//------------------------------------------------------------------------------
/*
    This file is part of clio: https://github.com/XRPLF/clio
    Copyright (c) 2024, the clio developers.

    Permission to use, copy, modify, and distribute this software for any
    purpose with or without fee is hereby granted, provided that the above
    copyright notice and this permission notice appear in all copies.

    THE  SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
    WITH  REGARD  TO  THIS  SOFTWARE  INCLUDING  ALL  IMPLIED  WARRANTIES  OF
    MERCHANTABILITY  AND  FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
    ANY  SPECIAL,  DIRECT,  INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
    WHATSOEVER  RESULTING  FROM  LOSS  OF USE, DATA OR PROFITS, WHETHER IN AN
    ACTION  OF  CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
//==============================================================================

#include "util/MockAssert.hpp"
#include "util/config/ArrayView.hpp"
#include "util/config/ConfigDefinition.hpp"
#include "util/config/ConfigFileJson.hpp"
#include "util/config/FakeConfigData.hpp"
#include "util/config/ObjectView.hpp"
#include "util/config/Types.hpp"
#include "util/config/ValueView.hpp"

#include <boost/json/parse.hpp>
#include <gtest/gtest.h>

#include <cstddef>
#include <string>

using namespace util::config;

struct ArrayViewTest : virtual testing::Test {
    ArrayViewTest()
    {
        ConfigFileJson const jsonFileObj{boost::json::parse(kJSON_DATA).as_object()};
        auto const errors = configData.parse(jsonFileObj);
        EXPECT_TRUE(!errors.has_value());
    }
    ClioConfigDefinition configData = generateConfig();
};

// Array View tests can only be tested after the values are populated from user Config
// into ConfigClioDefinition
TEST_F(ArrayViewTest, ArrayGetValueDouble)
{
    auto const precision = 1e-9;
    ArrayView const arrVals = configData.getArray("array.[].sub");

    auto const firstVal = arrVals.valueAt(0);
    EXPECT_EQ(firstVal.type(), ConfigType::Double);
    EXPECT_TRUE(firstVal.hasValue());
    EXPECT_FALSE(firstVal.isOptional());

    EXPECT_NEAR(111.11, firstVal.asDouble(), precision);
    EXPECT_NEAR(4321.55, arrVals.valueAt(1).asDouble(), precision);
}

TEST_F(ArrayViewTest, ArrayGetValueString)
{
    ArrayView const arrVals = configData.getArray("array.[].sub2");
    ValueView const firstVal = arrVals.valueAt(0);

    EXPECT_EQ(firstVal.type(), ConfigType::String);
    EXPECT_EQ("subCategory", firstVal.asString());
    EXPECT_EQ("london", arrVals.valueAt(2).asString());
}

TEST_F(ArrayViewTest, IterateValuesDouble)
{
    auto const precision = 1e-9;
    ArrayView const arrVals = configData.getArray("array.[].sub");

    auto valIt = arrVals.begin<ValueView>();
    EXPECT_NEAR((*valIt++).asDouble(), 111.11, precision);
    EXPECT_NEAR((*valIt++).asDouble(), 4321.55, precision);
    EXPECT_NEAR((*valIt++).asDouble(), 5555.44, precision);
    EXPECT_EQ(valIt, arrVals.end<ValueView>());
}

TEST_F(ArrayViewTest, IterateValuesString)
{
    ArrayView const arrVals = configData.getArray("array.[].sub2");

    auto val2It = arrVals.begin<ValueView>();
    EXPECT_EQ((*val2It++).asString(), "subCategory");
    EXPECT_EQ((*val2It++).asString(), "temporary");
    EXPECT_EQ((*val2It++).asString(), "london");
    EXPECT_EQ(val2It, arrVals.end<ValueView>());
}

TEST_F(ArrayViewTest, ArrayWithObj)
{
    ArrayView const arrVals = configData.getArray("array.[]");
    ArrayView const arrValAlt = configData.getArray("array");
    auto const precision = 1e-9;

    auto const obj1 = arrVals.objectAt(0);
    auto const obj2 = arrValAlt.objectAt(0);
    EXPECT_NEAR(obj1.get<double>("sub"), obj2.get<double>("sub"), precision);
    EXPECT_NEAR(obj1.get<double>("sub"), 111.11, precision);
}

TEST_F(ArrayViewTest, IterateArray)
{
    auto arr = configData.getArray("dosguard.whitelist");
    EXPECT_EQ(2, arr.size());
    EXPECT_EQ(arr.valueAt(0).asString(), "125.5.5.1");
    EXPECT_EQ(arr.valueAt(1).asString(), "204.2.2.1");

    auto it = arr.begin<ValueView>();
    EXPECT_EQ((*it++).asString(), "125.5.5.1");
    EXPECT_EQ((*it++).asString(), "204.2.2.1");
    EXPECT_EQ((it), arr.end<ValueView>());
}

TEST_F(ArrayViewTest, CompareDifferentArrayIterators)
{
    auto const subArray = configData.getArray("array.[].sub");
    auto const dosguardArray = configData.getArray("dosguard.whitelist.[]");

    auto itArray = subArray.begin<ValueView>();
    auto itDosguard = dosguardArray.begin<ValueView>();

    for (std::size_t i = 0; i < subArray.size(); i++)
        EXPECT_NE(itArray++, itDosguard++);
}

TEST_F(ArrayViewTest, IterateObject)
{
    auto arr = configData.getArray("array");
    EXPECT_EQ(3, arr.size());

    auto it = arr.begin<ObjectView>();
    EXPECT_EQ(111.11, (*it).get<double>("sub"));
    EXPECT_EQ("subCategory", (*it++).get<std::string>("sub2"));

    EXPECT_EQ(4321.55, (*it).get<double>("sub"));
    EXPECT_EQ("temporary", (*it++).get<std::string>("sub2"));

    EXPECT_EQ(5555.44, (*it).get<double>("sub"));
    EXPECT_EQ("london", (*it++).get<std::string>("sub2"));

    EXPECT_EQ(it, arr.end<ObjectView>());
}

struct ArrayViewAssertTest : common::util::WithMockAssert, ArrayViewTest {};

TEST_F(ArrayViewAssertTest, AccessArrayOutOfBounce)
{
    // dies because higher only has 1 object (trying to access 2nd element)
    EXPECT_CLIO_ASSERT_FAIL({ [[maybe_unused]] auto _ = configData.getArray("higher").objectAt(1); });
}

TEST_F(ArrayViewAssertTest, AccessIndexOfWrongType)
{
    auto const& arrVals2 = configData.getArray("array.[].sub2");
    auto const& tempVal = arrVals2.valueAt(0);

    // dies as value is not of type int
    EXPECT_CLIO_ASSERT_FAIL({ [[maybe_unused]] auto _ = tempVal.asIntType<int>(); });
}

TEST_F(ArrayViewAssertTest, GetValueWhenItIsObject)
{
    ArrayView const arr = configData.getArray("higher");
    EXPECT_CLIO_ASSERT_FAIL({ [[maybe_unused]] auto _ = arr.begin<ValueView>(); });
}

TEST_F(ArrayViewAssertTest, GetObjectWhenItIsValue)
{
    ArrayView const dosguardWhitelist = configData.getArray("dosguard.whitelist");
    EXPECT_CLIO_ASSERT_FAIL({ [[maybe_unused]] auto _ = dosguardWhitelist.begin<ObjectView>(); });
}