module;

#include <gtest/gtest.h>
#include <gmock/gmock.h>

#include <utility>

export module Packet_test;
import MMO.Packet;
import std;

// Encodes
TEST(DataEncoding, uint8Min) {
    std::vector<uint8_t> encoded;
    EXPECT_EQ(MMO::Networking::encodeValue(std::numeric_limits<uint8_t>::min(), encoded), 1);
    EXPECT_EQ(encoded, std::vector<uint8_t>{0b10000000});
    encoded.clear();
}

TEST(DataEncoding, uint8Max) {
    std::vector<uint8_t> encoded;
    EXPECT_EQ(MMO::Networking::encodeValue(std::numeric_limits<uint8_t>::max(), encoded), 2);
    EXPECT_EQ(encoded, std::vector<uint8_t>({ 0b01111111, 0b10000001}));
    encoded.clear();
}

TEST(DataEncoding, int8Min) {
    std::vector<uint8_t> encoded;
    EXPECT_EQ(MMO::Networking::encodeValue(std::numeric_limits<int8_t>::min(), encoded), 2);
    EXPECT_EQ(encoded, std::vector<uint8_t>({ 0b01000000, 0b11111110}));
    encoded.clear();
}

TEST(DataEncoding, int8Max) {
    std::vector<uint8_t> encoded;
    EXPECT_EQ(MMO::Networking::encodeValue(std::numeric_limits<int8_t>::max(), encoded), 2);
    EXPECT_EQ(encoded, std::vector<uint8_t>({ 0b00111111,0b10000001,}));
    encoded.clear();
}

TEST(DataEncoding, uint16Min) {
    std::vector<uint8_t> encoded;
    EXPECT_EQ(MMO::Networking::encodeValue(std::numeric_limits<uint16_t>::min(), encoded), 1);
    EXPECT_EQ(encoded, std::vector<uint8_t>{0b10000000});
    encoded.clear();
}

TEST(DataEncoding, uint16Max) {
    std::vector<uint8_t> encoded;
    EXPECT_EQ(MMO::Networking::encodeValue(std::numeric_limits<uint16_t>::max(), encoded), 3);
    EXPECT_EQ(encoded, std::vector<uint8_t>({ 0b01111111, 0b01111111, 0b10000011}));
    encoded.clear();
}

TEST(DataEncoding, int16Min) {
    std::vector<uint8_t> encoded;
    EXPECT_EQ(MMO::Networking::encodeValue(std::numeric_limits<int16_t>::min(), encoded), 3);
    EXPECT_EQ(encoded, std::vector<uint8_t>({ 0b01000000, 0, 0b11111100}));
    encoded.clear();
}

TEST(DataEncoding, int16Max) {
    std::vector<uint8_t> encoded;
    EXPECT_EQ(MMO::Networking::encodeValue(std::numeric_limits<int16_t>::max(), encoded), 3);
    EXPECT_EQ(encoded, std::vector<uint8_t>({ 0b00111111, 0b01111111, 0b10000011}));
    encoded.clear();
}

TEST(DataEncoding, uint32Min) {
    std::vector<uint8_t> encoded;
    EXPECT_EQ(MMO::Networking::encodeValue(std::numeric_limits<uint32_t>::min(), encoded), 1);
    EXPECT_EQ(encoded, std::vector<uint8_t>{0b10000000});
    encoded.clear();
}

TEST(DataEncoding, uint32Max) {
    std::vector<uint8_t> encoded;
    EXPECT_EQ(MMO::Networking::encodeValue(std::numeric_limits<uint32_t>::max(), encoded), 5);
    EXPECT_EQ(encoded, std::vector<uint8_t>({ 0b01111111, 0b01111111, 0b01111111, 0b01111111, 0b10001111}));
    encoded.clear();
}

TEST(DataEncoding, int32Min) {
    std::vector<uint8_t> encoded;
    EXPECT_EQ(MMO::Networking::encodeValue(std::numeric_limits<int32_t>::min(), encoded), 5);
    EXPECT_EQ(encoded, std::vector<uint8_t>({ 0b01000000, 0, 0, 0, 0b11110000}));
    encoded.clear();
}

TEST(DataEncoding, int32Max) {
    std::vector<uint8_t> encoded;
    EXPECT_EQ(MMO::Networking::encodeValue(std::numeric_limits<int32_t>::max(), encoded), 5);
    EXPECT_EQ(encoded, std::vector<uint8_t>({ 0b00111111, 0b01111111, 0b01111111, 0b01111111, 0b10001111}));
    encoded.clear();
}

TEST(DataEncoding, uint64Min) {
    std::vector<uint8_t> encoded;
    EXPECT_EQ(MMO::Networking::encodeValue(std::numeric_limits<uint64_t>::min(), encoded), 1);
    EXPECT_EQ(encoded, std::vector<uint8_t>{0b10000000});
    encoded.clear();
}

