<?php

namespace App\Filament\Resources;

use App\Filament\Resources\BulkOperationRunResource\Pages;
use App\Models\BulkOperationRun;
use App\Models\Tenant;
use BackedEnum;
use Filament\Actions;
use Filament\Infolists\Components\TextEntry;
use Filament\Infolists\Components\ViewEntry;
use Filament\Resources\Resource;
use Filament\Schemas\Components\Section;
use Filament\Schemas\Schema;
use Filament\Tables;
use Filament\Tables\Table;
use Illuminate\Database\Eloquent\Builder;
use UnitEnum;

class BulkOperationRunResource extends Resource
{
    protected static bool $isScopedToTenant = false;

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

    protected static string|BackedEnum|null $navigationIcon = 'heroicon-o-clock';

    protected static string|UnitEnum|null $navigationGroup = 'Backups & Restore';

    public static function form(Schema $schema): Schema
    {
        return $schema;
    }

    public static function infolist(Schema $schema): Schema
    {
        return $schema
            ->schema([
                Section::make('Run')
                    ->schema([
                        TextEntry::make('user.name')
                            ->label('Initiator')
                            ->placeholder('—'),
                        TextEntry::make('resource')->badge(),
                        TextEntry::make('action')->badge(),
                        TextEntry::make('status')
                            ->badge()
                            ->color(fn (BulkOperationRun $record): string => static::statusColor($record->status)),
                        TextEntry::make('total_items')->label('Total')->numeric(),
                        TextEntry::make('processed_items')->label('Processed')->numeric(),
                        TextEntry::make('succeeded')->numeric(),
                        TextEntry::make('failed')->numeric(),
                        TextEntry::make('skipped')->numeric(),
                        TextEntry::make('created_at')->dateTime(),
                        TextEntry::make('updated_at')->dateTime(),
                        TextEntry::make('idempotency_key')->label('Idempotency key')->copyable()->placeholder('—'),
                    ])
                    ->columns(2)
                    ->columnSpanFull(),

                Section::make('Items')
                    ->schema([
                        ViewEntry::make('item_ids')
                            ->label('')
                            ->view('filament.infolists.entries.snapshot-json')
                            ->state(fn (BulkOperationRun $record) => $record->item_ids ?? [])
                            ->columnSpanFull(),
                    ])
                    ->columnSpanFull(),

                Section::make('Failures')
                    ->schema([
                        ViewEntry::make('failures')
                            ->label('')
                            ->view('filament.infolists.entries.snapshot-json')
                            ->state(fn (BulkOperationRun $record) => $record->failures ?? [])
                            ->columnSpanFull(),
                    ])
                    ->columnSpanFull(),
            ]);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->defaultSort('id', 'desc')
            ->modifyQueryUsing(function (Builder $query): Builder {
                $tenantId = Tenant::current()->getKey();

                return $query->when($tenantId, fn (Builder $q) => $q->where('tenant_id', $tenantId));
            })
            ->columns([
                Tables\Columns\TextColumn::make('user.name')
                    ->label('Initiator')
                    ->placeholder('—')
                    ->toggleable(),
                Tables\Columns\TextColumn::make('resource')->badge(),
                Tables\Columns\TextColumn::make('action')->badge(),
                Tables\Columns\TextColumn::make('status')
                    ->badge()
                    ->color(fn (BulkOperationRun $record): string => static::statusColor($record->status)),
                Tables\Columns\TextColumn::make('created_at')->since(),
                Tables\Columns\TextColumn::make('total_items')->label('Total')->numeric(),
                Tables\Columns\TextColumn::make('processed_items')->label('Processed')->numeric(),
                Tables\Columns\TextColumn::make('failed')->numeric(),
            ])
            ->actions([
                Actions\ViewAction::make(),
            ])
            ->bulkActions([]);
    }

    public static function getEloquentQuery(): Builder
    {
        return parent::getEloquentQuery()
            ->with('user')
            ->latest('id');
    }

    public static function getPages(): array
    {
        return [
            'index' => Pages\ListBulkOperationRuns::route('/'),
            'view' => Pages\ViewBulkOperationRun::route('/{record}'),
        ];
    }

    private static function statusColor(?string $status): string
    {
        return match ($status) {
            'completed' => 'success',
            'completed_with_errors' => 'warning',
            'failed' => 'danger',
            'running' => 'info',
            default => 'gray',
        };
    }
}