/*
 * Copyright (c) Souldbminer, Lightos_ and Horizon OC Contributors
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 * 
 */
 
/* --------------------------------------------------------------------------
 * "THE BEER-WARE LICENSE" (Revision 42):
 * <p-sam@d3vs.net>, <natinusala@gmail.com>, <m4x@m4xw.net>
 * wrote this file. As long as you retain this notice you can do whatever you
 * want with this stuff. If you meet any of us some day, and you think this
 * stuff is worth it, you can buy us a beer in return.  - The sys-clk authors
 * --------------------------------------------------------------------------
 */


#include "process_management.h"
#include "file_utils.h"
#include "errors.h"
#define IS_QLAUNCH 0x20f

void ProcessManagement::Initialize()
{
    Result rc = 0;

    rc = pmdmntInitialize();
    ASSERT_RESULT_OK(rc, "pmdmntInitialize");

    rc = pminfoInitialize();
    ASSERT_RESULT_OK(rc, "pminfoInitialize");
}

void ProcessManagement::WaitForQLaunch()
{
    Result rc = 0;
    std::uint64_t pid = 0;
    do
    {
        rc = pmdmntGetProcessId(&pid, PROCESS_MANAGEMENT_QLAUNCH_TID);
        svcSleepThread(50 * 1000000ULL); // 50ms
    } while (R_FAILED(rc));
}

std::uint64_t ProcessManagement::GetCurrentApplicationId()
{
    Result rc = 0;
    std::uint64_t pid = 0;
    std::uint64_t tid = 0;
    rc = pmdmntGetApplicationProcessId(&pid);

    if (rc == IS_QLAUNCH)
    {
        return PROCESS_MANAGEMENT_QLAUNCH_TID;
    }

    ASSERT_RESULT_OK(rc, "pmdmntGetApplicationProcessId");

    rc = pminfoGetProgramId(&tid, pid);

    if (rc == IS_QLAUNCH)
    {
        return PROCESS_MANAGEMENT_QLAUNCH_TID;
    }

    ASSERT_RESULT_OK(rc, "pminfoGetProgramId");

    return tid;
}

void ProcessManagement::Exit()
{
    pmdmntExit();
    pminfoExit();
}