TEST(DataEncoding, uint64Max) {
    std::vector<uint8_t> encoded;
    EXPECT_EQ(MMO::Networking::encodeValue(std::numeric_limits<uint64_t>::max(), encoded), 10);
    EXPECT_EQ(encoded,
              std::vector<uint8_t>({ 0b01111111, 0b01111111, 0b01111111, 0b01111111, 0b01111111, 0b01111111, 0b01111111,
                  0b01111111, 0b01111111, 0b10000001}));
    encoded.clear();
}

TEST(DataEncoding, int64Min) {
    std::vector<uint8_t> encoded;
    EXPECT_EQ(MMO::Networking::encodeValue(std::numeric_limits<int64_t>::min(), encoded), 10);
    EXPECT_EQ(encoded,
              std::vector<uint8_t>({0b01000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000,
                  0b00000000, 0b00000000, 0b11111110}));
    encoded.clear();
}

TEST(DataEncoding, int64Max) {
    std::vector<uint8_t> encoded;
    EXPECT_EQ(MMO::Networking::encodeValue(std::numeric_limits<int64_t>::max(), encoded), 10);
    EXPECT_EQ(encoded,
              std::vector<uint8_t>({ 0b00111111, 0b01111111, 0b01111111, 0b01111111, 0b01111111, 0b01111111, 0b01111111,
                  0b01111111,
                  0b01111111, 0b10000001}));
    encoded.clear();
}


TEST(DataEncoding, float0) {
    const auto value = 0.0f;
    std::vector<uint8_t> encoded;
    // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
    EXPECT_EQ(MMO::Networking::encodeValue(value, encoded), 1);
    EXPECT_EQ(encoded,
              std::vector<uint8_t>({ 0b11111111}));
    encoded.clear();
}

TEST(DataEncoding, floatMin) {
    const auto value = std::numeric_limits<float>::min();
    std::vector<uint8_t> encoded;
    // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
    EXPECT_EQ(MMO::Networking::encodeValue(value, encoded), 6);
    EXPECT_EQ(encoded,
              std::vector<uint8_t>({ 0b01000010, 0b11111110, 0, 0, 0, 0b10001000}));
    encoded.clear();
}

TEST(DataEncoding, floatLowest) {
    const auto value = std::numeric_limits<float>::lowest();
    std::vector<uint8_t> encoded;
    // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
    EXPECT_EQ(MMO::Networking::encodeValue(value, encoded), 6);
    EXPECT_EQ(encoded,
              std::vector<uint8_t>({ 0b00111111, 0b10000001, 0b01000001, 0 ,0, 0b11110000}));
    encoded.clear();
}

TEST(DataEncoding, floatMax) {
    const auto value = std::numeric_limits<float>::max();
    std::vector<uint8_t> encoded;
    // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
    EXPECT_EQ(MMO::Networking::encodeValue(value, encoded), 6);
    EXPECT_EQ(encoded,
              std::vector<uint8_t>({ 0b00111111, 0b10000001, 0b00111111, 0b01111111, 0b01111111, 0b10001111}));
    encoded.clear();
}


TEST(DataEncoding, floatNan) {
    const auto value = std::numeric_limits<float>::quiet_NaN();
    std::vector<uint8_t> encoded;
    // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
    EXPECT_EQ(MMO::Networking::encodeValue(value, encoded), 3);
    EXPECT_EQ(encoded,
              std::vector<uint8_t>({ 0b01000000, 0b11111110, 0b10000010}));
    encoded.clear();
}


TEST(DataEncoding, floatInfPositive) {
    const auto value = std::numeric_limits<float>::infinity();
    std::vector<uint8_t> encoded;
    // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
    EXPECT_EQ(MMO::Networking::encodeValue(value, encoded), 3);
    EXPECT_EQ(encoded,
              std::vector<uint8_t>({ 0b01000000, 0b11111110, 0b10000001}));
    encoded.clear();
}


TEST(DataEncoding, floatInfNegative) {
    const auto value = -std::numeric_limits<float>::infinity();
    std::vector<uint8_t> encoded;
    // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
    EXPECT_EQ(MMO::Networking::encodeValue(value, encoded), 3);
    EXPECT_EQ(encoded,
              std::vector<uint8_t>({ 0b01000000, 0b11111110, 0b10000000}));
    encoded.clear();
}


TEST(DataEncoding, double0) {
    const double value = 0.0;
    std::vector<uint8_t> encoded;
    // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
    EXPECT_EQ(MMO::Networking::encodeValue(value, encoded), 1);
    EXPECT_EQ(encoded,
              std::vector<uint8_t>({ 0b10000000 }));
    encoded.clear();
}

