<?php
/**
 * Tine 2.0
 *
 * @package     HumanResources
 * @subpackage  BL
 * @license     http://www.gnu.org/licenses/agpl.html AGPL Version 3
 * @author      Paul Mehrer <p.mehrer@metaways.de>
 * @copyright   Copyright (c) 2019 Metaways Infosystems GmbH (http://www.metaways.de)
 *
 */

/**
 *
 * @package     HumanResources
 * @subpackage  BL
 */
class HumanResources_BL_DailyWTReport_Data implements Tinebase_BL_DataInterface
{
    public $allowTimesheetOverlap = false;

    /**
     * @var Tinebase_DateTime
     */
    public $date;

    /**
     * @var Tinebase_Record_RecordSet of HumanResources_Model_FreeTime
     */
    public $freeTimes = null;

    /**
     * @var Tinebase_Model_BankHoliday|null;
     */
    public $bankHoliday = null;

    /**
     * @var HumanResources_Model_WorkingTimeScheme
     */
    public $workingTimeModel;

    /**
     * @var array of HumanResources_BL_DailyWTReport_TimeSlot
     */
    public $timeSlots = [];

    public $absenceTimeSlots = [];

    /**
     * @var HumanResources_Model_DailyWTReport
     */
    public $result;

    public function toArray()
    {
        return [
            'timeSlots' => $this->timeSlots,
            'result' => $this->result->toArray(),
        ];
    }

    /**
     * @param Tinebase_Record_RecordSet $_timeSheets
     * @throws Tinebase_Exception_InvalidArgument
     * @throws Tinebase_Exception_BL
     */
    public function convertTimeSheetsToTimeSlots(Tinebase_Record_RecordSet $_timeSheets)
    {
        $_timeSheets->sort('start_time');
        $relations = new Tinebase_Record_RecordSet(Tinebase_Model_Relation::class);
        $relation = new Tinebase_Model_Relation(
            [
                'own_model'         => HumanResources_Model_DailyWTReport::class,
                'own_backend'       => Tinebase_Model_Relation::DEFAULT_RECORD_BACKEND,
                'own_id'            => $this->result->getId(),
                'related_model'     => Timetracker_Model_Timesheet::class,
                'related_backend'   => Tinebase_Model_Relation::DEFAULT_RECORD_BACKEND,
                'related_degree'    => Tinebase_Model_Relation::DEGREE_SIBLING,
                'type'              => HumanResources_Model_DailyWTReport::MODEL_NAME_PART,
            ], true);

        $lastTs = null;
        $lastSlot = null;
        /** @var Timetracker_Model_Timesheet $timeSheet */
        foreach ($_timeSheets as $timeSheet) {
            $timeSlot = new HumanResources_BL_DailyWTReport_TimeSlot();
            if ($lastSlot && ! $timeSheet->start_time) {
                $timeSlot->start = $lastSlot->end->getClone();
            } else {
                $timeSlot->start = new Tinebase_DateTime($timeSheet->start_date->format('Y-m-d ') . $timeSheet->start_time);
            }
            if ($timeSheet->end_time) {
                $timeSlot->end = new Tinebase_DateTime($timeSheet->start_date->format('Y-m-d ') . $timeSheet->end_time);
                if ('00:00:00' === $timeSheet->end_time && $timeSheet->duration > 0) {
                    $timeSlot->end->addDay(1);
                }
            } else {
                $timeSlot->end = $timeSlot->start->getClone()->addMinute($timeSheet->duration);
            }
            $timeSlot->timeAccountId = $timeSheet->getIdFromProperty('timeaccount_id');
            $timeSlot->timeSheetId = $timeSheet->getId();
            $timeSlot->absenceReason = $timeSheet->{HumanResources_Model_FreeTimeType::TT_TS_SYSCF_ABSENCE_REASON};

            if (!$this->allowTimesheetOverlap && false !== ($lastSlot = end($this->timeSlots))) {
                /** @var HumanResources_BL_DailyWTReport_TimeSlot $lastSlot */
                if ($timeSlot->start->isEarlier($lastSlot->end)) {
                    $start = $timeSlot->start->format('Y-m-d H:i');
                    $end = $lastSlot->end->format('Y-m-d H:i');
                    $infoString = ' start: '. $start . ' / end of last slot: ' . $end;
                    if (strcmp($start, $end) > 0) {
                        throw new Tinebase_Exception_BL('Timesheets must not overlap!' . $infoString);
                    }
                    $timeSlot->start = clone $lastSlot->end;
                    if ($timeSlot->start->isLater($timeSlot->end)) {
                        throw new Tinebase_Exception_BL(
                            'Timesheets must not overlap (start later than end)!'
                                . ' start: ' . $timeSlot->start->format('Y-m-d H:i')
                                . ' end: ' . $timeSlot->end->format('Y-m-d H:i'));
                    }
                }
            }
            if ($this->allowTimesheetOverlap && $lastTs && !$lastTs->start_time &&
                    strcmp($timeSlot->start->format('Y-m-d H:i'), $lastSlot->end->format('Y-m-d H:i')) > 0) {
                array_pop($this->timeSlots);
            }
            $newRelation = clone $relation;
            $newRelation->related_id = $timeSheet->getId();
            $relations->addRecord($newRelation);

            $this->timeSlots[] = $timeSlot;
            if ($this->allowTimesheetOverlap && $lastTs && !$lastTs->start_time &&
                    strcmp($timeSlot->start->format('Y-m-d H:i'), $lastSlot->end->format('Y-m-d H:i')) > 0) {
                $duration = $lastSlot->durationInSec();
                $lastSlot->start = $timeSlot->end->getClone();
                $lastSlot->end = $lastSlot->start->getClone()->addSecond($duration);
                $this->timeSlots[] = $lastSlot;
                $timeSheet = $lastTs;
                $timeSlot = $lastSlot;
            }
            $lastSlot = $timeSlot;
            $lastTs = $timeSheet;
        }
        if (!empty($this->timeSlots) && $this->timeSlots[0]->absenceReason) {
            $this->absenceTimeSlots[] = array_shift($this->timeSlots);
        }
        end($this->timeSlots);
        if (!empty($this->timeSlots) && current($this->timeSlots)->absenceReason) {
            $this->absenceTimeSlots[] = array_pop($this->timeSlots);
        }
        reset($this->timeSlots);

        $this->result->relations = $relations;
    }
}