<?php

use ProcessMaker\Plugins\PluginRegistry;

class Applications
{
    /**
     * This function return information by searching cases
     *
     * The query is related to advanced search with different filters
     * We can search by process, status of case, category of process, users, delegate date from and to
     *
     * @param string $userUid
     * @param integer $start for the pagination
     * @param integer $limit for the pagination
     * @param string $search
     * @param integer $process the pro_id
     * @param integer $status of the case
     * @param string $dir if the order is DESC or ASC
     * @param string $sort name of column by sort, can be:
     *        [APP_NUMBER, APP_TITLE, APP_PRO_TITLE, APP_TAS_TITLE, APP_CURRENT_USER, APP_UPDATE_DATE, DEL_DELEGATE_DATE, DEL_TASK_DUE_DATE, APP_STATUS_LABEL]
     * @param string $category uid for the process
     * @param date $dateFrom
     * @param date $dateTo
     * @param string $filterBy name of column for a specific search, can be: [APP_NUMBER, APP_TITLE, TAS_TITLE]
     * @return array $result result of the query
     */
    public function searchAll(
        $userUid,
        $start = null,
        $limit = null,
        $search = null,
        $process = null,
        $status = null,
        $dir = null,
        $sort = null,
        $category = null,
        $dateFrom = null,
        $dateTo = null,
        $filterBy = 'APP_TITLE'
    ) {
        //Start the connection to database
        $con = Propel::getConnection(AppDelegationPeer::DATABASE_NAME);

        //Sanitize input variables
        $inputFilter = new InputFilter();
        $userUid = (int)$inputFilter->validateInput($userUid, 'int');
        $start = (int)$inputFilter->validateInput($start, 'int');
        $limit = (int)$inputFilter->validateInput($limit, 'int');
        $search = $inputFilter->escapeUsingConnection($search, $con);
        $process = (int)$inputFilter->validateInput($process, 'int');

        //$status doesn't require sanitization
        $dir = in_array($dir, ['ASC', 'DESC']) ? $dir :'DESC';
        $sort = $inputFilter->escapeUsingConnection($sort, $con);
        $category = $inputFilter->escapeUsingConnection($category, $con);
        $dateFrom = $inputFilter->escapeUsingConnection($dateFrom, $con);
        $dateTo = $inputFilter->escapeUsingConnection($dateTo, $con);
        $filterBy = $inputFilter->escapeUsingConnection($filterBy, $con);

        //Start the transaction
        $con->begin();
        $stmt = $con->createStatement();

        $sqlData = "SELECT
                    STRAIGHT_JOIN APPLICATION.APP_NUMBER,
                    APPLICATION.APP_UID,
                    APPLICATION.APP_STATUS,
                    APPLICATION.APP_STATUS AS APP_STATUS_LABEL,
                    APPLICATION.PRO_UID,
                    APPLICATION.APP_CREATE_DATE,
                    APPLICATION.APP_FINISH_DATE,
                    APPLICATION.APP_UPDATE_DATE,
                    APPLICATION.APP_TITLE,
                    APP_DELEGATION.USR_UID,
                    APP_DELEGATION.TAS_UID,
                    APP_DELEGATION.DEL_INDEX,
                    APP_DELEGATION.DEL_LAST_INDEX,
                    APP_DELEGATION.DEL_DELEGATE_DATE,
                    APP_DELEGATION.DEL_INIT_DATE,
                    APP_DELEGATION.DEL_FINISH_DATE,
                    APP_DELEGATION.DEL_TASK_DUE_DATE,
                    APP_DELEGATION.DEL_RISK_DATE,
                    APP_DELEGATION.DEL_THREAD_STATUS,
                    APP_DELEGATION.DEL_PRIORITY,
                    APP_DELEGATION.DEL_DURATION,
                    APP_DELEGATION.DEL_QUEUE_DURATION,
                    APP_DELEGATION.DEL_STARTED,
                    APP_DELEGATION.DEL_DELAY_DURATION,
                    APP_DELEGATION.DEL_FINISHED,
                    APP_DELEGATION.DEL_DELAYED,
                    APP_DELEGATION.DEL_DELAY_DURATION,
                    TASK.TAS_TITLE AS APP_TAS_TITLE,
                    TASK.TAS_TYPE AS APP_TAS_TYPE,
                    USERS.USR_LASTNAME,
                    USERS.USR_FIRSTNAME,
                    USERS.USR_USERNAME,
                    PROCESS.PRO_TITLE AS APP_PRO_TITLE
                FROM APP_DELEGATION
        ";
        $sqlData .= " LEFT JOIN APPLICATION ON (APP_DELEGATION.APP_NUMBER = APPLICATION.APP_NUMBER)";
        $sqlData .= " LEFT JOIN TASK ON (APP_DELEGATION.TAS_ID = TASK.TAS_ID ";
        //Exclude the Task Dummies in the delegations
        $sqlData .= " AND TASK.TAS_TYPE <> 'WEBENTRYEVENT' AND TASK.TAS_TYPE <>  'END-MESSAGE-EVENT' AND TASK.TAS_TYPE <> 'START-MESSAGE-EVENT' AND TASK.TAS_TYPE <> 'INTERMEDIATE-THROW')";
        $sqlData .= " LEFT JOIN USERS ON (APP_DELEGATION.USR_ID = USERS.USR_ID)";
        $sqlData .= " LEFT JOIN PROCESS ON (APP_DELEGATION.PRO_ID = PROCESS.PRO_ID)";

