use std::collections::VecDeque;

/*
    Hurry Curry! - a game about cooking
    Copyright 2024 metamuffin

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published by
    the Free Software Foundation, version 3 of the License only.

    This program 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 Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.

*/
use super::EntityT;
use crate::game::{interact_effect, Game};
use anyhow::{anyhow, Result};
use hurrycurry_protocol::{glam::IVec2, ItemLocation, PacketC};

#[derive(Debug, Default, Clone)]
pub struct Portal {
    pub(super) from: IVec2,
    pub(super) to: IVec2,
}

impl EntityT for Portal {
    fn tick(
        &mut self,
        game: &mut Game,
        packet_out: &mut VecDeque<PacketC>,
        _dt: f32,
    ) -> Result<()> {
        let [from, to] = game
            .tiles
            .get_many_mut([&self.from, &self.to])
            .ok_or(anyhow!("conveyor does ends in itself"))?;

        if from.item.is_some() {
            interact_effect(
                &game.data,
                true,
                &mut to.item,
                ItemLocation::Tile(self.to),
                &mut from.item,
                ItemLocation::Tile(self.from),
                Some(to.kind),
                packet_out,
                &mut game.score,
                true,
            );
        }

        Ok(())
    }
}