<?php

namespace App\Filament\Resources\Feedback\Pages;

use App\Filament\Resources\Feedback\FeedbackResource;
use App\Models\Department;
use App\Services\ClosingService;
use App\Services\TransferService;
use Filament\Actions\Action;
use Filament\Actions\DeleteAction;
use Filament\Forms\Components\FileUpload;
use Filament\Forms\Components\Select;
use Filament\Forms\Components\Textarea;
use Filament\Notifications\Notification;
use Filament\Resources\Pages\EditRecord;
use Illuminate\Contracts\View\View;
use Illuminate\Support\Facades\App;
use Illuminate\Support\Facades\Storage;

class EditFeedback extends EditRecord
{
    protected static string $resource = FeedbackResource::class;

    protected function getHeaderActions(): array
    {
        return [
            $this->transferDepartmentAction(),
            $this->closeTicketAction(),
            DeleteAction::make(),
        ];
    }

    protected function transferDepartmentAction(): Action
    {
        return Action::make('transferDepartment')
            ->label(__('feedback.transfer_department'))
            ->icon('heroicon-o-arrows-right-left')
            ->color('warning')
            ->visible(fn (): bool => auth()->user()->hasPermissionTo('transfer-department'))
            ->form([
                Select::make('to_department_id')
                    ->label(__('feedback.target_department'))
                    ->options(Department::pluck('name', 'id')->toArray())
                    ->required()
                    ->searchable(),
                Select::make('new_assignee_id')
                    ->label(__('feedback.assign_to_optional'))
                    ->options(function (\Filament\Forms\Get $get) {
                        $deptId = $get('to_department_id');
                        if (! $deptId) {
                            return [];
                        }
                        $dept = Department::with('manager')->find($deptId);

                        return \App\Models\User::pluck('name', 'id')->toArray();
                    })
                    ->searchable()
                    ->nullable(),
                Textarea::make('reason')
                    ->label(__('feedback.reason'))
                    ->required()
                    ->rows(3),
                FileUpload::make('transfer_attachments')
                    ->label(__('app.attachments'))
                    ->multiple()
                    ->disk('public')
                    ->directory('feedback-attachments')
                    ->acceptedFileTypes(['image/jpeg', 'image/png', 'application/pdf', 'video/mp4', 'video/quicktime'])
                    ->maxSize(51200) // 50MB in KB
                    ->columnSpanFull(),
            ])
            ->action(function (array $data): void {
                $feedback = $this->getRecord();
                $toDepartment = Department::findOrFail($data['to_department_id']);
                $sender = auth()->user();

                $transferService = App::make(TransferService::class);
                $log = $transferService->transfer(
                    $feedback,
                    $toDepartment,
                    $data['reason'],
                    $sender,
                    $data['new_assignee_id'] ?? null,
                );

                if (! empty($data['transfer_attachments'])) {
                    $disk = Storage::disk('public');
                    foreach ($data['transfer_attachments'] as $path) {
                        if (! $disk->exists($path)) {
                            continue;
                        }

                        if ($feedback->attachments()->where('path', $path)->exists()) {
                            continue;
                        }

                        $feedback->attachments()->create([
                            'uuid' => (string) \Illuminate\Support\Str::uuid(),
                            'user_id' => $sender->id,
                            'name' => basename($path),
                            'path' => $path,
                            'disk' => 'public',
                            'collection' => 'general',
                            'mime_type' => $this->safeMimeType($disk, $path),
                            'size' => $this->safeFileSize($disk, $path),
                        ]);
                    }
                }

                Notification::make()
                    ->title(__('feedback.transferred_successfully'))
                    ->success()
                    ->send();

                $this->redirect($this->getResource()::getUrl('edit', ['record' => $feedback]));
            });
    }

    protected function closeTicketAction(): Action
    {
        return Action::make('closeTicket')
            ->label(__('feedback.close_ticket'))
            ->icon('heroicon-o-check-circle')
            ->color('success')
            ->visible(fn (): bool => $this->getRecord()->status !== 'closed' && auth()->user()->hasPermissionTo('close-ticket'))
            ->requiresConfirmation()
            ->modalHeading(__('feedback.close_ticket'))
            ->modalDescription(__('feedback.close_confirm'))
            ->modalSubmitActionLabel(__('feedback.close_submit'))
            ->action(function (): void {
                $feedback = $this->getRecord();
                $actor = auth()->user();

                $closingService = App::make(ClosingService::class);

                try {
                    $closingService->close($feedback, $actor);

                    Notification::make()
                        ->title(__('feedback.closed_successfully'))
                        ->success()
                        ->send();

                    $this->redirect($this->getResource()::getUrl('edit', ['record' => $feedback]));
                } catch (\Symfony\Component\HttpKernel\Exception\HttpException $e) {
                    Notification::make()
                        ->title($e->getMessage())
                        ->danger()
                        ->send();
                } catch (\Illuminate\Validation\ValidationException $e) {
                    Notification::make()
                        ->title($e->getMessage())
                        ->danger()
                        ->send();
                }
            });
    }

    public function getFooter(): ?View
    {
        return view('filament.resources.feedback.edit-footer');
    }

    protected array $pendingAttachments = [];
    protected string $pendingCollection = 'general';

    protected function mutateFormDataBeforeSave(array $data): array
    {
        if (($data['is_general'] ?? false) === true) {
            $data['customer_product_id'] = null;
        }

        $this->pendingAttachments = $data['attachments'] ?? [];
        $this->pendingCollection = $data['attachment_collection'] ?? 'general';

        unset($data['is_general'], $data['attachment_collection'], $data['attachments']);

        $newStatus = $data['status'] ?? null;
        if ($newStatus === 'closed' && $this->getRecord()->status !== 'closed') {
            $closingService = App::make(ClosingService::class);
            $closingService->close($this->getRecord(), auth()->user());
        }

        return $data;
    }

    protected function afterSave(): void
    {
        if (empty($this->pendingAttachments)) {
            return;
        }

        $disk = Storage::disk('public');
        $feedback = $this->getRecord();

        foreach ($this->pendingAttachments as $path) {
            if (! $disk->exists($path)) {
                continue;
            }

            if ($feedback->attachments()->where('path', $path)->exists()) {
                continue;
            }

            $feedback->attachments()->create([
                'uuid' => (string) \Illuminate\Support\Str::uuid(),
                'user_id' => auth()->id(),
                'name' => basename($path),
                'path' => $path,
                'disk' => 'public',
                'collection' => $this->pendingCollection,
                'mime_type' => $this->safeMimeType($disk, $path),
                'size' => $this->safeFileSize($disk, $path),
            ]);
        }
    }

    protected function safeMimeType($disk, string $path): ?string
    {
        try {
            return $disk->mimeType($path);
        } catch (\Exception $e) {
            return null;
        }
    }

    protected function safeFileSize($disk, string $path): ?int
    {
        try {
            return $disk->size($path);
        } catch (\Exception $e) {
            return null;
        }
    }

    protected function mutateFormDataBeforeFill(array $data): array
    {
        $data['is_general'] = $data['customer_product_id'] === null;

        return $data;
    }
}