<?php

class HistoricTicketModel {
    public $id;
    public $ticket_number;
    public $ticket_verifier;
    public $priority;
    public $status_id;
    public $status;
    public $type_id;
    public $type;
    public $user_id;
    public $agent_id;
    public $contact_id;
    public $company;
    public $company_id;
    public $first_name;
    public $middle_name;
    public $last_name;
    public $email;
    public $phone;
    public $subject;
    public $ctime;
    public $mtime;
    public $muser_id;
    public $files_folder_id;
    public $unseen;
    public $group_id;
    public $order_id;
    public $last_response_time;
    public $cc_addresses;


    public function __construct($data = []) {
        foreach ($data as $field => $value) {
            if (property_exists(get_called_class(), $field)) {
                $this->$field = $value;
            }
        }
    }

    public static function generateFilterCondition(?string $filterValue, string $columnName): string {
        $sql = "";
        if (!empty($filterValue)) {
            $filterItems = explode(" ", $filterValue);
            foreach ($filterItems as $item) {
                $sql .= " AND `$columnName` LIKE '%" . $item . "%'";
            }
        }

        return $sql;
    }

    public static function getSqlFilter($filters): string {
        $sql = isset($filters['subject']) ? self::generateFilterCondition($filters['subject'], "subject") : "";
        $sql .= isset($filters['ticket_number']) ? self::generateFilterCondition($filters['ticket_number'], "ticket_number") : "";
        $sql .= isset($filters['priority']) ? " AND `priority` = " . $filters['priority'] : "";
        $sql .= isset($filters['status']) ? self::generateFilterCondition($filters['status'], "status") : "";
        $sql .= isset($filters['status_id']) ? " AND `status_id` = " . $filters['status_id'] : "";
        $sql .= isset($filters['type']) ? self::generateFilterCondition($filters['type'], "type") : "";
        $sql .= isset($filters['type_id']) ? " AND `type_id` = " . $filters['type_id'] : "";
        $sql .= isset($filters['user_id']) ? " AND `user_id` = " . $filters['user_id'] : "";
        $sql .= isset($filters['agent_id']) ? " AND `agent_id` = " . $filters['agent_id'] : "";
        $sql .= isset($filters['contact_id']) ? " AND `contact_id` = " . $filters['contact_id'] : "";
        $sql .= isset($filters['company']) ? self::generateFilterCondition($filters['company'], "company") : "";
        $sql .= isset($filters['company_id']) ? " AND `company_id` = " . $filters['company_id'] : "";
        $sql .= isset($filters['middle_name']) ? self::generateFilterCondition($filters['middle_name'], "middle_name") : "";
        $sql .= isset($filters['last_name']) ? self::generateFilterCondition($filters['last_name'], "last_name") : "";
        $sql .= isset($filters['email']) ? " AND `email` LIKE '%" . $filters['email'] . "%'" : "";
        $sql .= isset($filters['phone']) ? " AND `phone` LIKE '%" . $filters['phone'] . "%'" : "";
        $sql .= isset($filters['ctime']) ? " AND `ctime` = " . $filters['ctime'] : "";
        $sql .= isset($filters['mtime']) ? " AND `mtime` = " . $filters['mtime'] : "";
        $sql .= isset($filters['muser_id']) ? " AND `muser_id` = " . $filters['muser_id'] : "";
        $sql .= isset($filters['files_folder_id']) ? " AND `files_folder_id` = " . $filters['files_folder_id'] : "";
        $sql .= isset($filters['unseen']) ? " AND `unseen` = " . $filters['unseen'] : "";
        $sql .= isset($filters['group_id']) ? " AND `group_id` = " . $filters['group_id'] : "";
        $sql .= isset($filters['order_id']) ? " AND `order_id` = " . $filters['order_id'] : "";
        $sql .= isset($filters['last_response_time']) ? " AND `last_response_time` = " . $filters['last_response_time'] : "";
        $sql .= isset($filters['cc_addresses']) ? self::generateFilterCondition($filters['cc_addresses'], "cc_addresses") : "";

