<?php
defined('BASEPATH') OR exit('No direct script access allowed');

use chriskacerguis\RestServer\RestController;

class Widgets extends RestController
{

    function index_get($id = '')
    {
        // Example data for testing.
        $widgets = array(
            1 => array('id' => 1, 'name' => 'sprocket'),
            2 => array('id' => 2, 'name' => 'gear')
        );

        // get参数为空
        if (!$id) {
            $id = $this->get('id');
            var_dump($id);
        }
        if (!$id) {
            //$widgets = $this->widgets_model->getWidgets();
            if ($widgets)
                $this->response($widgets, 200); // 200 being the HTTP response code
            else
                $this->response(array('error' => 'Couldn\'t find any widgets!'), 404);
        }

        // get参数不为空
        //$widget = $this->widgets_model->getWidget($id);
        $widget = @$widgets[$id]; // test code

        if ($widget)
            $this->response($widget, 200); // 200 being the HTTP response code
        else
            $this->response(array('error' => 'Widget could not be found'), 404);
    }

    function index_post()
    {
        $data = $this->_post_args;
         echo json_encode($data);
        try {
            //$id = $this->widgets_model->createWidget($data);
            $id = 3; // test code
            //throw new Exception('Invalid request data', 400); // test code
            //throw new Exception('Widget already exists', 409); // test code
        } catch (Exception $e) {
            // Here the model can throw exceptions like the following:
            // * For invalid input data: new Exception('Invalid request data', 400)
            // * For a conflict when attempting to create, like a resubmit: new Exception('Widget already exists', 409)
            $this->response(array('error' => $e->getMessage()), $e->getCode());
        }
        if ($id) {
            $widget = array('id' => $id, 'name' => $data['name']); // test code
            //$widget = $this->widgets_model->getWidget($id);
            $this->response($widget, 201); // 201 being the HTTP response code
        } else
            $this->response(array('error' => 'Widget could not be created'), 404);
    }

    public function index_put()
    {
        $data = $this->_put_args;
        try {
            //$id = $this->widgets_model->updateWidget($data);
            $id = $data['id']; // test code
            //throw new Exception('Invalid request data', 400); // test code
        } catch (Exception $e) {
            // Here the model can throw exceptions like the following:
            // * For invalid input data: new Exception('Invalid request data', 400)
            // * For a conflict when attempting to create, like a resubmit: new Exception('Widget already exists', 409)
            $this->response(array('error' => $e->getMessage()), $e->getCode());
        }
        if ($id) {
            $widget = array('id' => $data['id'], 'name' => $data['name']); // test code
            //$widget = $this->widgets_model->getWidget($id);
            $this->response($widget, 200); // 200 being the HTTP response code
        } else
            $this->response(array('error' => 'Widget could not be found'), 404);
    }

    function index_delete($id = '')
    {

        // Example data for testing.
        $widgets = array(
            1 => array('id' => 1, 'name' => 'sprocket'),
            2 => array('id' => 2, 'name' => 'gear'),
            3 => array('id' => 3, 'name' => 'nut')
        );
        if (!$id) {
            $id = $this->get('id');
        }
        if (!$id) {
            $this->response(array('error' => 'An ID must be supplied to delete a widget'), 400);
        }

        //$widget = $this->widgets_model->getWidget($id);
        $widget = @$widgets[$id]; // test code

        if ($widget) {
            try {
                //$this->widgets_model->deleteWidget($id);
                //throw new Exception('Forbidden', 403); // test code
            } catch (Exception $e) {
                // Here the model can throw exceptions like the following:
                // * Client is not authorized: new Exception('Forbidden', 403)
                $this->response(array('error' => $e->getMessage()), $e->getCode());
            }
            $this->response($widget, 200); // 200 being the HTTP response code
        } else
            $this->response(array('error' => 'Widget could not be found'), 404);
    }
}