elseware/src/ship/ship.rs

#![allow(dead_code, unused_must_use)]
use std::net::Ipv4Addr;
use std::collections::HashMap;

use rand::Rng;
use thiserror::Error;

use libpso::packet::ship::*;
use libpso::packet::login::{RedirectClient, Login, LoginResponse, Session, ShipList};
use libpso::packet::messages::*;
use libpso::{PacketParseError, PSOPacket};
use libpso::crypto::bb::PSOBBCipher;

use libpso::packet::ship::{BLOCK_MENU_ID, ROOM_MENU_ID};

use crate::common::cipherkeys::{ELSEWHERE_PRIVATE_KEY, ELSEWHERE_PARRAY};
use crate::common::serverstate::{SendServerPacket, RecvServerPacket, ServerState, OnConnect, ClientId};
use crate::common::leveltable::CharacterLevelTable;
use crate::common::interserver::{AuthToken, Ship, ServerId, InterserverActor, LoginMessage, ShipMessage};

use crate::login::character::SHIP_MENU_ID;

use crate::entity::gateway::{EntityGateway, GatewayError};
use crate::entity::account::{UserAccountEntity, UserSettingsEntity};
use crate::entity::character::{CharacterEntity, SectionID};
use crate::entity::item;

use crate::ship::location::{ClientLocation, RoomLobby, MAX_ROOMS, ClientLocationError, GetNeighborError, GetClientsError, GetAreaError};

use crate::ship::items;
use crate::ship::room;
use crate::ship::quests;
use crate::ship::map::{MapsError, MapAreaError, MapArea};
use crate::ship::packet::handler;
use crate::ship::shops::{WeaponShop, ToolShop, ArmorShop, WeaponShopItem, ToolShopItem, ArmorShopItem};
use crate::ship::trade::TradeState;

pub const SHIP_PORT: u16 = 23423;
pub const QUEST_CATEGORY_MENU_ID: u32 = 0xA2;
pub const QUEST_SELECT_MENU_ID: u32 = 0xA3;
pub type Rooms = [Option<room::RoomState>; MAX_ROOMS];
pub type Clients = HashMap<ClientId, ClientState>;

#[derive(Error, Debug)]
#[error("shiperror {0:?}")]
pub enum ShipError {
    ClientNotFound(ClientId),
    NoCharacterInSlot(ClientId, u32),
    InvalidSlot(ClientId, u32),
    #[error("")]
    TooManyClients,
    ClientLocationError(#[from] ClientLocationError),
    GetNeighborError(#[from] GetNeighborError),
    GetClientsError(#[from] GetClientsError),
    GetAreaError(#[from] GetAreaError),
    MapsError(#[from] MapsError),
    MapAreaError(#[from] MapAreaError),
    InvalidRoom(u32),
    MonsterAlreadyDroppedItem(ClientId, u16),
    SliceError(#[from] std::array::TryFromSliceError),
    #[error("")]
    ItemError, // TODO: refine this
    PickUpInvalidItemId(u32),
    DropInvalidItemId(u32),
    ItemManagerError(#[from] items::ItemManagerError),
    #[error("")]
    ItemDropLocationNotSet,
    BoxAlreadyDroppedItem(ClientId, u16),
    InvalidQuestCategory(u32),
    InvalidQuest(u32),
    InvalidQuestFilename(String),
    IoError(#[from] std::io::Error),
    NotEnoughMeseta(ClientId, u32),
    #[error("")]
    ShopError,
    GatewayError(#[from] GatewayError),
    UnknownMonster(crate::ship::monster::MonsterType),
    InvalidShip(usize),
    InvalidBlock(usize),
    InvalidItem(items::ClientItemId),
    #[error("tradeerror {0}")]
    TradeError(#[from] crate::ship::packet::handler::trade::TradeError),
}

#[derive(Debug)]
pub enum RecvShipPacket {
    Login(Login),
    MenuSelect(MenuSelect),
    RoomPasswordReq(RoomPasswordReq),
    CharData(CharData),
    Message(Message),
    DirectMessage(DirectMessage),
    PlayerChat(PlayerChat),
    CreateRoom(CreateRoom),
    RoomNameRequest(RoomNameRequest),
    UpdateConfig(UpdateConfig),
    ViewInfoboardRequest(ViewInfoboardRequest),
    WriteInfoboard(WriteInfoboard),
    RoomListRequest(RoomListRequest),
    Like62ButCooler(Like62ButCooler),
    ClientCharacterData(ClientCharacterData),
    DoneBursting(DoneBursting),
    DoneBursting2(DoneBursting2),
    LobbySelect(LobbySelect),
    RequestQuestList(RequestQuestList),
    MenuDetail(MenuDetail),
    QuestDetailRequest(QuestDetailRequest),
    QuestMenuSelect(QuestMenuSelect),
    QuestFileRequest(QuestFileRequest),
    QuestChunkAck(QuestChunkAck),
    DoneLoadingQuest(DoneLoadingQuest),
    FullCharacterData(Box<FullCharacterData>),
    SaveOptions(SaveOptions),
    RequestShipList(RequestShipList),
    RequestShipBlockList(RequestShipBlockList),
    ItemsToTrade(ItemsToTrade),
    TradeConfirmed(TradeConfirmed),
}