TEST(DataEncoding, doubleMin) {
    const auto value = std::numeric_limits<double>::min();
    std::vector<uint8_t> encoded;
    // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
    EXPECT_EQ(MMO::Networking::encodeValue(value, encoded), 10);
    EXPECT_EQ(encoded,
              std::vector<uint8_t>({ 0b01000011, 0b11110000, 0, 0, 0, 0,0,0,0,0b10010000}));
    encoded.clear();
}

TEST(DataEncoding, doubleLowest) {
    const auto value = std::numeric_limits<double>::lowest();
    std::vector<uint8_t> encoded;
    // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
    EXPECT_EQ(MMO::Networking::encodeValue(value, encoded), 10);
    EXPECT_EQ(encoded,
              std::vector<uint8_t>({ 0, 0b10010000, 0b01000001,0, 0 ,0,0,0,0, 0b11100000}));
    encoded.clear();
}

TEST(DataEncoding, doubleMax) {
    const auto value = std::numeric_limits<double>::max();
    std::vector<uint8_t> encoded;
    // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
    EXPECT_EQ(MMO::Networking::encodeValue(value, encoded), 10);
    EXPECT_EQ(encoded,
              std::vector<uint8_t>({ 0, 0b10010000, 0b00111111, 0b01111111, 0b01111111, 0b01111111, 0b01111111,
                  0b01111111, 0b01111111, 0b10011111}));
    encoded.clear();
}


TEST(DataEncoding, doubleNan) {
    const auto value = std::numeric_limits<double>::quiet_NaN();
    std::vector<uint8_t> encoded;
    // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
    EXPECT_EQ(MMO::Networking::encodeValue(value, encoded), 3);
    EXPECT_EQ(encoded,
              std::vector<uint8_t>({ 0b01000000, 0b11100000, 0b10000010}));
    encoded.clear();
}


TEST(DataEncoding, doubleInfPositive) {
    const auto value = std::numeric_limits<double>::infinity();
    std::vector<uint8_t> encoded;
    // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
    EXPECT_EQ(MMO::Networking::encodeValue(value, encoded), 3);
    EXPECT_EQ(encoded,
              std::vector<uint8_t>({ 0b01000000, 0b11100000, 0b10000001}));
    encoded.clear();
}


TEST(DataEncoding, doubleInfNegative) {
    const auto value = -std::numeric_limits<double>::infinity();
    std::vector<uint8_t> encoded;
    // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
    EXPECT_EQ(MMO::Networking::encodeValue(value, encoded), 3);
    EXPECT_EQ(encoded,
              std::vector<uint8_t>({ 0b01000000, 0b11100000, 0b10000000}));
    encoded.clear();
}


// Decodes
TEST(DataDecoding, uint8Min) {
    std::vector<uint8_t> encoded = { 0b10000000 };
    int read = 0;
    auto value = MMO::Networking::decodeValue<uint8_t>(encoded, read);
    EXPECT_TRUE(value.has_value());
    EXPECT_EQ(read, encoded.size());
    EXPECT_EQ(value.value(), std::numeric_limits<uint8_t>::min());
}

TEST(DataDecoding, uint8Max) {
    std::vector<uint8_t> encoded = { 0b01111111, 0b10000001 };
    int read = 0;
    auto value = MMO::Networking::decodeValue<uint8_t>(encoded, read);
    EXPECT_TRUE(value.has_value());
    EXPECT_EQ(read, encoded.size());
    EXPECT_EQ(value.value(), std::numeric_limits<uint8_t>::max());
}

TEST(DataDecoding, int8Min) {
    std::vector<uint8_t> encoded = { 0b01000000, 0b11111110 };
    int read = 0;
    auto value = MMO::Networking::decodeValue<int8_t>(encoded, read);
    EXPECT_TRUE(value.has_value());
    EXPECT_EQ(read, encoded.size());
    EXPECT_EQ(value.value(), std::numeric_limits<int8_t>::min());
}

TEST(DataDecoding, int8Max) {
    std::vector<uint8_t> encoded = { 0b00111111, 0b10000001, };
    int read = 0;
    auto value = MMO::Networking::decodeValue<int8_t>(encoded, read);
    EXPECT_TRUE(value.has_value());
    EXPECT_EQ(read, encoded.size());
    EXPECT_EQ(value.value(), std::numeric_limits<int8_t>::max());
}

TEST(DataDecoding, uint16Min) {
    std::vector<uint8_t> encoded = { 0b10000000 };
    int read = 0;
    auto value = MMO::Networking::decodeValue<uint16_t>(encoded, read);
    EXPECT_TRUE(value.has_value());
    EXPECT_EQ(read, encoded.size());
    EXPECT_EQ(value.value(), std::numeric_limits<uint16_t>::min());
}

TEST(DataDecoding, uint16Max) {
    std::vector<uint8_t> encoded = { 0b01111111, 0b01111111, 0b10000011 };
    int read = 0;
    auto value = MMO::Networking::decodeValue<uint16_t>(encoded, read);
    EXPECT_TRUE(value.has_value());
    EXPECT_EQ(read, encoded.size());
    EXPECT_EQ(value.value(), std::numeric_limits<uint16_t>::max());
}

