/*
 * Copyright (c) 2022 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "ecmascript/containers/containers_private.h"
#include "ecmascript/js_api/js_api_deque_iterator.h"
#include "ecmascript/js_api/js_api_deque.h"
#include "ecmascript/global_env.h"
#include "ecmascript/tests/test_helper.h"

using namespace panda;
using namespace panda::ecmascript;

namespace panda::test {
class JSAPIDequeIteratorTest : public testing::Test {
public:
    static void SetUpTestCase()
    {
        GTEST_LOG_(INFO) << "SetUpTestCase";
    }

    static void TearDownTestCase()
    {
        GTEST_LOG_(INFO) << "TearDownCase";
    }

    void SetUp() override
    {
        TestHelper::CreateEcmaVMWithScope(instance, thread, scope);
    }

    void TearDown() override
    {
        TestHelper::DestroyEcmaVMWithScope(instance, scope);
    }

    EcmaVM *instance {nullptr};
    ecmascript::EcmaHandleScope *scope {nullptr};
    JSThread *thread {nullptr};

protected:
    JSAPIDeque *CreateJSApiDeque()
    {
        ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
        JSHandle<GlobalEnv> env = thread->GetEcmaVM()->GetGlobalEnv();

        JSHandle<JSTaggedValue> globalObject = env->GetJSGlobalObject();
        JSHandle<JSTaggedValue> key(factory->NewFromASCII("ArkPrivate"));
        JSHandle<JSTaggedValue> value =
            JSObject::GetProperty(thread, JSHandle<JSTaggedValue>(globalObject), key).GetValue();

        auto objCallInfo = TestHelper::CreateEcmaRuntimeCallInfo(thread, JSTaggedValue::Undefined(), 6);
        objCallInfo->SetFunction(JSTaggedValue::Undefined());
        objCallInfo->SetThis(value.GetTaggedValue());
        objCallInfo->SetCallArg(0, JSTaggedValue(static_cast<int>(containers::ContainerTag::Deque)));

        [[maybe_unused]] auto prev = TestHelper::SetupFrame(thread, objCallInfo);
        JSTaggedValue result = containers::ContainersPrivate::Load(objCallInfo);
        TestHelper::TearDownFrame(thread, prev);

        JSHandle<JSTaggedValue> constructor(thread, result);
        JSHandle<JSAPIDeque> deque(factory->NewJSObjectByConstructor(JSHandle<JSFunction>(constructor), constructor));
        JSHandle<TaggedArray> newElements = factory->NewTaggedArray(JSAPIDeque::DEFAULT_CAPACITY_LENGTH);
        deque->SetElements(thread, newElements);
        return *deque;
    }
};

/**
 * @tc.name: Next
 * @tc.desc: Create an iterator of JSAPIDeque,and then loop through the elements of the iterator to check whether
 *           the elements are consistent through Next function.
 * @tc.type: FUNC
 * @tc.require:
 */
HWTEST_F_L0(JSAPIDequeIteratorTest, Next)
{
    constexpr uint32_t DEFAULT_LENGTH = 8;
    ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
    JSHandle<JSAPIDeque> jsDeque(thread, CreateJSApiDeque());
    EXPECT_TRUE(*jsDeque != nullptr);
    JSMutableHandle<JSTaggedValue> value(thread, JSTaggedValue::Undefined());
    JSHandle<JSTaggedValue> valueStr = thread->GlobalConstants()->GetHandledValueString();
    // insert value
    std::string dequeValue("keyvalue");
    for (uint32_t i = 0; i < DEFAULT_LENGTH; i++) {
        std::string ivalue = dequeValue + std::to_string(i);
        value.Update(factory->NewFromStdString(ivalue).GetTaggedValue());
        JSAPIDeque::InsertFront(thread, jsDeque, value);
    }
    JSHandle<JSAPIDequeIterator> dequeIterator = factory->NewJSAPIDequeIterator(jsDeque);
    for (uint32_t i = 0; i <= DEFAULT_LENGTH; i++) {
        auto ecmaRuntimeCallInfo = TestHelper::CreateEcmaRuntimeCallInfo(thread, JSTaggedValue::Undefined(), 4);
        ecmaRuntimeCallInfo->SetFunction(JSTaggedValue::Undefined());
        ecmaRuntimeCallInfo->SetThis(dequeIterator.GetTaggedValue());

        [[maybe_unused]] auto prev = TestHelper::SetupFrame(thread, ecmaRuntimeCallInfo);
        JSTaggedValue result = JSAPIDequeIterator::Next(ecmaRuntimeCallInfo);
        TestHelper::TearDownFrame(thread, prev);

        JSHandle<JSObject> resultObj(thread, result);
        if (i <= DEFAULT_LENGTH - 1U) {
            EXPECT_EQ(dequeIterator->GetNextIndex(), i);
            EXPECT_TRUE(JSObject::GetProperty(thread, resultObj, valueStr).GetValue()->IsString());
        }
        else {
            EXPECT_TRUE(dequeIterator->GetIteratedDeque().IsUndefined());
            EXPECT_TRUE(JSObject::GetProperty(thread, resultObj, valueStr).GetValue()->IsUndefined());
        }
    }
}

