// You may comment out any events you don't need to save space. Make sure to
// delete them from eventInitializers as well.

export interface IEvent {
  get_name(): string;
  get_args(): unknown[];
}

export class CharEvent implements IEvent {
  public character = "";
  public get_name() {
    return "char";
  }
  public get_args() {
    return [this.character];
  }
  public static init(args: unknown[]): IEvent | undefined {
    if (!(typeof args[0] === "string") || args[0] != "char") return undefined;
    const ev = new CharEvent();
    ev.character = args[1] as string;
    return ev;
  }
}

export class KeyEvent implements IEvent {
  public key: Key = 0;
  public isHeld = false;
  public isUp = false;
  public get_name() {
    return this.isUp ? "key_up" : "key";
  }
  public get_args() {
    return [this.key, this.isUp ? undefined : this.isHeld];
  }
  public static init(args: unknown[]): IEvent | undefined {
    if (
      !(typeof args[0] === "string") ||
      (args[0] != "key" && args[0] != "key_up")
    )
      return undefined;
    const ev = new KeyEvent();
    ev.key = args[1] as number;
    ev.isUp = (args[0] as string) == "key_up";
    ev.isHeld = ev.isUp ? false : (args[2] as boolean);
    return ev;
  }
}

export class PasteEvent implements IEvent {
  public text = "";
  public get_name() {
    return "paste";
  }
  public get_args() {
    return [this.text];
  }
  public static init(args: unknown[]): IEvent | undefined {
    if (!(typeof args[0] === "string") || args[0] != "paste") return undefined;
    const ev = new PasteEvent();
    ev.text = args[1] as string;
    return ev;
  }
}

export class TimerEvent implements IEvent {
  public id = 0;
  public isAlarm = false;
  public get_name() {
    return this.isAlarm ? "alarm" : "timer";
  }
  public get_args() {
    return [this.id];
  }
  public static init(args: unknown[]): IEvent | undefined {
    if (
      !(typeof args[0] === "string") ||
      (args[0] != "timer" && args[0] != "alarm")
    )
      return undefined;
    const ev = new TimerEvent();
    ev.id = args[1] as number;
    ev.isAlarm = args[0] == "alarm";
    return ev;
  }
}

export class TaskCompleteEvent implements IEvent {
  public id = 0;
  public success = false;
  public error: string | undefined = undefined;
  public params: unknown[] = [];
  public get_name() {
    return "task_complete";
  }
  public get_args() {
    if (this.success) return [this.id, this.success].concat(this.params as []);
    else return [this.id, this.success, this.error];
  }
  public static init(args: unknown[]): IEvent | undefined {
    if (!(typeof args[0] === "string") || args[0] != "task_complete")
      return undefined;
    const ev = new TaskCompleteEvent();
    ev.id = args[1] as number;
    ev.success = args[2] as boolean;
    if (ev.success) {
      ev.error = undefined;
      ev.params = args.slice(3);
    } else {
      ev.error = args[3] as string;
      ev.params = [];
    }
    return ev;
  }
}

export class RedstoneEvent implements IEvent {
  public get_name() {
    return "redstone";
  }
  public get_args() {
    return [];
  }
  public static init(args: unknown[]): IEvent | undefined {
    if (!(typeof args[0] === "string") || args[0] != "redstone")
      return undefined;
    const ev = new RedstoneEvent();
    return ev;
  }
}

export class TerminateEvent implements IEvent {
  public get_name() {
    return "terminate";
  }
  public get_args() {
    return [];
  }
  public static init(args: unknown[]): IEvent | undefined {
    if (!(typeof args[0] === "string") || args[0] != "terminate")
      return undefined;
    const ev = new TerminateEvent();
    return ev;
  }
}

export class DiskEvent implements IEvent {
  public side = "";
  public eject = false;
  public get_name() {
    return this.eject ? "disk_eject" : "disk";
  }
  public get_args() {
    return [this.side];
  }
  public static init(args: unknown[]): IEvent | undefined {
    if (
      !(typeof args[0] === "string") ||
      (args[0] != "disk" && args[0] != "disk_eject")
    )
      return undefined;
    const ev = new DiskEvent();
    ev.side = args[1] as string;
    ev.eject = args[0] == "disk_eject";
    return ev;
  }
}

export class PeripheralEvent implements IEvent {
  public side = "";
  public detach = false;
  public get_name() {
    return this.detach ? "peripheral_detach" : "peripheral";
  }
  public get_args() {
    return [this.side];
  }
  public static init(args: unknown[]): IEvent | undefined {
    if (
      !(typeof args[0] === "string") ||
      (args[0] != "peripheral" && args[0] != "peripheral_detach")
    )
      return undefined;
    const ev = new PeripheralEvent();
    ev.side = args[1] as string;
    ev.detach = args[0] == "peripheral_detach";
    return ev;
  }
}

