use ibus::{AfterCallback, Bus, Capabilites, Modifiers};

fn main() {
    // This program sends three fake keypresses to the IME server: M, U, Return
    // When executing this with the Mozc Katakana layout active, it should print the following:
    //
    // preedit: UpdatePreeditTextSignal { text: "", cursor_pos: 0, visible: false }
    // preedit: UpdatePreeditTextSignal { text: "ｍ", cursor_pos: 1, visible: true }
    // preedit: UpdatePreeditTextSignal { text: "ム", cursor_pos: 1, visible: true }
    // commit: CommitTextSignal { text: "ム" }

    let bus = Bus::new().unwrap();
    let ctx = bus.create_input_context("input ctx lel").unwrap();
    ctx.set_capabilities(Capabilites::PREEDIT_TEXT | Capabilites::FOCUS);

    ctx.on_update_preedit_text(|s, _, _| {
        println!("preedit: {:?}", s);
        AfterCallback::Keep
    })
    .unwrap();
    ctx.on_commit_text(|s, _, _| {
        println!("commit: {:?}", s);
        AfterCallback::Keep
    })
    .unwrap();

    ctx.focus_in().unwrap();

    // The `M` key
    ctx.process_key_event(109, 50, Modifiers::empty()).unwrap();
    std::thread::sleep(std::time::Duration::from_secs(2));
    ctx.set_cursor_location(40, 20, 0, 0).unwrap();
    // The `U` key
    ctx.process_key_event(117, 22, Modifiers::empty()).unwrap();
    std::thread::sleep(std::time::Duration::from_secs(2));
    // The `Return` key
    ctx.process_key_event(65293, 28, Modifiers::empty())
        .unwrap();

    ctx.focus_out().unwrap();

    loop {
        match bus.process(std::time::Duration::from_secs(0)) {
            Ok(true) => {}
            _ => break,
        }
    }
}