<?php
namespace ProVM\Crypto\Common\Controller;

use Psr\Http\Message\ServerRequestInterface as Request;
use Psr\Http\Message\ResponseInterface as Response;
use ProVM\Common\Define\Controller\JSON;
use ProVM\Common\Factory\Model as ModelFactory;
use ProVM\Crypto\Coin;

class Coins {
  use JSON;

  public function __invoke(Request $request, Response $response, ModelFactory $factory): Response {
    $coins = $factory->find(Coin::class)->array();
    usort($coins, function($a, $b) {
      return strcmp($a['code'], $b['code']);
    });
    $output = compact('coins');
    return $this->withJson($response, $output);
  }
  public function show(Request $request, Response $response, ModelFactory $factory, $coin_id): Response {
    $coin = $factory->find(Coin::class)->one($coin_id);
    if (!$coin) {
      return $this->withJson($response, ['coin' => null]);
    }
    $output = ['coin' => $coin->toArray()];
    return $this->withJson($response, $output);
  }
  public function add(Request $request, Response $response, ModelFactory $factory): Response {
    $post = $request->getBody()->getContents();
    $post = json_decode($post);
    $coin = Coin::add($factory, $post);
    $status = false;
    if ($coin->isNew()) {
      $status = $coin->save();
    }
    $output = [
      'input' => $post,
      'coin' => $coin->toArray(),
      'created' => $status
    ];
    return $this->withJson($response, $output);
  }
  public function edit(Request $request, Response $response, ModelFactory $factory, $coin_id): Response {
    $coin = $factory->find(Coin::class)->one($coin_id);
    if (!$coin) {
      return $this->withJson($response, ['coin' => null]);
    }
    $post = json_decode($request->getBody()->getContents());
    $edited = $coin->edit($post);
    $output = ['input' => $post, 'coin' => $coin->toArray(), 'edited' => $edited];
    return $this->withJson($response, $output);
  }
  public function delete(Request $request, Response $response, ModelFactory $factory, $coin_id): Response {
    $coin = $factory->find(Coin::class)->one($coin_id);
    if (!$coin) {
      return $this->withJson($response, ['coin' => null, 'deleted' => false]);
    }
    $output = [
      'coin' => $coin->toArray()
    ];
    $status = $coin->delete();
    $output['deleted'] = $status;
    return $this->withJson($response, $output);
  }
}