<?php
defined('BASEPATH') or exit('No direct script access allowed');

class Credit_cards extends Admin_Controller
{

    public $viewData = array();

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

        // load library
        $this->load->library('session');

        // Load model
        $this->load->model('bank_model');
        $this->load->model('credit_card_model');
        $this->load->model('credit_card_benefit_model');
        $this->load->library('pagination');
        $this->viewData['benefits'] = [];
    }

    protected function renderToolsPage($page_name, $data)
    {
        $this->load->view('admin/view_admin_header', $data);
        $this->load->view('credit_cards/' . $page_name, $data);
        $this->load->view('admin/view_admin_footer', $data);
    }

    public function index()
    {
        $this->renderToolsPage("view_credit_cards", $this->viewData);
    }

    public function loadRecord()
    {
        $rowno = $this->input->get('rowno');
        parse_str($this->input->get('filters'), $filters);
        $filters = array_filter($filters, function($val) {
            return $val !== '';
        });

        // Row per page
        $rowperpage = 10;
        $cur_page = $rowno;

        // Row position
        if ($rowno != 0) {
            $rowno = ($rowno - 1) * $rowperpage;
        }

        // All records count
        $allcount = count($this->credit_card_model->getData($filters));

        // Get records
        $users_record = $this
            ->credit_card_model
            ->getData($filters, $rowperpage, $rowno);

        foreach($users_record as &$ele) {
            
            $ele['benefits'] = array_map(function($ele) {
                $ele['expired_date'] = empty($ele['expired_date'])
                    ? ''
                    : $ele['expired_date'];

                return $ele;
            }, $this
                ->credit_card_benefit_model
                ->getBenefitByCardID($ele['credit_card_id']));

        }

        // Pagination Configuration
        $config['base_url'] = '/Credit_cards/loadRecord';
        $config['use_page_numbers'] = TRUE;
        $config['total_rows'] = $allcount;
        $config['per_page'] = $rowperpage;
        $config['cur_page'] = $cur_page;
        $config['full_tag_open'] = "<ul class='pagination pb-20'>";
        $config['full_tag_close'] = "</ul>";
        $config['num_tag_open'] = '<li>';
        $config['num_tag_close'] = '</li>';
        $config['cur_tag_open'] = "<li class='disabled'><li class='active'><a href='#'>";
        $config['cur_tag_close'] = "<span class='sr-only'></span></a></li>";
        $config['next_tag_open'] = "<li>";
        $config['next_tagl_close'] = "</li>";
        $config['prev_tag_open'] = "<li>";
        $config['prev_tagl_close'] = "</li>";
        $config['first_tag_open'] = "<li>";
        $config['first_tagl_close'] = "</li>";
        $config['last_tag_open'] = "<li>";
        $config['last_tagl_close'] = "</li>";

        // Initialize
        $this->pagination->initialize($config);

        // Initialize $data Array
        $data['pagination'] = $this->pagination->create_links();
        $data['result'] = $users_record;
        $data['row'] = $rowno;

        echo json_encode($data);
    }

    public function create()
    {
        $this->load->helper(array('form', 'url'));
        $this->load->library('form_validation');

        $this->setFormRuleCreate();
        $params = $this->getFormValue();

        if ($this->validateForm($params) === FALSE) {
            $this->renderToolsPage('view_credit_cards', $this->viewData);
            return;
        }

        if ($this->isExistBankNameAndCardType($params)) {
            $this->viewData['msg'] = 'Bank Name and Card Type already input';
            $this->renderToolsPage('view_credit_cards', $this->viewData);
            return;
        }

        $this->insert_record($params);
        redirect('/credit_cards');
    }

    public function setFormRuleCreate()
    {
        $this->form_validation->set_rules('bank_name', 'Bank Name', 'required|max_length[50]');
        $this->form_validation->set_rules('card_name', 'Card Type', 'required|max_length[50]');
        $this->form_validation->set_rules('benefits[]', 'Benefit', 'max_length[256]');
        $this->form_validation->set_rules('expired_date[]', 'Expired Date', 'regex_match[/\d{4}-\d{2}-\d{2}/]');
    }

    private function getFormValue()
    {
        return [
            'bank_name' => trim($this->input->post('bank_name') ?? ''),
            'card_name' => trim($this->input->post('card_name') ?? ''),
            'bank_id' => $this->input->post('bank_id'),
            'credit_card_id' => $this->input->post('credit_card_id'),
            'old_bank_name' => trim($this->input->post('old_bank_name') ?? ''),
            'old_card_name' => trim($this->input->post('old_card_name') ?? ''),
            'benefits[]' => $this->input->post('benefits[]') ?? [],
            'expired_date[]' => $this->input->post('expired_date[]') ?? []
        ];
    }

