<?php

class PreorderHistoryModel {

    public $preorder_id;
    public $key;
    public $old_value;
    public $new_value;
    public $changed;
    public $create_by;
    public $edit_by;
    public $create;
    public $edit;

    public static function create(Array $data) {
        $model = new PreorderHistory();

        foreach ($data as $field => $value) {
            if (property_exists(get_called_class(), $field)) {
                $model->$field = $value;
            }
        }

        $me = mfValuecache::singleton()->get("me");
        if (!$me) {
            $me = new User();
            $me->loadMe();
            mfValuecache::singleton()->set("me", $me);
        }

        if ($model->create_by === null) {
            $model->create_by = $me->id;
        }
        if ($model->edit_by === null) {
            $model->edit_by = $me->id;
        }

        return $model;
    }


    public static function getStatusChange($type = "first", $preorder_id, $status_code) {
        $status = PreorderstatusModel::getFirst(["code" => $status_code]);
        if(!$status) {
            return false;
        }

        $status_id = $status->id;
        $sql = "SELECT * FROM PreorderHistory WHERE preorder_id = $preorder_id AND `key` = 'status_id' AND new_value = $status_id";
        if($type == "first") {
            $sql .= " ORDER BY `create` ASC LIMIT 1";
        } else {
            $sql .= " ORDER BY `create` DESC LIMIT 1";
        }
        //mfLoghandler::singleton()->debug($sql);
        $res = FronkDB::singleton()->query($sql);
        if(FronkDB::singleton()->num_rows($res)) {
            $data = FronkDB::singleton()->fetch_object($res);
            return new PreorderHistory($data);
        }
        return false;
    }
    public static function getFirstStatusChangeTo($preorder_id, $status_code) {
        return self::getStatusChange("first", $preorder_id, $status_code);
    }

    public static function getLastStatusChangeTo($preorder_id, $status_code) {
        return self::getStatusChange("last", $preorder_id, $status_code);
    }

    public static function getFirstStatusChangeToOrHigher($preorder_id, $status_code) {
        foreach(PreorderstatusModel::getAll() as $status) {
            if($status->code < $status_code) continue;

            $change = self::getStatusChange("first", $preorder_id, $status_code);
            if($change) return $change;
        }

        return false;
    }

    public static function getLastStatusChangeToOrHigher($preorder_id, $status_code) {
        foreach(PreorderstatusModel::getAll() as $status) {
            if($status->code < $status_code) continue;

            $change = self::getStatusChange("last", $preorder_id, $status_code);
            if($change) return $change;
        }

        return false;
    }

    public static function getFirst($filter = []) {
        $db = FronkDB::singleton();

        $where = self::getSqlFilter($filter);
        $res = $db->select("PreorderHistory", "*", "$where ORDER BY `create`,`key` LIMIT 1");
        if ($db->num_rows($res)) {
            $data = $db->fetch_object($res);
            $item = new PreorderHistory($data);
            if ($item->id) {
                return $item;
            } else {
                return null;
            }
        }
        return null;
    }

    public static function getAll() {
        $items = [];

        $db = FronkDB::singleton();

        $res = $db->select("PreorderHistory", "*", "1=1 ORDER BY `create`,`key`");
        if ($db->num_rows($res)) {
            while ($data = $db->fetch_object($res)) {
                $items[] = new PreorderHistory($data);
            }
        }
        return $items;
    }

    public static function count($filter) {
        $db = FronkDB::singleton();

        $where = self::getSqlFilter($filter);
        $sql = "SELECT COUNT(*) as cnt FROM PreorderHistory
            WHERE $where
           ";

        $res = $db->query($sql);
        if ($db->num_rows($res)) {
            $data = $db->fetch_object($res);
            return $data->cnt;
        }
        return 0;
    }

    public static function search($filter = [], $limit = false) {
        $items = [];
        $db = FronkDB::singleton();

        $where = self::getSqlFilter($filter);
        $sql = "SELECT * FROM PreorderHistory
            WHERE $where
            ORDER BY `create`,`key`";

        mfLoghandler::singleton()->debug($sql);
        if (is_array($limit) && count($limit)) {
            if (is_numeric($limit['start']) && is_numeric($limit['count'])) {
                $sql .= " LIMIT " . $limit['start'] . ", " . $limit['count'];
            } elseif (is_numeric($limit['count'])) {
                $sql .= " LIMIT " . $limit['count'];
            }
        }

        $res = $db->query($sql);
        if ($db->num_rows($res)) {
            while ($data = $db->fetch_object($res)) {
                $items[] = new PreorderHistory($data);
            }
        }
        return $items;
    }

    private static function getSqlFilter($filter) {
        $where = "1=1 ";


        if (array_key_exists("preorder_id", $filter)) {
            $preorder_id = $filter['preorder_id'];
            if (is_numeric($preorder_id)) {
                $where .= " AND PreorderHistory.preorder_id=$preorder_id";
            } else if (is_array($preorder_id)) {
                $where .= " AND PreorderHistory.preorder_id IN (" . implode(",", $preorder_id) . ")";
            }
        }

        if (array_key_exists("key", $filter)) {
            $key = FronkDB::singleton()->escape($filter["key"]);
            if($key) {
                $where .= " AND `key` like '$key'";
            }
        }


        if (array_key_exists("create_by", $filter)) {
            $create_by = $filter['create_by'];
            if (is_numeric($create_by)) {
                $where .= " AND PreorderHistory.create_by=$create_by";
            }
        }

        if (array_key_exists("new_value", $filter)) {
            $new_value = FronkDB::singleton()->escape($filter["new_value"]);
            if($new_value) {
                $where .= " AND `new_value` like '$new_value'";
            }
        }

        if (array_key_exists("add-where", $filter)) {
            $where .= $filter['add-where'];
        }

        return $where;
    }

}