const base64 = require('base-64');
const utf8 = require('utf8');
 
var bytes = utf8.encode(auths.snipcart.api_key);
var api64 = base64.encode(bytes);

const validateToken = await require("@pipedreamhq/platform").axios(this, {
  url: `https://app.snipcart.com/api/requestvalidation/${steps.trigger.event.headers["x-snipcart-requesttoken"]}`,
  headers: {
    contentType: "application/json",
    authorization: "Basic " + api64
  }
});

if(!validateToken){
  return await $response({
    status: 400,
    body: {
      errors: [{
        "key": "bad_request",
        "message": "Not from snipcart API"
      }]
    }
  })
}

console.log(event.body.content.shippingAddressPostalCode);
this.shippingPostalCode = event.body.content.shippingAddressPostalCode;

const shipping_methods = await require("@pipedreamhq/platform").axios(this, {
  url: `https://app.snipcart.com/api/shipping_methods`,
  headers:{
    accept: "application/json"
  },
  auth: {
    username: `${auths.snipcart.api_key}`,
    password: ``,
  },
});

this.shipping_methods = shipping_methods;

for(var i = 0; i < shipping_methods.length; i++){
  if(shipping_methods[i].postalCodeRegex){
    var regexPostalCode = new RegExp(shipping_methods[i].postalCodeRegex, "g");
    console.log("Found Regex", regexPostalCode);
    if((steps.trigger.event.body.content.shippingAddressPostalCode.toString()).match(regexPostalCode) === null){
      console.log("Send Error Response", shipping_methods[i].postalCodeRegex);
      return await $respond({
          status:200,
          headers: {
            contentType: "application/json",
            authorization: "Basic " + api64
          },
          body: {
              "errors": [
                  {
                    "key": "shipping-failed",
                    "message": "Shipping is not available on your location. Sorry..."
                  }
                ]
            }
        });
    }
  }else{
    console.log("Skip", shipping_methods[i].postalCodeRegex);
    continue;
  }
}

$respond({
  status: 200,
  headers: {
    contentType: "application/json"
  },
  body: steps.trigger.event.body.content
})

return $end("Nothing is return");