<?php

class ContractTrigger_Finished {
    private $log;
    private $db;
    private $me;
    private $contract;
    public $errors;

    public function __construct($injection = []) {
        foreach($injection as $name => $value) {
            if(in_array($name, ["log", "db", "contract", "me"])) {
                $this->$name = $value;
            }
        }
    }

    /**
     * Checks Contract if can/must run
     * return true if it wants to run
     * @return bool
     */
    public function precheck() {
        $contract = $this->contract;
        if($contract->finish_date && !$contract->_old_data->finish_date) {
            // contract was just finished, so we need to run
            return true;
        }
    }

    public function run() {
        $contract = $this->contract;
        if($contract->_old_data->finish_date) {
            var_dump($contract->finish_date, $contract->_old_data->finish_date);
            return true;
        }
        // contract was just finished, so we need to run

        /*
         * Vorgänger Contracts kündigen
         */
        foreach (ContractLinkModel::search(['contract_id' => $contract->id]) as $link) {
            if (!in_array($link->type, ["upgrade", "downgrade", "relocation", "productchange", "ownerchange"])) {
                continue;
            }

            $now = new DateTime("now");
            $now->setTime(2,0,0);

            $cancel_date = clone($now);
            $cancel_date->modify("-1 day");
            $cancel_date->setTime(23,59,59);

            $origin = $link->origin;
            $origin->cancel_date = $cancel_date->getTimestamp();
            $origin->cancel_date_by = $this->me->id;
            $origin->edit_by = $this->me->id;
            if (!$origin->save()) {
                throw new Exception("Fehler beim Speichern der Kündigung des Vorgängercontracts!");
            }
            // cancel journal
            $journal = ContractjournalModel::create([
                'contract_id' => $origin->id,
                'type' => "canceled",
                'value' => "",
                'text' => ""
            ]);
            $journal->save();


            /*
             * alte Links übernehmen / kündigen
             */
            foreach (ContractLinkModel::search(['type' => "link", 'contract_id' => $origin->id]) as $old_link) {
                // verlinkten Contract kündigen (wenn nicht schon gekündigt)
                if ($old_link->change_action == "cancel" && !$old_link->origin->cancel_date) {
                    $old_link->origin->update([
                        'cancel_date' => $cancel_date->getTimestamp(),
                        'cancel_date_by' => $this->me->id,
                        'edit_by' => $this->me->id
                    ]);
                    if(!$old_link->origin->save()) {
                        throw new Exception("Fehler beim Speichern der Kündigung des Vorgängercontracts!");
                    }

                    $old_link->change_action = null;
                    $old_link->save();

                    // cancel journal
                    $journal = ContractjournalModel::create([
                        'contract_id' => $old_link->origin->id,
                        'type' => "canceled",
                        'value' => "",
                        'text' => ""
                    ]);
                    $journal->save();
                }
            }

            foreach (ContractLinkModel::search(['type' => "link", 'origin_contract_id' => $origin->id]) as $old_link) {
                // verlinkten Contract kündigen (wenn nicht schon gekündigt)
                if ($old_link->change_action == "cancel" && !$old_link->contract->cancel_date) {
                    $old_link->contract->update([
                        'cancel_date' => $cancel_date->getTimestamp(),
                        'cancel_date_by' => $this->me->id,
                        'edit_by' => $this->me->id
                    ]);
                    //$this->log->debug(print_r($old_link->contract, true));
                    $old_link->contract->save();

                    $old_link->change_action = null;
                    $old_link->save();

                    // cancel journal
                    $journal = ContractjournalModel::create([
                        'contract_id' => $old_link->contract->id,
                        'type' => "canceled",
                        'value' => "",
                        'text' => ""
                    ]);
                    $journal->save();
                }
            }

            foreach (ContractLinkModel::search(['type' => "credit", 'origin_contract_id' => $origin->id]) as $old_credit) {
                if ($old_credit->change_action == "recreate" && !$old_credit->contract->cancel_date) {
                    // Alte Gutschrift kündigen und neue anlegen
                    //var_dump($old_credit->contract);
                    $old_credit->contract->update([
                        'cancel_date' => $cancel_date->getTimestamp(),
                        'cancel_date_by' => $this->me->id,
                        'edit_by' => $this->me->id
                    ]);
                    $old_credit->contract->save();
                    //var_dump($old_credit->contract);
                    //exit;

                    $old_credit->change_action = null;
                    $old_credit->save();

                    $new_credit = ContractModel::createCreditForContract($contract);
                    if(!$new_credit->save()) {
                        $this->log->debug(print_r($new_credit, true));
                        throw new Exception("Fehler beim Speichern des neuen Gutschrift Contracts");
                    }

                    // create journal for credit
                    $journal = ContractjournalModel::create([
                        'contract_id' => $new_credit->id,
                        'type' => "created_from",
                        'value' => "productchange",
                        'text' => "Produkt-/Standortwechsel von Contract ID ".$old_credit->contract_id
                    ]);
                    $journal->save();


                    $this->log->debug(print_r($new_credit, true));

                    // create link to new credit contract
                    $link = ContractLinkModel::create([
                        "contract_id" => $new_credit->id,
                        "origin_contract_id" => $contract->id,
                        "type" => "credit"
                    ]);
                    $link->save();

                    // create link from old to new credit contract
                    $link = ContractLinkModel::create([
                        "contract_id" => $new_credit->id,
                        "origin_contract_id" => $old_credit->contract_id,
                        "type" => "upgrade"
                    ]);
                    $link->save();

                    $journal = ContractjournalModel::create([
                        'contract_id' => $old_credit->contract_id,
                        'type' => "canceled",
                        'value' => "",
                        'text' => ""
                    ]);
                    $journal->save();
                }
            }

        }
    }
}