impl RecvServerPacket for RecvShipPacket {
    fn from_bytes(data: &[u8]) -> Result<RecvShipPacket, PacketParseError> {
        match u16::from_le_bytes([data[2], data[3]]) {
            0x93 => Ok(RecvShipPacket::Login(Login::from_bytes(data)?)),
            0x09 => match data[8] as u32 {
                QUEST_SELECT_MENU_ID => Ok(RecvShipPacket::QuestDetailRequest(QuestDetailRequest::from_bytes(data)?)),
                _ => Ok(RecvShipPacket::MenuDetail(MenuDetail::from_bytes(data)?)),
            }
            0x10 => match (data[0], data[8] as u32) {
                (16, QUEST_SELECT_MENU_ID) => Ok(RecvShipPacket::QuestMenuSelect(QuestMenuSelect::from_bytes(data)?)),
                (16, _) => Ok(RecvShipPacket::MenuSelect(MenuSelect::from_bytes(data)?)),
                (48, _) => Ok(RecvShipPacket::RoomPasswordReq(RoomPasswordReq::from_bytes(data)?)),
                _ => Err(PacketParseError::WrongPacketForServerType(u16::from_le_bytes([data[2], data[3]]), data.to_vec())),
            },
            0x13 => Ok(RecvShipPacket::QuestChunkAck(QuestChunkAck::from_bytes(data)?)),
            0x44 => Ok(RecvShipPacket::QuestFileRequest(QuestFileRequest::from_bytes(data)?)),
            0x61 => Ok(RecvShipPacket::CharData(CharData::from_bytes(data)?)),
            0x60 => Ok(RecvShipPacket::Message(Message::from_bytes(data)?)),
            0x62 => Ok(RecvShipPacket::DirectMessage(DirectMessage::from_bytes(data)?)),
            0x06 => Ok(RecvShipPacket::PlayerChat(PlayerChat::from_bytes(data)?)),
            0xC1 => Ok(RecvShipPacket::CreateRoom(CreateRoom::from_bytes(data)?)),
            0x8A => Ok(RecvShipPacket::RoomNameRequest(RoomNameRequest::from_bytes(data)?)),
            0x7ED => Ok(RecvShipPacket::UpdateConfig(UpdateConfig::from_bytes(data)?)),
            0xD8 => Ok(RecvShipPacket::ViewInfoboardRequest(ViewInfoboardRequest::from_bytes(data)?)),
            0xD9 => Ok(RecvShipPacket::WriteInfoboard(WriteInfoboard::from_bytes(data)?)),
            0x08 => Ok(RecvShipPacket::RoomListRequest(RoomListRequest::from_bytes(data)?)),
            0x6D => Ok(RecvShipPacket::Like62ButCooler(Like62ButCooler::from_bytes(data)?)),
            0x98 => Ok(RecvShipPacket::ClientCharacterData(ClientCharacterData::from_bytes(data)?)),
            0x6F => Ok(RecvShipPacket::DoneBursting(DoneBursting::from_bytes(data)?)),
            0x16F => Ok(RecvShipPacket::DoneBursting2(DoneBursting2::from_bytes(data)?)),
            0x84 => Ok(RecvShipPacket::LobbySelect(LobbySelect::from_bytes(data)?)),
            0xA0 => Ok(RecvShipPacket::RequestShipList(RequestShipList::from_bytes(data)?)),
            0xA1 => Ok(RecvShipPacket::RequestShipBlockList(RequestShipBlockList::from_bytes(data)?)),
            0xA2 => Ok(RecvShipPacket::RequestQuestList(RequestQuestList::from_bytes(data)?)),
            0xAC => Ok(RecvShipPacket::DoneLoadingQuest(DoneLoadingQuest::from_bytes(data)?)),
            0xD0 => Ok(RecvShipPacket::ItemsToTrade(ItemsToTrade::from_bytes(data)?)),
            0xD2 => Ok(RecvShipPacket::TradeConfirmed(TradeConfirmed::from_bytes(data)?)),
            0xE7 => Ok(RecvShipPacket::FullCharacterData(Box::new(FullCharacterData::from_bytes(data)?))),
            0x1ED => Ok(RecvShipPacket::SaveOptions(SaveOptions::from_bytes(data)?)),
            _ => Err(PacketParseError::WrongPacketForServerType(u16::from_le_bytes([data[2], data[3]]), data.to_vec()))
        }
    }
}