TEST(DataDecoding, int16Min) {
    std::vector<uint8_t> encoded = { 0b01000000, 0, 0b11111100 };
    int read = 0;
    auto value = MMO::Networking::decodeValue<int16_t>(encoded, read);
    EXPECT_TRUE(value.has_value());
    EXPECT_EQ(read, encoded.size());
    EXPECT_EQ(value.value(), std::numeric_limits<int16_t>::min());
}

TEST(DataDecoding, int16Max) {
    std::vector<uint8_t> encoded = { 0b00111111, 0b01111111, 0b10000011 };
    int read = 0;
    auto value = MMO::Networking::decodeValue<int16_t>(encoded, read);
    EXPECT_TRUE(value.has_value());
    EXPECT_EQ(read, encoded.size());
    EXPECT_EQ(value.value(), std::numeric_limits<int16_t>::max());
}

TEST(DataDecoding, uint32Min) {
    std::vector<uint8_t> encoded = { 0b10000000 };
    int read = 0;
    auto value = MMO::Networking::decodeValue<uint32_t>(encoded, read);
    EXPECT_TRUE(value.has_value());
    EXPECT_EQ(read, encoded.size());
    EXPECT_EQ(value.value(), std::numeric_limits<uint32_t>::min());
}

TEST(DataDecoding, uint32Max) {
    std::vector<uint8_t> encoded = { 0b01111111, 0b01111111, 0b01111111, 0b01111111, 0b10001111 };
    int read = 0;
    auto value = MMO::Networking::decodeValue<uint32_t>(encoded, read);
    EXPECT_TRUE(value.has_value());
    EXPECT_EQ(read, encoded.size());
    EXPECT_EQ(value.value(), std::numeric_limits<uint32_t>::max());
}

TEST(DataDecoding, int32Min) {
    std::vector<uint8_t> encoded = { 0b01000000, 0, 0, 0, 0b11110000 };
    int read = 0;
    auto value = MMO::Networking::decodeValue<int32_t, int>(encoded, read);
    EXPECT_TRUE(value.has_value());
    EXPECT_EQ(read, encoded.size());
    EXPECT_EQ(value.value(), std::numeric_limits<int32_t>::min());
}

TEST(DataDecoding, int32Max) {
    std::vector<uint8_t> encoded = { 0b00111111, 0b01111111, 0b01111111, 0b01111111, 0b10001111 };
    int read = 0;
    auto value = MMO::Networking::decodeValue<int32_t, int>(encoded, read);
    EXPECT_TRUE(value.has_value());
    EXPECT_EQ(read, encoded.size());
    EXPECT_EQ(value.value(), std::numeric_limits<int32_t>::max());
}

TEST(DataDecoding, uint64Min) {
    std::vector<uint8_t> encoded = { 0b10000000 };
    int read = 0;
    auto value = MMO::Networking::decodeValue<uint64_t>(encoded, read);
    EXPECT_TRUE(value.has_value());
    EXPECT_EQ(read, encoded.size());
    EXPECT_EQ(value.value(), std::numeric_limits<uint64_t>::min());
}

TEST(DataDecoding, uint64Max) {
    std::vector<uint8_t> encoded = {
        0b01111111,
        0b01111111,
        0b01111111,
        0b01111111,
        0b01111111,
        0b01111111,
        0b01111111,
        0b01111111,
        0b01111111,
        0b10000001
    };
    int read = 0;
    auto value = MMO::Networking::decodeValue<uint64_t>(encoded, read);
    EXPECT_TRUE(value.has_value());
    EXPECT_EQ(read, encoded.size());
    EXPECT_EQ(value.value(), std::numeric_limits<uint64_t>::max());
}

TEST(DataDecoding, int64Min) {
    std::vector<uint8_t> encoded = {
        0b01000000,
        0b00000000,
        0b00000000,
        0b00000000,
        0b00000000,
        0b00000000,
        0b00000000,
        0b00000000,
        0b00000000,
        0b11111110
    };
    int read = 0;
    auto value = MMO::Networking::decodeValue<int64_t>(encoded, read);
    EXPECT_TRUE(value.has_value());
    EXPECT_EQ(read, encoded.size());
    EXPECT_EQ(value.value(), std::numeric_limits<int64_t>::min());
}

TEST(DataDecoding, int64Max) {
    std::vector<uint8_t> encoded = {
        0b00111111,
        0b01111111,
        0b01111111,
        0b01111111,
        0b01111111,
        0b01111111,
        0b01111111,
        0b01111111,
        0b01111111,
        0b10000001
    };
    int read = 0;
    auto value = MMO::Networking::decodeValue<int64_t>(encoded, read);
    EXPECT_TRUE(value.has_value());
    EXPECT_EQ(read, encoded.size());
    EXPECT_EQ(value.value(), std::numeric_limits<int64_t>::max());
}

