#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(rename_all = "snake_case")]
#[serde(tag = "type", content = "content")]
pub enum ServerMessage {
    /// Game state in current turn
    GameState(State),
    /// The action that was performed
    PlayerAction(PlayerAction),
    /// The game is over, and this is the concluding state.
    FinalState(State),
}

#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(rename_all = "snake_case")]
#[serde(tag = "type", content = "value")]
pub enum PlayerAction {
    Timeout,
    ParseError(String),
    Commands(Vec<PlayerCommand>),
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct PlayerCommand {
    pub command: Command,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub error: Option<CommandError>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub enum CommandError {
    NotEnoughShips,
    OriginNotOwned,
    ZeroShipMove,
    OriginDoesNotExist,
    DestinationDoesNotExist,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Command {
    pub origin: String,
    pub destination: String,
    pub ship_count: u64,
}


#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct State {
    pub planets: Vec<Planet>,
    pub expeditions: Vec<Expedition>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Expedition {
    pub id: u64,
    pub ship_count: u64,
    pub origin: String,
    pub destination: String,
    pub owner: usize,
    pub turns_remaining: u64,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Planet {
    pub ship_count: u64,
    pub x: f64,
    pub y: f64,
    pub owner: Option<usize>,
    pub name: String,
}