use crate::gui_data::GuiData;
use crate::help_functions::{get_list_store, ColumnsDirectory};
use gtk::prelude::*;
use gtk::{TreeView, Window};

#[cfg(target_family = "windows")]
use czkawka_core::common::Common;

pub fn connect_selection_of_directories(gui_data: &GuiData) {
    // Add manually directory
    {
        let tree_view_included_directories = gui_data.upper_notebook.tree_view_included_directories.clone();
        let window_main = gui_data.window_main.clone();
        let buttons_manual_add_directory = gui_data.upper_notebook.buttons_manual_add_directory.clone();
        buttons_manual_add_directory.connect_clicked(move |_| {
            add_manually_directories(&window_main, &tree_view_included_directories);
        });
    }
    // Add manually excluded directory
    {
        let tree_view_excluded_directories = gui_data.upper_notebook.tree_view_excluded_directories.clone();
        let window_main = gui_data.window_main.clone();
        let buttons_manual_add_excluded_directory = gui_data.upper_notebook.buttons_manual_add_excluded_directory.clone();
        buttons_manual_add_excluded_directory.connect_clicked(move |_| {
            add_manually_directories(&window_main, &tree_view_excluded_directories);
        });
    }
    // Add included directory
    {
        let tree_view_included_directories = gui_data.upper_notebook.tree_view_included_directories.clone();
        let window_main = gui_data.window_main.clone();
        let buttons_add_included_directory = gui_data.upper_notebook.buttons_add_included_directory.clone();
        buttons_add_included_directory.connect_clicked(move |_| {
            add_chosen_directories(&window_main, &tree_view_included_directories, false);
        });
    }
    // Add excluded directory
    {
        let tree_view_excluded_directories = gui_data.upper_notebook.tree_view_excluded_directories.clone();
        let window_main = gui_data.window_main.clone();
        let buttons_add_excluded_directory = gui_data.upper_notebook.buttons_add_excluded_directory.clone();
        buttons_add_excluded_directory.connect_clicked(move |_| {
            add_chosen_directories(&window_main, &tree_view_excluded_directories, true);
        });
    }
    // Remove Excluded Folder
    {
        let buttons_remove_excluded_directory = gui_data.upper_notebook.buttons_remove_excluded_directory.clone();
        let tree_view_excluded_directories = gui_data.upper_notebook.tree_view_excluded_directories.clone();
        buttons_remove_excluded_directory.connect_clicked(move |_| {
            let list_store = get_list_store(&tree_view_excluded_directories);
            let selection = tree_view_excluded_directories.selection();

            let (vec_tree_path, _tree_model) = selection.selected_rows();

            for tree_path in vec_tree_path.iter().rev() {
                list_store.remove(&list_store.iter(tree_path).unwrap());
            }
        });
    }
    // Remove Included Folder
    {
        let buttons_remove_included_directory = gui_data.upper_notebook.buttons_remove_included_directory.clone();
        let tree_view_included_directories = gui_data.upper_notebook.tree_view_included_directories.clone();
        buttons_remove_included_directory.connect_clicked(move |_| {
            let list_store = get_list_store(&tree_view_included_directories);
            let selection = tree_view_included_directories.selection();

            let (vec_tree_path, _tree_model) = selection.selected_rows();

            for tree_path in vec_tree_path.iter().rev() {
                list_store.remove(&list_store.iter(tree_path).unwrap());
            }
        });
    }
}

fn add_chosen_directories(window_main: &Window, tree_view: &TreeView, excluded_items: bool) {
    let folders_to = if excluded_items { "Folders to exclude" } else { "Folders to include" };
    let chooser = gtk::FileChooserDialog::with_buttons(Some(folders_to), Some(window_main), gtk::FileChooserAction::SelectFolder, &[("Ok", gtk::ResponseType::Ok), ("Close", gtk::ResponseType::Cancel)]);
    chooser.set_select_multiple(true);
    chooser.show_all();
    let response_type = chooser.run();
    if response_type == gtk::ResponseType::Ok {
        let folder = chooser.filenames();

        let list_store = get_list_store(tree_view);

        for file_entry in &folder {
            let values: [(u32, &dyn ToValue); 1] = [(ColumnsDirectory::Path as u32, &file_entry.to_string_lossy().to_string())];
            list_store.set(&list_store.append(), &values);
        }
    }
    chooser.close();
}

fn add_manually_directories(window_main: &Window, tree_view: &TreeView) {
    let dialog_manual_add_directory = gtk::Dialog::with_buttons(Some("Add directory manually"), Some(window_main), gtk::DialogFlags::MODAL, &[("Ok", gtk::ResponseType::Ok), ("Close", gtk::ResponseType::Cancel)]);
    let entry: gtk::Entry = gtk::Entry::new();

    for widgets in dialog_manual_add_directory.children() {
        // By default GtkBox is child of dialog, so we can easily add other things to it
        widgets.clone().downcast::<gtk::Box>().unwrap().add(&entry);
    }

    dialog_manual_add_directory.show_all();

    let response_type = dialog_manual_add_directory.run();
    if response_type == gtk::ResponseType::Ok {
        let text = entry.text().to_string().trim().to_string();

        #[cfg(target_family = "windows")]
        let text = Common::normalize_windows_path(text).to_string_lossy().to_string();

        if !text.is_empty() {
            let list_store = get_list_store(tree_view);

            let values: [(u32, &dyn ToValue); 1] = [(ColumnsDirectory::Path as u32, &text)];
            list_store.set(&list_store.append(), &values);
        }
    } else {
        dialog_manual_add_directory.close();
        return;
    }
    dialog_manual_add_directory.close();
}