use tui_realm_stdlib::Input;
use tuirealm::{command::{Cmd, CmdResult, Direction, Position}, event::{Key, KeyEvent, KeyModifiers}, props::{Alignment, BorderType, Borders, Color, InputType, Style}, Component, Event, MockComponent, NoUserEvent};

use crate::Msg;

#[derive(MockComponent)]
pub struct TextInput {
    component: Input
}

impl Default for TextInput {
    fn default() -> Self {
        Self {
            component: Input::default()
                .borders(
                    Borders::default()
                        .modifiers(BorderType::Rounded)
                        .color(Color::LightYellow),
                )
                .foreground(Color::LightYellow)
                .input_type(InputType::Text)
                .title("Roll", Alignment::Left)
                .value("veeso")
                .invalid_style(Style::default().fg(Color::Red)),
        }
    }
}


impl Component<Msg, NoUserEvent> for TextInput {
    fn on(&mut self, ev: Event<NoUserEvent>) -> Option<Msg> {
        let _ = match ev {
            Event::Keyboard(KeyEvent {
                code: Key::Left, ..
            }) => self.perform(Cmd::Move(Direction::Left)),
            Event::Keyboard(KeyEvent {
                code: Key::Right, ..
            }) => self.perform(Cmd::Move(Direction::Right)),
            Event::Keyboard(KeyEvent {
                code: Key::Home, ..
            }) => self.perform(Cmd::GoTo(Position::Begin)),
            Event::Keyboard(KeyEvent { code: Key::End, .. }) => {
                self.perform(Cmd::GoTo(Position::End))
            }
            Event::Keyboard(KeyEvent {
                code: Key::Delete, ..
            }) => self.perform(Cmd::Cancel),
            Event::Keyboard(KeyEvent {
                code: Key::Backspace,
                ..
            }) => self.perform(Cmd::Delete),
            Event::Keyboard(KeyEvent {
                code: Key::Char(ch),
                modifiers: KeyModifiers::NONE,
            }) => self.perform(Cmd::Type(ch)),
            Event::Keyboard(KeyEvent { code: Key::Esc, .. }) => return Some(Msg::AppClose),
            _ => CmdResult::None,
        };
        Some(Msg::InputUpdated)
    }
}