<?php

namespace App\Filament\Tenant\Resources;

use App\Filament\Tenant\Resources\SupplierResource\Pages;
use App\Models\Tenant\Supplier;
use Filament\Actions;
use Filament\Forms;
use Filament\Resources\Resource;
use Filament\Schemas;
use Filament\Schemas\Schema;
use Filament\Tables;
use Filament\Tables\Table;

class SupplierResource extends Resource
{
    protected static ?string $model = Supplier::class;

    protected static string|\BackedEnum|null $navigationIcon = 'heroicon-o-building-storefront';

    protected static ?string $navigationLabel = 'Furnizori';

    protected static string|\UnitEnum|null $navigationGroup = 'Depozit';

    protected static ?string $modelLabel = 'furnizor';

    protected static ?string $pluralModelLabel = 'furnizori';

    protected static ?int $navigationSort = 42;

    public static function form(Schema $schema): Schema
    {
        return $schema->components([
            Schemas\Components\Section::make('Identificare')
                ->columns(2)
                ->schema([
                    Forms\Components\TextInput::make('name')->label('Nume')->required()->maxLength(160),
                    Forms\Components\TextInput::make('contact_name')->label('Persoană contact')->maxLength(120),
                    Forms\Components\TextInput::make('phone')->tel()->maxLength(40),
                    Forms\Components\TextInput::make('email')->email()->maxLength(120),
                    Forms\Components\TextInput::make('website')->url()->maxLength(160),
                ]),
            Schemas\Components\Section::make('Comercial')
                ->columns(3)
                ->schema([
                    Forms\Components\TextInput::make('pay_terms')->label('Termeni plată')->placeholder('Net 30 / Avans')->maxLength(60),
                    Forms\Components\TextInput::make('delivery_days')->label('Zile livrare')->numeric()->default(0),
                    Forms\Components\Select::make('rating')
                        ->label('Rating')
                        ->options([1 => '★', 2 => '★★', 3 => '★★★', 4 => '★★★★', 5 => '★★★★★'])
                        ->default(3)
                        ->required(),
                    Forms\Components\TextInput::make('discount_pct')->label('Discount %')->numeric()->default(0),
                    Forms\Components\TagsInput::make('categories')->label('Categorii')->placeholder('Frâne, Ulei, ...')->columnSpan(2),
                    Forms\Components\Toggle::make('is_active')->label('Activ')->default(true),
                ]),
            Forms\Components\Textarea::make('notes')->label('Observații')->columnSpanFull()->rows(2),
        ]);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->columns([
                Tables\Columns\TextColumn::make('name')->searchable()->sortable(),
                Tables\Columns\TextColumn::make('contact_name')->label('Contact')->placeholder('—'),
                Tables\Columns\TextColumn::make('phone')->copyable()->placeholder('—'),
                Tables\Columns\TextColumn::make('rating')
                    ->label('Rating')
                    ->formatStateUsing(fn ($s) => str_repeat('★', (int) $s)),
                Tables\Columns\TextColumn::make('on_time_pct')
                    ->label('La timp 90d')
                    ->state(fn (Supplier $r) => app(\App\Services\Warehouse\SupplierAnalytics::class)->onTimeRate($r))
                    ->formatStateUsing(fn ($s) => $s === null ? '—' : "{$s}%")
                    ->color(fn ($s) => $s === null ? 'gray' : ($s >= 90 ? 'success' : ($s >= 70 ? 'warning' : 'danger')))
                    ->alignRight()
                    ->toggleable(),
                Tables\Columns\TextColumn::make('avg_delivery_days')
                    ->label('Avg zile')
                    ->state(fn (Supplier $r) => app(\App\Services\Warehouse\SupplierAnalytics::class)->avgDeliveryDays($r))
                    ->formatStateUsing(fn ($s) => $s === null ? '—' : (string) $s)
                    ->alignRight()
                    ->toggleable(),
                Tables\Columns\TextColumn::make('spend_90d')
                    ->label('Cheltuit 90d')
                    ->state(fn (Supplier $r) => app(\App\Services\Warehouse\SupplierAnalytics::class)->spend($r))
                    ->money('MDL')
                    ->alignRight()
                    ->toggleable(),
                Tables\Columns\TextColumn::make('delivery_days')->label('Livrare (zile)')->alignRight()->toggleable(),
                Tables\Columns\TextColumn::make('discount_pct')->label('Discount')
                    ->formatStateUsing(fn ($s) => $s . '%')->alignRight()->toggleable(),
                Tables\Columns\IconColumn::make('is_active')->boolean(),
            ])
            ->filters([
                Tables\Filters\TernaryFilter::make('is_active')->label('Activi'),
            ])
            ->actions([
                Actions\Action::make('rate')
                    ->label('Rerating')
                    ->icon('heroicon-m-arrow-path')
                    ->color('gray')
                    ->action(function (Supplier $r) {
                        $score = app(\App\Services\Warehouse\SupplierAnalytics::class)
                            ->computedRating($r);
                        if ($score === null) {
                            \Filament\Notifications\Notification::make()
                                ->title('Date insuficiente')
                                ->body('Necesită cel puțin 2 recepții complete cu data așteptată setată.')
                                ->warning()
                                ->send();
                            return;
                        }
                        $r->rating = $score;
                        $r->saveQuietly();
                        \Filament\Notifications\Notification::make()
                            ->title("Rating actualizat → {$score}★")
                            ->success()
                            ->send();
                    }),
                Actions\EditAction::make(),
                Actions\DeleteAction::make(),
            ])
            ->defaultSort('name');
    }

    public static function getPages(): array
    {
        return [
            'index' => Pages\ListSuppliers::route('/'),
            'create' => Pages\CreateSupplier::route('/create'),
            'edit' => Pages\EditSupplier::route('/{record}/edit'),
        ];
    }
}
