<?php
/**
 * User: u73376
 * Date: 2018/8/23
 * Time: 14:18
 */

class AssignerStringParser
{
    /**
     * 第一码:数字:员工号;
     *       字母D:部门所有员工
     *       字母L:部门的领导
     * @param $assignerString
     * @param string $format
     * @param string $delimiter
     * @return string   员工号-姓名, 员工号-姓名, 员工号-姓名......
     */
    public static function process($assignerString, $format = "employee_no-name position", $delimiter = ",")
    {
        $_firstCode = substr($assignerString, 0, 1);
        if (is_numeric($_firstCode)) {

            return self::processCodeN($assignerString, $format, $delimiter);
        }

        $function = "processCode" . $_firstCode;
        if (!method_exists('AssignerStringParser', $function)) {
            echo self::processUndefined($function);
            exit();
        }
        return self::$function($assignerString, $format, $delimiter);
    }

    /**
     * 处理第一码为D :获取部门员工
     * @param $assignerString
     * @param string $format
     * @param string $delimiter
     * @return string
     */
    public static function processCodeD($assignerString, $format = "employee_no-name", $delimiter = ",")
    {
        $depart = substr($assignerString, 1);
        $employees = Depart::getEmployee($depart);
        $str_next_user = "";
        foreach ($employees as $employee) {
            $tmp_str = Employee::get_employee($employee, $format);
            $str_next_user .= $tmp_str . $delimiter;
        }
        return $str_next_user;
    }

    /**
     * 处理第一码为L :获取部门领导
     * @param $assignerString
     * @param string $format
     * @param string $delimiter
     * @return string
     */
    public static function processCodeL($assignerString, $format = "employee_no-name", $delimiter = ",")
    {
        $leader = Depart::leader(substr($assignerString, 1));
        $tmp_str = Employee::get_employee($leader, $format);
        return $tmp_str . $delimiter;
    }

    /**
     *处理第一码为数字 N: 获取 员工号-姓名
     * @param $assignerString
     * @param string $format
     * @param string $delimiter
     * @return string
     */
    public static function processCodeN($assignerString, $format = "employee_no-name", $delimiter = ",")
    {

        return Employee::get_employee($assignerString, $format) . $delimiter;
    }

    /**
     *处理第一码为 P: 获取 员工号-姓名
     * @param $assignerString
     * @param string $format
     * @param string $delimiter
     * @return string
     */
    public static function processCodeP($assignerString, $format = "employee_no-name", $delimiter = ",")
    {

        return Employee::get_employee($assignerString, $format) . $delimiter;
    }

    /**
     * 处理第一码为E,从节点里的已签核人员选择
     * @param $assignerString
     * @param string $format
     * @param string $delimiter
     * @return string
     */
    public static function processCodeC($assignerString, $format = "employee_no-name", $delimiter = ",")
    {
        $flowContext = unserialize($_SESSION['flowContext']);
        $code = substr($assignerString, 1);
        $records = Assign::get_records($flowContext->getFormKey(), $as_array = true, $code);
        $str_next_user = "";
        foreach ($records as $record) {
            $tmp_str = Employee::get_employee($record['assigner'], $format);
            $str_next_user .= $tmp_str . $delimiter;
        }
        return $str_next_user;

    }

    /**
     * 处理未定义的情况
     * @return string
     */
    public static function processUndefined($function)
    {
        return "调用了不存在的处理函数:" . $function;
    }

}