/*
 * MIT License
 *
 * Copyright (c) 2025 Vanessa T. <nessa@neko-tools.de>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#include <stdexcept>
#include <vector>
#include "Window.h"
#include "Utility.h"

Window::Window(HWND hWnd) : m_hWnd(hWnd) {

}

static BOOL CALLBACK enumWindowsCallback(HWND hWnd, LPARAM lParam) {
    auto windows = reinterpret_cast<std::list<Window>*>(lParam);

    windows->emplace_back(hWnd);

    return TRUE;
}

std::list<Window> Window::enumWindows() {
    std::list<Window> windows{};

    EnumWindows(enumWindowsCallback, reinterpret_cast<LPARAM>(&windows));

    return windows;
}

std::wstring Window::title() const {
    if (!m_hWnd) throw std::runtime_error("Invalid window handle");

    auto length = GetWindowTextLengthW(m_hWnd);
    if (length == 0) {
        checkAndThrowLastWindowsError("Unable to get window title length");
        return {};
    }

    std::vector<wchar_t> buffer(length + 1);
    if (GetWindowTextW(m_hWnd, buffer.data(), length + 1) <= 0) {
        checkAndThrowLastWindowsError("Unable to get window title");
    }

    return {buffer.data()};
}

DWORD Window::processId() const {
    if (!m_hWnd) throw std::runtime_error("Invalid window handle");

    DWORD processId;
    if (GetWindowThreadProcessId(m_hWnd, &processId)) {
        checkAndThrowLastWindowsError("Unable to get window process id");
    }

    return processId;
}

bool Window::isMainWindow() const {
    if (!m_hWnd) throw std::runtime_error("Invalid window handle");

    return GetWindow(m_hWnd, GW_OWNER) == nullptr;
}

void Window::bringToForeground() const {
    SetForegroundWindow(m_hWnd);
}

HWND Window::handle() const {
    return m_hWnd;
}