#[derive(Debug, Clone)]
pub enum SendShipPacket {
    ShipWelcome(ShipWelcome),
    LoginResponse(LoginResponse),
    ShipList(ShipList),
    ShipBlockList(ShipBlockList),
    FullCharacter(Box<FullCharacter>),
    CharDataRequest(CharDataRequest),
    JoinLobby(JoinLobby),
    AddToLobby(AddToLobby),
    Message(Message),
    DirectMessage(DirectMessage),
    PlayerChat(PlayerChat),
    SmallDialog(SmallDialog),
    JoinRoom(JoinRoom),
    AddToRoom(AddToRoom),
    LeaveLobby(LeaveLobby),
    LeaveRoom(LeaveRoom),
    RoomNameResponse(RoomNameResponse),
    ViewInfoboardResponse(ViewInfoboardResponse),
    RoomListResponse(RoomListResponse),
    Like62ButCooler(Like62ButCooler),
    BurstDone72(BurstDone72),
    DoneBursting(DoneBursting),
    DoneBursting2(DoneBursting2),
    LobbyList(LobbyList),
    QuestCategoryList(QuestCategoryList),
    QuestOptionList(QuestOptionList),
    QuestDetail(QuestDetail),
    QuestHeader(QuestHeader),
    QuestChunk(QuestChunk),
    DoneLoadingQuest(DoneLoadingQuest),
    BankItemList(BankItemList),
    RedirectClient(RedirectClient),
    RareMonsterList(RareMonsterList),
    AcknowledgeTrade(AcknowledgeTrade),
    CancelTrade(CancelTrade),
    TradeSuccessful(TradeSuccessful),
}

impl SendServerPacket for SendShipPacket {
    fn as_bytes(&self) -> Vec<u8> {
        match self {
            SendShipPacket::ShipWelcome(pkt) => pkt.as_bytes(),
            SendShipPacket::LoginResponse(pkt) => pkt.as_bytes(),
            SendShipPacket::ShipList(pkt) => pkt.as_bytes(),
            SendShipPacket::ShipBlockList(pkt) => pkt.as_bytes(),
            SendShipPacket::FullCharacter(pkt) => pkt.as_bytes(),
            SendShipPacket::CharDataRequest(pkt) => pkt.as_bytes(),
            SendShipPacket::JoinLobby(pkt) => pkt.as_bytes(),
            SendShipPacket::AddToLobby(pkt) => pkt.as_bytes(),
            SendShipPacket::Message(pkt) => pkt.as_bytes(),
            SendShipPacket::DirectMessage(pkt) => pkt.as_bytes(),
            SendShipPacket::PlayerChat(pkt) => pkt.as_bytes(),
            SendShipPacket::SmallDialog(pkt) => pkt.as_bytes(),
            SendShipPacket::JoinRoom(pkt) => pkt.as_bytes(),
            SendShipPacket::AddToRoom(pkt) => pkt.as_bytes(),
            SendShipPacket::LeaveLobby(pkt) => pkt.as_bytes(),
            SendShipPacket::LeaveRoom(pkt) => pkt.as_bytes(),
            SendShipPacket::RoomNameResponse(pkt) => pkt.as_bytes(),
            SendShipPacket::ViewInfoboardResponse(pkt) => pkt.as_bytes(),
            SendShipPacket::RoomListResponse(pkt) => pkt.as_bytes(),
            SendShipPacket::Like62ButCooler(pkt) => pkt.as_bytes(),
            SendShipPacket::BurstDone72(pkt) => pkt.as_bytes(),
            SendShipPacket::DoneBursting(pkt) => pkt.as_bytes(),
            SendShipPacket::DoneBursting2(pkt) => pkt.as_bytes(),
            SendShipPacket::LobbyList(pkt) => pkt.as_bytes(),
            SendShipPacket::QuestCategoryList(pkt) => pkt.as_bytes(),
            SendShipPacket::QuestOptionList(pkt) => pkt.as_bytes(),
            SendShipPacket::QuestDetail(pkt) => pkt.as_bytes(),
            SendShipPacket::QuestHeader(pkt) => pkt.as_bytes(),
            SendShipPacket::QuestChunk(pkt) => pkt.as_bytes(),
            SendShipPacket::DoneLoadingQuest(pkt) => pkt.as_bytes(),
            SendShipPacket::BankItemList(pkt) => pkt.as_bytes(),
            SendShipPacket::RedirectClient(pkt) => pkt.as_bytes(),
            SendShipPacket::RareMonsterList(pkt) => pkt.as_bytes(),
            SendShipPacket::AcknowledgeTrade(pkt) => pkt.as_bytes(),
            SendShipPacket::CancelTrade(pkt) => pkt.as_bytes(),
            SendShipPacket::TradeSuccessful(pkt) => pkt.as_bytes(),
        }
    }
}

#[derive(Debug, Clone, Copy)]
pub struct ItemDropLocation {
    pub map_area: MapArea,
    pub x: f32,
    pub z: f32,
    pub item_id: items::ClientItemId,
}

pub struct LoadingQuest {
    pub header_bin: Option<QuestHeader>,
    pub header_dat: Option<QuestHeader>,
    //pub quest_chunk_bin: Option<Box<dyn Iterator<Item = >>>,
}







pub struct ClientState {
    pub user: UserAccountEntity,
    pub settings: UserSettingsEntity,
    pub character: CharacterEntity,
    session: Session,
    //guildcard: GuildCard,
    pub block: usize,
    pub item_drop_location: Option<ItemDropLocation>,
    pub done_loading_quest: bool,
    //pub loading_quest: Option<LoadingQuest>,
    pub area: Option<MapArea>,
    pub x: f32,
    pub y: f32,
    pub z: f32,
    pub weapon_shop: Vec<WeaponShopItem>,
    pub tool_shop: Vec<ToolShopItem>,
    pub armor_shop: Vec<ArmorShopItem>,
    pub tek: Option<(items::ClientItemId, item::weapon::TekSpecialModifier, item::weapon::TekPercentModifier, i32)>,
}