TEST(DataDecoding, float0) {
    std::vector<uint8_t> encoded = { 0b11111111 };
    int read = 0;
    auto value = MMO::Networking::decodeValue<float>(encoded, read);
    EXPECT_TRUE(value.has_value());
    EXPECT_EQ(read, encoded.size());
    EXPECT_EQ(value.value(), 0.0f);
}

TEST(DataDecoding, floatMin) {
    std::vector<uint8_t> encoded = {
        0b01000010,
        0b11111110,
        0,
        0,
        0,
        0b10001000
    };
    int read = 0;
    auto value = MMO::Networking::decodeValue<float>(encoded, read);
    EXPECT_TRUE(value.has_value());
    EXPECT_EQ(read, encoded.size());
    EXPECT_EQ(value.value(), std::numeric_limits<float>::min());
}

TEST(DataDecoding, floatLowest) {
    std::vector<uint8_t> encoded = {
        0b00111111,
        0b10000001,
        0b01000001,
        0,
        0,
        0b11110000
    };
    int read = 0;
    auto value = MMO::Networking::decodeValue<float>(encoded, read);
    EXPECT_TRUE(value.has_value());
    EXPECT_EQ(read, encoded.size());
    EXPECT_EQ(value.value(), std::numeric_limits<float>::lowest());
}

TEST(DataDecoding, floatMax) {
    std::vector<uint8_t> encoded = {
        0b00111111,
        0b10000001,
        0b00111111,
        0b01111111,
        0b01111111,
        0b10001111
    };
    int read = 0;
    auto value = MMO::Networking::decodeValue<float>(encoded, read);
    EXPECT_TRUE(value.has_value());
    EXPECT_EQ(read, encoded.size());
    EXPECT_EQ(value.value(), std::numeric_limits<float>::max());
}

TEST(DataDecoding, floatNan) {
    std::vector<uint8_t> encoded = {
        0b01000000,
        0b11111110,
        0b10000010
    };
    int read = 0;
    auto value = MMO::Networking::decodeValue<float>(encoded, read);
    EXPECT_TRUE(value.has_value());
    EXPECT_EQ(read, encoded.size());
    EXPECT_TRUE(std::isnan(value.value()));
}

TEST(DataDecoding, floatInfPositive) {
    std::vector<uint8_t> encoded = {
        0b01000000,
        0b11111110,
        0b10000001
    };
    int read = 0;
    auto value = MMO::Networking::decodeValue<float>(encoded, read);
    EXPECT_TRUE(value.has_value());
    EXPECT_EQ(read, encoded.size());
    EXPECT_EQ(value.value(), std::numeric_limits<float>::infinity());
}

TEST(DataDecoding, floatInfNegative) {
    std::vector<uint8_t> encoded = {
        0b01000000,
        0b11111110,
        0b10000000
    };
    int read = 0;
    auto value = MMO::Networking::decodeValue<float>(encoded, read);
    EXPECT_TRUE(value.has_value());
    EXPECT_EQ(read, encoded.size());
    EXPECT_EQ(value.value(), -std::numeric_limits<float>::infinity());
}

TEST(DataDecoding, double0) {
    std::vector<uint8_t> encoded = { 0b10000000 };
    int read = 0;
    auto value = MMO::Networking::decodeValue<double>(encoded, read);
    EXPECT_TRUE(value.has_value());
    EXPECT_EQ(read, encoded.size());
    EXPECT_EQ(value.value(), 0.0f);
}

TEST(DataDecoding, doubleMin) {
    std::vector<uint8_t> encoded = { 0b01000011, 0b11110000, 0, 0, 0, 0, 0, 0, 0, 0b10010000 };
    int read = 0;
    auto value = MMO::Networking::decodeValue<double>(encoded, read);
    EXPECT_TRUE(value.has_value());
    EXPECT_EQ(read, encoded.size());
    EXPECT_EQ(value.value(), std::numeric_limits<double>::min());
}

TEST(DataDecoding, doubleLowest) {
    std::vector<uint8_t> encoded = { 0, 0b10010000, 0b01000001, 0, 0, 0, 0, 0, 0, 0b11100000 };
    int read = 0;
    auto value = MMO::Networking::decodeValue<double>(encoded, read);
    EXPECT_TRUE(value.has_value());
    EXPECT_EQ(read, encoded.size());
    EXPECT_EQ(value.value(), std::numeric_limits<double>::lowest());
}

TEST(DataDecoding, doubleMax) {
    std::vector<uint8_t> encoded = {
        0,
        0b10010000,
        0b00111111,
        0b01111111,
        0b01111111,
        0b01111111,
        0b01111111,
        0b01111111,
        0b01111111,
        0b10011111
    };
    int read = 0;
    auto value = MMO::Networking::decodeValue<double>(encoded, read);
    EXPECT_TRUE(value.has_value());
    EXPECT_EQ(read, encoded.size());
    EXPECT_EQ(value.value(), std::numeric_limits<double>::max());
}

