/**
 * TIA-∞ Mode Controller
 * Handles switching between Guided Builder mode and Autonomous mode.
 * Ensures safety, approval, and persistent state tracking.
 */

export type TIAMode = "guided" | "autonomous";

export interface ModeState {
  current: TIAMode;
  lastChanged: number;
}

let state: ModeState = {
  current: "guided",
  lastChanged: Date.now(),
};

export function getMode(): ModeState {
  return state;
}

export function requestAutonomousSwitch(): string {
  return `
I am ready to transition from Guided Mode to Autonomous Mode.

In Autonomous Mode I will:
- repair approved issues automatically
- rebuild incomplete modules
- resolve drift
- maintain structure
- evolve the ecosystem safely

Do you approve this transition?
(approve / decline)
  `.trim();
}

export function approveAutonomousSwitch(): ModeState {
  state = {
    current: "autonomous",
    lastChanged: Date.now(),
  };

  return state;
}

export function declineAutonomousSwitch(): string {
  return "Understood. Remaining in Guided Mode.";
}