        $sqlData .= " WHERE 1";
        switch ($status) {
            case 1: //DRAFT
                $sqlData .= " AND APP_DELEGATION.DEL_THREAD_STATUS = 'OPEN'";
                $sqlData .= " AND APPLICATION.APP_STATUS_ID = 1";
                break;
            case 2: //TO_DO
                $sqlData .= " AND APP_DELEGATION.DEL_THREAD_STATUS = 'OPEN'";
                $sqlData .= " AND APPLICATION.APP_STATUS_ID = 2";
                break;
            case 3: //COMPLETED
                $sqlData .= " AND APPLICATION.APP_STATUS_ID = 3";
                $sqlData .= " AND APP_DELEGATION.DEL_LAST_INDEX = 1";
                break;
            case 4: //CANCELLED
                $sqlData .= " AND APPLICATION.APP_STATUS_ID = 4";
                $sqlData .= " AND APP_DELEGATION.DEL_LAST_INDEX = 1";
                break;
            case "PAUSED": //This status is not considered in the search, maybe we can add in the new versions
                $sqlData .= " AND APPLICATION.APP_STATUS = 'TO_DO'";
                break;
            default: //All status
                //When the status is TO_DO, we will get all the open threads
                $sqlData .= " AND (APP_DELEGATION.DEL_THREAD_STATUS = 'OPEN' ";
                //When the status is COMPLETED or CANCELLED, we will get the last task that with completed/cancelled the case
                $sqlData .= " OR (APP_DELEGATION.DEL_THREAD_STATUS = 'CLOSED' AND APP_DELEGATION.DEL_LAST_INDEX = 1 AND APPLICATION.APP_STATUS_ID IN (3,4))) ";
                break;
        }

        if (!empty($userUid)) {
            $sqlData .= " AND APP_DELEGATION.USR_ID = " . $userUid;
        }

        if (!empty($process)) {
            $sqlData .= " AND APP_DELEGATION.PRO_ID = " . $process;
        }

        if (!empty($category)) {
            $category = mysqli_real_escape_string($con->getResource(), $category);
            $sqlData .= " AND PROCESS.PRO_CATEGORY = '{$category}'";
        }

        if (!empty($search)) {
            //Search: we need to considerate the filterBy and the sortColumn
            $appColumns = ['APP_NUMBER', 'APP_TITLE'];
            if (in_array($sort, $appColumns) && in_array($filterBy, $appColumns)) {
                $sqlData .= " AND APP_DELEGATION.APP_NUMBER IN (";
                //Sub query: get the appNumber(s) that match with the search
                $sqlData .= " SELECT APPLICATION.APP_NUMBER FROM APPLICATION WHERE APPLICATION.{$filterBy} LIKE '%{$search}%'";
                $sqlData .= " ORDER BY APPLICATION.{$sort} " . $dir;
                //End sub query
                $sqlData .= " )";
            } else {
                //If the filter is related to the APP_DELEGATION table: APP_NUMBER
                if ($filterBy === 'APP_NUMBER') {
                    $sqlData .= " AND APP_DELEGATION.APP_NUMBER LIKE '%{$search}%' ";
                }
                //If the filter is related to the APPLICATION table: APP_TITLE
                if ($filterBy === 'APP_TITLE') {
                    $sqlData .= " AND APPLICATION.APP_TITLE LIKE '%{$search}%' ";
                }
                //If the filter is related to the TASK table: TAS_TITLE
                if ($filterBy === 'TAS_TITLE') {
                    $sqlData .= " AND TASK.TAS_TITLE LIKE '%{$search}%' ";
                }
            }
        }