impl ClientState {
    pub fn new(user: UserAccountEntity, settings: UserSettingsEntity, character: CharacterEntity, session: Session) -> ClientState {
        ClientState {
            user,
            settings,
            character,
            session,
            block: 0,
            item_drop_location: None,
            done_loading_quest: false,
            area: None,
            x: 0.0,
            y: 0.0,
            z: 0.0,
            weapon_shop: Vec::new(),
            tool_shop: Vec::new(),
            armor_shop: Vec::new(),
            tek: None,
        }
    }
}

pub struct ItemShops {
    pub weapon_shop: HashMap<(room::Difficulty, SectionID), WeaponShop<rand_chacha::ChaCha20Rng>>,
    pub tool_shop: ToolShop<rand_chacha::ChaCha20Rng>,
    pub armor_shop: ArmorShop<rand_chacha::ChaCha20Rng>,
}

impl Default for ItemShops {
    fn default() -> ItemShops {
        let difficulty = [room::Difficulty::Normal, room::Difficulty::Hard, room::Difficulty::VeryHard, room::Difficulty::Ultimate];
        let section_id = [SectionID::Viridia, SectionID::Greenill, SectionID::Skyly, SectionID::Bluefull, SectionID::Purplenum,
                          SectionID::Pinkal,  SectionID::Redria, SectionID::Oran, SectionID::Yellowboze, SectionID::Whitill];

        let mut weapon_shop = HashMap::new();
        for d in difficulty.iter() {
            for id in section_id.iter() {
                weapon_shop.insert((*d, *id), WeaponShop::new(*d, *id));
            }
        }

        ItemShops {
            weapon_shop,
            tool_shop: ToolShop::default(),
            armor_shop: ArmorShop::default(),
        }
    }
}


pub struct ShipServerStateBuilder<EG: EntityGateway> {
    entity_gateway: Option<EG>,
    name: Option<String>,
    ip: Option<Ipv4Addr>,
    port: Option<u16>,
    auth_token: Option<AuthToken>,
    num_blocks: usize,
}

impl<EG: EntityGateway> Default for ShipServerStateBuilder<EG> {
    fn default() -> ShipServerStateBuilder<EG> {
        ShipServerStateBuilder {
            entity_gateway: None,
            name: None,
            ip: None,
            port: None,
            auth_token: None,
            num_blocks: 2,
        }
    }
}

impl<EG: EntityGateway> ShipServerStateBuilder<EG> {
    #[must_use]
    pub fn gateway(mut self, entity_gateway: EG) -> ShipServerStateBuilder<EG> {
        self.entity_gateway = Some(entity_gateway);
        self
    }

    #[must_use]
    pub fn name(mut self, name: String) -> ShipServerStateBuilder<EG> {
        self.name = Some(name);
        self
    }

    #[must_use]
    pub fn ip(mut self, ip: Ipv4Addr) -> ShipServerStateBuilder<EG> {
        self.ip = Some(ip);
        self
    }

    #[must_use]
    pub fn port(mut self, port: u16) -> ShipServerStateBuilder<EG> {
        self.port = Some(port);
        self
    }

    #[must_use]
    pub fn auth_token(mut self, auth_token: AuthToken) -> ShipServerStateBuilder<EG> {
        self.auth_token = Some(auth_token);
        self
    }

    #[must_use]
    pub fn blocks(mut self, num_blocks: usize) -> ShipServerStateBuilder<EG> {
        self.num_blocks = num_blocks;
        self
    }

    pub fn build(self) -> ShipServerState<EG> {
        let blocks = std::iter::repeat_with(Block::default).take(self.num_blocks).collect(); // Block doesn't have a Clone impl which limits the easy ways to init this
        ShipServerState {
            entity_gateway: self.entity_gateway.unwrap(),
            clients: HashMap::new(),
            level_table: CharacterLevelTable::default(),
            name: self.name.unwrap_or_else(|| "NAMENOTSET".into()),
            item_manager: items::ItemManager::default(),
            quests: quests::load_quests("data/quests.toml".into()).unwrap(),
            ip: self.ip.unwrap_or_else(|| Ipv4Addr::new(127,0,0,1)),
            port: self.port.unwrap_or(SHIP_PORT),
            shops: Box::new(ItemShops::default()),
            blocks: Blocks(blocks),

            auth_token: self.auth_token.unwrap_or_else(|| AuthToken("".into())),
            ship_list: Vec::new(),
            shipgate_sender: None,
            trades: Default::default(),
        }
    }
}

pub struct Block {
    client_location: Box<ClientLocation>,
    pub rooms: Box<Rooms>,
}

impl Default for Block {
    fn default() -> Block {
        const SNONE: Option<room::RoomState> = None;
        const NONE: Rooms = [SNONE; MAX_ROOMS];
        Block {
            client_location: Box::new(ClientLocation::default()),
            rooms: Box::new(NONE),
        }
    }
}

pub struct Blocks(pub Vec<Block>);

