use std::fmt::{Display, Formatter};
// StarKingdoms.IO, a browser game about drifting through space
//     Copyright (C) 2024 ghostly_zsh, TerraMaster85, core
//
//     This program is free software: you can redistribute it and/or modify
//     it under the terms of the GNU Affero General Public License as published by
//     the Free Software Foundation, either version 3 of the License, or
//     (at your option) any later version.
//
//     This program is distributed in the hope that it will be useful,
//     but WITHOUT ANY WARRANTY; without even the implied warranty of
//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//     GNU Affero General Public License for more details.
//
//     You should have received a copy of the GNU Affero General Public License
//     along with this program.  If not, see <https://www.gnu.org/licenses/>.
use serde::{Deserialize, Serialize};

use crate::{PartType, PlanetType};

#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
pub struct ProtoTransform {
    pub x: f32,
    pub y: f32,
    pub rot: f32,
}
#[macro_export]
macro_rules! proto_transform {
    ($e:expr) => {
        $crate::packet::ProtoTransform {
            x: $e.translation.x,
            y: $e.translation.y,
            rot: $e.rotation.to_euler(bevy::math::EulerRot::ZYX).0,
        }
    };
}

#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
pub struct Planet {
    pub planet_type: PlanetType,
    pub transform: ProtoTransform,
}
#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
pub struct Part {
    pub part_type: PartType,
    pub transform: ProtoTransform,
    pub flags: ProtoPartFlags,
}

#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
pub struct ProtoPartFlags {
    pub attached: bool,
}

#[macro_export]
macro_rules! proto_part_flags {
    ($e:expr) => {
        $crate::packet::ProtoPartFlags {
            attached: $e.attached,
        }
    };
}

#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
pub enum MessageType {
    Server,
    Error,
    Chat,
    Direct,
}
#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
pub enum ButtonType {
    Left,
    Middle,
    Right,
}

#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
#[cfg_attr(feature = "bevy", derive(::bevy_ecs::event::Event))]
pub struct ClientLoginPacket {
    pub username: String,
    pub save: Option<String>,
    pub jwt: Option<String>,
}
#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
#[cfg_attr(feature = "bevy", derive(::bevy_ecs::event::Event))]
pub struct SendMessagePacket {
    pub target: Option<String>,
    pub content: String,
}
#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
#[cfg_attr(feature = "bevy", derive(::bevy_ecs::event::Event))]
pub struct PlayerInputPacket {
    pub up: bool,
    pub down: bool,
    pub left: bool,
    pub right: bool,
}

#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
#[cfg_attr(feature = "bevy", derive(::bevy_ecs::event::Event))]
pub struct PlayerMouseInputPacket {
    pub x: f32,
    pub y: f32,
    pub released: bool,
    pub button: ButtonType,
}

#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
#[cfg_attr(feature = "bevy", derive(::bevy_ecs::event::Event))]
pub struct RequestSavePacket {
    pub old_save: Option<String>,
}

#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
#[cfg_attr(feature = "bevy", derive(::bevy_ecs::event::Event))]
pub struct SpecialDisconnectPacket {}

#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
#[cfg_attr(feature = "bevy", derive(::bevy_ecs::event::Event))]
pub struct LoginResponsePacket {
    pub id: u32,
}

#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
#[cfg_attr(feature = "bevy", derive(::bevy_ecs::event::Event))]
pub struct SpawnPlayerPacket {
    pub id: u32,
    pub username: String,
}

#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
#[cfg_attr(feature = "bevy", derive(::bevy_ecs::event::Event))]
pub struct PlayerListPacket {
    pub players: Vec<(u32, String)>,
}

#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
#[cfg_attr(feature = "bevy", derive(::bevy_ecs::event::Event))]
pub struct PlanetPositionsPacket {
    pub planets: Vec<(u32, Planet)>,
}

#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
#[cfg_attr(feature = "bevy", derive(::bevy_ecs::event::Event))]
pub struct SpawnPlanetPacket {
    pub id: u32,
    pub planet: Planet,
    pub radius: f32,
}

#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
#[cfg_attr(feature = "bevy", derive(::bevy_ecs::event::Event))]
pub struct PartPositionsPacket {
    pub parts: Vec<(u32, Part)>,
}

#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
#[cfg_attr(feature = "bevy", derive(::bevy_ecs::event::Event))]
pub struct SpawnPartPacket {
    pub id: u32,
    pub part: Part,
}

#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
#[cfg_attr(feature = "bevy", derive(::bevy_ecs::event::Event))]
pub struct DespawnPartPacket {
    pub id: u32,
}

#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
#[cfg_attr(feature = "bevy", derive(::bevy_ecs::event::Event))]
pub struct PlayerLeavePacket {
    pub id: u32,
}

