// 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_details_validation.h"

#include <ostream>
#include <utility>

#include "base/json/json_reader.h"
#include "base/values.h"
#include "components/payments/core/payment_details.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace payments {
namespace {

const bool REQUIRE_TOTAL = true;
const bool DO_NOT_REQUIRE_TOTAL = false;
const bool EXPECT_VALID = true;
const bool EXPECT_INVALID = false;

struct PaymentDetailsValidationTestCase {
  PaymentDetailsValidationTestCase(const char* details,
                                   bool require_total,
                                   bool expect_valid)
      : details(details),
        require_total(require_total),
        expect_valid(expect_valid) {}
  ~PaymentDetailsValidationTestCase() = default;

  const char* const details;
  const bool require_total;
  const bool expect_valid;
};

std::ostream& operator<<(std::ostream& out,
                         const PaymentDetailsValidationTestCase& test_case) {
  out << test_case.details;
  return out;
}

class PaymentDetailsValidationTest
    : public ::testing::TestWithParam<PaymentDetailsValidationTestCase> {};

TEST_P(PaymentDetailsValidationTest, Test) {
  std::optional<base::Value> value = base::JSONReader::Read(
      GetParam().details, base::JSON_PARSE_CHROMIUM_EXTENSIONS);
  ASSERT_TRUE(value.has_value()) << "Should be in JSON format";
  ASSERT_TRUE(value->is_dict());
  PaymentDetails details;
  ASSERT_TRUE(
      details.FromValueDict(value->GetDict(), GetParam().require_total));
  std::string unused;

