<?php
/**
 * 產生安檢排程
 * @url /schedule_check-import.php
 * @method GET
 * @return JSON
 * 
 * respons json
 * {
 *  "st" : "ok",
 *  "err" : ""
 * }
 **/

ob_start();
include "header.php";
ob_end_clean();
$rarr = array('st' => 'ok', 'err' => '');

try {
    //require_once "database.php";
    $data = [];
    $tds = date("Y-m-d");
    $tds_y = date("Y");
    $base_date = date("Y-m-01", strtotime("-1 month")); // 今天算起前一個月起
    $age_up = 15;

    function get_facility_kind($fno="") {
        switch ($fno) {
            case (preg_match('/TX/', $fno) ? true : false):
            case (preg_match('/MX/', $fno) ? true : false):
                $kind = "MAE100";
                break;
            case (preg_match('/TW/', $fno) ? true : false):
                $kind = "MAM200";
                break;
            case (preg_match('/TH/', $fno) ? true : false):
                $kind = "MAH100";
                break;
            case (preg_match('/TZ/', $fno) ? true : false):
                $kind = "MAZ100";
                break;
            default:
                $kind = "";
        }
        return $kind;
    }

    function date_verify($date, $format = "Y-m-d") {
        return date($format, strtotime($date)) == $date;
    }

    function get_check_date($ldate="", $month="") {
        global $tds_y, $base_date;

        $carr = [];
        $lastday = substr($ldate, -2);
        $cdate = date("Y-m-", strtotime(substr($ldate, 0, 7)." $month months")).$lastday;
        if (!date_verify($cdate)) $cdate = date("Y-m-t", strtotime(substr($cdate, 0, 7)));
        if ($cdate >= $base_date) $carr[] = $cdate;
        $lastmd = substr($cdate, 4);
        $lastyear = substr($cdate, 0, 4);
        for ($i=$tds_y; $i<$lastyear; $i++) {
            if ($i.$lastmd >= $base_date) $carr[] = $i.$lastmd;
        }
        return $carr;
    }

    // 許可證有效日在今天以後的
    $db_query  = "select f.contractno, f.facilityno, f.takecertificatedate, f.licensedate from facility f ";
    $db_query .= "where f.licensedate >= '$tds'";
    $res = mysqli_query($link, $db_query);
    while ($row = mysqli_fetch_array($res)) {
        $data[$row["contractno"]]["facilityno"][] = $row["facilityno"];
        $data[$row["contractno"]]["cdate"] = $row["takecertificatedate"];
        $data[$row["contractno"]]["ldate"] = $row["licensedate"];
        $data[$row["contractno"]]["age"] = (strtotime($tds) - strtotime($row["takecertificatedate"]))/(86400*365);  // 梯齡
    }
    mysqli_free_result($res);
    //print_r($data);
    foreach ($data as $contractno => $val) {
        $check_date =[];
       
        if ($val["age"] <= $age_up) {
            $check_date = get_check_date($val["ldate"], "-2");
            /*
            $cdate = date("Y-m-", strtotime(substr($val["ldate"], 0, 7)." -2 months")).$lastday;
            if (!date_verify($cdate)) $cdate = date("Y-m-t", strtotime(substr($cdate, 0, 7)));
            $check_date[] = $cdate;
            $lastmd = substr($cdate, 4);
            $lastyear = substr($cdate, 0, 4) - 1;
            for ($i=$lastyear; $i>=$tds_y; $i--) {
                $check_date[] = $i.$lastmd;
            }
            */
        } else {
            $check_date = array_merge(get_check_date($val["ldate"], "-7"), get_check_date($val["ldate"], "-1"));
            /*
            $cdate = date("Y-m-", strtotime(substr($val["ldate"], 0, 7)." -7 months")).$lastday;
            if (!date_verify($cdate)) $cdate = date("Y-m-t", strtotime(substr($cdate, 0, 7)));
            $check_date[] = $cdate;
            $cdate = date("Y-m-", strtotime(substr($val["ldate"], 0, 7)." -1 months")).$lastday;
            if (!date_verify($cdate)) $cdate = date("Y-m-t", strtotime(substr($cdate, 0, 7)));
            $check_date[] = $cdate;
            */
        }
        sort($check_date);
        foreach ($check_date as $cval) {
            //if ($cval >= $base_date) {
                foreach ($val["facilityno"] as $fno) {
                    $sql = "select count(*) from schedule_check where facilityno = '$fno' and check_date = '$cval'";
                    $res = mysqli_query($link, $sql);
                    $row = mysqli_fetch_row($res);
                    if ($row[0] == 0) {
                        $db_query  = "insert into schedule_check (facilityno, check_date, creater, updater) values ";
                        $db_query .= "('$fno', '$cval', '$user_id', '$user_id')";
                        //echo $db_query."\n";
                        $result = mysqli_query($link, $db_query);
                    }
                }
            //}
        }
    }
    
}catch(\Exception $e) {
    $rarr['st'] = 'err';
    $rarr['err'] = $e->getMessage();
}


echo json_encode($rarr, JSON_UNESCAPED_UNICODE);
exit;
?>