// Wire events: what external watchers POST to the daemon (see /schema/event.schema.json).
// This module is the only place wire shapes become engine EventDefs — the daemon
// stays dumb pipes; mapping wire types onto scoring templates is policy, so it lives here.

import { EVENTS } from "./events";
import type { EventDef, EventScores, SourceId } from "./types";

export interface WireEvent {
  id?: string;
  ts?: string;
  source: "claude" | "build" | "mail" | "discord" | "calendar" | "browser";
  type: string;
  title: string;
  summary?: string;
  payload?: Record<string, unknown>;
}

/** Keep in lockstep with event.schema.json — pinned by a parity test. */
export const WIRE_SOURCES = ["claude", "build", "mail", "discord", "calendar", "browser"] as const;
export const WIRE_REQUIRED = ["source", "type", "title"] as const;
export const WIRE_OPTIONAL = ["id", "ts", "summary", "payload"] as const;

export function isWireEvent(v: unknown): v is WireEvent {
  if (typeof v !== "object" || v === null) return false;
  const o = v as Record<string, unknown>;
  return (
    typeof o.source === "string" &&
    (WIRE_SOURCES as readonly string[]).includes(o.source) &&
    typeof o.type === "string" &&
    o.type.length > 0 &&
    typeof o.title === "string" &&
    o.title.length > 0
  );
}

const SOURCE_IDS: Record<WireEvent["source"], SourceId> = {
  claude: "Claude",
  build: "Build",
  mail: "Mail",
  discord: "Discord",
  calendar: "Calendar",
  browser: "Browser",
};

// (source, type) → the sim-deck event whose base scores fit. Real events borrow
// the deck's tuned scoring + memory seeds; only the words change.
// Exported for the drift test: every value must name a real deck event.
export const TEMPLATES: Record<string, string> = {
  "claude/task_completed": "claude_done",
  "claude/stop": "claude_done",
  "claude/notification": "claude_done",
  "claude/permission_needed": "claude_permission",
  // a failed Claude turn borrows the failing-build urgency profile
  "claude/failed": "build_fail",
  "build/passed": "build_done",
  "build/failed": "build_fail",
  "build/tests_failed": "build_fail",
  "mail/important": "mail_important",
  "mail/statement": "mail_finance",
  "discord/mention": "discord_mention",
  "discord/noise": "discord_noise",
  "calendar/soon": "calendar_soon",
  "browser/stale_tab": "stale_tab",
  "browser/new_page": "browser_newpage",
  "browser/rabbit_hole": "browser_rabbithole",
};

// unknown (source, type): middling everything — surfaces as a scroll/glow, never an interrupt
const FALLBACK_SCORES: EventScores = { urgency: 50, relevance: 60, novelty: 55, annoyance: 30, interest: 60 };

/** Wrap a wire event in an EventDef the engine can score and voice. */
export function toEventDef(w: WireEvent): EventDef {
  const template = EVENTS.find((e) => e.id === TEMPLATES[`${w.source}/${w.type}`]);
  const line = w.summary ? `${w.title} — ${w.summary}` : w.title;
  return {
    id: w.id ?? `wire_${w.source}_${w.type}`,
    source: SOURCE_IDS[w.source],
    // real events have no sim window to fly to; the shell decides where Puck goes
    target: null,
    glyph: template?.glyph ?? "✦",
    title: w.title,
    base: template?.base ?? FALLBACK_SCORES,
    effect: "none",
    // real titles speak for themselves; tier flavor comes from the template's framing
    lines: {
      plain: line,
      playful: template ? `Word from the ${w.source} realm: ${line}` : line,
      mythic: template ? `An omen from ${w.source}: ${line}` : line,
    },
    memory: template?.memory ?? {
      text: `Vu gets real ${w.source} events now. Watch how he reacts.`,
      type: "pattern",
      icon: "🪶",
    },
  };
}