                                            } else {
                                                $etdDate = date('Y-m-d', strtotime($etd));
                                            }
                                        }
                                        if (! empty($blRcvdDate)) {
                                            if (preg_match('/^\d{2}[-\/]\d{2}[-\/]\d{4}$/', $blRcvdDate)) {
                                                [$day, $month, $year] = preg_split('/[-\/]/', $blRcvdDate);
                                                $formattedBlRcvdDate = "{$year}-{$month}-{$day}";
                                            } elseif (is_numeric($blRcvdDate)) {
                                                $formattedBlRcvdDate = \PhpOffice\PhpSpreadsheet\Shared\Date::excelToDateTimeObject($blRcvdDate)->format('Y-m-d');
                                            } else {
                                                $formattedBlRcvdDate = date('Y-m-d', strtotime($blRcvdDate));
                                            }
                                        }

                                        $inserted = ImportTransit::updateOrCreate(
                                            [
                                                'cri_rfq_number' => $criRfqNo,
                                            ],
                                            [
                                                'mail_received_date' => $formattedDate ?? null,
                                                'pricol_ref_number' => $pricolRefNo ?? null,
                                                'requester' => $requester ?? null,
                                                'shipper' => $shipper ?? null,
                                                'shipper_location' => $shipperLocation ?? null,
                                                'shipper_invoice' => $shipperInv ?? null,
                                                'shipper_invoice_date' => $formattedShipperDate ?? null,
                                                'customs_agent_name' => $cha ?? null,
                                                'eta_date' => $etaDate ?? null,
                                                'status' => $status ?? null,
                                                'delivery_location' => $dlyLoc ?? null,
                                                'etd_date' => $etdDate ?? null,
                                                'mode' => $mode ?? null,
                                                'inco_terms' => $incoTerms ?? null,
                                                'port_of_loading' => $portOfLoading ?? null,
                                                'port_of_discharge' => $portOfDischarge ?? null,
                                                'delivery_city' => $deliveryCity ?? null,
                                                'packages' => $packages ?? null,
                                                'type_of_package' => $typeOfPkg ?? null,
                                                'gross_weight' => $grossWeight ?? null,
                                                'volume' => $volumeWeight ?? null,
                                                'bill_number' => $blNo ?? null,
                                                'bill_received_date' => $formattedBlRcvdDate ?? null,
                                                'vessel_number' => $vesselNo ?? null,
                                                'created_by' => $operatorName,
                                            ]
                                        );
                                    }
                                    catch (\Exception $e) {
                                      Notification::make()
                                        ->title('Import Failed')
                                        ->body("Error occurred while processing row. Error : {$e->getMessage()}")
                                        ->danger()
                                        ->send();
                                    }
                                }
                                if (! $inserted) {
                                    Notification::make()
                                        ->title('Failed')
                                        ->body("Records insertion failed!")
                                        ->success()
                                        ->send();
                                }
                                else{
                                    Notification::make()
                                        ->title('Success')
                                        ->body("Records inserted successfully!")
                                        ->success()
                                        ->send();
                                }
                            }
                            catch (\Exception $e) {
                                Notification::make()
                                    ->title('Import Failed')
                                    ->body("No records were inserted. Error : {$e->getMessage()}")
                                    ->danger()
                                    ->send();
                            }
                        }
                    })
                    ->visible(function () {
                        return Filament::auth()->user()->can('view import transit');
                    }),
                ExportAction::make()
                    ->label('Export Import Transit')
                    ->color('warning')
                    ->exporter(ImportTransitExporter::class)
                    ->visible(function () {
                        return Filament::auth()->user()->can('view export import transit');
                    }),
            ]);
    }

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

    public static function getPages(): array
    {
        return [
            'index' => Pages\ListImportTransits::route('/'),
            'create' => Pages\CreateImportTransit::route('/create'),
            'view' => Pages\ViewImportTransit::route('/{record}'),
            'edit' => Pages\EditImportTransit::route('/{record}/edit'),
        ];
    }

    public static function getEloquentQuery(): Builder
    {
        return parent::getEloquentQuery()
            ->withoutGlobalScopes([
                SoftDeletingScope::class,
            ]);
    }
}