<?php

class PreorderHistory extends mfBaseModel {
    protected $forcestr = ["old_value", "new_value"];
    private $preorder;
    private $creator;
    private $editor;

    private $old;
    private $new;

    public function afterSave() {
        $this->createHistoryEntry();
    }

    protected function createHistoryEntry() {
        if(!$this->id) return true;

        $changed = $this->getChangedFields();

        if($this->key == "status_id" && in_array("changed", $changed) && $this->_old_data->changed) {
            try {
                $status = new Preorderstatus($this->new_value);
                if(!$status->id) return true;

                $this->log->debug(__METHOD__ . ": 'changed' changed from '" . $this->_old_data->changed . "' to '" . $this->data->changed . "'");
                $history = PreorderHistoryModel::create([
                    "preorder_id" => $this->preorder_id,
                    "key" => "status_changed-".$status->code,
                    "old_value" => $this->_old_data->changed,
                    "new_value" => $this->data->changed,
                    "changed" => date("U")
                ]);
                $history->save();
            } catch(Exception $e) {
                $this->log->debug($e->getTraceAsString());
            }
        }
    }

    public function getValue($type = "new", $raw = false) {
        if($type != "old" && $type != "new") return null;

        if($type == "new") {
            $value = $this->new_value;
        } else {
            $value = $this->old_value;
        }

        if($raw) {
            return $value;
        }

        $m = [];
        if(preg_match('/(.+)_id/', $this->key, $m)) {
            if(array_key_exists(1, $m)) {
                $object = ucfirst($m[1]);
                if($object == "Status") $object = "Preorderstatus";
                if($object == "Partner") $object = "Address";
                if($object == "Adb_hausnummer") $object = "ADBHausnummer";
                if($object == "Adb_wohneinheit") $object = "ADBWohneinheit";
                if(class_exists($object)) {
                    $value = new $object($value);
                    if(!$value->id) return null;
                }
            }
        }


        return $value;
    }

    public function getKey() {
        $key = $this->key;

        if(preg_match('/^preorderstatusflag-(\d+)-/', $key, $m)) {
            if(array_key_exists(1, $m)) {
                $id = $m[1];
                $psf = new Preorderstatusflag($id);
                return "Status Flag ".$psf->code." - ".$psf->name;
            }
        }
        if(preg_match('/status_changed-(\d+)/', $key, $m)) {
            if(array_key_exists(1, $m)) {
                $code = $m[1];
                $ps = PreorderstatusModel::getFirst(["code" => $code]);
                if($code == 500) {
                    return "Aktivierungsdatum (Status 500)";
                }
                return "Status ".$ps->code." Timestamp";
            }
        }
        return $key;
    }

    public function getText($type = "new") {
        $value = $this->getValue($type);
        if($value === null) return "";

        if($this->key == "attributes") {
            $attribs = "";
            $jdec = json_decode($value);
            if(is_object($jdec)) {
                foreach(get_object_vars($jdec) as $k => $v) {
                    $attribs .= "$k: $v<br />";
                }
                return $attribs;
            }
        }

        if($this->key == "order_date" && $value) {
            return date("d.m.Y", $value);
        }

        if(preg_match('/^status_changed-/', $this->key)) {
            return date("d.m.Y", $value);
        }

        if(!is_object($value)) {
            return $value;
        }

        if(get_class($value) == "Preorderstatus") {
            return $value->code." - ".$value->name;
        }
        if(get_class($value) == "Address") {
            return $value->getCompanyOrName();
        }
        if(get_class($value) == "ADBHausnummer") {
            return $value->getAddress();
        }
        if(get_class($value) == "ADBWohneinheit") {
            return $value->id." - ".(string)$value;
        }
        if(get_class($value) == "Preordercampaign") {
            return $value->name;
        }

        return "";
    }

    public function getProperty($name) {
        if($this->$name == null) {

            if($name == "old" || $name == "new") {
                return $this->getValue($name, false);
            }

            if($name == "old_raw") {
                return $this->getValue("old", true);
            }
            if($name == "new_raw") {
                return $this->getValue("new", true);
            }

            if($name == "creator") {
                $this->creator = mfValuecache::singleton()->get("Worker-id-".$this->create_by);
                if($this->creator === null) {
                    $this->creator = new User($this->create_by);
                    if($this->creator->id) {
                        mfValuecache::singleton()->set("Worker-id-".$this->create_by, $this->creator);
                    }
                }
                return $this->creator;
            }

            if($name == "editor") {
                $this->editor = mfValuecache::singleton()->get("Worker-id-".$this->edit_by);
                if($this->editor === null) {
                    $this->editor = new User($this->edit_by);
                    if($this->editor->id) {
                        mfValuecache::singleton()->set("Worker-id-".$this->edit_by, $this->editor);
                    }
                }
                return $this->editor;
            }

            $classname = ucfirst($name);
            $idfield = $name."_id";
            $this->$name = new $classname($this->$idfield);

            if($this->$name->id) {
                return $this->$name;
            } else {
                return null;
            }
        }

        return $this->$name;
    }
}