  EXPECT_EQ(GetParam().expect_valid, ValidatePaymentDetails(details, &unused));
}

INSTANTIATE_TEST_SUITE_P(
    TestCases,
    PaymentDetailsValidationTest,
    ::testing::Values(PaymentDetailsValidationTestCase(R"(
{
    "total": {
        "label": "Tots",
        "amount": {"currency": "USD", "value": "1.00"}
    }
})",
                                                       REQUIRE_TOTAL,
                                                       EXPECT_VALID),
                      PaymentDetailsValidationTestCase(R"(
{
    "total": {
        "label": "",
        "amount": {"currency": "USD", "value": "1.00"}
    }
})",
                                                       REQUIRE_TOTAL,
                                                       EXPECT_VALID),
                      PaymentDetailsValidationTestCase(R"(
{
    "total": {
        "label": "Tots",
        "amount": {"currency": "USD", "value": "1"}
    }
})",
                                                       REQUIRE_TOTAL,
                                                       EXPECT_VALID),
                      PaymentDetailsValidationTestCase(R"(
{
    "total": {
        "label": "Tots",
        "amount": {"currency": "USD", "value": "100"}
    }
})",
                                                       REQUIRE_TOTAL,
                                                       EXPECT_VALID),
                      PaymentDetailsValidationTestCase(R"(
{
    "total": {
        "label": "Tots",
        "amount": {"currency": "USD", "value": ""}
    }
})",
                                                       REQUIRE_TOTAL,
                                                       EXPECT_INVALID),
                      PaymentDetailsValidationTestCase(R"(
{
    "total": {
        "label": "Tots",
        "amount": {"currency": "USD", "value": "-1"}
    }
})",
                                                       REQUIRE_TOTAL,
                                                       EXPECT_INVALID),
                      PaymentDetailsValidationTestCase(R"(
{
    "total": {
        "label": "Tots",
        "amount": {"currency": "USD", "value": "1/3"}
    }
})",
                                                       REQUIRE_TOTAL,
                                                       EXPECT_INVALID),
                      PaymentDetailsValidationTestCase(R"(
{
    "total": {
        "label": "Tots",
        "amount": {"currency": "USD", "value": "1,3"}
    }
})",
                                                       REQUIRE_TOTAL,
                                                       EXPECT_INVALID),
                      PaymentDetailsValidationTestCase(R"(
{
    "total": {
        "label": "Tots",
        "amount": {"currency": "USD", "value": "ABC"}
    }
})",
                                                       REQUIRE_TOTAL,
                                                       EXPECT_INVALID),
                      PaymentDetailsValidationTestCase(R"(
{
    "total": {
        "label": "Tots",
        "amount": {"currency": "", "value": "1.00"}
    }
})",
                                                       REQUIRE_TOTAL,
                                                       EXPECT_INVALID),
                      PaymentDetailsValidationTestCase(R"(
{
    "total": {
        "label": "Tots",
        "amount": {"currency": "usd", "value": "1.00"}
    }
})",
                                                       REQUIRE_TOTAL,
                                                       EXPECT_INVALID),
                      PaymentDetailsValidationTestCase(R"(
{
    "total": {
        "label": "Tots",
        "amount": {"currency": "123", "value": "1.00"}
    }
})",
                                                       REQUIRE_TOTAL,
                                                       EXPECT_INVALID),
                      PaymentDetailsValidationTestCase(R"(
{
    "total": {
        "label": "Tots",
        "amount": {"currency": "USD", "value": "1.00"}
    },
    "displayItems": [{
        "label": "Subtotal",
        "amount": {"currency": "USD", "value": "0.99"}
    }, {
        "label": "Tax",
        "amount": {"currency": "USD", "value": "0.01"}
    }]
})",
                                                       REQUIRE_TOTAL,
                                                       EXPECT_VALID),
                      PaymentDetailsValidationTestCase(R"(
{
    "total": {
        "label": "",
        "amount": {"currency": "USD", "value": "1.00"}
    },
    "displayItems": [{
        "label": "",
        "amount": {"currency": "USD", "value": "0.99"}
    }, {
        "label": "",
        "amount": {"currency": "USD", "value": "0.01"}
    }]
})",
                                                       REQUIRE_TOTAL,
                                                       EXPECT_VALID),
                      PaymentDetailsValidationTestCase(R"(
{
    "total": {
        "label": "Tots",
        "amount": {"currency": "USD", "value": "1.00"}
    },
    "displayItems": [{
        "label": "Subtotal",
        "amount": {"currency": "$", "value": "0.99"}
    }, {
        "label": "Tax",
        "amount": {"currency": "USD", "value": "0.01"}
    }]
})",
                                                       REQUIRE_TOTAL,
                                                       EXPECT_INVALID),
                      PaymentDetailsValidationTestCase(R"(
{
    "total": {
        "label": "",
        "amount": {"currency": "USD", "value": "1.00"}
    },
    "displayItems": [{
        "label": "Subtotal",
        "amount": {"currency": "USD", "value": "0,99"}
    }, {
        "label": "Tax",
        "amount": {"currency": "USD", "value": "0.01"}
    }]
})",
                                                       REQUIRE_TOTAL,
                                                       EXPECT_INVALID),
                      PaymentDetailsValidationTestCase(R"(
{
    "total": {
        "label": "",
        "amount": {"currency": "USD", "value": "1.00"}
    },
    "displayItems": [{
