<?php
/**
 * Description of CustomerController
 *
 * @author Mike Howard
 * http://localhost:8000/index.php/customer/process/insert?name=Mike%20Howard&email=sctn4elk@msn.com&phone=208-841-4159&birthday=05/07/1965&loyalty=1&city=Winnsboro&state=TX&zip=75494
 * http://localhost:8000/index.php/customer/process/select?limit=20
 */

header("Content-Type: application/json");
require_once PD . "/Model/CustomerModel.php";

class CustomerController extends BaseController {
/** 
* "/customer/list" Endpoint - Get list of users 
*/
    public $customerModel;	
    public $action;
    
    function __construct() {
        parent::__construct();
        $this->basename = "CustomerController";
    }
    
    public function processAction() {
        $this->strErrorDesc = '';
        $this->strErrorHeader = '';
        $this->strErrorMessage = '';
        
        try {
            $this->requestMethod = $this->getServerRequestMethod();
            $this->customerModel = new CustomerModel();
            
            switch($this->action) {
                case "select":
                    $response = $this->selectAction();
                break;
                       
                case "insert":
                    $response = $this->insertCustomer();
                break;

                case "update":
                    $response = $this->updateCustomer();
                break;

                case "delete":
                    $response = $this->deleteCustomer();
                break;
            
                default:
                    $response = $this->unprocessableRequestResponse("processAction");
                break;
            }
        
            $responseData = json_encode($response);
            
        } catch (Error $e) {
            $this->internalErrorResponse($e);
        }
        
        // send output 
        if (!$this->strErrorDesc) {
            $this->sendOutput(
                $responseData,
                array('Content-Type: application/json', 'HTTP/1.1 200 OK')
            );
        } else {
            $this->sendOutput(json_encode(
                    array('error' => $this->strErrorDesc,
                          'message' => $this->strErrorMessage,
                          'controller' => $this->basename)),
                    array('Content-Type: application/json', $this->strErrorHeader)
            );
        }
    }
    
    private function selectAction(){
        if ($this->checkRequestType('GET') == 'false') {
            $response = $this->unprocessableRequestResponse("selectAction");
            return $response;
        }
        
        $this->arrQueryStringParams = $this->getQueryStringParams();
        
        if (isset($this->arrQueryStringParams['customer_id'])) {
           $response = $this->selectByIdAction();
        } else {
            $this->customerModel->limit = 20;
            
            if (isset($this->arrQueryStringParams['limit'])) {
                $this->customerModel->limit = $this->arrQueryStringParams['limit'];
            }
            $response = $this->customerModel->findAllCustomers();
            unset($this->customerModel->limit);
        }
        return $response;
    }
    
    private function selectByIdAction(){
        if (isset($this->arrQueryStringParams['customer_id'])) {
            $this->customerModel->customerId = $this->arrQueryStringParams['customer_id'];
            $response = $this->customerModel->findByCustomerId();
            unset($this->customerModel->customerId);
        } else {
            $response = $this->notFoundResponse("selectByIdAction");
        }
        
        return $response;
    }
    
    private function insertCustomer()
    {
        if ($this->checkRequestType('POST') == 'false') {
            $response = $this->unprocessableRequestResponse("insertCustomer");
            return $response;
        }
        // reads the raw POST data and returns it as a string. 
        $jsonPayload = file_get_contents('php://input');
	$input = json_decode($jsonPayload, TRUE);
        if (! $this->validatePerson($input)) {
            return $this->unprocessableEntityResponse();
        }

        //remove customer_id field so it doesn't break 
        unset($input['customer_id']);
        unset($input['image_path']);
        
        $response = $this->customerModel->insertCustomer($input);
        return $response;
    }

    private function updateCustomer()
    {
        if ($this->checkRequestType('PUT') == 'false') {
            $response = $this->unprocessableRequestResponse("updateCustomer");
            return $response;
        }
	$jsonPayload = file_get_contents('php://input');
	$input = json_decode($jsonPayload, TRUE);

        if (! $this->validatePerson($input)) {
            return $this->unprocessableEntityResponse("validatePerson");
        }
			
        if ($input['customer_id'] != null) {
            $this->customerModel->customerId = $input['customer_id'];
            $result = $this->customerModel->findByCustomerId();
            if (! $result) {
                return $this->notFoundResponse("updateCustomer->findByCustomerId");
            }
            
            $response = $this->customerModel->updateCustomer($input);
            unset($this->customerModel->customerId);
        } else {
            return $this->notFoundResponse("updateCustomer->customer_id");
        }
        return $response;
    }

    private function deleteCustomer()
    {
        if ($this->checkRequestType('DELETE') == 'false') {
            $response = $this->unprocessableRequestResponse("deleteCustomer");
            return $response;
        }
        
        $this->arrQueryStringParams = $this->getQueryStringParams();
        
        if (isset($this->arrQueryStringParams['customerId'])) {
            $this->customerModel->customerId = $this->arrQueryStringParams['customerId'];
            $result = $this->customerModel->findByCustomerId();
            if (!$result) {
                return $this->notFoundResponse("deleteCustomer->findByCustomerId");
            }
            $response = $this->customerModel->deleteCustomer();
            unset($this->customerModel->customerId);
        } else {
            return $this->notFoundResponse("deleteCustomer->customer_id");
        }
        return $response;
    }
    
    private function validatePerson($input)
    {
        $validtion = false;
        if($input['customer_name_first'] != null){
            $validtion = true;
            if($input['customer_name_last'] == null) {
                $validtion = false;
            }
        }
        return $validtion;
    }
}