<?php
// RMLWorkorderModel.php

class RMLWorkorderModel extends TTCrudBaseModel {
    public int $id;
    public int $preorderId;
    public ?int $companyId;
    public string $status;
    public ?int $assignmentDate;
    public ?int $deadlineDate;
    public ?int $appointmentDate;
    public int $create;
    public int $createBy;
    
    /**
     * Finds work orders that are nearing their deadline or are overdue.
     * This can be used for the traffic light system.
     *
     * @param string $urgency 'red', 'yellow', or 'green'
     * @return array
     */
    public static function getWorkordersByUrgency(string $urgency, ?int $companyId = null): array {
        $db = self::getDB();
        $table = self::getFullyQualifiedTable();
        $now = time();
        $whereClause = "WHERE status IN ('assigned', 'scheduled')";
        
        if ($companyId) {
            $whereClause .= " AND companyId = " . intval($companyId);
        }

        switch ($urgency) {
            case 'red': // Less than 1 week left or overdue
                $redDate = strtotime('+1 week');
                $whereClause .= " AND deadlineDate < $redDate";
                break;
            case 'yellow': // Between 1 and 3 weeks left
                $yellowDateStart = strtotime('+1 week');
                $yellowDateEnd = strtotime('+3 weeks');
                $whereClause .= " AND deadlineDate BETWEEN $yellowDateStart AND $yellowDateEnd";
                break;
            case 'green': // More than 3 weeks left
                $greenDate = strtotime('+3 weeks');
                 $whereClause .= " AND deadlineDate > $greenDate";
                break;
            default:
                return [];
        }

        $sql = "SELECT * FROM $table $whereClause ORDER BY deadlineDate ASC";
        $result = $db->query($sql);
        $orders = [];
        while ($row = $result->fetch_assoc()) {
            $orders[] = new self($row);
        }
        return $orders;
    }

}