#include "prx/libSceBluetoothHid/include/Api.hpp"
#include "prx/libc/include/general/VabiMacros.hpp"

#include <cstdint>
#include <cstddef>
#include <cstdio>
#include <cstdlib>
#include <stdexcept>

namespace {

int callbackCalls = 0;

void APS5_VABI Callback(const BluetoothHidEvent*, std::int32_t, void*) {
    ++callbackCalls;
}

void Require(bool condition, const char* message) {
    if (!condition) {
        std::fprintf(stderr, "BluetoothHid: %s\n", message);
        std::abort();
    }
}

}

int main() {
    constexpr auto notInitialized = static_cast<std::int32_t>(0x81540004u);
    constexpr auto invalidArgument = static_cast<std::int32_t>(0x81540001u);
    constexpr auto noCallback = static_cast<std::int32_t>(0x81540006u);
    Require(sceBluetoothHidRegisterCallback(nullptr, nullptr, nullptr) == notInitialized, "initialization check order");
    Require(sceBluetoothHidRegisterDevice(1, 2) == notInitialized, "registration before initialization");
    Require(sceBluetoothHidUnregisterDevice(1, 2) == notInitialized, "unregistration before initialization");
    Require(sceBluetoothHidUnregisterCallback() == notInitialized, "callback removal before initialization");
    Require(sceBluetoothHidInit() == 0, "initialization failed");
    Require(sceBluetoothHidInit() == 0, "repeated initialization failed");
    Require(sceBluetoothHidRegisterDevice(1, 2) == noCallback, "registration without callback");
    Require(sceBluetoothHidUnregisterCallback() == noCallback, "removing absent callback");
    BluetoothHidParam param{};
    Require(sceBluetoothHidRegisterCallback(&Callback, &callbackCalls, &param) == 0, "callback registration failed");
    Require(sceBluetoothHidRegisterDevice(0x44f, 0x1000) == 0, "device registration failed");
    Require(callbackCalls == 0, "a device connection was reported");
    Require(sceBluetoothHidRegisterCallback(nullptr, nullptr, &param) == invalidArgument, "null callback validation");
    param.reserved = 1;
    Require(sceBluetoothHidRegisterCallback(&Callback, nullptr, &param) == invalidArgument, "reserved field validation");
    param.reserved = 0;
    BluetoothHidThreadParam threadParam{};
    threadParam.reserved = 1;
    param.threadParam = &threadParam;
    Require(sceBluetoothHidRegisterCallback(&Callback, nullptr, &param) == invalidArgument, "thread reserved field validation");
    Require(sceBluetoothHidRegisterCallback(&Callback, nullptr, nullptr) == 0, "optional parameters rejected");
    bool threw = false;
    threw = false;
    try {
        sceBluetoothHidGetInputReport(0, 0);

    } catch (const std::runtime_error&) {
        threw = true;
    }
    Require(threw, "an input report without a device did not throw");
    Require(sceBluetoothHidDebugGetVersion() == 0x1e, "debug get version did not return the firmware version");
    threw = false;
    try {
        sceBluetoothHidGetDeviceInfo(0, nullptr);

    } catch (const std::runtime_error&) {
        threw = true;
    }
    Require(threw, "get device info did not throw");
    threw = false;
    try {
        sceBluetoothHidDisconnectDevice(0);

    } catch (const std::runtime_error&) {
        threw = true;
    }
    Require(threw, "disconnect device did not throw");
    threw = false;
    try {
        sceBluetoothHidGetFeatureReport(0, 0);

    } catch (const std::runtime_error&) {
        threw = true;
    }
    Require(threw, "get feature report did not throw");
    threw = false;
    try {
        sceBluetoothHidSetFeatureReport(0, 0, nullptr, 0);

    } catch (const std::runtime_error&) {
        threw = true;
    }
    Require(threw, "set feature report did not throw");
    Require(sceBluetoothHidUnregisterDevice(0x44f, 0x1000) == 0, "device unregistration failed");
    Require(sceBluetoothHidUnregisterCallback() == 0, "callback unregistration failed");
    std::puts("BluetoothHid tests passed");
    return 0;
}