/**
 * @tc.name: Next
 * @tc.desc: test special return of Next, including throw exception and return undefined
 * @tc.type: FUNC
 * @tc.require:
 */
HWTEST_F_L0(JSAPIDequeIteratorTest, SpecialReturnOfNext)
{
    JSHandle<JSAPIDeque> jsDeque(thread, CreateJSApiDeque());
    ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
    JSHandle<JSAPIDequeIterator> dequeIterator = factory->NewJSAPIDequeIterator(jsDeque);
    dequeIterator->SetIteratedDeque(thread, JSTaggedValue::Undefined());
    
    // test Next exception
    {
        auto ecmaRuntimeCallInfo = TestHelper::CreateEcmaRuntimeCallInfo(thread, JSTaggedValue::Undefined(), 4);
        ecmaRuntimeCallInfo->SetFunction(JSTaggedValue::Undefined());
        ecmaRuntimeCallInfo->SetThis(JSTaggedValue::Undefined());

        [[maybe_unused]] auto prev = TestHelper::SetupFrame(thread, ecmaRuntimeCallInfo);
        JSTaggedValue result = JSAPIDequeIterator::Next(ecmaRuntimeCallInfo);
        TestHelper::TearDownFrame(thread, prev);
        EXPECT_EQ(result, JSTaggedValue::Exception());
        EXPECT_EXCEPTION();
    }

    // test Next return undefined
    {
        auto ecmaRuntimeCallInfo = TestHelper::CreateEcmaRuntimeCallInfo(thread, JSTaggedValue::Undefined(), 4);
        ecmaRuntimeCallInfo->SetFunction(JSTaggedValue::Undefined());
        ecmaRuntimeCallInfo->SetThis(dequeIterator.GetTaggedValue());

        [[maybe_unused]] auto prev = TestHelper::SetupFrame(thread, ecmaRuntimeCallInfo);
        JSTaggedValue result = JSAPIDequeIterator::Next(ecmaRuntimeCallInfo);
        TestHelper::TearDownFrame(thread, prev);
        EXPECT_EQ(result, thread->GlobalConstants()->GetUndefinedIterResult());
    }
}

/**
 * @tc.name: SetIteratedDeque
 * @tc.desc: Call the "SetIteratedDeque" function, check whether the result returned through "GetIteratedDeque"
 *           function from the JSAPIDequeIterator is within expectations.
 * @tc.type: FUNC
 * @tc.require:
 */
HWTEST_F_L0(JSAPIDequeIteratorTest, SetIteratedDeque)
{
    constexpr uint32_t DEFAULT_LENGTH = 8;
    ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
    JSHandle<JSAPIDeque> jsDeque1(thread, CreateJSApiDeque());
    JSHandle<JSAPIDeque> jsDeque2(thread, CreateJSApiDeque());
    EXPECT_TRUE(*jsDeque1 != nullptr);
    EXPECT_TRUE(*jsDeque2 != nullptr);
    JSMutableHandle<JSTaggedValue> value(thread, JSTaggedValue::Undefined());
    // insert value
    std::string dequeValue("keyvalue");
    for (uint32_t i = 0; i < DEFAULT_LENGTH; i++) {
        std::string ivalue = dequeValue + std::to_string(i);
        value.Update(factory->NewFromStdString(ivalue).GetTaggedValue());
        JSAPIDeque::InsertFront(thread, jsDeque1, value);
    }

    for (uint32_t i = 0; i < DEFAULT_LENGTH; i++) {
        std::string ivalue = dequeValue + std::to_string(i + 1U);
        value.Update(factory->NewFromStdString(ivalue).GetTaggedValue());
        JSAPIDeque::InsertFront(thread, jsDeque2, value);
    }
    JSHandle<JSAPIDequeIterator> dequeIterator = factory->NewJSAPIDequeIterator(jsDeque1);
    EXPECT_EQ(dequeIterator->GetIteratedDeque(), jsDeque1.GetTaggedValue());

    dequeIterator->SetIteratedDeque(thread, jsDeque2.GetTaggedValue());
    EXPECT_EQ(dequeIterator->GetIteratedDeque(), jsDeque2.GetTaggedValue());
}

/**
 * @tc.name: SetNextIndex
 * @tc.desc: Call the "SetNextIndex" function, check whether the result returned through "GetNextIndex"
 *           function from the JSAPIDequeIterator is within expectations.
 * @tc.type: FUNC
 * @tc.require:
 */
HWTEST_F_L0(JSAPIDequeIteratorTest, SetNextIndex)
{
    constexpr uint32_t DEFAULT_LENGTH = 8;
    ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
    JSHandle<JSAPIDeque> jsDeque(thread, CreateJSApiDeque());
    EXPECT_TRUE(*jsDeque != nullptr);
    JSMutableHandle<JSTaggedValue> value(thread, JSTaggedValue::Undefined());
    // insert value
    std::string dequeValue("keyvalue");
    for (uint32_t i = 0; i < DEFAULT_LENGTH; i++) {
        std::string ivalue = dequeValue + std::to_string(i);
        value.Update(factory->NewFromStdString(ivalue).GetTaggedValue());
        JSAPIDeque::InsertFront(thread, jsDeque, value);
    }
    JSHandle<JSAPIDequeIterator> dequeIterator = factory->NewJSAPIDequeIterator(jsDeque);
    for (uint32_t i = 0; i < DEFAULT_LENGTH; i++) {
        dequeIterator->SetNextIndex(i);
        EXPECT_EQ(dequeIterator->GetNextIndex(), i);
    }
}
}  // namespace panda::test