<?php

namespace App\Filament\Resources\Audits\RelationManagers;

use App\Filament\Resources\Agendas\AgendaResource;
use App\Filament\Resources\Agendas\Schemas\AgendaForm;
use App\Filament\Resources\Agendas\Tables\AgendasTable;
use App\Models\Agenda;
use Carbon\Carbon;
use Filament\Actions\CreateAction;
use Filament\Actions\DeleteAction;
use Filament\Actions\EditAction;
use Filament\Actions\ViewAction;
use Filament\Notifications\Notification;
use Filament\Resources\RelationManagers\RelationManager;
use Filament\Schemas\Schema;
use Filament\Support\Icons\Heroicon;
use Filament\Tables\Table;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Support\Facades\DB;
use Livewire\Attributes\On;

class AgendasRelationManager extends RelationManager
{
    protected static string $relationship = 'agendas';
    protected static bool $isLazy = false;

    public array $selectedDates = [];
    #[On('calendar-days-toggled')]
    #[On('calendar-days-cleared')]
    public function updateSelectedDates(array $params): void
    {
        // Filter out invalid dates
        $dates = array_values(
            array_filter(
                $dates ?? [],
                fn (string $date): bool => Carbon::hasFormat($date, 'Y-m-d')
            )
        );

        $this->selectedDates = $params['selectedDates'];

        // Re-render the agenda's table with dates filter applied
        $this->resetTable();
    }

    public function isReadOnly(): bool
    {
        return false;
    }

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

    public function table(Table $table): Table
    {
        $agendasTable = AgendasTable::configure($table)
            ->headerActions([
                CreateAction::make()
                    ->label('Add agenda item')
                    ->modalHeading('Add agenda item')
                    ->modalSubmitActionLabel('Save')
                    ->disableCreateAnother()
                    ->icon(Heroicon::OutlinedPlus)
                    ->successNotification(fn (): Notification =>
                        Notification::make()
                            ->title('Agenda item added')
                            ->body('New agenda item has been succesfully added to the audit.')
                            ->success()
                    )
                    ->after(function (): void {                        
                        $this->dispatch(
                            'agendas-updated',
                            [
                                'eventName' => 'agendas-updated',
                            ],
                        );
                    }),
            ])
            ->recordActions([
                ViewAction::make()
                    ->label('Start')
                    ->color('primary')
                    ->icon(Heroicon::Play)
                    ->url(fn (Agenda $agenda): string => AgendaResource::getUrl('view', ['record' => $agenda])),
                EditAction::make()
                    ->modalSubmitActionLabel('Save')
                    ->successNotification(fn (): Notification =>
                        Notification::make()
                            ->title('Audit updated')
                            ->body('Audit has been updated.')
                            ->success()
                    )
                    ->after(function (): void {                        
                        $this->dispatch(
                            'agendas-updated',
                            [
                                'eventName' => 'agendas-updated',
                            ],
                        );
                    }),

                DeleteAction::make(),
            ]);

        if (empty($this->selectedDates)) {
            return $agendasTable;
        }

        $agendasTable
            ->modifyQueryUsing(fn (Builder $query): Builder =>
                $query->whereIn(DB::raw('DATE(agendas.date_from)'), $this->selectedDates)
            )
            ->emptyStateDescription(function (): string {
                $count = count($this->selectedDates);
                $suffix = $count > 1 ? 'these dates' : 'this date';

                return "No agendas found for {$suffix}.";
            });

        return $agendasTable;
    }
}