        if (!empty($dateFrom)) {
            $sqlData .= " AND APP_DELEGATION.DEL_DELEGATE_DATE >= '{$dateFrom}'";
        }

        if (!empty($dateTo)) {
            $dateTo = $dateTo . " 23:59:59";
            $sqlData .= " AND APP_DELEGATION.DEL_DELEGATE_DATE <= '{$dateTo}'";
        }

        //Sorts the records in descending order by default
        if (!empty($sort)) {
            switch ($sort) {
                case 'APP_NUMBER':
                    //The order by APP_DELEGATION.APP_NUMBER is must be fast than APPLICATION.APP_NUMBER
                    $orderBy = 'APP_DELEGATION.APP_NUMBER ' . $dir;
                    break;
                case 'APP_CURRENT_USER':
                    //@todo: this section needs to use 'User Name Display Format', currently in the extJs is defined this
                    //The column APP_CURRENT_USER is result of concat those fields
                    $orderBy = 'USR_LASTNAME ' . $dir . ' ,USR_FIRSTNAME ' . $dir;
                    break;
                default:
                    $orderBy = $sort ." ". $dir;
            }
            $sqlData .= " ORDER BY " . $orderBy;
        }

        //Define the number of records by return
        if (empty($limit)) {
            $limit = 25;
        }
        if (!empty($start)) {
            $sqlData .= " LIMIT $start, " . $limit;
        } else {
            $sqlData .= " LIMIT " . $limit;
        }

        $dataset = $stmt->executeQuery($sqlData);
        $result = [];
        //By performance enable always the pagination
        $result['totalCount'] = $start + $limit + 1;
        $rows = [];
        $priorities = ['1' => 'VL','2' => 'L','3' => 'N','4' => 'H','5' => 'VH'];
        while ($dataset->next()) {
            $row = $dataset->getRow();
            if (isset( $row['APP_STATUS'] )) {
                $row['APP_STATUS_LABEL'] = G::LoadTranslation( "ID_{$row['APP_STATUS']}" );
            }
            if (isset( $row['DEL_PRIORITY'] )) {
                $row['DEL_PRIORITY'] = G::LoadTranslation( "ID_PRIORITY_{$priorities[$row['DEL_PRIORITY']]}" );
            }
            //@todo: this section needs to use 'User Name Display Format', currently in the extJs is defined this
            $row["APP_CURRENT_USER"] = $row["USR_LASTNAME"].' '.$row["USR_FIRSTNAME"];
            $row["APPDELCR_APP_TAS_TITLE"] = '';
            $row["USRCR_USR_UID"] = $row["USR_UID"];
            $row["USRCR_USR_FIRSTNAME"] = $row["USR_FIRSTNAME"];
            $row["USRCR_USR_LASTNAME"] = $row["USR_LASTNAME"];
            $row["USRCR_USR_USERNAME"] = $row["USR_USERNAME"];
            $row["APP_OVERDUE_PERCENTAGE"] = '';
            $rows[] = $row;
        }
        $result['data'] = $rows;

