<?php
/**
 * @package       Bicycle
 * @author        Egor Isaev
 * @description   AccountsController.php
 * @copyright (c) 12/08/2026
 */

namespace App\Controller;

use App\Classes\Currency;
use App\Repositories\AccountRateRepository;
use App\Repositories\AccountRepository;
use App\Repositories\UserRepository;
use Services\Auth;
use System\Classes\Controller;
use System\Classes\HTTP\HTTPException;
use System\Classes\MyException;
use System\Classes\Request;
use System\Classes\Validation;

/**
 * CRUD счетов (accounts) — создание/правка/архивация. Ответы — JSON, вызывается
 * ajax'ом с модалки на дашборде (см. App/view/Index/index.html, App/media/js/accounts.js) —
 * своей страницы у счетов нет, см. бюджет_текущий_план.md → Goals → "UI — на дашборде".
 */
class AccountsController extends Controller
{
    protected bool $_auth_protection = true;

    /**
     * @return string JSON
     * @throws MyException
     */
    public function createAction(): string
    {
        $request = Request::$current;
        $user    = $this->currentUser();

        $validation = $this->buildValidation($request->post());

        if (!$validation->check()) {
            return $this->json(['success' => false, 'errors' => $validation->errors()], 422);
        }

        $summa = (float)$request->post('summa');

        if ($summa < 0) {
            return $this->json(['success' => false, 'errors' => ['summa' => 'Сумма не может быть отрицательной']], 422);
        }

        $type_acc     = $request->post('type_acc');
        $rate_percent = $request->post('rate_percent');

        $data = [
            'user_id'          => $user->id,
            'type_acc'         => $type_acc,
            'title'            => $request->post('title'),
            'summa'            => $summa,
            'currency'         => strtoupper((string)$request->post('currency')),
            'description'      => $request->post('description') !== '' ? $request->post('description') : null,
            'include_in_total' => $request->post('include_in_total') !== null,
            'is_delete'        => false,
            'order'            => 0,
        ];

        $account_repo = new AccountRepository();

        $account_repo->transaction(static function () use ($account_repo, $data, $type_acc, $rate_percent) {
            $account_id = $account_repo->create($data);

            if ($type_acc === 'savings' && $rate_percent !== null && $rate_percent !== '') {
                (new AccountRateRepository())->create([
                    'account_id'   => $account_id,
                    'rate_percent' => (float)$rate_percent,
                    'valid_from'   => date('Y-m-d'),
                    'valid_to'     => null,
                ]);
            }

            return $account_id;
        });

        return $this->json(['success' => true]);
    }

    /**
     * @return string JSON
     * @throws HTTPException|MyException
     */
    public function editAction(): string
    {
        $request      = Request::$current;
        $account_repo = new AccountRepository();
        $account      = $this->ownAccount($account_repo, (int)$request->param(0));

        $validation = $this->buildValidation($request->post());

        if (!$validation->check()) {
            return $this->json(['success' => false, 'errors' => $validation->errors()], 422);
        }

        $summa = (float)$request->post('summa');

        if ($summa < 0) {
            return $this->json(['success' => false, 'errors' => ['summa' => 'Сумма не может быть отрицательной']], 422);
        }

        $account_repo->update([
            'id'               => $account->id,
            'type_acc'         => $request->post('type_acc'),
            'title'            => $request->post('title'),
            'summa'            => $summa,
            'currency'         => strtoupper((string)$request->post('currency')),
            'description'      => $request->post('description') !== '' ? $request->post('description') : null,
            'include_in_total' => $request->post('include_in_total') !== null,
        ]);

        return $this->json(['success' => true]);
    }

    /**
     * Архивация (is_delete = 1), не физическое удаление — см. бюджет_текущий_план.md → Accounts.
     *
     * @return string JSON
     * @throws HTTPException|MyException
     */
    public function deleteAction(): string
    {
        $request      = Request::$current;
        $account_repo = new AccountRepository();
        $account      = $this->ownAccount($account_repo, (int)$request->param(0));

        $account_repo->update(['id' => $account->id, 'is_delete' => true]);

        return $this->json(['success' => true]);
    }

    /**
     * Возврат из архива (is_delete = 0).
     *
     * @return string JSON
     * @throws HTTPException|MyException
     */
    public function restoreAction(): string
    {
        $request      = Request::$current;
        $account_repo = new AccountRepository();
        $account      = $this->ownAccount($account_repo, (int)$request->param(0));

        $account_repo->update(['id' => $account->id, 'is_delete' => false]);

        return $this->json(['success' => true]);
    }

    /**
     * Общие правила валидации формы счёта (create/edit).
     *
     * @param array $data
     * @return Validation
     */
    protected function buildValidation(array $data): Validation
    {
        return Validation::factory($data)
            ->label('title', 'Название')
            ->label('type_acc', 'Тип')
            ->label('summa', 'Сумма')
            ->label('currency', 'Валюта')
            ->rule('title', 'required')
            ->rule('title', 'max_length', [128])
            ->rule('type_acc', 'required')
            ->rule('type_acc', 'in', [['cash', 'bank', 'savings']])
            ->rule('summa', 'required')
            ->rule('summa', 'numeric')
            ->rule('currency', 'required')
            ->rule('currency', 'in', [array_keys(Currency::LIST)])
            ->rule('description', 'max_length', [255]);
    }

    /**
     * Бюджетный пользователь (App\Repositories\UserRepository), связанный с текущим логином
     * Services\Auth — см. App\Controller\IndexController за тем же паттерном.
     *
     * @return object
     * @throws HTTPException|MyException
     */
    protected function currentUser(): object
    {
        $auth_user = Auth::instance()->getUser();
        $user      = (new UserRepository())->getByLogin($auth_user['login']);

        if (!$user) {
            throw HTTPException::factory(404);
        }

        return $user;
    }

    /**
     * Счёт по id, принадлежащий текущему пользователю — иначе 404 (не 403, чтобы не подтверждать
     * чужому пользователю сам факт существования id).
     *
     * @param AccountRepository $account_repo
     * @param int               $id
     * @return object
     * @throws HTTPException|MyException
     */
    protected function ownAccount(AccountRepository $account_repo, int $id): object
    {
        $user    = $this->currentUser();
        $account = $account_repo->get($id);

        if (!$account || (int)$account->user_id !== (int)$user->id) {
            throw HTTPException::factory(404);
        }

        return $account;
    }
}