// Copyright 2004-present Facebook. All Rights Reserved.

#include <gtest/gtest.h>
#include <cxxreact/MethodCall.h>

using namespace facebook;
using namespace facebook::react;

TEST(parseMethodCalls, SingleReturnCallNoArgs) {
  auto jsText = "[[7],[3],[\"[]\"]]";
  auto returnedCalls = parseMethodCalls(jsText);
  ASSERT_EQ(1, returnedCalls.size());
  auto returnedCall = returnedCalls[0];
  ASSERT_EQ(0, returnedCall.arguments.size());
  ASSERT_EQ(7, returnedCall.moduleId);
  ASSERT_EQ(3, returnedCall.methodId);
}

TEST(parseMethodCalls, InvalidReturnFormat) {
  try {
    parseMethodCalls("{\"foo\":1}");
    ADD_FAILURE();
  } catch (const std::invalid_argument&) {
    // ignored
  }
  try {
    parseMethodCalls("[{\"foo\":1}]");
    ADD_FAILURE();
  } catch (const std::invalid_argument&) {
    // ignored
  }
  try {
    parseMethodCalls("[1,4,{\"foo\":2}]");
    ADD_FAILURE();
  } catch (const std::invalid_argument&) {
    // ignored
  }
  try {
    parseMethodCalls("[[1],[4],{\"foo\":2}]");
    ADD_FAILURE();
  } catch (const std::invalid_argument&) {
    // ignored
  }
  try {
    parseMethodCalls("[[1],[4],[]]");
    ADD_FAILURE();
  } catch (const std::invalid_argument&) {
    // ignored
  }
}

TEST(parseMethodCalls, NumberReturn) {
  auto jsText = "[[0],[0],[\"[\\\"foobar\\\"]\"]]";
  auto returnedCalls = parseMethodCalls(jsText);
  ASSERT_EQ(1, returnedCalls.size());
  auto returnedCall = returnedCalls[0];
  ASSERT_EQ(1, returnedCall.arguments.size());
  ASSERT_EQ(folly::dynamic::STRING, returnedCall.arguments[0].type());
  ASSERT_EQ("foobar", returnedCall.arguments[0].asString());
}

TEST(parseMethodCalls, StringReturn) {
  auto jsText = "[[0],[0],[\"[42.16]\"]]";
  auto returnedCalls = parseMethodCalls(jsText);
  ASSERT_EQ(1, returnedCalls.size());
  auto returnedCall = returnedCalls[0];
  ASSERT_EQ(1, returnedCall.arguments.size());
  ASSERT_EQ(folly::dynamic::DOUBLE, returnedCall.arguments[0].type());
  ASSERT_EQ(42.16, returnedCall.arguments[0].asDouble());
}

TEST(parseMethodCalls, BooleanReturn) {
  auto jsText = "[[0],[0],[\"[false]\"]]";
  auto returnedCalls = parseMethodCalls(jsText);
  ASSERT_EQ(1, returnedCalls.size());
  auto returnedCall = returnedCalls[0];
  ASSERT_EQ(1, returnedCall.arguments.size());
  ASSERT_EQ(folly::dynamic::BOOL, returnedCall.arguments[0].type());
  ASSERT_FALSE(returnedCall.arguments[0].asBool());
}

TEST(parseMethodCalls, NullReturn) {
  auto jsText = "[[0],[0],[\"[null]\"]]";
  auto returnedCalls = parseMethodCalls(jsText);
  ASSERT_EQ(1, returnedCalls.size());
  auto returnedCall = returnedCalls[0];
  ASSERT_EQ(1, returnedCall.arguments.size());
  ASSERT_EQ(folly::dynamic::NULLT, returnedCall.arguments[0].type());
}

TEST(parseMethodCalls, MapReturn) {
  auto jsText = "[[0],[0],[\"[{\\\"foo\\\": \\\"hello\\\", \\\"bar\\\": 4.0, \\\"baz\\\": true}]\"]]";
  auto returnedCalls = parseMethodCalls(jsText);
  ASSERT_EQ(1, returnedCalls.size());
  auto returnedCall = returnedCalls[0];
  ASSERT_EQ(1, returnedCall.arguments.size());
  ASSERT_EQ(folly::dynamic::OBJECT, returnedCall.arguments[0].type());
  auto& returnedMap = returnedCall.arguments[0];
  auto foo = returnedMap.at("foo");
  EXPECT_EQ(folly::dynamic("hello"), foo);
  auto bar = returnedMap.at("bar");
  EXPECT_EQ(folly::dynamic(4.0), bar);
  auto baz = returnedMap.at("baz");
  EXPECT_EQ(folly::dynamic(true), baz);
}

TEST(parseMethodCalls, ArrayReturn) {
  auto jsText = "[[0],[0],[\"[[\\\"foo\\\", 42.0, false]]\"]]";
  auto returnedCalls = parseMethodCalls(jsText);
  ASSERT_EQ(1, returnedCalls.size());
  auto returnedCall = returnedCalls[0];
  ASSERT_EQ(1, returnedCall.arguments.size());
  ASSERT_EQ(folly::dynamic::ARRAY, returnedCall.arguments[0].type());
  auto& returnedArray = returnedCall.arguments[0];
  ASSERT_EQ(3, returnedArray.size());
  ASSERT_EQ(folly::dynamic("foo"), returnedArray[0]);
  ASSERT_EQ(folly::dynamic(42.0), returnedArray[1]);
  ASSERT_EQ(folly::dynamic(false), returnedArray[2]);
}

TEST(parseMethodCalls, ReturnMultipleParams) {
  auto jsText = "[[0],[0],[\"[\\\"foo\\\", 14, null, false]\"]]";
  auto returnedCalls = parseMethodCalls(jsText);
  ASSERT_EQ(1, returnedCalls.size());
  auto returnedCall = returnedCalls[0];
  ASSERT_EQ(4, returnedCall.arguments.size());
  ASSERT_EQ(folly::dynamic::STRING, returnedCall.arguments[0].type());
  ASSERT_EQ(folly::dynamic::INT64, returnedCall.arguments[1].type());
  ASSERT_EQ(folly::dynamic::NULLT, returnedCall.arguments[2].type());
  ASSERT_EQ(folly::dynamic::BOOL, returnedCall.arguments[3].type());
}

TEST(parseMethodCalls, ParseTwoCalls) {
  auto jsText = "[[0,0],[1,1],[\"[]\",\"[]\"]]";
  auto returnedCalls = parseMethodCalls(jsText);
  ASSERT_EQ(2, returnedCalls.size());
}