        return $result;
    }

    //TODO: Encapsulates these and another default generation functions inside a class
    /**
     * generate all the default fields
     *
     * @return Array $fields
     */
    public function setDefaultFields()
    {
        $fields = [];
        $fields['APP_NUMBER'] = array('name' => 'APP_NUMBER','fieldType' => 'case field','label' => G::loadTranslation('ID_CASESLIST_APP_NUMBER'),'width' => 40,'align' => 'left'
        );
        $fields['APP_UID'] = array('name' => 'APP_UID','fieldType' => 'key','label' => G::loadTranslation('ID_CASESLIST_APP_UID'),'width' => 80,'align' => 'left'
        );
        $fields['DEL_INDEX'] = array('name' => 'DEL_INDEX','fieldType' => 'key','label' => G::loadTranslation('ID_CASESLIST_DEL_INDEX'),'width' => 50,'align' => 'left'
        );
        $fields['TAS_UID'] = array('name' => 'TAS_UID','fieldType' => 'case field','label' => G::loadTranslation('ID_CASESLIST_TAS_UID'),'width' => 80,'align' => 'left'
        );
        $fields['USR_UID'] = array('name' => 'USR_UID','fieldType' => 'case field','label' => G::loadTranslation('ID_CASESLIST_USR_UID'),'width' => 80,'align' => 'left','hidden' => true
        );
        $fields['PREVIOUS_USR_UID'] = array('name' => 'PREVIOUS_USR_UID','fieldType' => 'case field','label' => G::loadTranslation('ID_CASESLIST_PREVIOUS_USR_UID'),'width' => 80,'align' => 'left','hidden' => true
        );
        $fields['APP_TITLE'] = array('name' => 'APP_TITLE','fieldType' => 'case field','label' => G::loadTranslation('ID_CASESLIST_APP_TITLE'),'width' => 140,'align' => 'left'
        );
        $fields['APP_PRO_TITLE'] = array('name' => 'APP_PRO_TITLE','fieldType' => 'case field','label' => G::loadTranslation('ID_CASESLIST_APP_PRO_TITLE'),'width' => 140,'align' => 'left'
        );
        $fields['APP_TAS_TITLE'] = array('name' => 'APP_TAS_TITLE','fieldType' => 'case field','label' => G::loadTranslation('ID_CASESLIST_APP_TAS_TITLE'),'width' => 140,'align' => 'left'
        );
        $fields['APP_DEL_PREVIOUS_USER'] = array('name' => 'APP_DEL_PREVIOUS_USER','fieldType' => 'case field','label' => G::loadTranslation('ID_CASESLIST_APP_DEL_PREVIOUS_USER'),'width' => 120,'align' => 'left'
        );
        $fields['APP_CURRENT_USER'] = array('name' => 'APP_CURRENT_USER','fieldType' => 'case field','label' => G::loadTranslation('ID_CASESLIST_APP_CURRENT_USER'),'width' => 120,'align' => 'left'
        );
        $fields['USR_FIRSTNAME'] = array('name' => 'USR_FIRSTNAME','fieldType' => 'case field','label' => G::loadTranslation('ID_CASESLIST_APP_CURRENT_USER'),'width' => 120,'align' => 'left'
        );
        $fields['USR_LASTNAME'] = array('name' => 'USR_LASTNAME','fieldType' => 'case field','label' => G::loadTranslation('ID_CASESLIST_APP_CURRENT_USER'),'width' => 120,'align' => 'left'
        );
        $fields['DEL_TASK_DUE_DATE'] = array('name' => 'DEL_TASK_DUE_DATE','fieldType' => 'case field','label' => G::loadTranslation('ID_CASESLIST_DEL_TASK_DUE_DATE'),'width' => 100,'align' => 'left'
