use serde::{Deserialize, Serialize};

#[derive(Clone, Serialize, Deserialize)]
#[serde(tag = "op", content = "data")]
pub enum WatchEventData {
    SetPlaying { playing: bool, time: u64 },
    SetTime(u64),

    UserJoin,
    UserLeave,
    ChatMessage(String),
}

#[derive(Clone, Serialize, Deserialize)]
pub struct WatchEvent {
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub user: Option<String>,
    #[serde(flatten)]
    pub data: WatchEventData,
    #[serde(default)]
    pub reflected: bool,
}

impl WatchEvent {
    pub fn new(user: String, data: WatchEventData) -> Self {
        WatchEvent {
            user: Some(user),
            data,
            reflected: false,
        }
    }
}