/**
 * 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 { SimEvent } from '../contracts';

/**
 * Flavor lines for the inspector, keyed by MachineDef.id.
 *
 * TEMPORARY: hand-transcribed from docs/FKTRY_LORE.md §4 by LANE-UI. These belong in
 * data/machines.json as a `flavor` field owned by LANE-DATA — CONTRACT REQUEST filed in
 * NOTES. Unknown ids fall back to `GENERIC_FLAVOR`, so new machines never crash the
 * panel, they just sound like a filing cabinet until the codex 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(defId: string): string {
  return MACHINE_FLAVOR[defId] ?? GENERIC_FLAVOR;
}

/** 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)} HAS STOPPED. ${ev.reason.toUpperCase()}.`;
    case 'brownout':
      return ev.on
        ? 'BUFFER UNDERRUN. THIS SECTOR IS NOW A STILL LIFE.'
        : 'BUFFER RESTORED. RESUME SINNING.';
    case 'commissionDone':
      return 'FAX SENT. THE COLLECTOR DOES NOT SAY THANK YOU.';
    default:
      return null; // shipped/crafted/placed/removed are too frequent to toast
  }
}

export const COPY = {
  bandwidth: 'BANDWIDTH',
  brownout: 'BROWNOUT',
  shipped: 'SHIPPED',
  paused: 'HALTED',
  running: 'RUNNING',
  tick: 'TICK',

  buildBarTitle: 'REQUISITION',
  inspectorEmptyRecipe: 'NO PROCESS ASSIGNED. UNIT IS BEING PAID TO EXIST.',
  inspectorInput: 'INTAKE',
  inspectorOutput: 'OUTPUT',
  inspectorProgress: 'PROCESS',
  inspectorJamPrefix: 'FAULT: ',
  inspectorClose: 'X',

  faxHeader: 'INCOMING FAX',
  faxSubheader: 'GLITCH ACQUISITIONS — UNSOLICITED',
  faxNoCommission: 'NO ACTIVE COMMISSION. THE FAX MACHINE IS RESTING.',
  faxStamp: 'FAX SENT',

  /** Shown on the build bar when the player has something selected. */
  placingHint: 'LMB PLACE · R ROTATE · ESC CANCEL',
  idleHint: '1-9 SELECT · SPACE HALT · TAB MANIFEST',

  /** Inspector fallback when no entity is under the cursor. */
  manifestEmpty: 'NO UNITS ON RECORD. THE FLOOR IS AUDITED AND EMPTY.',
} 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;