#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
#[cfg_attr(feature = "bevy", derive(::bevy_ecs::event::Event))]
pub struct MessagePacket {
    pub message_type: MessageType,
    pub actor: String,
    pub content: String,
}

#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
#[cfg_attr(feature = "bevy", derive(::bevy_ecs::event::Event))]
pub struct SaveEligibilityPacket {
    pub eligible: bool,
}

#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
#[cfg_attr(feature = "bevy", derive(::bevy_ecs::event::Event))]
pub struct SaveDataPacket {
    pub payload: String,
}

#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
#[cfg_attr(feature = "bevy", derive(::bevy_ecs::event::Event))]
pub struct EnergyUpdatePacket {
    pub amount: u32,
    pub max: u32,
}

#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
#[cfg_attr(feature = "bevy", derive(::bevy_ecs::event::Event))]
pub struct OpenCraftingUiPacket {
    pub id: u32,
}

#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
#[serde(tag = "t", content = "c")]
pub enum Packet {
    // serverbound
    ClientLogin(ClientLoginPacket),
    SendMessage(SendMessagePacket),
    PlayerInput(PlayerInputPacket),
    PlayerMouseInput(PlayerMouseInputPacket),
    RequestSave(RequestSavePacket),
    _SpecialDisconnect(SpecialDisconnectPacket),

    // clientbound
    LoginResponse(LoginResponsePacket),
    SpawnPlayer(SpawnPlayerPacket),
    PlayerList(PlayerListPacket),
    PlanetPositions(PlanetPositionsPacket),
    SpawnPlanet(SpawnPlanetPacket),
    PartPositions(PartPositionsPacket),
    SpawnPart(SpawnPartPacket),
    DespawnPart(DespawnPartPacket),
    PlayerLeave(PlayerLeavePacket),
    Message(MessagePacket),
    SaveEligibility(SaveEligibilityPacket),
    SaveData(SaveDataPacket),
    EnergyUpdate(EnergyUpdatePacket),
    OpenCraftingUi(OpenCraftingUiPacket),
}

#[cfg(feature = "bevy")]
pub fn register_packet_events(world: &mut bevy_ecs::prelude::World) {
    bevy_ecs::event::EventRegistry::register_event::<ClientLoginPacket>(world);
    bevy_ecs::event::EventRegistry::register_event::<SendMessagePacket>(world);
    bevy_ecs::event::EventRegistry::register_event::<PlayerInputPacket>(world);
    bevy_ecs::event::EventRegistry::register_event::<PlayerMouseInputPacket>(world);
    bevy_ecs::event::EventRegistry::register_event::<RequestSavePacket>(world);
    bevy_ecs::event::EventRegistry::register_event::<SpecialDisconnectPacket>(world);
    bevy_ecs::event::EventRegistry::register_event::<LoginResponsePacket>(world);
    bevy_ecs::event::EventRegistry::register_event::<PlayerListPacket>(world);
    bevy_ecs::event::EventRegistry::register_event::<PlanetPositionsPacket>(world);
    bevy_ecs::event::EventRegistry::register_event::<SpawnPlanetPacket>(world);
    bevy_ecs::event::EventRegistry::register_event::<PartPositionsPacket>(world);
    bevy_ecs::event::EventRegistry::register_event::<SpawnPartPacket>(world);
    bevy_ecs::event::EventRegistry::register_event::<DespawnPartPacket>(world);
    bevy_ecs::event::EventRegistry::register_event::<MessagePacket>(world);
    bevy_ecs::event::EventRegistry::register_event::<SaveEligibilityPacket>(world);
    bevy_ecs::event::EventRegistry::register_event::<SaveDataPacket>(world);
    bevy_ecs::event::EventRegistry::register_event::<EnergyUpdatePacket>(world);
    bevy_ecs::event::EventRegistry::register_event::<OpenCraftingUiPacket>(world);
    bevy_ecs::event::EventRegistry::register_event::<SpawnPlayerPacket>(world);
    bevy_ecs::event::EventRegistry::register_event::<PlayerLeavePacket>(world);
}

impl From<Packet> for String {
    fn from(val: Packet) -> Self {
        serde_json::to_string(&val).expect("failed to serialize packet to json")
    }
}

#[derive(Debug)]
pub enum MsgFromError {
    InvalidMessageType,
    JSONError(serde_json::Error),
}
impl Display for MsgFromError {
    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
        write!(f, "{:?}", self)
    }
}

impl TryFrom<&String> for Packet {
    type Error = MsgFromError;

    fn try_from(value: &String) -> Result<Self, Self::Error> {
        serde_json::from_str(value).map_err(MsgFromError::JSONError)
    }
}
impl TryFrom<&Vec<u8>> for Packet {
    type Error = MsgFromError;

    fn try_from(value: &Vec<u8>) -> Result<Self, Self::Error> {
        serde_json::from_slice(value).map_err(MsgFromError::JSONError)
    }
}