        );
        $fields['APP_UPDATE_DATE'] = array('name' => 'APP_UPDATE_DATE','fieldType' => 'case field','label' => G::loadTranslation('ID_CASESLIST_APP_UPDATE_DATE'),'width' => 100,'align' => 'left'
        );
        $fields['DEL_PRIORITY'] = array('name' => 'DEL_PRIORITY','fieldType' => 'case field','label' => G::loadTranslation('ID_CASESLIST_DEL_PRIORITY'),'width' => 80,'align' => 'left'
        );
        $fields['APP_STATUS'] = array('name' => 'APP_STATUS','fieldType' => 'case field','label' => G::loadTranslation('ID_CASESLIST_APP_STATUS'),'width' => 80,'align' => 'left'
        );
        $fields['APP_FINISH_DATE'] = array('name' => 'APP_FINISH_DATE','fieldType' => 'case field','label' => G::loadTranslation('ID_CASESLIST_APP_FINISH_DATE'),'width' => 100,'align' => 'left'
        );
        $fields['APP_DELAY_UID'] = array('name' => 'APP_DELAY_UID','fieldType' => 'delay field','label' => G::loadTranslation('ID_CASESLIST_APP_DELAY_UID'),'width' => 100,'align' => 'left'
        );
        $fields['APP_THREAD_INDEX'] = array('name' => 'APP_THREAD_INDEX','fieldType' => 'delay field','label' => G::loadTranslation('ID_CASESLIST_APP_THREAD_INDEX'),'width' => 100,'align' => 'left'
        );
        $fields['APP_DEL_INDEX'] = array('name' => 'APP_DEL_INDEX','fieldType' => 'delay field','label' => G::loadTranslation('ID_CASESLIST_APP_DEL_INDEX'),'width' => 100,'align' => 'left'
        );
        $fields['APP_TYPE'] = array('name' => 'APP_TYPE','fieldType' => 'delay field','label' => G::loadTranslation('ID_CASESLIST_APP_TYPE'),'width' => 100,'align' => 'left'
        );
        $fields['APP_DELEGATION_USER'] = array('name' => 'APP_DELEGATION_USER','fieldType' => 'delay field','label' => G::loadTranslation('ID_CASESLIST_APP_DELEGATION_USER'),'width' => 100,'align' => 'left'
        );
        $fields['APP_ENABLE_ACTION_USER'] = array('name' => 'APP_ENABLE_ACTION_USER','fieldType' => 'delay field','label' => G::loadTranslation('ID_CASESLIST_APP_ENABLE_ACTION_USER'),'width' => 100,'align' => 'left'
        );
        $fields['APP_ENABLE_ACTION_DATE'] = array('name' => 'APP_ENABLE_ACTION_DATE','fieldType' => 'delay field','label' => G::loadTranslation('ID_CASESLIST_AAPP_ENABLE_ACTION_DATE'),'width' => 100,'align' => 'left'
        );
        $fields['APP_DISABLE_ACTION_USER'] = array('name' => 'APP_DISABLE_ACTION_USER','fieldType' => 'delay field','label' => G::loadTranslation('ID_CASESLIST_APP_DISABLE_ACTION_USER'),'width' => 100,'align' => 'left'
        );
        $fields['APP_DISABLE_ACTION_DATE'] = array('name' => 'APP_DISABLE_ACTION_DATE','fieldType' => 'delay field','label' => G::loadTranslation('ID_CASESLIST_APP_DISABLE_ACTION_DATE'),'width' => 100,'align' => 'left'
        );
        $fields['APP_AUTOMATIC_DISABLED_DATE'] = array('name' => 'APP_AUTOMATIC_DISABLED_DATE','fieldType' => 'delay field','label' => G::loadTranslation('ID_CASESLIST_APP_AUTOMATIC_DISABLED_DATE'),'width' => 100,'align' => 'left'
        );
        return $fields;
    }

