export enum ObjectType {
  AXIS_LINEAR = 'AXIS_LINEAR',
  AXIS_ROTARY = 'AXIS_ROTARY',
  CYLINDER = 'CYLINDER',
  SWITCH = 'SWITCH',
  LED = 'LED',
}

export interface Vec3 {
  x: number;
  y: number;
  z: number;
}

export interface BaseObject {
  id: string;
  name: string;
  type: ObjectType;
  position: Vec3;
  rotation: Vec3; // Euler angles in radians
}

export interface AxisPositionTrigger {
  id: string;
  position: number;
  condition: '>' | '<';
  targetInputPort: number; // Sets this Input bit when condition met
}

export interface AxisData {
  id: number; // 0-7
  name: string;
  value: number;
  target: number;
  speed: number;
  type: 'linear' | 'rotary';
}

export interface AxisObject extends BaseObject {
  type: ObjectType.AXIS_LINEAR | ObjectType.AXIS_ROTARY;
  axisIndex: number; // 0-7, Binds to Global Axis
  min: number;
  max: number;
  triggers: AxisPositionTrigger[]; // Triggers still belong to the physical object placement
}

export interface CylinderObject extends BaseObject {
  type: ObjectType.CYLINDER;
  stroke: number;
  extended: boolean;
  currentPosition: number;
  speed: number;
  outputPort: number; // Reads this Output bit to extend
}

export interface SwitchObject extends BaseObject {
  type: ObjectType.SWITCH;
  isOn: boolean;
  isMomentary: boolean;
  inputPort: number; // Sets this Input bit when pressed
}

export interface LedObject extends BaseObject {
  type: ObjectType.LED;
  isOn: boolean;
  color: string;
  outputPort: number; // Reads this Output bit to turn on
}

// Memory Map Constants
export const MEMORY_SIZE = 10000;
export const ADDR_USER_START = 0;
export const ADDR_USER_END = 7999;
export const ADDR_AXIS_BASE = 8000;
export const ADDR_AXIS_STRIDE = 100;

// Axis Memory Layout (Offsets from Axis Base)
export const OFF_AXIS_STATUS = 0; // Uint16
export const OFF_AXIS_CURRENT_POS = 2; // Float32
export const OFF_AXIS_TARGET_POS = 6; // Float32
export const OFF_AXIS_SPEED = 10; // Float32
export const OFF_AXIS_ACCEL = 14; // Float32
export const OFF_AXIS_DECEL = 18; // Float32

export type SimObject = AxisObject | CylinderObject | SwitchObject | LedObject;

// Logic Types
export enum LogicTriggerType {
  INPUT_BIT = 'INPUT_BIT',
  AXIS_COMPARE = 'AXIS_COMPARE', // Deprecated in favor of MEM_COMPARE, but kept for compatibility
  MEM_COMPARE = 'MEM_COMPARE',
}

export enum LogicActionType {
  OUTPUT_COIL = 'OUTPUT_COIL',
  AXIS_MOVE = 'AXIS_MOVE', // Deprecated in favor of Memory Write
  MEM_OPERATION = 'MEM_OPERATION',
}

export enum LogicCondition {
  IS_ON = 'IS_ON',
  IS_OFF = 'IS_OFF',
  GREATER = '>',
  LESS = '<',
  EQUAL = '==',
  GREATER_EQUAL = '>=',
  LESS_EQUAL = '<=',
}

export enum LogicMathOp {
  SET = '=',
  ADD = '+',
  SUB = '-',
}

export enum LogicAction {
  SET_ON = 'ON',
  SET_OFF = 'OFF',
  TOGGLE = 'TOGGLE',
  MOVE_ABS = 'MOVE_ABS', // Legacy
  MOVE_REL = 'MOVE_REL', // Legacy
}

export interface IOLogicRule {
  id: string;
  enabled: boolean;

  // Trigger
  triggerType: LogicTriggerType;
  inputPort: number; // For INPUT_BIT

  // Axis/Memory Trigger
  triggerAxisIndex: number; // For AXIS_COMPARE (Legacy)
  triggerCompareOp: LogicCondition; // >, <, ==
  triggerValue: number; // For AXIS_COMPARE (Legacy) or MEM_COMPARE Constant

  triggerAddress: number; // For MEM_COMPARE (Address to check)

  // Action
  actionType: LogicActionType;
  outputPort: number; // For OUTPUT_COIL
  action: LogicAction; // For OUTPUT_COIL

  // Axis Action (Legacy)
  targetAxisIndex: number;
  targetAxisValue: number;

  // Memory Action
  memAddress: number; // Address to write to
  memOperation: LogicMathOp; // =, +, -
  memOperandValue: number; // Value to add/sub/set
}

// Full Project Export Type
export interface ProjectData {
  version: string;
  objects: SimObject[];
  logicRules: IOLogicRule[];
  inputNames: string[];
  outputNames: string[];
  axes: AxisData[];
  // Memory snapshot could be large, maybe store only non-zero or user logic?
  // For now, we won't persist full RAM, only config.
}