use serde::{de, Deserialize, Deserializer, Serialize, Serializer};

#[derive(Clone)]
pub enum Game {
    Ongeki,
    Chunithm,
}

impl Serialize for Game {
    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
    where
        S: Serializer,
    {
        match self {
            Game::Ongeki => serializer.serialize_str("ongeki"),
            Game::Chunithm => serializer.serialize_str("chunithm"),
        }
    }
}

impl<'de> Deserialize<'de> for Game {
    fn deserialize<D>(deserializer: D) -> Result<Game, D::Error>
    where
        D: Deserializer<'de>,
    {
        let s = String::deserialize(deserializer)?;
        match s.as_str() {
            "chunithm" => Ok(Game::Chunithm),
            "ongeki" => Ok(Game::Ongeki),
            _ => Err(de::Error::custom("unknown game")),
        }
    }
}