    /**
     * this function return the default fields for a default case list
     *
     * @param $action
     * @return an array with the default fields for an specific case list (action)
     */
    public function getDefaultFields($action)
    {
        $rows = [];
        switch ($action) {
            case 'todo': // #, Case, task, process, sent by, due date, Last Modify, Priority
                $fields = $this->setDefaultFields();
                $rows[] = $fields['APP_UID'];
                $rows[] = $fields['DEL_INDEX'];
                $rows[] = $fields['USR_UID'];
                $rows[] = $fields['PREVIOUS_USR_UID'];
                $rows[] = $fields['APP_NUMBER'];
                $rows[] = $fields['APP_TITLE'];
                $rows[] = $fields['APP_PRO_TITLE'];
                $rows[] = $fields['APP_TAS_TITLE'];
                $rows[] = $fields['APP_DEL_PREVIOUS_USER'];
                $rows[] = $fields['DEL_TASK_DUE_DATE'];
                $rows[] = $fields['APP_UPDATE_DATE'];
                $rows[] = $fields['DEL_PRIORITY'];
                break;
            case 'draft': //#, Case, task, process, due date, Last Modify, Priority },
                $fields = $this->setDefaultFields();
                $rows[] = $fields['APP_UID'];
                $rows[] = $fields['DEL_INDEX'];
                $rows[] = $fields['USR_UID'];
                $rows[] = $fields['PREVIOUS_USR_UID'];
                $rows[] = $fields['APP_NUMBER'];
                $rows[] = $fields['APP_TITLE'];
                $rows[] = $fields['APP_PRO_TITLE'];
                $rows[] = $fields['APP_TAS_TITLE'];
                $rows[] = $fields['DEL_TASK_DUE_DATE'];
                $rows[] = $fields['APP_UPDATE_DATE'];
                $rows[] = $fields['DEL_PRIORITY'];
                break;
            case 'sent': // #, Case, task, process, current user, sent by, Last Modify, Status
                $fields = $this->setDefaultFields();
                $rows[] = $fields['APP_UID'];
                $rows[] = $fields['DEL_INDEX'];
                $rows[] = $fields['USR_UID'];
                $rows[] = $fields['PREVIOUS_USR_UID'];
                $rows[] = $fields['APP_NUMBER'];
                $rows[] = $fields['APP_TITLE'];
                $rows[] = $fields['APP_PRO_TITLE'];
                $rows[] = $fields['APP_TAS_TITLE'];
                $rows[] = $fields['APP_DEL_PREVIOUS_USER'];
                $rows[] = $fields['APP_CURRENT_USER'];
                $rows[] = $fields['APP_UPDATE_DATE'];
                $rows[] = $fields['APP_STATUS'];
                $rows[] = $fields['USR_FIRSTNAME'];
                $rows[] = $fields['USR_LASTNAME'];
                break;
            case 'unassigned': //#, Case, task, process, completed by user, finish date
                $fields = $this->setDefaultFields();
                $rows[] = $fields['APP_UID'];
                $rows[] = $fields['DEL_INDEX'];
                $rows[] = $fields['USR_UID'];
                $rows[] = $fields['PREVIOUS_USR_UID'];
                $rows[] = $fields['APP_NUMBER'];
                $rows[] = $fields['APP_TITLE'];
                $rows[] = $fields['APP_PRO_TITLE'];
                $rows[] = $fields['APP_TAS_TITLE'];
                $rows[] = $fields['APP_DEL_PREVIOUS_USER'];
                $rows[] = $fields['APP_UPDATE_DATE'];
                break;
            case 'paused': //#, Case, task, process, sent by
                $fields = $this->setDefaultFields();
                $rows[] = $fields['APP_UID'];
                $rows[] = $fields['DEL_INDEX'];
                $rows[] = $fields['USR_UID'];
                $rows[] = $fields['PREVIOUS_USR_UID'];
                $rows[] = $fields['APP_NUMBER'];
                $rows[] = $fields['APP_TITLE'];
                $rows[] = $fields['APP_PRO_TITLE'];
                $rows[] = $fields['APP_TAS_TITLE'];
                $rows[] = $fields['APP_DEL_PREVIOUS_USER'];
                $rows[] = $fields['APP_UPDATE_DATE'];
                $rows[] = $fields['APP_THREAD_INDEX'];
                $rows[] = $fields['APP_DEL_INDEX'];
                break;
            case 'completed': //#, Case, task, process, completed by user, finish date
                $fields = $this->setDefaultFields();
                $rows[] = $fields['APP_UID'];
                $rows[] = $fields['DEL_INDEX'];
