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path: root/src/gemini/Controller/Unit.php
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<?php

namespace App\gemini\Controller;

use App\DB;
use App\Model\Event;
use App\Model\Event\SendUnits;
use App\Model\Event\TrainUnits;
use App\Model\Unit as Model;
use App\Model\Village;
use App\View;
use GeminiFoundation\Request;
use GeminiFoundation\Response;
use GeminiFoundation\Status;

class Unit
{
  // #[Route(path: '/village/{x}/{y}/unit/{type}/create', methods: ['POST'])]
  public function train(Request $request): Response
  {
    if (empty($request->get('input'))) {
      return new Response(statusCode: Status::INPUT, meta: 'Amount');
    }

    $village = Village::getByCoordinates($request->get('x'), $request->get('y'));

    /**@var Model $unit*/
    $unit = new (Model::resolveType($request->get('type')))();
    $unit->type = $request->get('type');
    $unit->homeVillageId = $village->id;

    $amount = intval($request->get('input'));

    if (! Village::canTrain($village, $unit, $amount)) {
      return new Response(
        statusCode: Status::REDIRECT_TEMPORARY,
        meta: "/village/{$village->x}/{$village->y}"
      );
    }

    // resources
    foreach (Model::getResourceRequirements($unit, $amount) as $resourceType => $resourceValue) {
      $village->{$resourceType} -= $resourceValue;
    }
    $village->updateResources();

    // event
    $event = new Event();
    $event->time = (new \DateTime())->add(\DateInterval::createFromDateString($unit->getBuildTime($amount) . ' seconds'));
    $event->villageId = $village->id;
    $trainUnitsEvent = new TrainUnits();
    $trainUnitsEvent->event = $event;
    $trainUnitsEvent->type = $request->get('type');
    $trainUnitsEvent->amount = $amount;
    $trainUnitsEvent->dbInsert();


    return new Response(
      statusCode: Status::REDIRECT_TEMPORARY,
      meta: "/village/{$village->x}/{$village->y}"
    );
  }

  // #[Route(path: '/village/{x}/{y}/send-units', methods: ['POST'])]
  public function sendUnits(Request $request): Response
  {
    $village = Village::getByCoordinates($request->get('x'), $request->get('y'));

    $selectedUnit = $request->get('selectedUnit');
    if (empty($selectedUnit)) {
      return new Response(body: View::render('send-units/01-units.twig', [
        'village' => $village,
      ]));
    }

    if (empty($request->get('selectedVillageX'))) {
      return new Response(body: View::render('send-units/02-villages.twig', [
        'village' => $village,
        'villages' => DB::fetch(Village::class, "select * from villages where id!=:id", ['id' => $village->id]),
        'selectedUnit' => $selectedUnit,
      ]));
    }
    $selectedVillage = Village::getByCoordinates($request->get('selectedVillageX'), $request->get('selectedVillageY'));

    $selectedAction = $request->get('selectedAction');
    if (empty($selectedAction)) {
      return new Response(body: View::render('send-units/03-actions.twig', [
        'village' => $village,
        'selectedUnit' => $selectedUnit,
        'selectedVillage' => $selectedVillage,
      ]));
    }

    $amount = intval($request->get('input'));
    if (empty($amount)) {
      return new Response(statusCode: Status::INPUT, meta: 'Amount');
    }

    $destination = $selectedVillage;

    /**@var Model $unit*/
    $unit = new (Model::resolveType($selectedUnit))();

    $amountUnits = DB::query(
      'select amount from village_units where home_village_id=:home and residence_village_id=:home and type=:type',
      ['home' => $village->id, 'type' => $selectedUnit]
    )->fetchColumn();

    if ($amountUnits - $amount > 0) {
      $statement = DB::query(
        <<<SQL
        update village_units set amount=:amount where home_village_id=:home and residence_village_id=:home and type=:type
        SQL,
        ['amount' => $amountUnits - $amount, 'home' => $village->id, 'type' => $selectedUnit]
      );
    } else if ($amountUnits - $amount === 0) {
      DB::query(
        <<<SQL
        delete from village_units where home_village_id=:home and residence_village_id=:home and type=:type
        SQL,
        ['home' => $village->id, 'type' => $selectedUnit]
      );
    }

    DB::query(
      'insert into village_units (amount, type, home_village_id, residence_village_id, is_traveling) values (:amount, :type, :home, :home, true)',
      ['amount' => $amount, 'type' => $selectedUnit, 'home' => $village->id]
    );

    // event
    $event = new Event();
    $event->time = (new \DateTime())->add(
      \DateInterval::createFromDateString(
        Model::getTravelTime($unit, Village::getDistance($village->x, $village->y, $destination->x, $destination->y))
        . ' seconds'
      )
    );
    $event->villageId = $village->id;
    $sendUnitsEvent = new SendUnits();
    $sendUnitsEvent->event = $event;
    $sendUnitsEvent->type = $selectedAction;
    $sendUnitsEvent->unit = $selectedUnit;
    $sendUnitsEvent->amount = $amount;
    $sendUnitsEvent->source = $village->id;
    $sendUnitsEvent->destination = $destination->id;
    $sendUnitsEvent->dbInsert();


    return new Response(
      statusCode: Status::REDIRECT_TEMPORARY,
      meta: "/village/{$village->x}/{$village->y}"
    );
  }
}