        "label": "Subtotal",
        "amount": {"currency": "USD", "value": "1.01"}
    }, {
        "label": "Discount",
        "amount": {"currency": "USD", "value": "-0.01"}
    }]
})",
                                                       REQUIRE_TOTAL,
                                                       EXPECT_VALID),
                      PaymentDetailsValidationTestCase(R"(
{
    "displayItems": [{
        "label": "Subtotal",
        "amount": {"currency": "USD", "value": "1.01"}
    }, {
        "label": "Discount",
        "amount": {"currency": "USD", "value": "-0.01"}
    }]
})",
                                                       DO_NOT_REQUIRE_TOTAL,
                                                       EXPECT_VALID),
                      PaymentDetailsValidationTestCase(R"(
{
    "displayItems": [{
        "label": "Subtotal",
        "amount": {"currency": "USD", "value": "1.01"}
    }, {
        "label": "Discount",
        "amount": {"currency": "USD", "value": "-0.01"}
    }],
    "modifiers": [{
      "supportedMethods": "basic-card",
      "data": {
        "supportedTypes": ["debit"]
      },
      "total": {
        "label": "Discounted total",
        "amount": {"currency": "USD", "value": "0.80"}
      },
      "additionalDisplayItems": [{
        "label": "Debit card discount",
        "amount": {"currency": "USD", "value": "-0.20"}
      }]
    }, {
      "supportedMethods": "basic-card",
      "data": {
        "supportedTypes": ["mastercard"]
      },
      "total": {
        "label": "MasterCard discounted total",
        "amount": {"currency": "USD", "value": "0.80"}
      },
      "additionalDisplayItems": [{
        "label": "MasterCard discount",
        "amount": {"currency": "USD", "value": "-0.20"}
      }]
    }]
})",
                                                       DO_NOT_REQUIRE_TOTAL,
                                                       EXPECT_VALID),
                      PaymentDetailsValidationTestCase(R"(
{
    "displayItems": [{
        "label": "Subtotal",
        "amount": {"currency": "USD", "value": "1.01"}
    }, {
        "label": "Discount",
        "amount": {"currency": "USD", "value": "-0.01"}
    }],
    "modifiers": [{
      "supportedMethods": "basic-card",
      "data": {
        "supportedTypes": ["debit"]
      },
      "total": {
        "label": "Discounted total",
        "amount": {"currency": "$", "value": "0.80"}
      },
      "additionalDisplayItems": [{
        "label": "Debit card discount",
        "amount": {"currency": "USD", "value": "-0.20"}
      }]
    }]
})",
                                                       DO_NOT_REQUIRE_TOTAL,
                                                       EXPECT_INVALID),
                      PaymentDetailsValidationTestCase(R"(
{
    "displayItems": [{
        "label": "Subtotal",
        "amount": {"currency": "USD", "value": "1.01"}
    }, {
        "label": "Discount",
        "amount": {"currency": "USD", "value": "-0.01"}
    }],
    "modifiers": [{
      "supportedMethods": "basic-card",
      "data": {
        "supportedTypes": ["debit"]
      },
      "total": {
        "label": "Discounted total",
        "amount": {"currency": "USD", "value": "0.80"}
      },
      "additionalDisplayItems": [{
        "label": "Debit card discount",
        "amount": {"currency": "$", "value": "-0.20"}
      }]
    }]
})",
                                                       DO_NOT_REQUIRE_TOTAL,
                                                       EXPECT_INVALID),
                      PaymentDetailsValidationTestCase(R"(
{
    "displayItems": [{
        "label": "Subtotal",
        "amount": {"currency": "USD", "value": "1.01"}
    }, {
        "label": "Discount",
        "amount": {"currency": "USD", "value": "-0.01"}
    }],
    "modifiers": [{
      "supportedMethods": "basic-card",
      "data": {
        "supportedTypes": ["debit"]
      },
      "total": {
        "label": "Discounted total",
        "amount": {"currency": "USD", "value": "-0.80"}
      },
      "additionalDisplayItems": [{
        "label": "Debit card discount",
        "amount": {"currency": "USD", "value": "-0.20"}
      }]
    }]
})",
                                                       DO_NOT_REQUIRE_TOTAL,
                                                       EXPECT_INVALID),
                      PaymentDetailsValidationTestCase(R"(
{
    "displayItems": [{
        "label": "Subtotal",
        "amount": {"currency": "USD", "value": "1.01"}
    }, {
        "label": "Discount",
        "amount": {"currency": "USD", "value": "-0.01"}
    }],
    "modifiers": [{
      "supportedMethods": "basic-card",
      "data": {
        "supportedTypes": ["debit"]
      },
      "total": {
        "label": "Discounted total",
        "amount": {"currency": "USD", "value": "8,000"}
      },
      "additionalDisplayItems": [{
        "label": "Debit card discount",
        "amount": {"currency": "USD", "value": "-0.20"}
      }]
    }]
})",
                                                       DO_NOT_REQUIRE_TOTAL,
                                                       EXPECT_INVALID),
                      PaymentDetailsValidationTestCase(R"(
{
    "displayItems": [{
        "label": "Subtotal",
        "amount": {"currency": "USD", "value": "1.01"}
    }, {
        "label": "Discount",
        "amount": {"currency": "USD", "value": "-0.01"}
    }],
    "modifiers": [{
      "supportedMethods": "basic-card",
      "data": {
        "supportedTypes": ["debit"]
      },
      "total": {
        "label": "Discounted total",
        "amount": {"currency": "USD", "value": "0.80"}
      },
      "additionalDisplayItems": [{
        "label": "Debit card discount",
        "amount": {"currency": "USD", "value": "ABC"}
      }]
    }]
})",
                                                       DO_NOT_REQUIRE_TOTAL,
                                                       EXPECT_INVALID)));

}  // namespace
}  // namespace payments