<?php

if ($_SERVER["REQUEST_METHOD"] == "POST") {
    require_once('../conn.php');
    header("Content-Type: application/json; charset=UTF-8");
    $signDetails = new signDetails();
    echo $signDetails->getSingDetails();
}

class signDetails
{
    
    public function getSingDetails()
    {
        global $conn;

        $system_name = !empty($_POST['system_name']) ? $_POST['system_name'] : '';
        $department_id = !empty($_POST['department_id']) ? $_POST['department_id'] : '';
        $user_id = !empty($_POST['user_id']) ? $_POST['user_id'] : '';

        $sql_str = "
            SELECT 
                sm.system_name,
                fm.flow_name,
                f.form_key,
                sf.current_assigner,
                a.name AS user_name,
                d.department_id,
                d.depart_name AS depart_name,
                sf.update_date
            FROM flow AS f
            LEFT JOIN system_main as sm
            ON f.system_id = sm.system_id
            LEFT JOIN flow_main as fm
            ON f.flow_id = fm.flow_id
            LEFT JOIN (
                SELECT
                    form_key,
                    current_assigner,
                    IF(update_date IS NULL,create_date,update_date) AS update_date,
                    MAX(seq) AS seq
                FROM subflow
                WHERE 1 = 1
                GROUP BY form_key, current_assigner, update_date
            ) AS sf 
            ON f.form_key = sf.form_key
            LEFT JOIN account AS a
            ON sf.current_assigner = a.accountid
            LEFT JOIN (
                SELECT DISTINCT
                department_id,
                name AS depart_name
                FROM department
            ) AS d
            ON a.department_id = d.department_id
            WHERE 1 =1
            AND f.flow_code != 'Z'
            AND sf.form_key != ''
            AND sf.form_key IS NOT NULL
            AND sf.current_assigner != ''
            AND sf.current_assigner IS NOT NULL
        ";
        if(!empty($department_id)){
            $sql_str .= " AND d.department_id = :department_id ";
        }
        if(!empty($user_id)){
            $sql_str .= " AND sf.current_assigner = :user_id ";
        }
        $stmt = $conn->prepare($sql_str);
        if(!empty($department_id)){
            $stmt->bindParam(':department_id', $department_id);
        }
        if(!empty($user_id)){
            $stmt->bindParam(':user_id', $user_id);
        }
        $stmt->execute();
        $data = $stmt->fetchAll(PDO::FETCH_ASSOC);
        return json_encode($data, JSON_UNESCAPED_UNICODE);
    }

    public function getSingDetailsAllCount()
    {
        global $conn;
        $sql_str = "
            SELECT 
                sm.system_name,
                fm.flow_name,
                f.form_key,
                sf.current_assigner,
                a.name AS user_name,
                d.department_id,
                d.depart_name AS depart_name,
                -- d.name AS depart_name,
                sf.update_date
            FROM flow AS f
            LEFT JOIN system_main as sm
            ON f.system_id = sm.system_id
            LEFT JOIN flow_main as fm
            ON f.flow_id = fm.flow_id
            LEFT JOIN (
                SELECT
                    form_key,
                    current_assigner,
                    IF(update_date IS NULL,create_date,update_date) AS update_date,
                    MAX(seq) AS seq
                FROM subflow
                WHERE 1 = 1
                GROUP BY form_key, current_assigner, update_date
            ) AS sf 
            ON f.form_key = sf.form_key
            LEFT JOIN account AS a
            ON sf.current_assigner = a.accountid
            LEFT JOIN (
                SELECT DISTINCT
                department_id,
                name AS depart_name
                FROM department
            ) AS d
            ON a.department_id = d.department_id
            WHERE 1 =1
            AND f.flow_code != 'Z'
            AND sf.form_key != ''
            AND sf.form_key IS NOT NULL
            AND sf.current_assigner != ''
            AND sf.current_assigner IS NOT NULL
        ";
        $stmt = $conn->prepare($sql_str);
        $stmt->execute();
        return $stmt->rowCount();
    }
}