export class RednetMessageEvent implements IEvent {
  public sender = 0;
  public message: unknown;
  public protocol: string | undefined = undefined;
  public get_name() {
    return "rednet_message";
  }
  public get_args() {
    return [this.sender, this.message, this.protocol];
  }
  public static init(args: unknown[]): IEvent | undefined {
    if (!(typeof args[0] === "string") || args[0] != "rednet_message")
      return undefined;
    const ev = new RednetMessageEvent();
    ev.sender = args[1] as number;
    ev.message = args[2];
    ev.protocol = args[3] as string;
    return ev;
  }
}

export class ModemMessageEvent implements IEvent {
  public side = "";
  public channel = 0;
  public replyChannel = 0;
  public message: unknown;
  public distance = 0;
  public get_name() {
    return "modem_message";
  }
  public get_args() {
    return [
      this.side,
      this.channel,
      this.replyChannel,
      this.message,
      this.distance,
    ];
  }
  public static init(args: unknown[]): IEvent | undefined {
    if (!(typeof args[0] === "string") || args[0] != "modem_message")
      return undefined;
    const ev = new ModemMessageEvent();
    ev.side = args[1] as string;
    ev.channel = args[2] as number;
    ev.replyChannel = args[3] as number;
    ev.message = args[4];
    ev.distance = args[5] as number;
    return ev;
  }
}

export class HTTPEvent implements IEvent {
  public url = "";
  public handle: HTTPResponse | undefined = undefined;
  public error: string | undefined = undefined;
  public get_name() {
    return this.error == undefined ? "http_success" : "http_failure";
  }
  public get_args() {
    return [
      this.url,
      this.error ?? this.handle,
      this.error != undefined ? this.handle : undefined,
    ];
  }
  public static init(args: unknown[]): IEvent | undefined {
    if (
      !(typeof args[0] === "string") ||
      (args[0] != "http_success" && args[0] != "http_failure")
    )
      return undefined;
    const ev = new HTTPEvent();
    ev.url = args[1] as string;
    if (args[0] == "http_success") {
      ev.error = undefined;
      ev.handle = args[2] as HTTPResponse;
    } else {
      ev.error = args[2] as string;
      ev.error ??= "";
      ev.handle = args[3] as HTTPResponse;
    }
    return ev;
  }
}

export class WebSocketEvent implements IEvent {
  public handle: WebSocket | undefined = undefined;
  public error: string | undefined = undefined;
  public get_name() {
    return this.error == undefined ? "websocket_success" : "websocket_failure";
  }
  public get_args() {
    return [this.handle ?? this.error];
  }
  public static init(args: unknown[]): IEvent | undefined {
    if (
      !(typeof args[0] === "string") ||
      (args[0] != "websocket_success" && args[0] != "websocket_failure")
    )
      return undefined;
    const ev = new WebSocketEvent();
    if (args[0] == "websocket_success") {
      ev.handle = args[1] as WebSocket;
      ev.error = undefined;
    } else {
      ev.error = args[1] as string;
      ev.handle = undefined;
    }
    return ev;
  }
}

export enum MouseEventType {
  Click,
  Up,
  Scroll,
  Drag,
  Touch,
  Move,
}

export class MouseEvent implements IEvent {
  public button = 0;
  public x = 0;
  public y = 0;
  public side: string | undefined = undefined;
  public type: MouseEventType = MouseEventType.Click;
  public get_name() {
    return {
      [MouseEventType.Click]: "mouse_click",
      [MouseEventType.Up]: "mouse_up",
      [MouseEventType.Scroll]: "mouse_scroll",
      [MouseEventType.Drag]: "mouse_drag",
      [MouseEventType.Touch]: "monitor_touch",
      [MouseEventType.Move]: "mouse_move",
    }[this.type];
  }
  public get_args() {
    return [
      this.type == MouseEventType.Touch ? this.side : this.button,
      this.x,
      this.y,
    ];
  }
  public static init(args: unknown[]): IEvent | undefined {
    if (!(typeof args[0] === "string")) return undefined;
    const ev = new MouseEvent();
    const type = args[0];
    if (type == "mouse_click") {
      ev.type = MouseEventType.Click;
      ev.button = args[1] as number;
      ev.side = undefined;
    } else if (type == "mouse_up") {
      ev.type = MouseEventType.Up;
      ev.button = args[1] as number;
      ev.side = undefined;
    } else if (type == "mouse_scroll") {
      ev.type = MouseEventType.Scroll;
      ev.button = args[1] as number;
      ev.side = undefined;
    } else if (type == "mouse_drag") {
      ev.type = MouseEventType.Drag;
      ev.button = args[1] as number;
      ev.side = undefined;
    } else if (type == "monitor_touch") {
      ev.type = MouseEventType.Touch;
      ev.button = 0;
      ev.side = args[1] as string;
    } else if (type == "mouse_move") {
      ev.type = MouseEventType.Move;
      ev.button = args[1] as number;
      ev.side = undefined;
    } else return undefined;
    ev.x = args[2] as number;
    ev.y = args[3] as number;
    return ev;
  }
}

