<?php namespace FireflyIII\Http\Controllers;

use Auth;
use ExpandedForm;
use FireflyIII\Http\Requests;
use Illuminate\Pagination\LengthAwarePaginator;
use Input;
use Session;
use View;


/**
 * Class TransactionController
 *
 * @package FireflyIII\Http\Controllers
 */
class TransactionController extends Controller
{
    /**
     */
    public function __construct()
    {
        View::share('title', 'Transactions');
        View::share('mainTitleIcon', 'fa-repeat');
    }

    /**
     * Shows the view helping the user to create a new transaction journal.
     *
     * @param string $what
     *
     * @return \Illuminate\View\View
     */
    public function create($what = 'deposit')
    {
        $accounts   = ExpandedForm::makeSelectList(
            Auth::user()->accounts()->accountTypeIn(['Default account', 'Asset account'])->where('active', 1)->orderBy('name', 'DESC')->get()
        );
        $budgets    = ExpandedForm::makeSelectList(Auth::user()->budgets()->get());
        $budgets[0] = '(no budget)';
        $piggies    = ExpandedForm::makeSelectList(Auth::user()->piggyBanks()->get());
        $piggies[0] = '(no piggy bank)';
        $preFilled  = Session::has('preFilled') ? Session::get('preFilled') : [];
        $respondTo  = ['account_id', 'account_from_id'];
        $subTitle   = 'Add a new ' . e($what);

        foreach ($respondTo as $r) {
            if (!is_null(Input::get($r))) {
                $preFilled[$r] = Input::get($r);
            }
        }
        Session::put('preFilled', $preFilled);

        asort($piggies);


        return view('transactions.create', compact('accounts', 'budgets', 'what', 'piggies', 'subTitle'));
    }

    /**
     * @param $what
     *
     * @return $this
     */
    public function index($what)
    {
        switch ($what) {
            case 'expenses':
            case 'withdrawal':
                $subTitleIcon = 'fa-long-arrow-left';
                $subTitle     = 'Expenses';
                //$journals     = $this->_repository->getWithdrawalsPaginated(50);
                $types = ['Withdrawal'];
                break;
            case 'revenue':
            case 'deposit':
                $subTitleIcon = 'fa-long-arrow-right';
                $subTitle     = 'Revenue, income and deposits';
                //                $journals     = $this->_repository->getDepositsPaginated(50);
                $types = ['Deposit'];
                break;
            case 'transfer':
            case 'transfers':
                $subTitleIcon = 'fa-arrows-h';
                $subTitle     = 'Transfers';
                //$journals     = $this->_repository->getTransfersPaginated(50);
                $types = ['Transfer'];
                break;
        }

        $page   = intval(\Input::get('page'));
        $offset = $page > 0 ? ($page - 1) * 50 : 0;

        $set      = Auth::user()->transactionJournals()->transactionTypes($types)->withRelevantData()->take(50)->offset($offset)->orderBy('date', 'DESC')->get(
            ['transaction_journals.*']
        );
        $count    = Auth::user()->transactionJournals()->transactionTypes($types)->count();
        $journals = new LengthAwarePaginator($set, $count, 50, $page);
        $journals->setPath('transactions/' . $what);

        return View::make('transactions.index', compact('subTitle', 'what', 'subTitleIcon', 'journals'));

    }

}