WindowID CommandRunnerWindowID;

void CMD_ShowCommandRunner() {
    BSet command_bar = GetBSet(CommandRunnerWindowID);
    command_bar.window->visible = true;
    NextActiveWindowID = command_bar.window->id;
    command_bar.view->update_scroll = true;
    SelectRange(command_bar.view, GetRange(command_bar.buffer));
} RegisterCommand(CMD_ShowCommandRunner, "alt-p", "Little helper window that allows you to quickly run commands");

void LayoutCommandRunnerWindow(Rect2I *rect, int16_t wx, int16_t wy) {
    Unused(wy); Unused(wx);
    Window *window = GetWindow(CommandRunnerWindowID);
    Rect2I copy_rect = *rect;
    if (!window->visible) {
        rect = &copy_rect;
    }

    Int barsize = GetExpandingBarSize(window);
    window->document_rect = window->total_rect = CutBottom(rect, barsize);
    // Int barsize = Clamp((Int)window->font->line_spacing*4, (Int)0, (Int)wx - 100);
    // window->document_rect = window->total_rect = CutBottom(rect, barsize);
}

void CMD_OpenForRunnerWindow() {
    Scratch scratch;
    BSet active = GetBSet(ActiveWindowID);
    BSet main = GetBSet(PrimaryWindowID);
    NextActiveWindowID = main.window->id;

    if (active.view->carets.len == 1 && GetSize(active.view->carets[0].range) == 0) {
        String16 string = GetString(active.buffer);
        string = Concat(scratch, u"!", string);

        Open(string);
    } else {
        For (active.view->carets) {
            Range range = it.range;
            if (GetSize(range) == 0) {
                range = EncloseLoadWord(active.buffer, GetFront(it));
            }
            String16 load_word = GetString(active.buffer, range);
            load_word = Concat(scratch, u"!", load_word);
            Open(load_word);
        }
    }
}

void InitCommandRunnerWindow() {
    Window *window = CreateWind();
    CommandRunnerWindowID = window->id;
    Buffer *buffer = CreateBuffer(SysAllocator, GetUniqueBufferName(ProjectFolder, "command_runner_window"));
    buffer->special = true;
    View *view = CreateView(buffer->id);
    view->special = true;
    window->active_view = view->id;
    window->draw_line_numbers = false;
    window->draw_scrollbar = false;
    window->secondary_window_style = true;
    window->draw_line_highlight = true;
    window->primary = false;
    window->visible = false;
    window->sync_visibility_with_focus = true;
    window->lose_focus_on_escape = true;
    window->jump_history = false;
    AddCommand(&view->commands, "Open", OpenKeySet, CMD_OpenForRunnerWindow);
}