export class ResizeEvent implements IEvent {
  public side: string | undefined = undefined;
  public get_name() {
    return this.side == undefined ? "term_resize" : "monitor_resize";
  }
  public get_args() {
    return [this.side];
  }
  public static init(args: unknown[]): IEvent | undefined {
    if (
      !(typeof args[0] === "string") ||
      (args[0] != "term_resize" && args[0] != "monitor_resize")
    )
      return undefined;
    const ev = new ResizeEvent();
    if (args[0] == "monitor_resize") ev.side = args[1] as string;
    else ev.side = undefined;
    return ev;
  }
}

export class TurtleInventoryEvent implements IEvent {
  public get_name() {
    return "turtle_inventory";
  }
  public get_args() {
    return [];
  }
  public static init(args: unknown[]): IEvent | undefined {
    if (!(typeof args[0] === "string") || args[0] != "turtle_inventory")
      return undefined;
    const ev = new TurtleInventoryEvent();
    return ev;
  }
}

class SpeakerAudioEmptyEvent implements IEvent {
  public side = "";
  public get_name() {
    return "speaker_audio_empty";
  }
  public get_args() {
    return [this.side];
  }
  public static init(args: unknown[]): IEvent | undefined {
    if (!(typeof args[0] === "string") || args[0] != "speaker_audio_empty")
      return undefined;
    const ev = new SpeakerAudioEmptyEvent();
    ev.side = args[1] as string;
    return ev;
  }
}

class ComputerCommandEvent implements IEvent {
  public args: string[] = [];
  public get_name() {
    return "computer_command";
  }
  public get_args() {
    return this.args;
  }
  public static init(args: unknown[]): IEvent | undefined {
    if (!(typeof args[0] === "string") || args[0] != "computer_command")
      return undefined;
    const ev = new ComputerCommandEvent();
    ev.args = args.slice(1) as string[];
    return ev;
  }
}

/*
class Event implements IEvent {

    public get_name() {return "";}
    public get_args() {return [(: any)];}
    public static init(args: any[]): IEvent | undefined {
        if (!(typeof args[0] === "string") || (args[0] as string) != "") return undefined;
        let ev: Event;

        return ev;
    }
}
*/

export class ChatBoxEvent implements IEvent {
  public username = "";
  public message = "";
  public uuid = "";
  public isHidden = false;
  public messageUtf8 = "";

  public get_name() {
    return "chat";
  }
  public get_args() {
    return [
      this.username,
      this.message,
      this.uuid,
      this.isHidden,
      this.messageUtf8,
    ];
  }
  public static init(args: unknown[]): IEvent | undefined {
    if (!(typeof args[0] === "string") || args[0] != "chat") return undefined;
    const ev = new ChatBoxEvent();
    ev.username = args[1] as string;
    ev.message = args[2] as string;
    ev.uuid = args[3] as string;
    ev.isHidden = args[4] as boolean;
    ev.messageUtf8 = args[5] as string;
    return ev;
  }
}

export class GenericEvent implements IEvent {
  public args: unknown[] = [];
  public get_name() {
    return this.args[0] as string;
  }
  public get_args() {
    return this.args.slice(1);
  }
  public static init(args: unknown[]): IEvent | undefined {
    const ev = new GenericEvent();
    ev.args = args;
    return ev;
  }
}

const eventInitializers: ((args: unknown[]) => IEvent | undefined)[] = [
  (args) => CharEvent.init(args),
  (args) => KeyEvent.init(args),
  (args) => PasteEvent.init(args),
  (args) => TimerEvent.init(args),
  (args) => TaskCompleteEvent.init(args),
  (args) => RedstoneEvent.init(args),
  (args) => TerminateEvent.init(args),
  (args) => DiskEvent.init(args),
  (args) => PeripheralEvent.init(args),
  (args) => RednetMessageEvent.init(args),
  (args) => ModemMessageEvent.init(args),
  (args) => HTTPEvent.init(args),
  (args) => WebSocketEvent.init(args),
  (args) => MouseEvent.init(args),
  (args) => ResizeEvent.init(args),
  (args) => TurtleInventoryEvent.init(args),
  (args) => SpeakerAudioEmptyEvent.init(args),
  (args) => ComputerCommandEvent.init(args),
  (args) => ChatBoxEvent.init(args),
  (args) => GenericEvent.init(args),
];

type Constructor<T> = new (...args: unknown[]) => T;
export function pullEventRaw(
  filter: string | undefined = undefined,
): IEvent | undefined {
  const args = table.pack(...coroutine.yield(filter));
  for (const init of eventInitializers) {
    const ev = init(args);
    if (ev != undefined) return ev;
  }
  return GenericEvent.init(args);
}
export function pullEvent(
  filter: string | undefined = undefined,
): IEvent | undefined {
  const ev = pullEventRaw(filter);
  if (ev instanceof TerminateEvent) throw Error("Terminated");
  return ev;
}
export function pullEventRawAs<T extends IEvent>(
  type: Constructor<T>,
  filter: string | undefined = undefined,
): T | undefined {
  const ev = pullEventRaw(filter);
  if (ev instanceof type) return ev;
  else return undefined;
}
export function pullEventAs<T extends IEvent>(
  type: Constructor<T>,
  filter: string | undefined = undefined,
): T | undefined {
  const ev = pullEvent(filter);
  if (ev instanceof type) return ev;
  else return undefined;
}