impl Blocks {
    fn with_client(&mut self, id: ClientId, clients: &Clients) -> Result<&mut Block, ShipError> {
        let client = clients.get(&id).ok_or(ShipError::ClientNotFound(id))?;
        self.0.get_mut(client.block).ok_or(ShipError::InvalidBlock(client.block))
    }
}

pub struct ShipServerState<EG: EntityGateway> {
    entity_gateway: EG,
    pub clients: Clients,
    level_table: CharacterLevelTable,
    name: String,
    item_manager: items::ItemManager,
    quests: quests::QuestList,
    shops: Box<ItemShops>,
    pub blocks: Blocks,

    ip: Ipv4Addr,
    port: u16,

    auth_token: AuthToken,
    ship_list: Vec<Ship>,
    shipgate_sender: Option<Box<dyn Fn(ShipMessage) + Send + Sync>>,
    trades: TradeState,
}

impl<EG: EntityGateway> ShipServerState<EG> {
    pub fn builder() -> ShipServerStateBuilder<EG> {
        ShipServerStateBuilder::default()
    }

    pub fn set_sender(&mut self, sender: Box<dyn Fn(ShipMessage) + Send + Sync>) {
        self.shipgate_sender = Some(sender);
    }

    async fn message(&mut self, id: ClientId, msg: &Message) -> Result<Box<dyn Iterator<Item = (ClientId, SendShipPacket)> + Send>, anyhow::Error> {
        Ok(match &msg.msg {
            GameMessage::RequestExp(request_exp) => {
                let block = self.blocks.with_client(id, &self.clients)?;
                handler::message::request_exp(id, request_exp, &mut self.entity_gateway, &block.client_location, &mut self.clients, &mut block.rooms, &self.level_table).await?
            },
            GameMessage::PlayerDropItem(player_drop_item) => {
                let block = self.blocks.with_client(id, &self.clients)?;
                handler::message::player_drop_item(id, player_drop_item, &mut self.entity_gateway, &block.client_location, &mut self.clients, &mut block.rooms, &mut self.item_manager).await?
            },
            GameMessage::DropCoordinates(drop_coordinates) => {
                let block = self.blocks.with_client(id, &self.clients)?;
                handler::message::drop_coordinates(id, drop_coordinates, &block.client_location, &mut self.clients, &block.rooms)?
            },
            GameMessage::PlayerNoLongerHasItem(no_longer_has_item) => {
                let block = self.blocks.with_client(id, &self.clients)?;
                handler::message::no_longer_has_item(id, no_longer_has_item, &mut self.entity_gateway, &block.client_location, &mut self.clients, &mut self.item_manager).await?
            },
            GameMessage::PlayerChangedMap(_) | GameMessage::PlayerChangedMap2(_) | GameMessage::TellOtherPlayerMyLocation(_) | 
            GameMessage::PlayerWarpingToFloor(_) | GameMessage::PlayerTeleported(_) | GameMessage::PlayerStopped(_) | 
            GameMessage::PlayerLoadedIn(_) | GameMessage::PlayerWalking(_) | GameMessage::PlayerRunning(_) | 
            GameMessage::PlayerWarped(_) | GameMessage::PlayerChangedFloor(_) | GameMessage::InitializeSpeechNpc(_) => {
                let block = self.blocks.with_client(id, &self.clients)?;
                handler::message::update_player_position(id, msg, &mut self.clients, &block.client_location, &block.rooms)?
            },
            GameMessage::ChargeAttack(charge_attack) => {
                handler::message::charge_attack(id, charge_attack, &mut self.clients, &mut self.entity_gateway, &mut self.item_manager).await?
            },
            GameMessage::PlayerUseItem(player_use_item) => {
                let block = self.blocks.with_client(id, &self.clients)?;
                handler::message::use_item(id, player_use_item, &mut self.entity_gateway, &block.client_location, &mut self.clients, &mut self.item_manager).await?
            },
            GameMessage::PlayerUsedMedicalCenter(player_used_medical_center) => {
                handler::message::player_used_medical_center(id, player_used_medical_center, &mut self.entity_gateway, &mut self.clients, &mut self.item_manager).await?
            },
            GameMessage::PlayerFeedMag(player_feed_mag) => {
                let block = self.blocks.with_client(id, &self.clients)?;
                handler::message::player_feed_mag(id, player_feed_mag, &mut self.entity_gateway, &block.client_location, &self.clients, &mut self.item_manager).await?
            },
            GameMessage::PlayerEquipItem(player_equip_item) => {
                handler::message::player_equips_item(id, player_equip_item, &mut self.entity_gateway, &self.clients, &mut self.item_manager).await?
            },
            GameMessage::PlayerUnequipItem(player_unequip_item) => {
                handler::message::player_unequips_item(id, player_unequip_item, &mut self.entity_gateway, &self.clients, &mut self.item_manager).await?
            },
            GameMessage::SortItems(sort_items) => {
                handler::message::player_sorts_items(id, sort_items, &mut self.entity_gateway, &self.clients, &mut self.item_manager).await?
            },
            GameMessage::PlayerSoldItem(player_sold_item) => {
                handler::message::player_sells_item(id, player_sold_item, &mut self.entity_gateway, &mut self.clients, &mut self.item_manager).await?
            },
            _ => {
                let cmsg = msg.clone();
                let block = self.blocks.with_client(id, &self.clients)?;
                Box::new(block.client_location.get_client_neighbors(id).unwrap().into_iter()
                    .map(move |client| {
                        (client.client, SendShipPacket::Message(cmsg.clone()))
                    }))
            },
        })
    }