TEST(DataDecoding, doubleNan) {
    std::vector<uint8_t> encoded = {
        0b01000000,
        0b11100000,
        0b10000010
    };
    int read = 0;
    auto value = MMO::Networking::decodeValue<double>(encoded, read);
    EXPECT_TRUE(value.has_value());
    EXPECT_EQ(read, encoded.size());
    EXPECT_TRUE(std::isnan(value.value()));
}

TEST(DataDecoding, doubleInfPositive) {
    std::vector<uint8_t> encoded = {
        0b01000000,
        0b11100000,
        0b10000001
    };
    int read = 0;
    auto value = MMO::Networking::decodeValue<double>(encoded, read);
    EXPECT_TRUE(value.has_value());
    EXPECT_EQ(read, encoded.size());
    EXPECT_EQ(value.value(), std::numeric_limits<double>::infinity());
}

TEST(DataDecoding, doubleInfNegative) {
    std::vector<uint8_t> encoded = {
        0b01000000,
        0b11100000,
        0b10000000
    };
    int read = 0;
    auto value = MMO::Networking::decodeValue<double>(encoded, read);
    EXPECT_TRUE(value.has_value());
    EXPECT_EQ(read, encoded.size());
    EXPECT_EQ(value.value(), -std::numeric_limits<double>::infinity());
}

template<std::integral T>
T randomValue() {
    std::random_device rd;
    std::mt19937_64 gen(rd());

    std::uniform_int_distribution<std::conditional_t<std::signed_integral<T>, int64_t, uint64_t>> dis(
        std::numeric_limits<T>::min(), std::numeric_limits<T>::max());
    return static_cast<T>(dis(gen));
}

const auto valueAttempts = 100;

TEST(DataEnDecoding, uint8) {
    for (int i = 0; i < valueAttempts; ++i) {
        const auto value = randomValue<uint8_t>();
        std::vector<uint8_t> encoded;
        // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
        MMO::Networking::encodeValue(value, encoded);
        auto decoded = MMO::Networking::decodeValue<uint8_t>(encoded);
        EXPECT_TRUE(decoded.has_value());
        EXPECT_EQ(decoded.value(), value);
    }
}

TEST(DataEnDecoding, int8) {
    for (int i = 0; i < valueAttempts; ++i) {
        const auto value = randomValue<int8_t>();
        std::vector<uint8_t> encoded;
        // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
        MMO::Networking::encodeValue(value, encoded);
        auto decoded = MMO::Networking::decodeValue<int8_t>(encoded);
        EXPECT_TRUE(decoded.has_value());
        EXPECT_EQ(decoded.value(), value);
    }
}

TEST(DataEnDecoding, uint16) {
    for (int i = 0; i < valueAttempts; ++i) {
        const auto value = randomValue<uint16_t>();
        std::vector<uint8_t> encoded;
        // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
        MMO::Networking::encodeValue(value, encoded);
        auto decoded = MMO::Networking::decodeValue<uint16_t>(encoded);
        EXPECT_TRUE(decoded.has_value());
        EXPECT_EQ(decoded.value(), value);
    }
}

TEST(DataEnDecoding, int16) {
    for (int i = 0; i < valueAttempts; ++i) {
        const auto value = randomValue<int16_t>();
        std::vector<uint8_t> encoded;
        // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
        MMO::Networking::encodeValue(value, encoded);
        auto decoded = MMO::Networking::decodeValue<int16_t>(encoded);
        EXPECT_TRUE(decoded.has_value());
        EXPECT_EQ(decoded.value(), value);
    }
}

TEST(DataEnDecoding, uint32) {
    for (int i = 0; i < valueAttempts; ++i) {
        const auto value = randomValue<uint32_t>();
        std::vector<uint8_t> encoded;
        // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
        MMO::Networking::encodeValue(value, encoded);
        auto decoded = MMO::Networking::decodeValue<uint32_t>(encoded);
        EXPECT_TRUE(decoded.has_value());
        EXPECT_EQ(decoded.value(), value);
    }
}

TEST(DataEnDecoding, int32) {
    for (int i = 0; i < valueAttempts; ++i) {
        const auto value = randomValue<int32_t>();
        std::vector<uint8_t> encoded;
        // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
        MMO::Networking::encodeValue(value, encoded);
        auto decoded = MMO::Networking::decodeValue<int32_t>(encoded);
        EXPECT_TRUE(decoded.has_value());
        EXPECT_EQ(decoded.value(), value);
    }
}

