<?php

namespace App\Controllers;

use App\Models\Cashup;
use App\Models\Expense;
use App\Models\Reports\Summary_payments;
use Config\OSPOS;
use Config\Services;

class Cashups extends Secure_Controller
{
    private Cashup $cashup;
    private Expense $expense;
    private Summary_payments $summary_payments;
    private array $config;

    public function __construct()
    {
        parent::__construct('cashups');

        $this->cashup = model(Cashup::class);
        $this->expense = model(Expense::class);
        $this->summary_payments = model(Summary_payments::class);
        $this->config = config(OSPOS::class)->settings;
    }

    /**
     * @return void
     */
    public function getIndex(): void
    {
        $data['table_headers'] = get_cashups_manage_table_headers();

        // filters that will be loaded in the multiselect dropdown
        $data['filters'] = ['is_deleted' => lang('Cashups.is_deleted')];

        echo view('cashups/manage', $data);
    }

    /**
     * @return void
     */
    public function getSearch(): void
    {
        $search = $this->request->getGet('search');
        $limit = $this->request->getGet('limit', FILTER_SANITIZE_NUMBER_INT);
        $offset = $this->request->getGet('offset', FILTER_SANITIZE_NUMBER_INT);
        $sort = $this->sanitizeSortColumn(cashup_headers(), $this->request->getGet('sort', FILTER_SANITIZE_FULL_SPECIAL_CHARS), 'cashup_id');
        $order = $this->request->getGet('order', FILTER_SANITIZE_FULL_SPECIAL_CHARS);
        $filters = [
            'start_date' => $this->request->getGet('start_date', FILTER_SANITIZE_FULL_SPECIAL_CHARS),    // TODO: Is this the best way to filter dates
            'end_date'   => $this->request->getGet('end_date', FILTER_SANITIZE_FULL_SPECIAL_CHARS),
            'is_deleted' => false
        ];

        // Check if any filter is set in the multiselect dropdown
        $request_filters = array_fill_keys($this->request->getGet('filters', FILTER_SANITIZE_FULL_SPECIAL_CHARS) ?? [], true);
        $filters = array_merge($filters, $request_filters);
        $cash_ups = $this->cashup->search($search, $filters, $limit, $offset, $sort, $order);
        $total_rows = $this->cashup->get_found_rows($search, $filters);
        $data_rows = [];
        foreach ($cash_ups->getResult() as $cash_up) {
            $data_rows[] = get_cash_up_data_row($cash_up);
        }

        echo json_encode(['total' => $total_rows, 'rows' => $data_rows]);
    }

    /**
     * @param int $cashup_id
     * @return void
     */
    public function getView(int $cashup_id = NEW_ENTRY): void
    {
        $data = [];

        $data['employees'] = [];
        foreach ($this->employee->get_all()->getResult() as $employee) {
            foreach (get_object_vars($employee) as $property => $value) {
                $employee->$property = $value;
            }

            $data['employees'][$employee->person_id] = $employee->first_name . ' ' . $employee->last_name;
        }

        $cash_ups_info = $this->cashup->get_info($cashup_id);

        foreach (get_object_vars($cash_ups_info) as $property => $value) {
            $cash_ups_info->$property = $value;
        }

        // Open cashup
        if ($cash_ups_info->cashup_id == NEW_ENTRY) {
            $cash_ups_info->open_date = date('Y-m-d H:i:s');
            $cash_ups_info->close_date = $cash_ups_info->open_date;
            $cash_ups_info->open_employee_id = $this->employee->getLoggedInEmployeeInfo()->person_id;
            $cash_ups_info->close_employee_id = $this->employee->getLoggedInEmployeeInfo()->person_id;
        }
        // If all the amounts are null or 0 that means it's a close cashup
        elseif (
            floatval($cash_ups_info->closed_amount_cash) == 0
            && floatval($cash_ups_info->closed_amount_due) == 0
            && floatval($cash_ups_info->closed_amount_card) == 0
            && floatval($cash_ups_info->closed_amount_check) == 0
        ) {
            // Set the close date and time to the actual as this is a close session
            $cash_ups_info->close_date = date('Y-m-d H:i:s');

