/*
 * This file is part of espanso.
 *
 * Copyright (C) 2019-2021 Federico Terzi
 *
 * espanso is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * espanso is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with espanso.  If not, see <https://www.gnu.org/licenses/>.
 */

use crate::{
    dispatch::Executor,
    event::{input::Key, Event, EventType},
};
use anyhow::Result;
use log::error;

pub trait KeyInjector {
    fn inject_sequence(&self, keys: &[Key]) -> Result<()>;
}

pub struct KeyInjectExecutor<'a> {
    injector: &'a dyn KeyInjector,
}

impl<'a> KeyInjectExecutor<'a> {
    pub fn new(injector: &'a dyn KeyInjector) -> Self {
        Self { injector }
    }
}

impl Executor for KeyInjectExecutor<'_> {
    fn execute(&self, event: &Event) -> bool {
        if let EventType::KeySequenceInject(inject_event) = &event.etype {
            if let Err(error) = self.injector.inject_sequence(&inject_event.keys) {
                error!("key injector reported an error: {error}");
            }
            return true;
        }

        false
    }
}