        if (isset($filters['first_name'])) {
            $filterItems = explode(" ", $filters['first_name']);
            foreach ($filterItems as $item) {
                $sql .= " AND (`first_name` LIKE '%" . $item . "%' OR `middle_name` LIKE '%" . $item . "%' OR `last_name` LIKE '%" . $item . "%')";
            }
        }

        return $sql;
    }

    public static function getAllHistoricTickets($filters, $limit = null, $offset = 0, $order = null): array {
        $db = FronkDB::singleton();
        $sql = "SELECT * FROM `HistoricTicket` WHERE 1 " . self::getSqlFilter($filters);
        $sql .= $order === null || $order['key'] === null ? " ORDER BY `ticket_number` DESC " : " ORDER BY `" . $order['key'] . "` " . $order['order'];
        $sql .= $limit === null ? "" : " LIMIT " . $limit . " OFFSET " . $offset;

//        die($sql);
        $result = $db->query($sql);
        $rows = [];
        while ($row = $result->fetch_assoc()) {
            $rows[] = $row;
        }

        return $rows;
    }

    public static function countHistoricTickets($filters) {
        $db = FronkDB::singleton();
        $sql = "SELECT COUNT(*) as `total_rows` FROM `HistoricTicket` WHERE 1 " . self::getSqlFilter($filters);
        $result = $db->query($sql);
        return $result->fetch_assoc()['total_rows'];
    }

    public static function findHistoricTicket($ticketNumber): array {
        $db = FronkDB::singleton();

        $ticketSql = "SELECT * FROM `HistoricTicket` WHERE `ticket_number` = " . $ticketNumber;
        $ticketResult = $db->query($ticketSql);
        $ticket = $ticketResult->fetch_assoc();

        $messagesSql = "SELECT * FROM `HistoricTicketMessage` WHERE `ticket_id` = " . $ticket["id"];
        $messagesResult = $db->query($messagesSql);
        $messages = [];
        while ($message = $messagesResult->fetch_assoc()) {
            $messages[] = $message;
        }

        return [
            "ticket" => $ticket,
            "messages" => $messages
        ];
    }

    public static function findTicket($query): array {
        $db = FronkDB::singleton();
        $ticketSql = "SELECT * FROM `HistoricTicket` WHERE `ticket_number` LIKE '%" . $query . "%' OR `subject` LIKE '%" . $query . "%' OR `first_name` LIKE '%" . $query . "%' OR `last_name` LIKE '%" . $query . "%'";
        $ticketResult = $db->query($ticketSql);
        $tickets = [];
        while ($ticket = $ticketResult->fetch_assoc()) {
            $tickets[] = $ticket;
        }

        //explore $query by space and add each word to the sql query with and
        $query = explode(" ", $query);

        $whereStr = "";
        foreach ($query as $word) {
            $whereStr .= " AND `content` LIKE '%" . $word . "%'";
        }

        $messagesSql = "SELECT * FROM `HistoricTicketMessage` 
         LEFT JOIN `HistoricTicket` ON `HistoricTicket`.`id` = `HistoricTicketMessage`.`ticket_id`
         WHERE 1 AND `content` " . $whereStr;
        $messagesResult = $db->query($messagesSql);
        $messages = [];
        while ($message = $messagesResult->fetch_assoc()) {
            $messages[] = $message;
        }

        $return = [];

        foreach ($tickets as $ticket) {
            $return[] = [
                "table_entry" => "ticket",
                "ticket_id" => $ticket["id"],
                "ticket_number" => $ticket["ticket_number"],
                "ctime" => intval($ticket["ctime"]),
                "ticket_subject" => $ticket["subject"],
            ];
        }

        foreach ($messages as $message) {
            $return[] = [
                "table_entry" => "message",
                "ticket_id" => $message["ticket_id"],
                "ticket_number" => $message["ticket_number"],
                "ticket_subject" => $message["subject"],
                "ctime" => intval($message["ctime"]),
                "ticket_message" => $message["content"],
            ];
        }

        return $return;
    }
}