<?php

namespace App\Filament\Tenant\Resources\WorkOrderResource\RelationManagers;

use App\Models\Tenant\Labor;
use App\Models\Tenant\User;
use App\Models\Tenant\WorkOrderWork;
use Filament\Actions;
use Filament\Forms;
use Filament\Resources\RelationManagers\RelationManager;
use Filament\Schemas\Components\Utilities\Set;
use Filament\Schemas\Schema;
use Filament\Tables;
use Filament\Tables\Table;

class WorksRelationManager extends RelationManager
{
    protected static string $relationship = 'works';

    protected static ?string $title = null;

    public static function getTitle(\Illuminate\Database\Eloquent\Model $ownerRecord, string $pageClass): string
    {
        return __('Manopere');
    }

    public function form(Schema $schema): Schema
    {
        return $schema->components([
            Forms\Components\Select::make('labor_id')
                ->label(__('Catalog manoperă'))
                ->options(fn () => Labor::where('is_active', true)
                    ->get()
                    ->mapWithKeys(fn ($l) => [$l->id => "[{$l->category}] {$l->name_ro} ({$l->hours}h)"])
                    ->toArray())
                ->searchable()
                ->live()
                ->afterStateUpdated(function ($state, Set $set) {
                    if ($state && $labor = Labor::find($state)) {
                        $set('name', $labor->name_ro);
                        $set('hours', $labor->hours);
                        $set('price_per_hour', $labor->hours > 0 ? round($labor->price / max((float) $labor->hours, 1), 2) : 0);
                    }
                })
                ->columnSpanFull(),
            Forms\Components\TextInput::make('name')->label(__('Nume'))->required()->columnSpanFull(),
            Forms\Components\TextInput::make('hours')->label(__('Ore'))->numeric()->default(1)->required(),
            Forms\Components\TextInput::make('price_per_hour')->label(__('Preț/h'))->numeric()->required(),
            Forms\Components\Select::make('master_id')
                ->label(__('Maistru'))
                ->options(fn () => User::pluck('name', 'id'))
                ->searchable(),
            Forms\Components\Select::make('status')
                ->options(WorkOrderWork::STATUSES)
                ->default('todo')
                ->required(),
            Forms\Components\Textarea::make('notes')->label(__('Notițe'))->columnSpanFull()->rows(2),
        ]);
    }

    /** Global visibility flag from tenant Settings — user can hide margin details in-session. */
    private static function marginDetailsVisible(): bool
    {
        if (! auth()->user()?->canDo(\App\Auth\Permissions::FINANCE_VIEW_INTERNAL_MARGIN)) {
            return false;
        }
        $tenant = app(\App\Tenancy\TenantManager::class)->current();
        return (bool) data_get($tenant?->settings, 'show_internal_margin_details', true);
    }

    public function table(Table $table): Table
    {
        return $table
            ->recordTitleAttribute('name')
            ->columns([
                Tables\Columns\TextColumn::make('name')->label(__('Manoperă'))->wrap(),
                Tables\Columns\TextColumn::make('hours')->label(__('Ore'))->numeric(decimalPlaces: 2)->alignRight(),
                Tables\Columns\TextColumn::make('price_per_hour')->label(__('Preț/h'))->money('MDL')->alignRight(),
                Tables\Columns\TextColumn::make('total')
                    ->label(__('Total'))
                    ->money('MDL')
                    ->alignRight()
                    ->description(function ($record) {
                        if (! self::marginDetailsVisible() || $record->salary_base === null) return null;
                        // WO-level toggle off → hide margin text complet
                        if ($record->workOrder && $record->workOrder->apply_margin === false) return null;
                        if ((float) $record->applied_margin_pct === 0.0) return null;
                        return 'Bază salariu: ' . number_format((float) $record->salary_base, 2) . ' MDL · marjă ' . rtrim(rtrim(number_format((float) $record->applied_margin_pct, 2), '0'), '.') . '%';
                    }),
                Tables\Columns\TextColumn::make('master.name')->label(__('Maistru'))->placeholder('—'),
                Tables\Columns\TextColumn::make('status')
                    ->formatStateUsing(fn ($s) => WorkOrderWork::STATUSES[$s] ?? $s)
                    ->badge()
                    ->colors(['gray' => ['todo'], 'warning' => ['in_progress'], 'success' => ['done']]),
            ])
            ->headerActions([
                Actions\CreateAction::make()
                    ->after(function (WorkOrderWork $record) {
                        // Auto-add the labor's default parts to the parent WO.
                        if (! $record->labor_id) return;
                        $labor = Labor::with('laborParts.part')->find($record->labor_id);
                        $wo = $record->workOrder;
                        if (! $labor || ! $wo || $labor->laborParts->isEmpty()) return;
                        $composer = app(\App\Services\ServiceComposer::class);
                        foreach ($labor->laborParts as $lp) {
                            if ($lp->part) {
                                $composer->addPart($wo, $lp->part, (float) $lp->qty, $lp->unit);
                            }
                        }
                        \Filament\Notifications\Notification::make()
                            ->title('Piese implicite adăugate (' . $labor->laborParts->count() . ')')
                            ->success()->send();
                    }),
            ])
            ->actions([
                Actions\EditAction::make(),
                Actions\DeleteAction::make(),
            ]);
    }
}