frontend/src/engine/state.ts

import type { FairyState, Memory, Mood, Rating, Taste } from "./types";
import { clamp } from "./util";

export function defaultState(): FairyState {
  return {
    energy: 78,
    mischief: 45,
    protectiveness: 60,
    chattiness: 52,
    curiosity: 80,
    trust: 74,
    attachment: 66,
    ageDays: 4,
    obsession: "forgotten desktops",
  };
}

export function defaultTaste(): Taste {
  return { theatrical: 0.5, terse: 0.5, useful: 0.5, warm: 0.55 };
}

/** Immediate personality nudge from a rating (Night Bloom does the larger drift). */
export function rateFairy(fs: FairyState, rating: Rating): FairyState {
  const n = { ...fs };
  if (rating === "helpful") {
    n.protectiveness = clamp(fs.protectiveness + 2);
    n.attachment = clamp(fs.attachment + 1);
  }
  if (rating === "annoying") n.chattiness = clamp(fs.chattiness - 3);
  if (rating === "cute") n.attachment = clamp(fs.attachment + 1);
  return n;
}

export function moodFor(fs: FairyState): Mood {
  if (fs.energy < 25) return "sleepy";
  if (fs.mischief > 68) return "mischief";
  if (fs.protectiveness > 72) return "proud";
  return "curious";
}

export function seedMemories(): Memory[] {
  return [
    {
      id: "m1",
      text: "Puck is being built for the Hugging Face Build Small hackathon.",
      type: "project",
      icon: "🗝️",
      salience: 0.9,
      pinned: true,
    },
    {
      id: "m2",
      text: "Vu likes agents that are useful but pretend not to be.",
      type: "preference",
      icon: "🌿",
      salience: 0.72,
      pinned: false,
    },
    {
      id: "m3",
      text: "Desktop 2 is the workshop — where code smoke gathers.",
      type: "place",
      icon: "🪶",
      salience: 0.66,
      pinned: false,
    },
    {
      id: "m4",
      text: "Vu distrusts bloated, noisy notifications.",
      type: "aversion",
      icon: "🍄",
      salience: 0.58,
      pinned: false,
    },
  ];
}