    public function validateForm(&$params)
    {
        $this->form_validation->set_data($params);

        if ($this->form_validation->run() == false) {
            $this->viewData = array_merge($this->viewData, $params);
            // Rerender filter if validate fail
            $this->viewData['msg'] = validation_errors();
            return FALSE;
        }

        return TRUE;
    }

    private function isExistBankNameAndCardType($data) {
        return $this->credit_card_model->countRecordsByBankAndCardName([
            'bank_name' => $data['bank_name'],
            'card_name' => $data['card_name'],
        ]) > 0;
    }

    private function insert_record($params) {
        $this->db->trans_start(); 
        $this->db->trans_strict(FALSE); 

        $params['bank_id'] = $this->bank_model->insert($params);
        $params['credit_card_id'] = $this->credit_card_model->insert($params);

        $this->credit_card_benefit_model->insert($params);

        $this->db->trans_complete();

        if ($this->db->trans_status() === FALSE) {
            $this->db->trans_rollback();
            $this->viewData['msg'] = 'Something went wrong !!!';
            return FALSE;
        } 
        else {
            $this->db->trans_commit();
            return TRUE;
        }
    }

    public function setFormRuleUpdate()
    {
        $this->form_validation->set_rules('bank_name', 'Bank Name', 'required|max_length[50]');
        $this->form_validation->set_rules('card_name', 'Card Type', 'required|max_length[50]');
        $this->form_validation->set_rules('benefits[]', 'Benefit', 'max_length[256]');
    }

    public function update()
    {
        $this->load->helper(array('form', 'url'));
        $this->load->library('form_validation');

        $this->setFormRuleUpdate();
        $params = $this->getFormValue();
        
        if ($this->validateForm($params) === FALSE) {
            // $this->renderToolsPage('view_credit_cards', $this->viewData);
            $response = array(
                'type' => 'errors',
                'message' => validation_errors()
            );
            return $this->output->set_content_type('application/json')->set_output( json_encode( $response ) );
        }

        if (
            strcmp($params['bank_name'], $params['old_bank_name']) !== 0 ||
            strcmp($params['card_name'], $params['old_card_name']) !== 0
        ) {

            if ($this->isExistBankNameAndCardType($params)) {
                $this->viewData['msg'] = 'Bank Name and Card Type already input';
                $this->renderToolsPage('view_credit_cards', $this->viewData);
                return;
            }
        }

        $update = $this->update_record($params);

        return $this->output->set_content_type('application/json')->set_output( json_encode( $update ) );
    }

    private function update_record($params) {
        $this->db->trans_start(); 
        $this->db->trans_strict(FALSE); 

        $params['bank_id'] = $this->bank_model->insert($params);
        $this->credit_card_model->update($params);

        // delete old records
        $this->credit_card_benefit_model->delete($params);
        $this->credit_card_benefit_model->insert($params);

        $this->db->trans_complete();
        if ($this->db->trans_status() === FALSE) {
            $this->db->trans_rollback();
            $this->viewData['msg'] = 'Something went wrong !!!';
            return FALSE;
        } 
        else {
            $this->db->trans_commit();
            return $params;
        }
    }

    public function destroy() {
        $this->load->helper(array('form', 'url'));
        $this->load->database();

        $params = $this->getFormValue();
        $this->setFormRuleDelete();

        if ($this->validateForm($params) === FALSE) {
            $this->renderToolsPage('view_credit_cards', $this->viewData);
            return;
        }
        
        $result = $this->delete_record($params);

        $this->viewData['msg'] = $result ? "Delete Successful" : "Delete Fail";

        $this->renderToolsPage('view_credit_cards', $this->viewData);
    }

    public function delete_record($params) {
        $this->db->trans_start(); 
        $this->db->trans_strict(FALSE); 

        $this->credit_card_benefit_model->delete($params);
        $this->credit_card_model->delete($params);

        $this->db->trans_complete();
        if ($this->db->trans_status() === FALSE) {
            $this->db->trans_rollback();
            return FALSE;
        } 
        else {
            $this->db->trans_commit();

            if ($this->credit_card_model->count_credit_card($params) === '0') {
                $this->bank_model->delete($params);
            }

            return TRUE;
        }
    }

    private function setFormRuleDelete()
    {
        $this->form_validation->set_rules('credit_card_id', 'Credit', 'required|numeric|exist[credit_cards,id,credit_card_id]');
    }
}