    async fn direct_message(&mut self, id: ClientId, msg: &DirectMessage) -> Result<Box<dyn Iterator<Item = (ClientId, SendShipPacket)> + Send>, anyhow::Error> {
        let target = msg.flag;
        let block = self.blocks.with_client(id, &self.clients)?;
        Ok(match &msg.msg {
            GameMessage::GuildcardSend(guildcard_send) => {
                handler::direct_message::guildcard_send(id, guildcard_send, target, &block.client_location, &self.clients)
            },
            GameMessage::RequestItem(request_item) => {
                handler::direct_message::request_item(id, request_item, &mut self.entity_gateway, &block.client_location, &mut self.clients, &mut block.rooms, &mut self.item_manager).await?
            },
            GameMessage::PickupItem(pickup_item) => {
                handler::direct_message::pickup_item(id, pickup_item, &mut self.entity_gateway, &block.client_location, &mut self.clients, &mut self.item_manager).await?
            },
            GameMessage::BoxDropRequest(box_drop_request) => {
                handler::direct_message::request_box_item(id, box_drop_request, &mut self.entity_gateway, &block.client_location, &mut self.clients, &mut block.rooms, &mut self.item_manager).await?
            },
            GameMessage::BankRequest(_bank_request) => {
                handler::direct_message::send_bank_list(id, &self.clients, &mut self.item_manager).await?
            },
            GameMessage::BankInteraction(bank_interaction) => {
                handler::direct_message::bank_interaction(id, bank_interaction, &mut self.entity_gateway, &block.client_location, &mut self.clients, &mut self.item_manager).await?
            },
            GameMessage::ShopRequest(shop_request) => {
                handler::direct_message::shop_request(id, shop_request, &block.client_location, &mut self.clients, &block.rooms, &self.level_table, &mut self.shops).await?
            },
            GameMessage::BuyItem(buy_item) => {
                handler::direct_message::buy_item(id, buy_item, &mut self.entity_gateway, &block.client_location, &mut self.clients, &mut self.item_manager).await?
            },
            GameMessage::TekRequest(tek_request) => {
                handler::direct_message::request_tek_item(id, tek_request, &mut self.entity_gateway, &mut self.clients, &mut self.item_manager).await?
            },
            GameMessage::TekAccept(tek_accept) => {
                handler::direct_message::accept_tek_item(id, tek_accept, &mut self.entity_gateway, &block.client_location, &mut self.clients, &mut self.item_manager).await?
            },
            GameMessage::TradeRequest(trade_request) => {
                handler::trade::trade_request(id, trade_request, target, &block.client_location, &mut self.clients, &mut self.item_manager, &mut self.trades).await?
            },
            _ => {
                let cmsg = msg.clone();
                Box::new(block.client_location.get_all_clients_by_client(id).unwrap().into_iter()
                    .filter(move |client| client.local_client.id() == target as u8)
                    .map(move |client| {
                        (client.client, SendShipPacket::DirectMessage(cmsg.clone()))
                    }))
            },
        })
    }
}

#[async_trait::async_trait]
impl<EG: EntityGateway> ServerState for ShipServerState<EG> {
    type SendPacket = SendShipPacket;
    type RecvPacket = RecvShipPacket;
    type PacketError = anyhow::Error;

    async fn on_connect(&mut self, _id: ClientId) -> Result<Vec<OnConnect<Self::SendPacket>>, anyhow::Error> {
        let mut rng = rand::thread_rng();

        let mut server_key = [0u8; 48];
        let mut client_key = [0u8; 48];
        rng.fill(&mut server_key[..]);
        rng.fill(&mut client_key[..]);

        Ok(vec![OnConnect::Packet(SendShipPacket::ShipWelcome(ShipWelcome::new(server_key, client_key))),
             OnConnect::Cipher((Box::new(PSOBBCipher::new(ELSEWHERE_PARRAY, ELSEWHERE_PRIVATE_KEY, client_key)),
                                Box::new(PSOBBCipher::new(ELSEWHERE_PARRAY, ELSEWHERE_PRIVATE_KEY, server_key))))
        ])
    }