                $rows[] = $fields['USR_UID'];
                $rows[] = $fields['PREVIOUS_USR_UID'];
                $rows[] = $fields['APP_NUMBER'];
                $rows[] = $fields['APP_TITLE'];
                $rows[] = $fields['APP_PRO_TITLE'];
                $rows[] = $fields['APP_TAS_TITLE'];
                $rows[] = $fields['APP_DEL_PREVIOUS_USER'];
                $rows[] = $fields['APP_UPDATE_DATE'];
                $rows[] = $fields['USR_UID'];
                $rows[] = $fields['PREVIOUS_USR_UID'];
                break;
            case 'cancelled': //#, Case, task, process, due date, Last Modify
                $fields = $this->setDefaultFields();
                $rows[] = $fields['APP_UID'];
                $rows[] = $fields['DEL_INDEX'];
                $rows[] = $fields['USR_UID'];
                $rows[] = $fields['PREVIOUS_USR_UID'];
                $rows[] = $fields['APP_NUMBER'];
                $rows[] = $fields['APP_TITLE'];
                $rows[] = $fields['APP_PRO_TITLE'];
                $rows[] = $fields['APP_TAS_TITLE'];
                $rows[] = $fields['APP_DEL_PREVIOUS_USER'];
                $rows[] = $fields['APP_UPDATE_DATE'];
                $rows[] = $fields['USR_UID'];
                $rows[] = $fields['PREVIOUS_USR_UID'];
                break;
            case 'to_revise': //#, Case, task, process, due date, Last Modify
                $fields = $this->setDefaultFields();
                $rows[] = $fields['APP_UID'];
                $rows[] = $fields['DEL_INDEX'];
                $rows[] = $fields['USR_UID'];
                $rows[] = $fields['PREVIOUS_USR_UID'];
                $rows[] = $fields['APP_NUMBER'];
                $rows[] = $fields['APP_TITLE'];
                $rows[] = $fields['APP_PRO_TITLE'];
                $rows[] = $fields['APP_TAS_TITLE'];
                $rows[] = $fields['APP_DEL_PREVIOUS_USER'];
                $rows[] = $fields['APP_CURRENT_USER'];
                $rows[] = $fields['DEL_PRIORITY'];
                $rows[] = $fields['APP_STATUS'];
                break;
            case 'to_reassign': //#, Case, task, process, due date, Last Modify
                $fields = $this->setDefaultFields();
                $rows[] = $fields['APP_NUMBER'];
                $rows[] = $fields['TAS_UID'];
                $rows[] = $fields['DEL_INDEX'];
                $rows[] = $fields['USR_UID'];
                $rows[] = $fields['PREVIOUS_USR_UID'];
                $rows[] = $fields['APP_UID'];
                $rows[] = $fields['APP_TITLE'];
                $rows[] = $fields['APP_PRO_TITLE'];
                $rows[] = $fields['APP_TAS_TITLE'];
                $rows[] = $fields['APP_CURRENT_USER'];
                $rows[] = $fields['APP_UPDATE_DATE'];
                $rows[] = $fields['APP_STATUS'];
                break;
            case 'all': //#, Case, task, process, due date, Last Modify
                $fields = $this->setDefaultFields();
                $rows[] = $fields['APP_UID'];
                $rows[] = $fields['DEL_INDEX'];
                $rows[] = $fields['USR_UID'];
                $rows[] = $fields['PREVIOUS_USR_UID'];
                $rows[] = $fields['APP_NUMBER'];
                $rows[] = $fields['APP_TITLE'];
                $rows[] = $fields['APP_PRO_TITLE'];
                $rows[] = $fields['APP_TAS_TITLE'];
                $rows[] = $fields['APP_CURRENT_USER'];
                $rows[] = $fields['APP_DEL_PREVIOUS_USER'];
                $rows[] = $fields['APP_UPDATE_DATE'];
                $rows[] = $fields['APP_STATUS'];
                break;
            case 'gral': //#, Case, task, process, due date, Last Modify
                $fields = $this->setDefaultFields();
                $rows[] = $fields['APP_UID'];
                $rows[] = $fields['DEL_INDEX'];
                $rows[] = $fields['USR_UID'];
                $rows[] = $fields['PREVIOUS_USR_UID'];
                $rows[] = $fields['APP_NUMBER'];
                $rows[] = $fields['APP_TITLE'];
                $rows[] = $fields['APP_PRO_TITLE'];
                $rows[] = $fields['APP_TAS_TITLE'];
                $rows[] = $fields['APP_CURRENT_USER'];
                $rows[] = $fields['APP_DEL_PREVIOUS_USER'];
                $rows[] = $fields['APP_UPDATE_DATE'];
                $rows[] = $fields['APP_STATUS'];
                break;
        }
        return $rows;
    }

