// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/payments/core/payment_shipping_option.h"

#include "base/values.h"

namespace payments {

namespace {

// These are defined as part of the spec at:
// https://w3c.github.io/browser-payment-api/#dom-paymentshippingoption
static const char kPaymentShippingOptionAmount[] = "amount";
static const char kPaymentShippingOptionId[] = "id";
static const char kPaymentShippingOptionLabel[] = "label";
static const char kPaymentShippingOptionSelected[] = "selected";

}  // namespace

PaymentShippingOption::PaymentShippingOption() : selected(false) {
  amount = mojom::PaymentCurrencyAmount::New();
}

PaymentShippingOption::PaymentShippingOption(
    const PaymentShippingOption& other) {
  *this = other;
}

PaymentShippingOption::~PaymentShippingOption() = default;

bool PaymentShippingOption::operator==(
    const PaymentShippingOption& other) const {
  return id == other.id && label == other.label &&
         amount.Equals(other.amount) && selected == other.selected;
}

PaymentShippingOption& PaymentShippingOption::operator=(
    const PaymentShippingOption& other) {
  id = other.id;
  label = other.label;
  if (other.amount) {
    amount = other.amount.Clone();
  } else {
    amount.reset();
  }
  selected = other.selected;
  return *this;
}

bool PaymentShippingOption::FromValueDict(const base::DictValue& dict) {
  const std::string* id_in = dict.FindString(kPaymentShippingOptionId);
  if (!id_in) {
    return false;
  }
  id = *id_in;

  const std::string* label_in = dict.FindString(kPaymentShippingOptionLabel);
  if (!label_in) {
    return false;
  }
  label = *label_in;

  const base::DictValue* amount_dict =
      dict.FindDict(kPaymentShippingOptionAmount);
  if (!amount_dict) {
    return false;
  }
  amount = mojom::PaymentCurrencyAmount::New();
  if (!PaymentCurrencyAmountFromValueDict(*amount_dict, amount.get())) {
    return false;
  }

  // Selected is optional.
  selected = dict.FindBool(kPaymentShippingOptionSelected).value_or(selected);

  return true;
}

}  // namespace payments