    async fn handle(&mut self, id: ClientId, pkt: &RecvShipPacket)
              -> Result<Box<dyn Iterator<Item = (ClientId, SendShipPacket)> + Send>, anyhow::Error> {
        Ok(match pkt {
            RecvShipPacket::Login(login) => {
                Box::new(handler::auth::validate_login(id, login, &mut self.entity_gateway, &mut self.clients, &mut self.item_manager, &self.shipgate_sender, &self.name, self.blocks.0.len())
                         .await?.into_iter().map(move |pkt| (id, pkt)))
            },
            RecvShipPacket::QuestDetailRequest(questdetailrequest) => {
                match questdetailrequest.menu {
                    QUEST_SELECT_MENU_ID => handler::quest::quest_detail(id, questdetailrequest, &self.quests)?,
                    _ => unreachable!(),
                }
            },
            RecvShipPacket::MenuSelect(menuselect) => {
                let block = self.blocks.with_client(id, &self.clients)?;
                match menuselect.menu {
                    SHIP_MENU_ID => {
                        let leave_lobby = handler::lobby::remove_from_lobby(id, &mut block.client_location).into_iter().into_iter().flatten();
                        let select_ship = handler::ship::selected_ship(id, menuselect, &self.ship_list)?;
                        Box::new(leave_lobby.chain(select_ship))
                    }
                    BLOCK_MENU_ID => {
                        let leave_lobby = handler::lobby::remove_from_lobby(id, &mut block.client_location).into_iter().into_iter().flatten();
                        let select_block = handler::lobby::block_selected(id, menuselect, &mut self.clients, &self.item_manager, &self.level_table)?.into_iter();
                        Box::new(leave_lobby.chain(select_block))
                    }
                    ROOM_MENU_ID => handler::room::join_room(id, menuselect, &mut block.client_location, &mut self.clients, &mut self.item_manager, &self.level_table, &mut block.rooms)?,
                    QUEST_CATEGORY_MENU_ID => handler::quest::select_quest_category(id, menuselect, &self.quests)?,
                    _ => unreachable!(),
                }
            },
            RecvShipPacket::QuestMenuSelect(questmenuselect) => {
                let block = self.blocks.with_client(id, &self.clients)?;
                handler::quest::player_chose_quest(id, questmenuselect, &self.quests, &mut self.clients, &block.client_location, &mut block.rooms)?
            },
            RecvShipPacket::MenuDetail(_menudetail) => {
                //unreachable!();
                Box::new(Vec::new().into_iter())
            },
            RecvShipPacket::RoomPasswordReq(room_password_req) => {
                let block = self.blocks.with_client(id, &self.clients)?;
                if room_password_req.password == block.rooms[room_password_req.item as usize].as_ref()
                    .ok_or(ShipError::InvalidRoom(room_password_req.item))?
                    .password {
                        let menuselect = MenuSelect {
                            menu: room_password_req.menu,
                            item: room_password_req.item,
                        };
                        handler::room::join_room(id, &menuselect, &mut block.client_location, &mut self.clients, &mut self.item_manager, &self.level_table, &mut block.rooms)?
                    }
                else {
                    Box::new(vec![(id, SendShipPacket::SmallDialog(SmallDialog::new("Incorrect password".into())))].into_iter())
                }
            },
            RecvShipPacket::CharData(chardata) => {
                let block = self.blocks.with_client(id, &self.clients)?;
                Box::new(handler::lobby::send_player_to_lobby(id, chardata, &mut block.client_location, &self.clients, &self.item_manager, &self.level_table)?.into_iter())
            },
            RecvShipPacket::Message(msg) => {
                self.message(id, msg).await?
            },
            RecvShipPacket::DirectMessage(msg) => {
                self.direct_message(id, msg).await?
            },
            RecvShipPacket::PlayerChat(msg) => {
                let block = self.blocks.with_client(id, &self.clients)?;
                Box::new(handler::communication::player_chat(id, msg, &block.client_location, &self.clients)?)
            },
            RecvShipPacket::CreateRoom(create_room) => {
                let block = self.blocks.with_client(id, &self.clients)?;
                handler::room::create_room(id, create_room, &mut block.client_location, &mut self.clients, &mut self.item_manager, &self.level_table, &mut block.rooms)?
            },
            RecvShipPacket::RoomNameRequest(_req) => {
                let block = self.blocks.with_client(id, &self.clients)?;
                handler::room::room_name_request(id, &block.client_location, &block.rooms)
            },
            RecvShipPacket::UpdateConfig(pkt) => {
                handler::settings::update_config(id, pkt, &mut self.clients, &mut self.entity_gateway).await
            },
            RecvShipPacket::ViewInfoboardRequest(_pkt) => {
                let block = self.blocks.with_client(id, &self.clients)?;
                handler::communication::request_infoboard(id, &block.client_location, &self.clients)
            },
            RecvShipPacket::WriteInfoboard(pkt) => {
                handler::communication::write_infoboard(id, pkt, &mut self.clients, &mut self.entity_gateway).await
            },
            RecvShipPacket::RoomListRequest(_req) => {
                let block = self.blocks.with_client(id, &self.clients)?;
                handler::room::request_room_list(id, &block.client_location, &block.rooms)
            },
            RecvShipPacket::Like62ButCooler(cool62) => {
                let block = self.blocks.with_client(id, &self.clients)?;
                handler::room::cool_62(id, cool62, &block.client_location)
            },
            RecvShipPacket::ClientCharacterData(_) => {
                // TOOD: validate this in some way?
                Box::new(None.into_iter())
            },
            RecvShipPacket::DoneBursting(_) => {
                let block = self.blocks.with_client(id, &self.clients)?;
                handler::room::done_bursting(id, &block.client_location, &mut block.rooms)
            },
            RecvShipPacket::DoneBursting2(_) => {
                let block = self.blocks.with_client(id, &self.clients)?;
                handler::room::done_bursting(id, &block.client_location, &mut block.rooms)
            },
            RecvShipPacket::LobbySelect(pkt) => {
                let block = self.blocks.with_client(id, &self.clients)?;
                Box::new(handler::lobby::change_lobby(id, pkt.lobby, &mut block.client_location, &self.clients, &mut self.item_manager, &self.level_table, &mut block.rooms, &mut self.entity_gateway).await?.into_iter())
            },
            RecvShipPacket::RequestQuestList(_) => {
                handler::quest::send_quest_category_list(id, &self.quests)?
            },
            RecvShipPacket::QuestFileRequest(quest_file_request) => {
                handler::quest::quest_file_request(id, quest_file_request, &self.quests)?
            },
            RecvShipPacket::QuestChunkAck(quest_chunk_ack) => {
                handler::quest::quest_chunk_ack(id, quest_chunk_ack, &self.quests)?
            },
            RecvShipPacket::DoneLoadingQuest(_) => {
                let block = self.blocks.with_client(id, &self.clients)?;
                handler::quest::done_loading_quest(id, &mut self.clients, &block.client_location)?
            },
            RecvShipPacket::FullCharacterData(_full_character_data) => {
                Box::new(None.into_iter())
            },
            RecvShipPacket::SaveOptions(save_options) => {
                handler::settings::save_options(id, save_options, &mut self.clients, &mut self.entity_gateway).await
            },
            RecvShipPacket::RequestShipList(_) => {
                handler::ship::ship_list(id, &self.ship_list)
            },
            RecvShipPacket::RequestShipBlockList(_) => {
                handler::ship::block_list(id, &self.name, self.blocks.0.len())
            },
            RecvShipPacket::ItemsToTrade(items_to_trade) => {
                let block = self.blocks.with_client(id, &self.clients)?;
                handler::trade::items_to_trade(id, items_to_trade, &block.client_location, &mut self.clients, &mut self.item_manager, &mut self.trades).await?
            },
            RecvShipPacket::TradeConfirmed(_) => {
                let block = self.blocks.with_client(id, &self.clients)?;
                handler::trade::trade_confirmed(id, &mut self.entity_gateway, &block.client_location, &mut self.clients, &mut self.item_manager, &mut self.trades).await?
            },
        })
    }

