<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;
use App\Http\Controllers\TicketsController;
use App\IntegrationTicket;
use App\TicketUserBlock;
use App\TicketMain;
use App\Seat;
use Carbon\Carbon;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Illuminate\Database\Eloquent\Builder;

class GanaApiController extends Controller
{

    public function arrayResponse($statusCode,$message,$payment,$data)
    {
        return array('statusCode' => $statusCode, 'message' => $message, 'payment' => $payment, 'data' => $data);
    }

    /** Obtiene el status de un pin y retorna los tickets_user_blocks, que contengan este pin
    * @param $request
    * @return bloqueos del pin y status del mismo.
    */
    public function pin_state(Request $request)
    {
        $api_key = $request->header('api-key');
        $authorization = $request->header('Authorization');

        if(!$request->pin_id){
            return response($this->arrayResponse(400,'Please specify pin',null,null));
        }

        if(!$api_key){
            return response($this->arrayResponse(401,'Unauthorized',null,null));
        }

        try{
            if(!$this->checkAuthentication($authorization, $api_key)){
                return response($this->arrayResponse(401,'Unauthorized',null,null));
            }
        }
        catch(\Exception $ex){
            return response($this->arrayResponse(401,'Unauthorized',null,null));
        }

        // Obtiene bloqueos de este pin.
        $pin_tickets = TicketMain::where('pin_tercero', $request->pin_id)
                                ->with(['ticket_user_blocks' => function ($q){
                                    $q->where('ticket_user_blocks.is_social_distancing', false);
                                }])
                                ->with('tickets')
                                ->first();

        if(!$pin_tickets){
            return response($this->arrayResponse(400,'Pin does not exist',null,null));
        }

        if(!$pin_tickets->ticket_user_blocks->isEmpty()){
            return response($this->arrayResponse(200,'Pin pending payment','PENDING',$pin_tickets->ticket_user_blocks));
        }

        if(!$pin_tickets->tickets->isEmpty()){
            return response($this->arrayResponse(200,'Pin successful','CONFIRMED',$pin_tickets->tickets));
        }

        return response($this->arrayResponse(400,'Pin Expired',null,null));
    }

    /** Confirma un pin para proceder a la creación del ticket.
    * @param $request
    * @return tickets Tickets generados a partir del pin y la referencia de pago, junto a los datos de identificación del mismo.
    */
    public function pin_confirm(Request $request)
    {
        $api_key = $request->header('api-key');
        $authorization = $request->header('Authorization');

        if(!$request->pin_id){
            return response($this->arrayResponse(400,'Please specify pin',null,null));
        }

        if(!$api_key){
            return response($this->arrayResponse(401,'Unauthorized',null,null));
        }

        if(!$request->reference){
            return response($this->arrayResponse(400,'Please specify reference',null,null));
        }

        try{
            if(!$this->checkAuthentication($authorization, $api_key)){
                return response($this->arrayResponse(401,'Unauthorized',null,null));
            }
        }
        catch(\Exception $ex){
            return response($this->arrayResponse(401,'Unauthorized',null,null));
        }

        $pin_tickets = TicketMain::where('pin_tercero', $request->pin_id)
                                ->with(['ticket_user_blocks' => function ($q){
                                    $q->where('ticket_user_blocks.is_social_distancing', false);
                                }])
                                ->first();

        if(!$pin_tickets){
            return response($this->arrayResponse(400,'Pin does not exist',null,null));
        }

        if($pin_tickets->ticket_user_blocks->isEmpty()){
            return response($this->arrayResponse(400,'Pin Expired',null,null));
        }

        try{
            $ticketcontroller = new TicketsController;
            if($ticketcontroller->generateTickets($pin_tickets->ticket_user_blocks,$pin_tickets->id)){
                $pin_tickets->reference_tercero = $request->reference;
                $pin_tickets->update();

                $l = TicketMain::where('pin_tercero', $request->pin_id)->with('tickets')->first();
                return response($this->arrayResponse(200,'Pin successful','CONFIRMED',$l->tickets));
            }
            return response($this->arrayResponse(400,'Error creating tickets',null,null));
        } catch (\Exception $e) {
            return response($this->arrayResponse(400,'Error creating tickets',null,$e->getMessage()));
        }
    }

    /**
     * Valida la lógica de autenticación user,pass y api_key.
     * @param authorization -> Basic auth.
     * @param api_key -> identificador del proveedor.
     */
    protected function checkAuthentication($authorization, $api_key)
    {
        $authorization = substr($authorization, 6); // Remove Basic
        $authorization = base64_decode($authorization);
        $authorization = explode(":",$authorization);
        $username = $authorization[0];
        $password = $authorization[1];

        // Verificar el proveedor
        $integration_ticket_provider = IntegrationTicket::where('api_key', $api_key)
                                                        ->where('username', $username)
                                                        ->where('password', $password)
                                                        ->first();
        if(!$integration_ticket_provider){
            return false;
        }
        return true;
    }
}