TEST(DataEnDecoding, uint64) {
    for (int i = 0; i < valueAttempts; ++i) {
        const auto value = randomValue<uint64_t>();
        std::vector<uint8_t> encoded;
        // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
        MMO::Networking::encodeValue(value, encoded);
        auto decoded = MMO::Networking::decodeValue<uint64_t>(encoded);
        EXPECT_TRUE(decoded.has_value());
        EXPECT_EQ(decoded.value(), value);
    }
}

TEST(DataEnDecoding, int64) {
    for (int i = 0; i < valueAttempts; ++i) {
        const auto value = randomValue<int64_t>();
        std::vector<uint8_t> encoded;
        // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
        MMO::Networking::encodeValue(value, encoded);
        auto decoded = MMO::Networking::decodeValue<int64_t>(encoded);
        EXPECT_TRUE(decoded.has_value());
        EXPECT_EQ(decoded.value(), value);
    }
}

TEST(DataEnDecoding, floats) {
    for (int i = 0; i < valueAttempts; ++i) {
        const auto value = static_cast<float>(randomValue<int64_t>()) / (static_cast<float>(randomValue<uint32_t>()) +
            1);
        std::vector<uint8_t> encoded;
        // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
        MMO::Networking::encodeValue(value, encoded);
        auto decoded = MMO::Networking::decodeValue<float>(encoded);
        EXPECT_TRUE(decoded.has_value());
        EXPECT_EQ(decoded.value(), value);
    }
}


TEST(DataEnDecoding, float0) {
    const auto value = 0.0f;
    std::vector<uint8_t> encoded;
    // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
    MMO::Networking::encodeValue(value, encoded);
    auto decoded = MMO::Networking::decodeValue<float>(encoded);
    EXPECT_TRUE(decoded.has_value());
    EXPECT_EQ(decoded.value(), value);
}


TEST(DataEnDecoding, floatMin) {
    const auto value = std::numeric_limits<float>::min();
    std::vector<uint8_t> encoded;
    // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
    MMO::Networking::encodeValue(value, encoded);
    auto decoded = MMO::Networking::decodeValue<float>(encoded);
    EXPECT_TRUE(decoded.has_value());
    EXPECT_EQ(decoded.value(), value);
}


TEST(DataEnDecoding, floatLowest) {
    const auto value = std::numeric_limits<float>::lowest();
    std::vector<uint8_t> encoded;
    // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
    MMO::Networking::encodeValue(value, encoded);
    auto decoded = MMO::Networking::decodeValue<float>(encoded);
    EXPECT_TRUE(decoded.has_value());
    EXPECT_EQ(decoded.value(), value);
}

TEST(DataEnDecoding, floatMax) {
    const auto value = std::numeric_limits<float>::min();
    std::vector<uint8_t> encoded;
    // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
    MMO::Networking::encodeValue(value, encoded);
    auto decoded = MMO::Networking::decodeValue<float>(encoded);
    EXPECT_TRUE(decoded.has_value());
    EXPECT_EQ(decoded.value(), value);
}


TEST(DataEnDecoding, floatNan) {
    const auto value = std::numeric_limits<float>::quiet_NaN();
    std::vector<uint8_t> encoded;
    // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
    MMO::Networking::encodeValue(value, encoded);
    auto decoded = MMO::Networking::decodeValue<float>(encoded);
    EXPECT_TRUE(decoded.has_value());
    EXPECT_TRUE(std::isnan(decoded.value()));
}


TEST(DataEnDecoding, floatInfPositive) {
    const auto value = std::numeric_limits<float>::infinity();
    std::vector<uint8_t> encoded;
    // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
    MMO::Networking::encodeValue(value, encoded);
    auto decoded = MMO::Networking::decodeValue<float>(encoded);
    EXPECT_TRUE(decoded.has_value());
    EXPECT_EQ(decoded.value(), value);
}


TEST(DataEnDecoding, floatInfNegative) {
    const auto value = -std::numeric_limits<float>::infinity();
    std::vector<uint8_t> encoded;
    // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
    MMO::Networking::encodeValue(value, encoded);
    auto decoded = MMO::Networking::decodeValue<float>(encoded);
    EXPECT_TRUE(decoded.has_value());
    EXPECT_EQ(decoded.value(), value);
}

TEST(DataEnDecoding, doubles) {
    for (int i = 0; i < valueAttempts; ++i) {
        const auto value = static_cast<double>(randomValue<int64_t>()) / (static_cast<double>(randomValue<uint32_t>()) +
            1);
        std::vector<uint8_t> encoded;
        // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
        MMO::Networking::encodeValue(value, encoded);
        auto decoded = MMO::Networking::decodeValue<double>(encoded);
        EXPECT_TRUE(decoded.has_value());
        EXPECT_EQ(decoded.value(), value);
    }
}


TEST(DataEnDecoding, double0) {
    const auto value = 0.0;
    std::vector<uint8_t> encoded;
    // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
    MMO::Networking::encodeValue(value, encoded);
    auto decoded = MMO::Networking::decodeValue<double>(encoded);
    EXPECT_TRUE(decoded.has_value());
    EXPECT_EQ(decoded.value(), value);
}


