<?php

namespace App\Filament\Admin\Resources\Mounts;

use App\Enums\TablerIcon;
use App\Filament\Admin\Resources\Mounts\Pages\CreateMount;
use App\Filament\Admin\Resources\Mounts\Pages\EditMount;
use App\Filament\Admin\Resources\Mounts\Pages\ListMounts;
use App\Filament\Admin\Resources\Mounts\Pages\ViewMount;
use App\Models\Mount;
use App\Traits\Filament\CanCustomizePages;
use App\Traits\Filament\CanCustomizeRelations;
use App\Traits\Filament\CanModifyForm;
use App\Traits\Filament\CanModifyTable;
use BackedEnum;
use Exception;
use Filament\Actions\BulkActionGroup;
use Filament\Actions\CreateAction;
use Filament\Actions\DeleteBulkAction;
use Filament\Actions\EditAction;
use Filament\Actions\ViewAction;
use Filament\Forms\Components\Select;
use Filament\Forms\Components\Textarea;
use Filament\Forms\Components\TextInput;
use Filament\Forms\Components\ToggleButtons;
use Filament\Resources\Pages\PageRegistration;
use Filament\Resources\Resource;
use Filament\Schemas\Components\Section;
use Filament\Schemas\Components\StateCasts\BooleanStateCast;
use Filament\Schemas\Schema;
use Filament\Tables\Columns\TextColumn;
use Filament\Tables\Table;
use Illuminate\Database\Eloquent\Builder;

class MountResource extends Resource
{
    use CanCustomizePages;
    use CanCustomizeRelations;
    use CanModifyForm;
    use CanModifyTable;

    protected static ?string $model = Mount::class;

    protected static string|BackedEnum|null $navigationIcon = TablerIcon::LayersLinked;

    protected static ?string $recordTitleAttribute = 'name';

    public static function getNavigationLabel(): string
    {
        return trans('admin/mount.nav_title');
    }

    public static function getModelLabel(): string
    {
        return trans('admin/mount.model_label');
    }

    public static function getPluralModelLabel(): string
    {
        return trans('admin/mount.model_label_plural');
    }

    public static function getNavigationBadge(): ?string
    {
        return (string) static::getEloquentQuery()->count() ?: null;
    }

    public static function getNavigationGroup(): ?string
    {
        return trans('admin/dashboard.advanced');
    }

    /**
     * @throws Exception
     */
    public static function defaultTable(Table $table): Table
    {
        return $table
            ->columns([
                TextColumn::make('name')
                    ->label(trans('admin/mount.table.name'))
                    ->description(fn (Mount $mount) => "$mount->source -> $mount->target")
                    ->sortable(),
                TextColumn::make('eggs.name')
                    ->label(trans('admin/mount.eggs'))
                    ->badge()
                    ->placeholder(trans('admin/mount.table.all_eggs')),
                TextColumn::make('nodes.name')
                    ->label(trans('admin/mount.nodes'))
                    ->badge()
                    ->placeholder(trans('admin/mount.table.all_nodes')),
                TextColumn::make('read_only')
                    ->label(trans('admin/mount.table.read_only'))
                    ->badge()
                    ->icon(fn ($state) => $state ? TablerIcon::WritingOff : TablerIcon::Writing)
                    ->color(fn ($state) => $state ? 'success' : 'warning')
                    ->formatStateUsing(fn ($state) => $state ? trans('admin/mount.toggles.read_only') : trans('admin/mount.toggles.writable')),
                TextColumn::make('user_mountable')
                    ->label(trans('admin/mount.table.user_mountable'))
                    ->badge()
                    ->icon(fn ($state) => $state ? TablerIcon::User : TablerIcon::UserOff)
                    ->color(fn ($state) => $state ? 'success' : 'warning')
                    ->formatStateUsing(fn ($state) => $state ? trans('admin/mount.toggles.user_mountable') : trans('admin/mount.toggles.not_user_mountable')),
            ])
            ->recordActions([
                ViewAction::make()
                    ->hidden(fn ($record) => static::getEditAuthorizationResponse($record)->allowed()),
                EditAction::make(),
            ])
            ->toolbarActions([
                CreateAction::make(),
                BulkActionGroup::make([
                    DeleteBulkAction::make('exclude_bulk_delete'),
                ]),
            ])
            ->emptyStateIcon(TablerIcon::LayersLinked)
            ->emptyStateDescription('')
            ->emptyStateHeading(trans('admin/mount.no_mounts'));
    }

