<?php

namespace App\Services;

use App\Models\Franchisee;
use App\Models\FranchiseeUnit;
use App\Models\Unit;
use Illuminate\Database\Eloquent\Collection;
use Illuminate\Http\UploadedFile;
use Illuminate\Support\Facades\Storage;

class UnitService
{
    public function getAll(): Collection
    {
        return Unit::with(['city', 'state'])
            ->orderBy('fantasy_name')
            ->get();
    }

    public function getSelectList(): \Illuminate\Support\Collection
    {
        return Unit::orderBy('fantasy_name')
            ->get(['id', 'fantasy_name']);
    }

    public function findById(int $id): ?Unit
    {
        return Unit::with(['city', 'state'])->find($id);
    }

    public function create(array $data): Unit
    {
        $franchiseeData = [
            'name'             => $data['fantasy_name'],
            'cnpj'             => $data['cnpj'],
            'cpf'              => null,
            'rg'               => null,
            'phone'            => $data['cell_number'] ?? null,
            'cellphone_number' => $data['phone_number'] ?? null,
            'street'           => $data['street'],
            'address_number'   => $data['address_number'] ?? null,
            'neighborhood'     => $data['neighborhood'],
            'postal_code'      => $data['postal_code'],
            'city_id'          => $data['city_id'],
            'state_id'         => $data['state_id'],
            'birth_date'       => null,
        ];

        $data = $this->handleAvatar($data);
        $unit = Unit::create($data);

        $franchisee = Franchisee::create($franchiseeData);

        FranchiseeUnit::create([
            'franchisee_id' => $franchisee->id,
            'unit_id'       => $unit->id,
        ]);

        return $unit;
    }

    public function update(int $id, array $data): ?Unit
    {
        $model = $this->findById($id);

        if (!$model) {
            return null;
        }

        unset($data['franchisee']);

        $data = $this->handleAvatar($data, $model->avatar_url);
        $model->update($data);
        return $model->fresh(['city', 'state']);
    }

    public function delete(int $id): bool
    {
        $model = $this->findById($id);

        if (!$model) {
            return false;
        }

        if ($model->avatar_url) {
            Storage::delete($model->avatar_url);
        }

        return $model->delete();
    }

    private function handleAvatar(array $data, ?string $oldAvatarPath = null): array
    {
        if (!isset($data['avatar'])) {
            return $data;
        }

        if ($data['avatar'] instanceof UploadedFile) {
            if ($oldAvatarPath) {
                Storage::delete($oldAvatarPath);
            }
            $data['avatar_url'] = $data['avatar']->store('units/avatars');
        } elseif (is_null($data['avatar'])) {
            if ($oldAvatarPath) {
                Storage::delete($oldAvatarPath);
            }
            $data['avatar_url'] = null;
        }

        unset($data['avatar']);
        return $data;
    }
}