TEST(DataEnDecoding, doubleMin) {
    const auto value = std::numeric_limits<double>::min();
    std::vector<uint8_t> encoded;
    // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
    MMO::Networking::encodeValue(value, encoded);
    auto decoded = MMO::Networking::decodeValue<double>(encoded);
    EXPECT_TRUE(decoded.has_value());
    EXPECT_EQ(decoded.value(), value);
}


TEST(DataEnDecoding, doubleLowest) {
    const auto value = std::numeric_limits<double>::lowest();
    std::vector<uint8_t> encoded;
    // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
    MMO::Networking::encodeValue(value, encoded);
    auto decoded = MMO::Networking::decodeValue<double>(encoded);
    EXPECT_TRUE(decoded.has_value());
    EXPECT_EQ(decoded.value(), value);
}

TEST(DataEnDecoding, doubleMax) {
    const auto value = std::numeric_limits<double>::min();
    std::vector<uint8_t> encoded;
    // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
    MMO::Networking::encodeValue(value, encoded);
    auto decoded = MMO::Networking::decodeValue<double>(encoded);
    EXPECT_TRUE(decoded.has_value());
    EXPECT_EQ(decoded.value(), value);
}


TEST(DataEnDecoding, doubleNan) {
    const auto value = std::numeric_limits<double>::quiet_NaN();
    std::vector<uint8_t> encoded;
    // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
    MMO::Networking::encodeValue(value, encoded);
    auto decoded = MMO::Networking::decodeValue<double>(encoded);
    EXPECT_TRUE(decoded.has_value());
    EXPECT_TRUE(std::isnan(decoded.value()));
}


TEST(DataEnDecoding, doubleInfPositive) {
    const auto value = std::numeric_limits<double>::infinity();
    std::vector<uint8_t> encoded;
    // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
    MMO::Networking::encodeValue(value, encoded);
    auto decoded = MMO::Networking::decodeValue<double>(encoded);
    EXPECT_TRUE(decoded.has_value());
    EXPECT_EQ(decoded.value(), value);
}


TEST(DataEnDecoding, doubleInfNegative) {
    const auto value = -std::numeric_limits<double>::infinity();
    std::vector<uint8_t> encoded;
    // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
    MMO::Networking::encodeValue(value, encoded);
    auto decoded = MMO::Networking::decodeValue<double>(encoded);
    EXPECT_TRUE(decoded.has_value());
    EXPECT_EQ(decoded.value(), value);
}


TEST(DataEnDecoding, arrayOfValue) {
    const std::vector<int32_t> value{
        randomValue<int32_t>(),
        randomValue<int32_t>(),
        randomValue<int32_t>(),
        randomValue<int32_t>(),
        randomValue<int32_t>(),
        randomValue<int32_t>(),
    };
    std::vector<uint8_t> encoded;
    // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
    MMO::Networking::encodeValue(value, encoded);
    auto decoded = MMO::Networking::decodeValue<std::vector<int32_t>>(encoded);
    EXPECT_TRUE(decoded.has_value());
    EXPECT_EQ(decoded.value(), value);
}

TEST(MultiWriteTest, outOfOrderIsInOrder) {
    const std::vector<int32_t> value{
        randomValue<int32_t>(),
        randomValue<int32_t>(),
        randomValue<int32_t>(),
        randomValue<int32_t>(),
        randomValue<int32_t>(),
        randomValue<int32_t>(),
    };
    std::vector<uint8_t> encodedInOrder;
    std::vector<uint8_t> encodedOutOrder;
    // Length is variable so we can't predict it (easily, there is math for it but I've lost it)
    for (const auto& v : value) {
        MMO::Networking::encodeValue(v, encodedInOrder);
    }
    for (int i = static_cast<int>(value.size()) - 1; i >= 0; --i) {
        MMO::Networking::encodeValue(value[i], encodedOutOrder, 0);
    }
    EXPECT_EQ(encodedInOrder, encodedOutOrder);
}


TEST(Packet, CreateFrom) {
    MMO::Networking::Packet packet;

    packet.write<uint32_t>(0xDEADBEEF);
    packet.write<int32_t>(-1);


    auto packetData = packet.finalizePacket();

    auto packet2Exp = MMO::Networking::Packet::createPacket(packetData);

    EXPECT_TRUE(packet2Exp.has_value());
    auto packet2 = packet2Exp.value();
    {
        auto readValue = packet2.read<uint32_t>();
        EXPECT_TRUE(readValue.has_value());
        EXPECT_EQ(*readValue, 0xDEADBEEF);
    }
    {
        auto readValue = packet2.read<int32_t>();
        EXPECT_TRUE(readValue.has_value());
        EXPECT_EQ(*readValue, -1);
    }
}