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use std::time::{SystemTime, UNIX_EPOCH};
use azalea_protocol::packets::{
Packet,
game::{ServerboundChat, ServerboundChatCommand, s_chat::LastSeenMessagesUpdate},
};
use bevy_ecs::prelude::*;
use super::ChatKind;
use crate::packet::game::SendPacketEvent;
/// Send a chat packet to the server of a specific kind (chat message or
/// command). Usually you just want [`SendChatEvent`] instead.
///
/// Usually setting the kind to `Message` will make it send a chat message even
/// if it starts with a slash, but some server implementations will always do a
/// command if it starts with a slash.
///
/// If you're wondering why this isn't two separate events, it's so ordering is
/// preserved if multiple chat messages and commands are sent at the same time.
#[derive(Event)]
pub struct SendChatKindEvent {
pub entity: Entity,
pub content: String,
pub kind: ChatKind,
}
pub fn handle_send_chat_kind_event(
mut events: EventReader<SendChatKindEvent>,
mut send_packet_events: EventWriter<SendPacketEvent>,
) {
for event in events.read() {
let content = event
.content
.chars()
.filter(|c| !matches!(c, '\x00'..='\x1F' | '\x7F' | '§'))
.take(256)
.collect::<String>();
let packet = match event.kind {
ChatKind::Message => ServerboundChat {
message: content,
timestamp: SystemTime::now()
.duration_since(UNIX_EPOCH)
.expect("Time shouldn't be before epoch")
.as_millis()
.try_into()
.expect("Instant should fit into a u64"),
salt: azalea_crypto::make_salt(),
signature: None,
last_seen_messages: LastSeenMessagesUpdate::default(),
}
.into_variant(),
ChatKind::Command => {
// TODO: chat signing
ServerboundChatCommand { command: content }.into_variant()
}
};
send_packet_events.send(SendPacketEvent::new(event.entity, packet));
}
}
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