    async fn on_disconnect(&mut self, id: ClientId) -> Result<Vec<(ClientId, SendShipPacket)>, anyhow::Error> {
        let client = self.clients.get(&id).ok_or(ShipError::ClientNotFound(id))?;
        let block = self.blocks.with_client(id, &self.clients)?;
        let area_client = block.client_location.get_local_client(id)?;
        let neighbors = block.client_location.get_client_neighbors(id)?;

        let pkt = match block.client_location.get_area(id)? {
            RoomLobby::Room(room) => {
                if neighbors.is_empty() {
                    block.rooms[room.0] = None;
                }
                let leader = block.client_location.get_room_leader(room)?;
                SendShipPacket::LeaveRoom(LeaveRoom::new(area_client.local_client.id(), leader.local_client.id()))
            },
            RoomLobby::Lobby(lobby) => {
                let leader = block.client_location.get_lobby_leader(lobby)?;
                SendShipPacket::LeaveLobby(LeaveLobby::new(area_client.local_client.id(), leader.local_client.id()))
            }
        };

        if let Some(shipgate_sender) = self.shipgate_sender.as_ref() {
            shipgate_sender(ShipMessage::RemoveUser(client.user.id));
        }

        block.client_location.remove_client_from_area(id);
        self.item_manager.remove_character_from_room(&client.character);

        if let Some(mut client) = self.clients.remove(&id) {
            client.user.at_ship = false;
            self.entity_gateway.save_user(&client.user).await;
        }

        Ok(neighbors.into_iter().map(|n| {
            (n.client, pkt.clone())
        }).collect())
    }
}


#[async_trait::async_trait]
impl<EG: EntityGateway> InterserverActor for ShipServerState<EG> {
    type SendMessage = ShipMessage;
    type RecvMessage = LoginMessage;
    type Error = ();

    async fn on_connect(&mut self, id: ServerId) -> Vec<(ServerId, Self::SendMessage)> {
        vec![
            (id, ShipMessage::Authenticate(self.auth_token.clone())),
            (id, ShipMessage::NewShip(Ship {
                name: self.name.clone(),
                ip: self.ip,
                port: self.port,
                block_count: 2,
            })),
            (id, ShipMessage::RequestShipList)
        ]
    }

    async fn action(&mut self, id: ServerId, msg: Self::RecvMessage) -> Result<Vec<(ServerId, Self::SendMessage)>, Self::Error> {
        match msg {
            LoginMessage::SendMail{..} => {
                Ok(Vec::new())
            },
            LoginMessage::ShipList{ships} => {
                self.ship_list = ships;
                Ok(Vec::new())
            },
            LoginMessage::RequestUsers => {
                Ok(self.clients.iter()
                   .map(|(_, client)| {
                       (id, ShipMessage::AddUser(client.user.id))
                   })
                   .collect())
            }
        }
    }

    async fn on_disconnect(&mut self, _id: ServerId) -> Vec<(ServerId, Self::SendMessage)> {
        Vec::new()
    }
}