<?php

/**
 * JavascriptController.php
 * Copyright (c) 2019 james@firefly-iii.org
 *
 * This file is part of Firefly III (https://github.com/firefly-iii).
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
declare(strict_types=1);

namespace FireflyIII\Http\Controllers;

use Carbon\Carbon;
use FireflyIII\Enums\AccountTypeEnum;
use FireflyIII\Exceptions\FireflyException;
use FireflyIII\Models\Account;
use FireflyIII\Models\TransactionCurrency;
use FireflyIII\Repositories\Account\AccountRepositoryInterface;
use FireflyIII\Repositories\Currency\CurrencyRepositoryInterface;
use FireflyIII\Support\Facades\Amount;
use FireflyIII\Support\Facades\Preferences;
use FireflyIII\Support\Facades\Steam;
use FireflyIII\Support\Http\Controllers\GetConfigurationData;
use Illuminate\Http\Request;
use Illuminate\Http\Response;
use Psr\Container\ContainerExceptionInterface;
use Psr\Container\NotFoundExceptionInterface;

/**
 * Class JavascriptController.
 */
final class JavascriptController extends Controller
{
    use GetConfigurationData;

    /**
     * Show info about accounts.
     */
    public function accounts(AccountRepositoryInterface $repository): Response
    {
        $accounts = $repository->getAccountsByType([
            AccountTypeEnum::DEFAULT->value,
            AccountTypeEnum::ASSET->value,
            AccountTypeEnum::DEBT->value,
            AccountTypeEnum::LOAN->value,
            AccountTypeEnum::MORTGAGE->value,
            AccountTypeEnum::CREDITCARD->value,
        ]);
        $data     = ['accounts'     => []];

        /** @var Account $account */
        foreach ($accounts as $account) {
            $accountId                    = $account->id;
            $currency                     = (int) $repository->getMetaValue($account, 'currency_id');
            $currency                     = 0 === $currency ? $this->primaryCurrency->id : $currency;
            $entry                        = ['preferredCurrency' => $currency, 'name'              => $account->name];
            $data['accounts'][$accountId] = $entry;
        }

        return response()->view('javascript.accounts', $data)->header('Content-Type', 'text/javascript');
    }

    /**
     * Get info about currencies.
     */
    public function currencies(CurrencyRepositoryInterface $repository): Response
    {
        $currencies = $repository->get();
        $data       = ['currencies'       => []];

        /** @var TransactionCurrency $currency */
        foreach ($currencies as $currency) {
            $currencyId                      = $currency->id;
            $entry                           = ['name'   => $currency->name, 'code'   => $currency->code, 'symbol' => $currency->symbol];
            $data['currencies'][$currencyId] = $entry;
        }

        return response()->view('javascript.currencies', $data)->header('Content-Type', 'text/javascript');
    }

    /**
     * Show some common variables to be used in scripts.
     *
     * @throws FireflyException
     * @throws ContainerExceptionInterface
     * @throws NotFoundExceptionInterface
     */
    public function variables(Request $request, AccountRepositoryInterface $repository): Response
    {
        $account                   = $repository->find((int) $request->get('account'));
        $currency                  = $this->primaryCurrency;
        if ($account instanceof Account) {
            $currency = $repository->getAccountCurrency($account) ?? $this->primaryCurrency;
        }
        $locale                    = Steam::getLocale();
        $accounting                = Amount::getJsConfig();
        $accounting['frac_digits'] = $currency->decimal_places;
        $pref                      = Preferences::get('language', config('firefly.default_language', 'en_US'));
        $lang                      = $pref->data;
        $dateRange                 = $this->getDateRangeConfig();
        $uid                       = substr(hash('sha256', sprintf('%s-%s-%s', (string) config('app.key'), auth()->user()->id, auth()->user()->email)), 0, 12);
        $data                      = [
            'currencyCode'         => $currency->code,
            'currencySymbol'       => $currency->symbol,
            'accountingLocaleInfo' => $accounting,
            'anonymous'            => var_export(Steam::anonymous(), true),
            'language'             => $lang,
            'dateRangeTitle'       => $dateRange['title'],
            'locale'               => $locale,
            'dateRangeConfig'      => $dateRange['configuration'],
            'uid'                  => $uid,
        ];
        $request->session()->keep(['two-factor-secret']);

        return response()->view('javascript.variables', $data)->header('Content-Type', 'text/javascript');
    }

    /**
     * Bit of a hack but OK.
     */
    public function variablesV2(): Response
    {
        /** @var Carbon $start */
        $start = clone session('start', today(config('app.timezone'))->startOfMonth());

        /** @var Carbon $end */
        $end   = clone session('end', today(config('app.timezone'))->endOfMonth());

        $data  = ['start' => $start->format('Y-m-d'), 'end'   => $end->format('Y-m-d')];

        return response()->view('v2.javascript.variables', $data)->header('Content-Type', 'text/javascript');
    }
}
