<?php

namespace App\Services;

use App\Models\Thema;
use App\Models\AuditLog;
use Illuminate\Database\Eloquent\Collection;
use Illuminate\Support\Facades\Auth;

class ThemaService
{
    public function getAll(): Collection
    {
        return Thema::with(['speerpunten.projects'])->get();
    }

    public function getForMap(): Collection
    {
        return Thema::with([
            'speerpunten.projects' => function ($q) {
                $q->with('eigenaar')
                    ->withCount(['documents', 'commitments', 'risicos']);
            }
        ])->get();
    }

    public function create(array $data): Thema
    {
        $thema = Thema::create([
            'naam' => $data['naam'],
            'beschrijving' => $data['beschrijving'] ?? '',
            'prioriteit' => $data['prioriteit'] ?? \App\Enums\Prioriteit::Midden,
            'periode_start' => $data['periode_start'] ?? null,
            'periode_eind' => $data['periode_eind'] ?? null,
        ]);

        AuditLog::create([
            'user_id' => Auth::id(),
            'action' => 'thema.created',
            'entity_type' => 'thema',
            'entity_id' => $thema->id,
        ]);

        return $thema;
    }

    public function update(Thema $thema, array $data): Thema
    {
        $thema->update(array_filter($data, fn ($v) => $v !== null));

        AuditLog::create([
            'user_id' => Auth::id(),
            'action' => 'thema.updated',
            'entity_type' => 'thema',
            'entity_id' => $thema->id,
        ]);

        return $thema->fresh();
    }
}