//! Network protocol: replicated components and client/server events.
//!
//! Registration order must be identical on server and client, so everything is
//! registered here and used by both.

use bevy::prelude::*;
use bevy_replicon::prelude::*;
use serde::{Deserialize, Serialize};

use crate::{components::*, grid::Dir};

/// First event a client sends; selects (or creates) the persistent character.
#[derive(Event, Clone, Debug, Serialize, Deserialize)]
pub struct Login {
    pub name: String,
}

/// Direction the player is holding, `None` to stop.
#[derive(Event, Clone, Debug, Serialize, Deserialize)]
pub struct SetMoveDir(pub Option<Dir>);

/// Pick up the item on the given tile (own or adjacent).
#[derive(Event, Clone, Debug, Serialize, Deserialize)]
pub struct PickUp {
    pub target: GridPos,
}

/// Interact with the building on the given adjacent tile.
#[derive(Event, Clone, Debug, Serialize, Deserialize)]
pub struct Interact {
    pub target: GridPos,
}

#[derive(Event, Clone, Debug, Serialize, Deserialize)]
pub struct UseItem {
    pub slot: usize,
}

#[derive(Event, Clone, Debug, Serialize, Deserialize)]
pub struct DropItem {
    pub slot: usize,
}

#[derive(Event, Clone, Debug, Serialize, Deserialize)]
pub struct Craft {
    pub recipe: String,
}

#[derive(Event, Clone, Debug, Serialize, Deserialize)]
pub struct Construct {
    pub building: String,
    pub target: GridPos,
}

#[derive(Event, Clone, Debug, Serialize, Deserialize)]
pub struct Deconstruct {
    pub target: GridPos,
}

/// Text shown in the receiving player's message log.
#[derive(Event, Clone, Debug, Serialize, Deserialize)]
pub struct GameLog {
    pub text: String,
}

pub struct ProtocolPlugin;

impl Plugin for ProtocolPlugin {
    fn build(&self, app: &mut App) {
        app.replicate::<WorldMap>()
            .replicate::<GridPos>()
            .replicate::<Facing>()
            .replicate::<Character>()
            .replicate::<Vitals>()
            .replicate::<Inventory>()
            .replicate::<Skills>()
            .replicate::<GroundItem>()
            .replicate::<Building>()
            .replicate::<BuildingState>()
            .add_client_event::<Login>(Channel::Ordered)
            .add_client_event::<SetMoveDir>(Channel::Ordered)
            .add_client_event::<PickUp>(Channel::Ordered)
            .add_client_event::<Interact>(Channel::Ordered)
            .add_client_event::<UseItem>(Channel::Ordered)
            .add_client_event::<DropItem>(Channel::Ordered)
            .add_client_event::<Craft>(Channel::Ordered)
            .add_client_event::<Construct>(Channel::Ordered)
            .add_client_event::<Deconstruct>(Channel::Ordered)
            .add_server_event::<GameLog>(Channel::Ordered);
    }
}