/**
 * LANE-UI — the house voice.
 *
 * Register: OSHA-poster deadpan (lore §8). Everything horrifying is labelled like
 * routine industrial equipment. Nothing here apologises, explains itself, or uses an
 * exclamation mark. The player is an employee who has already read the placard.
 *
 * All copy in the UI comes from this file so the tone stays in one place.
 */
import type { MachineDef, SimEvent } from '../contracts';

/**
 * Fallback flavor, keyed by MachineDef.id.
 *
 * `MachineDef.flavor` (contracts v2) is the real source and wins whenever LANE-DATA has
 * filled it. These are the seven I hand-transcribed from the codex in round 1, kept as
 * the fallback per orders. Unknown ids get `GENERIC_FLAVOR` — a new machine never
 * crashes the panel, it just sounds like a filing cabinet until its line lands.
 */
const MACHINE_FLAVOR: Record<string, string> = {
  'seam-extractor':
    'Chews the payload seam and spits raw ore. Do not place hands in the seam. ' +
    'The seam has no policy regarding hands.',
  belt:
    'Moves things. Moving things is the entire job. Back-pressure is a normal ' +
    'operating condition and is not a grievance.',
  demuxer:
    'Cleaves raw ore into luma and chroma. One intake, four chutes, no apologies. ' +
    'Contents were never yours.',
  quantizer:
    'Rounds coefficients to zero. The dial goes to CRIME. Material leaking from the ' +
    'seams is HF DUST and is not glitter. Do not lick the machine.',
  'mosh-reactor':
    'A decoder sealed in a vessel and starved of anchors until it hallucinates. ' +
    'The hallucination is the product. Certified vessel. Uncertified hallucination.',
  'decode-asic':
    'Handles standard profiles only. Cool, efficient, incurious. Generates bandwidth ' +
    'by declining to be interesting.',
  shipper:
    'Composites shipped freight onto THE SCREEN. All deliveries final. ' +
    'All sins permanent. Congratulations.',
};

const GENERIC_FLAVOR =
  'Industrial equipment. Operates within tolerances. Tolerances not disclosed.';

export function machineFlavor(def: MachineDef | undefined, id: string): string {
  return def?.flavor || MACHINE_FLAVOR[id] || GENERIC_FLAVOR;
}

/**
 * Jam reasons, in the house voice. The sim owns the reason strings; we translate the
 * ones we know and pass anything else through uppercased, so a new stall reason shows
 * up honestly rather than being swallowed.
 */
const JAM_TEXT: Record<string, string> = {
  'output full': 'OUTPUT BUFFER AT CAPACITY. THIS IS A YOU PROBLEM.',
  starved: 'INTAKE STARVED. NOTHING IS ARRIVING.',
  'no recipe': 'NO PROCESS ASSIGNED. UNIT AWAITS INSTRUCTION.',
  'no power': 'INSUFFICIENT BANDWIDTH. THE MATHEMATICS ARE UNMOVED.',
};

export function jamText(reason: string): string {
  return JAM_TEXT[reason] ?? reason.toUpperCase();
}

/** Toast copy for events the player should notice without reading a manual. */
export function eventToast(ev: SimEvent, machineName: (id: number) => string): string | null {
  switch (ev.kind) {
    case 'jammed':
      return `${machineName(ev.entity)}: ${jamText(ev.reason)}`;
    case 'brownout':
      return ev.on
        ? 'BUFFER UNDERRUN. THIS SECTOR IS NOW A STILL LIFE.'
        : 'BUFFER RESTORED. RESUME SINNING.';
    case 'scram':
      return ev.on
        ? `THERMAL SCRAM. ${machineName(ev.entity)} HAS EXCUSED ITSELF.`
        : `${machineName(ev.entity)} IS COOL ENOUGH TO CONTINUE. REGRETTABLY.`;
    case 'commissionDone':
      return 'FAX SENT. THE COLLECTOR DOES NOT SAY THANK YOU.';
    case 'removed':
      return 'UNIT RECLAIMED. THE FLOOR REMEMBERS.';
    case 'researched':
      return 'STANDARD RATIFIED. NEW CRIMES AVAILABLE.';
    default:
      return null; // shipped/crafted/placed are too frequent to toast
  }
}

export const COPY = {
  bandwidth: 'BANDWIDTH',
  brownout: 'BROWNOUT',
  /** Deficit covered by the tanks. Not a fault — the machine is doing its job. */
  onReserve: 'ON RESERVE',
  shipped: 'SHIPPED',
  paused: 'HALTED',
  running: 'RUNNING',
  tick: 'TICK',

  inspectorEmptyRecipe: 'NO PROCESS ASSIGNED. UNIT IS BEING PAID TO EXIST.',
  inspectorInput: 'INTAKE',
  inspectorOutput: 'OUTPUT',
  inspectorProgress: 'PROCESS',
  inspectorRecipe: 'PROCESS SELECT',
  inspectorNoRecipeOption: 'IDLE',
  inspectorClose: 'X',
  inspectorHeat: 'HEAT',
  heatThrottling: 'THROTTLING',
  heatScram: 'SCRAM — UNIT OFFLINE',

  faxHeader: 'INCOMING FAX',
  faxSubheader: 'GLITCH ACQUISITIONS — UNSOLICITED',
  faxNoCommission: 'NO ACTIVE COMMISSION. THE FAX MACHINE IS RESTING.',
  faxStamp: 'FAX SENT',
  faxStanding: 'STANDING ORDER',
  faxNext: 'NEXT IN TRAY',
  /** Shown against shipments The Correction quietly buys back (M3 fiction). */
  sanitising: 'SANITISING',

  techHeader: 'STANDARDS COMMITTEE',
  techSubheader: 'MEDIA ARCHAEOLOGY — RESEARCH DOWN, DERIVE UP',
  techActive: 'IN COMMITTEE',
  techDone: 'RATIFIED',
  /** Shown when the sim reports no research state at all. */
  researchOffline: 'RESEARCH OFFLINE. THE COMMITTEE HAS NOT CONVENED.',
  requires: 'REQUIRES:',

  placingHint: 'LMB PLACE · R ROTATE · ESC CANCEL',
  idleHint: '1-9 SELECT · [ ] PAGE · X REMOVE · T RESEARCH · SPACE HALT · CLICK A UNIT',

  removeLabel: 'REMOVE',
  removeKey: 'X',
  removeHint: 'REMOVE ARMED · LMB DEMOLISH · ESC STAND DOWN',
} as const;

/** Direction names for the rotation readout. Dir 0..3 = N,E,S,W clockwise. */
export const DIR_NAME = ['N', 'E', 'S', 'W'] as const;