#include <atomic>
#include <cstdint>
#include <stdexcept>
#include <cstddef>
#include "SceTypes.hpp"
#include "prx/libc/include/General.hpp"

namespace {
std::atomic<int> g_status{0};

constexpr int COMMON_DIALOG_STATUS_NONE = 0;
constexpr int COMMON_DIALOG_STATUS_RUNNING = 2;
constexpr int COMMON_DIALOG_STATUS_FINISHED = 3;
constexpr int COMMON_DIALOG_RESULT_USER_CANCELED = 1;
constexpr int COMMON_DIALOG_ERROR_NOT_INITIALIZED = static_cast<int>(0x80B80003u);
constexpr int COMMON_DIALOG_ERROR_NOT_FINISHED = static_cast<int>(0x80B80005u);
constexpr int COMMON_DIALOG_ERROR_BUSY = static_cast<int>(0x80B80007u);
constexpr int COMMON_DIALOG_ERROR_ARG_NULL = static_cast<int>(0x80B8000Du);
}

extern "C" {

int APS5_VABI sceWebBrowserDialogInitialize(void) {
    int expected = 0;
    if (!g_status.compare_exchange_strong(expected, 1)) throw std::logic_error("sceWebBrowserDialogInitialize: already initialized");
    return 0;
}

int APS5_VABI sceWebBrowserDialogTerminate(void) {
    int expected = 1;
    if (!g_status.compare_exchange_strong(expected, 0)) throw std::logic_error("sceWebBrowserDialogTerminate: not initialized or still running");
    return 0;
}

int APS5_VABI sceWebBrowserDialogClose(void) {
 if (g_status.load() == COMMON_DIALOG_STATUS_NONE) return COMMON_DIALOG_ERROR_NOT_INITIALIZED;
 return 0;
}

int APS5_VABI sceWebBrowserDialogGetResult(void* result) {
 const int status = g_status.load();
 if (status == COMMON_DIALOG_STATUS_NONE) return COMMON_DIALOG_ERROR_NOT_INITIALIZED;
 if (result == nullptr) return COMMON_DIALOG_ERROR_ARG_NULL;
 if (status != COMMON_DIALOG_STATUS_FINISHED) return COMMON_DIALOG_ERROR_NOT_FINISHED;
 *static_cast<std::int32_t*>(result) = COMMON_DIALOG_RESULT_USER_CANCELED;
 return 0;
}

int APS5_VABI sceWebBrowserDialogGetStatus(void) {
    return g_status.load();
}

int APS5_VABI sceWebBrowserDialogOpen(const void* param) {
 const int status = g_status.load();
 if (status == COMMON_DIALOG_STATUS_NONE) return COMMON_DIALOG_ERROR_NOT_INITIALIZED;
 if (status == COMMON_DIALOG_STATUS_RUNNING) return COMMON_DIALOG_ERROR_BUSY;
 if (param == nullptr) return COMMON_DIALOG_ERROR_ARG_NULL;
 g_status = COMMON_DIALOG_STATUS_FINISHED;
 return 0;
}

int APS5_VABI sceWebBrowserDialogUpdateStatus(void) {
    return g_status.load();
}


int APS5_VABI sceWebBrowserDialogSetCookie(void) {
    NotImplemented_nid_no_patch(__func__);
    return 0;
}

int APS5_VABI sceWebBrowserDialogOpenForPredeterminedContent() {
    NotImplemented_nid_no_patch(__func__);
    return 0;
}

int APS5_VABI sceWebBrowserDialogResetCookie() {
    NotImplemented_nid_no_patch(__func__);
    return 0;
}

}