            // The closed amount starts with the open amount -/+ any trasferred amount
            $cash_ups_info->closed_amount_cash = $cash_ups_info->open_amount_cash + $cash_ups_info->transfer_amount_cash;

            // If it's date mode only and not date & time truncate the open and end date to date only
            if (empty($this->config['date_or_time_format'])) {
                if ($cash_ups_info->open_date != null) {
                    $start_date = substr($cash_ups_info->open_date, 0, 10);
                } else {
                    $start_date = null;
                }
                if ($cash_ups_info->close_date != null) {
                    $end_date = substr($cash_ups_info->close_date, 0, 10);
                } else {
                    $end_date = null;
                }
                // Search for all the payments given the time range
                $inputs = [
                    'start_date'  => $start_date,
                    'end_date'    => $end_date,
                    'sale_type'   => 'complete',
                    'location_id' => 'all'
                ];
            } else {
                // Search for all the payments given the time range
                $inputs = [
                    'start_date'  => $cash_ups_info->open_date,
                    'end_date'    => $cash_ups_info->close_date,
                    'sale_type'   => 'complete',
                    'location_id' => 'all'
                ];
            }

            // Get all the transactions payment summaries
            $reports_data = $this->summary_payments->getData($inputs);

            foreach ($reports_data as $row) {
                if ($row['trans_group'] == lang('Reports.trans_payments')) {
                    if ($row['trans_type'] == lang('Sales.cash')) {
                        $cash_ups_info->closed_amount_cash += $row['trans_amount'];
                    } elseif ($row['trans_type'] == lang('Sales.due')) {
                        $cash_ups_info->closed_amount_due += $row['trans_amount'];
                    } elseif (
                        $row['trans_type'] == lang('Sales.debit') ||
                        $row['trans_type'] == lang('Sales.credit')
                    ) {
                        $cash_ups_info->closed_amount_card += $row['trans_amount'];
                    } elseif ($row['trans_type'] == lang('Sales.check')) {
                        $cash_ups_info->closed_amount_check += $row['trans_amount'];
                    }
                }
            }

            // Lookup expenses paid in cash
            $filters = [
                'only_cash'   => true,
                'only_due'    => false,
                'only_check'  => false,
                'only_credit' => false,
                'only_debit'  => false,
                'is_deleted'  => false
            ];

            $payments = $this->expense->get_payments_summary('', array_merge($inputs, $filters));

            foreach ($payments as $row) {
                $cash_ups_info->closed_amount_cash -= $row['amount'];
            }

            $cash_ups_info->closed_amount_total = $this->_calculate_total($cash_ups_info->open_amount_cash, $cash_ups_info->transfer_amount_cash, $cash_ups_info->closed_amount_cash, $cash_ups_info->closed_amount_due, $cash_ups_info->closed_amount_card, $cash_ups_info->closed_amount_check);
        }

        $data['cash_ups_info'] = $cash_ups_info;

        echo view("cashups/form", $data);
    }

    /**
     * @param int $row_id
     * @return void
     */
    public function getRow(int $row_id): void
    {
        $cash_ups_info = $this->cashup->get_info($row_id);
        $data_row = get_cash_up_data_row($cash_ups_info);

        echo json_encode($data_row);
    }

    /**
     * @param int $cashup_id
     * @return void
     */
    public function postSave(int $cashup_id = NEW_ENTRY): void
    {
        $open_date = $this->request->getPost('open_date');
        $open_date_formatter = date_create_from_format($this->config['dateformat'] . ' ' . $this->config['timeformat'], $open_date);

        $close_date = $this->request->getPost('close_date');
        $close_date_formatter = date_create_from_format($this->config['dateformat'] . ' ' . $this->config['timeformat'], $close_date);

