use std::fmt::Display;

pub struct Command(String);

pub enum Selector {
    NearestPlayer, // @p
    RandomPlayer, // @r
    AllPlayers, // @a
    AllEntities, // @e
    Executor, // @s
    NearestEntity // @n
}

impl Display for Selector {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        match self {
            Self::NearestPlayer => write!(f, "@p"),
            Self::RandomPlayer => write!(f, "@r"),
            Self::AllPlayers => write!(f, "@a"),
            Self::AllEntities => write!(f, "@e"),
            Self::Executor => write!(f, "@s"),
            Self::NearestEntity => write!(f, "@n")
        }
    }
}

mod say;
mod list;
mod kill;

impl Command {
    pub fn raw(cmd: &str) -> Self {
        Self(cmd.to_string())
    }

    pub fn as_str(&self) -> &str {
        &self.0
    }

    pub fn say() -> say::SayCommand {
        say::SayCommand::default()
    }

    pub fn list() -> list::ListCommand {
        list::ListCommand::default()
    }
}