    /**
     * @throws Exception
     */
    public static function defaultForm(Schema $schema): Schema
    {
        return $schema
            ->components([
                Section::make()->schema([
                    TextInput::make('name')
                        ->label(trans('admin/mount.name'))
                        ->required()
                        ->helperText(trans('admin/mount.name_help'))
                        ->maxLength(64)
                        ->columnSpanFull(),
                    ToggleButtons::make('read_only')
                        ->label(trans('admin/mount.read_only'))
                        ->helperText(trans('admin/mount.read_only_help'))
                        ->stateCast(new BooleanStateCast(false, true))
                        ->options([
                            false => trans('admin/mount.toggles.writable'),
                            true => trans('admin/mount.toggles.read_only'),
                        ])
                        ->icons([
                            false => TablerIcon::Writing,
                            true => TablerIcon::WritingOff,
                        ])
                        ->colors([
                            false => 'warning',
                            true => 'success',
                        ])
                        ->inline()
                        ->default(false),
                    ToggleButtons::make('user_mountable')
                        ->label(trans('admin/mount.user_mountable'))
                        ->helperText(trans('admin/mount.user_mountable_help'))
                        ->stateCast(new BooleanStateCast(false, true))
                        ->options([
                            false => trans('admin/mount.toggles.not_user_mountable'),
                            true => trans('admin/mount.toggles.user_mountable'),
                        ])
                        ->icons([
                            false => TablerIcon::UserOff,
                            true => TablerIcon::User,
                        ])
                        ->colors([
                            false => 'warning',
                            true => 'success',
                        ])
                        ->inline()
                        ->default(true),
                    TextInput::make('source')
                        ->label(trans('admin/mount.source'))
                        ->required()
                        ->helperText(trans('admin/mount.source_help'))
                        ->maxLength(255),
                    TextInput::make('target')
                        ->label(trans('admin/mount.target'))
                        ->required()
                        ->helperText(trans('admin/mount.target_help'))
                        ->maxLength(255),
                    Textarea::make('description')
                        ->label(trans('admin/mount.description'))
                        ->helperText(trans('admin/mount.description_help'))
                        ->columnSpanFull(),
                ])
                    ->columnSpan([
                        'default' => 1,
                        'lg' => 2,
                    ])
                    ->columns([
                        'default' => 1,
                        'xl' => 2,
                    ]),
                Section::make()->schema([
                    Select::make('eggs')
                        ->multiple()
                        ->label(trans('admin/mount.eggs'))
                        // Selecting only non-json fields to prevent Postgres from choking on DISTINCT JSON columns
                        ->relationship('eggs', 'name', fn (Builder $query) => $query->select(['eggs.id', 'eggs.name']))
                        ->preload(),
                    Select::make('nodes')
                        ->multiple()
                        ->label(trans('admin/mount.nodes'))
                        ->relationship('nodes', 'name', fn (Builder $query) => $query->whereIn('nodes.id', user()?->accessibleNodes()->pluck('id')))
                        ->searchable(['name', 'fqdn'])
                        ->preload(),
                ]),
            ])->columns([
                'default' => 1,
                'lg' => 3,
            ]);
    }

    /** @return array<string, PageRegistration> */
    public static function getDefaultPages(): array
    {
        return [
            'index' => ListMounts::route('/'),
            'create' => CreateMount::route('/create'),
            'view' => ViewMount::route('/{record}'),
            'edit' => EditMount::route('/{record}/edit'),
        ];
    }

    public static function getEloquentQuery(): Builder
    {
        $query = parent::getEloquentQuery();

        return $query->where(function (Builder $query) {
            return $query->whereHas('nodes', function (Builder $query) {
                $query->whereIn('nodes.id', user()?->accessibleNodes()->pluck('id'));
            })->orDoesntHave('nodes');
        });
    }
}