<?php

/*
 * This file is part of the Kimai time-tracking app.
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace App\Tests\DataFixtures;

use App\Entity\Activity;
use App\Entity\Project;
use App\Entity\Timesheet;
use App\Entity\User;
use App\Entity\UserPreference;
use App\Timesheet\Util;
use Doctrine\Bundle\FixturesBundle\Fixture;
use Doctrine\Common\Persistence\ObjectManager;
use Faker\Factory;

/**
 * Defines the sample data to load in during controller tests.
 */
class TimesheetFixtures extends Fixture
{
    /**
     * @var User
     */
    protected $user;
    /**
     * @var int
     */
    protected $amount = 0;
    /**
     * @var int
     */
    protected $running = 0;
    /**
     * @var Activity[]
     */
    protected $activities = [];
    /**
     * @var string
     */
    protected $startDate = '2018-04-01';
    /**
     * @var bool
     */
    protected $fixedRate = false;
    /**
     * @var bool
     */
    protected $hourlyRate = false;
    /**
     * @var bool
     */
    protected $allowEmptyDescriptions = true;
    /**
     * @var int
     */
    protected $exported = false;

    /**
     * @param bool $allowEmptyDescriptions
     * @return TimesheetFixtures
     */
    public function setAllowEmptyDescriptions(bool $allowEmptyDescriptions)
    {
        $this->allowEmptyDescriptions = $allowEmptyDescriptions;

        return $this;
    }

    /**
     * @param bool $exported
     * @return TimesheetFixtures
     */
    public function setExported(bool $exported)
    {
        $this->exported = $exported;

        return $this;
    }

    /**
     * @param bool $fixedRate
     * @return TimesheetFixtures
     */
    public function setFixedRate(bool $fixedRate)
    {
        $this->fixedRate = $fixedRate;

        return $this;
    }

    /**
     * @param bool $hourlyRate
     * @return TimesheetFixtures
     */
    public function setHourlyRate(bool $hourlyRate)
    {
        $this->hourlyRate = $hourlyRate;

        return $this;
    }

    /**
     * @param string|\DateTime $date
     * @return TimesheetFixtures
     */
    public function setStartDate($date)
    {
        if ($date instanceof \DateTime) {
            $date = $date->format('Y-m-d');
        }
        $this->startDate = $date;

        return $this;
    }

    /**
     * @param int $amount
     * @return $this
     */
    public function setAmountRunning($amount)
    {
        $this->running = $amount;

        return $this;
    }

    /**
     * @param int $amount
     * @return $this
     */
    public function setAmount($amount)
    {
        $this->amount = $amount;

        return $this;
    }

    /**
     * @param User $user
     * @return $this
     */
    public function setUser(User $user)
    {
        $this->user = $user;

        return $this;
    }

    /**
     * @param Activity[] $activities
     * @return $this
     */
    public function setActivities(array $activities)
    {
        $this->activities = $activities;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function load(ObjectManager $manager)
    {
        $activities = $this->activities;
        if (empty($activities)) {
            $activities = $this->getAllActivities($manager);
        }

        $projects = $this->getAllProjects($manager);

        $faker = Factory::create();
        $user = $this->user;

        for ($i = 0; $i < $this->amount; $i++) {
            $description = $faker->text;
            if ($this->allowEmptyDescriptions) {
                if ($i % 3 == 0) {
                    $description = null;
                } elseif ($i % 2 == 0) {
                    $description = '';
                }
            }

            $activity = $activities[array_rand($activities)];
            $project = $activity->getProject();

            if (null === $project) {
                $project = $projects[array_rand($projects)];
            }

            $entry = $this->createTimesheetEntry(
                $user,
                $activity,
                $project,
                $description,
                $this->getDateTime($i)
            );

            $manager->persist($entry);
        }

        for ($i = 0; $i < $this->running; $i++) {
            $activity = $activities[array_rand($activities)];
            $project = $activity->getProject();

            if (null === $project) {
                $project = $projects[array_rand($projects)];
            }

            $entry = $this->createTimesheetEntry(
                $user,
                $activity,
                $project,
                $faker->text,
                $this->getDateTime($i),
                false
            );
            $manager->persist($entry);
        }

        $manager->flush();
    }

    /**
     * @param $i
     * @return bool|\DateTime
     */
    protected function getDateTime($i)
    {
        $start = \DateTime::createFromFormat('Y-m-d', $this->startDate);
        $start->modify("+ $i days");
        $start->modify('+ ' . rand(1, 172800) . ' seconds'); // up to 2 days
        return $start;
    }

    /**
     * @param ObjectManager $manager
     * @return Activity[]
     */
    protected function getAllActivities(ObjectManager $manager)
    {
        $all = [];
        /* @var Activity[] $entries */
        $entries = $manager->getRepository(Activity::class)->findAll();
        foreach ($entries as $temp) {
            $all[$temp->getId()] = $temp;
        }

        return $all;
    }

    /**
     * @param ObjectManager $manager
     * @return Project[]
     */
    protected function getAllProjects(ObjectManager $manager)
    {
        $all = [];
        /* @var Project[] $entries */
        $entries = $manager->getRepository(Project::class)->findAll();
        foreach ($entries as $temp) {
            $all[$temp->getId()] = $temp;
        }

        return $all;
    }

    /**
     * @param User $user
     * @param Activity $activity
     * @param Project $project
     * @param string $description
     * @param \DateTime $start
     * @param bool $setEndDate
     * @return Timesheet
     */
    private function createTimesheetEntry(User $user, Activity $activity, Project $project, $description, \DateTime $start, $setEndDate = true)
    {
        $end = clone $start;
        $end = $end->modify('+ ' . (rand(1, 86400)) . ' seconds');

        $duration = $end->getTimestamp() - $start->getTimestamp();
        $hourlyRate = (float) $user->getPreferenceValue(UserPreference::HOURLY_RATE);
        $rate = Util::calculateRate($hourlyRate, $duration);

        $entry = new Timesheet();
        $entry
            ->setActivity($activity)
            ->setProject($project)
            ->setDescription($description)
            ->setUser($user)
            ->setRate($rate)
            ->setBegin($start);

        if ($this->fixedRate) {
            $entry->setFixedRate(rand(10, 100));
        }

        if ($this->hourlyRate) {
            $entry->setHourlyRate($hourlyRate);
        }

        if (null !== $this->exported) {
            $entry->setExported($this->exported);
        }

        if ($setEndDate) {
            $entry
                ->setEnd($end)
                ->setDuration($duration)
            ;
        }

        return $entry;
    }
}