use crate::help_functions::*;
use gtk::prelude::*;

const KEY_ENTER: u16 = 36;
const KEY_SPACE: u16 = 65;

// TODO add option to open files and folders from context menu activated by pressing ONCE with right mouse button

pub fn opening_double_click_function(tree_view: &gtk::TreeView, event: &gdk::EventButton) -> gtk::Inhibit {
    let nt_object = get_notebook_object_from_tree_view(tree_view);
    if event.event_type() == gdk::EventType::DoubleButtonPress && event.button() == 1 {
        common_open_function(tree_view, nt_object.column_name, nt_object.column_path, OpenMode::PathAndName);
    } else if event.event_type() == gdk::EventType::DoubleButtonPress && event.button() == 3 {
        common_open_function(tree_view, nt_object.column_name, nt_object.column_path, OpenMode::OnlyPath);
    }
    gtk::Inhibit(false)
}
pub fn opening_enter_function(tree_view: &gtk::TreeView, event: &gdk::EventKey) -> gtk::Inhibit {
    let nt_object = get_notebook_object_from_tree_view(tree_view);
    handle_tree_keypress(tree_view, event, nt_object.column_name, nt_object.column_path, nt_object.column_selection)
}

enum OpenMode {
    OnlyPath,
    PathAndName,
}

fn common_mark_function(tree_view: &gtk::TreeView, column_name: i32) {
    let selection = tree_view.selection();
    let (selected_rows, tree_model) = selection.selected_rows();

    let model = get_list_store(tree_view);

    for tree_path in selected_rows.iter().rev() {
        let value = !tree_model.value(&tree_model.iter(tree_path).unwrap(), column_name).get::<bool>().unwrap();
        model.set_value(&tree_model.iter(tree_path).unwrap(), column_name as u32, &value.to_value());
    }
}

fn common_open_function(tree_view: &gtk::TreeView, column_name: i32, column_path: i32, opening_mode: OpenMode) {
    let selection = tree_view.selection();
    let (selected_rows, tree_model) = selection.selected_rows();

    for tree_path in selected_rows.iter().rev() {
        let end_path;
        let name = tree_model.value(&tree_model.iter(tree_path).unwrap(), column_name).get::<String>().unwrap();
        let path = tree_model.value(&tree_model.iter(tree_path).unwrap(), column_path).get::<String>().unwrap();

        match opening_mode {
            OpenMode::OnlyPath => {
                end_path = path;
            }
            OpenMode::PathAndName => {
                end_path = format!("{}/{}", path, name);
            }
        }

        open::that_in_background(&end_path);

        // if let Err(e) = open::that(&end_path) {
        //     println!("Failed to open {} - Error {}", end_path, e);
        // }
    }
}

fn handle_tree_keypress(tree_view: &gtk::TreeView, event: &gdk::EventKey, name_column: i32, path_column: i32, mark_column: i32) -> gtk::Inhibit {
    match event.keycode() {
        Some(KEY_ENTER) => {
            // Enter
            common_open_function(tree_view, name_column, path_column, OpenMode::PathAndName);
        }
        Some(KEY_SPACE) => {
            // Space
            common_mark_function(tree_view, mark_column);
        }
        _ => {}
    }
    gtk::Inhibit(false)
}

pub fn select_function_duplicates(_tree_selection: &gtk::TreeSelection, tree_model: &gtk::TreeModel, tree_path: &gtk::TreePath, _is_path_currently_selected: bool) -> bool {
    // let name = tree_model.value(&tree_model.iter(tree_path).unwrap(),ColumnsDuplicates::Name as i32).get::<String>().unwrap();
    // let path = tree_model.value(&tree_model.iter(tree_path).unwrap(), ColumnsDuplicates::Path as i32).get::<String>().unwrap();
    // let modification = tree_model.value(&tree_model.iter(tree_path).unwrap(),ColumnsDuplicates::Modification as i32).get::<String>().unwrap();
    let color = tree_model.value(&tree_model.iter(tree_path).unwrap(), ColumnsDuplicates::Color as i32).get::<String>().unwrap();

    if color == HEADER_ROW_COLOR {
        return false;
    }

    true
}
pub fn select_function_same_music(_tree_selection: &gtk::TreeSelection, tree_model: &gtk::TreeModel, tree_path: &gtk::TreePath, _is_path_currently_selected: bool) -> bool {
    let color = tree_model.value(&tree_model.iter(tree_path).unwrap(), ColumnsSameMusic::Color as i32).get::<String>().unwrap();

    if color == HEADER_ROW_COLOR {
        return false;
    }

    true
}
pub fn select_function_similar_images(_tree_selection: &gtk::TreeSelection, tree_model: &gtk::TreeModel, tree_path: &gtk::TreePath, _is_path_currently_selected: bool) -> bool {
    let color = tree_model.value(&tree_model.iter(tree_path).unwrap(), ColumnsSimilarImages::Color as i32).get::<String>().unwrap();

    if color == HEADER_ROW_COLOR {
        return false;
    }

    true
}
pub fn select_function_similar_videos(_tree_selection: &gtk::TreeSelection, tree_model: &gtk::TreeModel, tree_path: &gtk::TreePath, _is_path_currently_selected: bool) -> bool {
    let color = tree_model.value(&tree_model.iter(tree_path).unwrap(), ColumnsSimilarVideos::Color as i32).get::<String>().unwrap();

    if color == HEADER_ROW_COLOR {
        return false;
    }

    true
}