    /**
     * set the generic Json Response, using two array for the grid stores and a string for the pmtable name
     *
     * @param string $pmtable
     * @param array $first
     * @param array $second
     * @return $response a json string
     */
    public function genericJsonResponse($pmtable, $first, $second, $rowsperpage, $dateFormat)
    {
        $firstGrid['totalCount'] = count($first);
        $firstGrid['data'] = $first;
        $secondGrid['totalCount'] = count($second);
        $secondGrid['data'] = $second;
        $result = [];
        $result['first'] = $firstGrid;
        $result['second'] = $secondGrid;
        $result['PMTable'] = isset($pmtable) ? $pmtable : '';
        $result['rowsperpage'] = isset($rowsperpage) ? $rowsperpage : 20;
        $result['dateformat'] = isset($dateFormat) && $dateFormat != '' ? $dateFormat : 'M d, Y';
        return $result;
    }

    public function getSteps($appUid, $index, $tasUid, $proUid)
    {
        $steps = [];
        $case = new Cases();
        $step = new Step();
        $appDocument = new AppDocument();

        $caseSteps = $step->getAllCaseSteps($proUid, $tasUid, $appUid);

        //getting externals steps
        $oPluginRegistry = PluginRegistry::loadSingleton();
        $eSteps = $oPluginRegistry->getSteps();
        $externalSteps = [];
        /** @var \ProcessMaker\Plugins\Interfaces\StepDetail $externalStep */
        foreach ($eSteps as $externalStep) {
            $externalSteps[$externalStep->getStepId()] = $externalStep;
        }

        //getting the case record
        if ($appUid) {
            $caseData = $case->loadCase($appUid);
            $pmScript = new PMScript();
            $pmScript->setFields($caseData['APP_DATA']);
        }

        $externalStepCount = 0;

        foreach ($caseSteps as $caseStep) {
            // if it has a condition
            if (trim($caseStep->getStepCondition()) != '') {
                $pmScript->setScript($caseStep->getStepCondition());
                $pmScript->setExecutedOn(PMScript::CONDITION);

                if (! $pmScript->evaluate()) {
                    //evaluated false, jump & continue with the others steps
                    continue;
                }
            }

            $stepUid = $caseStep->getStepUidObj();
            $stepType = $caseStep->getStepTypeObj();
            $stepPosition = $caseStep->getStepPosition();

            $stepItem = [];
            $stepItem['id'] = $stepUid;
            $stepItem['type'] = $stepType;

            switch ($stepType) {
                case 'DYNAFORM':
                    $oDocument = DynaformPeer::retrieveByPK($stepUid);

                    $stepItem['title'] = $oDocument->getDynTitle();
                    $stepItem['url'] = "cases/cases_Step?UID=$stepUid&TYPE=$stepType&POSITION=$stepPosition&ACTION=EDIT";
                    $stepItem['version'] = $oDocument->getDynVersion();
                    break;
                case 'OUTPUT_DOCUMENT':
                    $oDocument = OutputDocumentPeer::retrieveByPK($caseStep->getStepUidObj());
                    $outputDoc = $appDocument->getObject($appUid, $index, $caseStep->getStepUidObj(), 'OUTPUT');
                    $stepItem['title'] = $oDocument->getOutDocTitle();

                    if (!empty($outputDoc['APP_DOC_UID'])) {
                        $stepItem['url'] = "cases/cases_Step?UID=$stepUid&TYPE=$stepType&POSITION=$stepPosition&ACTION=VIEW&DOC={$outputDoc['APP_DOC_UID']}";
                    } else {
                        $stepItem['url'] = "cases/cases_Step?UID=$stepUid&TYPE=$stepType&POSITION=$stepPosition&ACTION=GENERATE";
                    }
                    break;
                case 'INPUT_DOCUMENT':
                    $oDocument = InputDocumentPeer::retrieveByPK($stepUid);
                    $stepItem['title'] = $oDocument->getInpDocTitle();
                    $stepItem['url'] = "cases/cases_Step?UID=$stepUid&TYPE=$stepType&POSITION=$stepPosition&ACTION=ATTACH";
                    break;
                case 'EXTERNAL':
                    $stepTitle = 'unknown ' . $caseStep->getStepUidObj();
                    $oPluginRegistry = PluginRegistry::loadSingleton();
                    if (empty($externalSteps[$caseStep->getStepUidObj()])) {
                        throw new Exception(G::LoadTranslation('ID_EXTERNAL_STEP_MISSING', SYS_LANG, ['plugin' => $stepTitle]));
                    }
                    $externalStep = $externalSteps[$caseStep->getStepUidObj()];
                    $stepItem['id'] = $externalStep->getStepId();
                    $stepItem['title'] = $externalStep->getStepTitle();
                    $stepItem['url'] = "cases/cases_Step?UID={$externalStep->getStepId()}&TYPE=EXTERNAL&POSITION=$stepPosition&ACTION=EDIT";
                    break;
            }

            $steps[] = $stepItem;
        }

        //last, assign task
        $stepItem = [];
        $stepItem['id'] = '-1';
        $stepItem['type'] = '';
        $stepItem['title'] = G::LoadTranslation('ID_ASSIGN_TASK');
        $stepItem['url'] = "cases/cases_Step?TYPE=ASSIGN_TASK&UID=-1&POSITION=10000&ACTION=ASSIGN";

        $steps[] = $stepItem;

        return $steps;
    }
}