        $cash_up_data = [
            'open_date'            => $open_date_formatter->format('Y-m-d H:i:s'),
            'close_date'           => $close_date_formatter->format('Y-m-d H:i:s'),
            'open_amount_cash'     => parseDecimals($this->request->getPost('open_amount_cash')),
            'transfer_amount_cash' => parseDecimals($this->request->getPost('transfer_amount_cash')),
            'closed_amount_cash'   => parseDecimals($this->request->getPost('closed_amount_cash')),
            'closed_amount_due'    => parseDecimals($this->request->getPost('closed_amount_due')),
            'closed_amount_card'   => parseDecimals($this->request->getPost('closed_amount_card')),
            'closed_amount_check'  => parseDecimals($this->request->getPost('closed_amount_check')),
            'closed_amount_total'  => parseDecimals($this->request->getPost('closed_amount_total')),
            'note'                 => $this->request->getPost('note') != null,
            'description'          => $this->request->getPost('description', FILTER_SANITIZE_FULL_SPECIAL_CHARS),
            'open_employee_id'     => $this->request->getPost('open_employee_id', FILTER_SANITIZE_NUMBER_INT),
            'close_employee_id'    => $this->request->getPost('close_employee_id', FILTER_SANITIZE_NUMBER_INT),
            'deleted'              => $this->request->getPost('deleted') != null
        ];

        if ($this->cashup->save_value($cash_up_data, $cashup_id)) {
            // New cashup_id
            if ($cashup_id == NEW_ENTRY) {
                echo json_encode(['success' => true, 'message' => lang('Cashups.successful_adding'), 'id' => $cash_up_data['cashup_id']]);
            } else { // Existing Cashup
                echo json_encode(['success' => true, 'message' => lang('Cashups.successful_updating'), 'id' => $cashup_id]);
            }
        } else { // Failure
            echo json_encode(['success' => false, 'message' => lang('Cashups.error_adding_updating'), 'id' => NEW_ENTRY]);
        }
    }

    /**
     * @return void
     */
    public function postDelete(): void
    {
        $cash_ups_to_delete = $this->request->getPost('ids', FILTER_SANITIZE_FULL_SPECIAL_CHARS);

        if ($this->cashup->delete_list($cash_ups_to_delete)) {
            echo json_encode(['success' => true, 'message' => lang('Cashups.successful_deleted') . ' ' . count($cash_ups_to_delete) . ' ' . lang('Cashups.one_or_multiple'), 'ids' => $cash_ups_to_delete]);
        } else {
            echo json_encode(['success' => false, 'message' => lang('Cashups.cannot_be_deleted'), 'ids' => $cash_ups_to_delete]);
        }
    }

    /**
     * Calculate the total for cashups. Used in app\Views\cashups\form.php
     *
     * @return void
     * @noinspection PhpUnused
     */
    public function postAjax_cashup_total(): void
    {
        $open_amount_cash = parseDecimals($this->request->getPost('open_amount_cash'));
        $transfer_amount_cash = parseDecimals($this->request->getPost('transfer_amount_cash'));
        $closed_amount_cash = parseDecimals($this->request->getPost('closed_amount_cash'));
        $closed_amount_due = parseDecimals($this->request->getPost('closed_amount_due'));
        $closed_amount_card = parseDecimals($this->request->getPost('closed_amount_card'));
        $closed_amount_check = parseDecimals($this->request->getPost('closed_amount_check'));

        $total = $this->_calculate_total($open_amount_cash, $transfer_amount_cash, $closed_amount_due, $closed_amount_cash, $closed_amount_card, $closed_amount_check);    // TODO: hungarian notation

        echo json_encode(['total' => to_currency_no_money($total)]);
    }

    /**
     * Calculate total
     */
    private function _calculate_total(float $open_amount_cash, float $transfer_amount_cash, float $closed_amount_due, float $closed_amount_cash, float $closed_amount_card, $closed_amount_check): float    // TODO: need to get rid of hungarian notation here. Also, the signature is pretty long.  Perhaps they need to go into an object or array?
    {
        return ($closed_amount_cash - $open_amount_cash - $transfer_amount_cash + $closed_amount_due + $closed_amount_card + $closed_amount_check);
    }
}