// Visual filler iconography rendered through ComfyUI. Distinct from
// role_scenes.ts (which renders portraits) — these are object/badge
// style renders that fill dead space on worker cards: cert pills,
// role-prop chips, hazard indicators, empty-state heroes.
//
// Layout on disk:
//   data/icons_pool/{category}/{slug}.webp
//
// Cache invalidation:
//   ICONS_VERSION mixes into the on-disk filename (slug includes
//   version). Bump it after editing a recipe so prior renders are
//   ignored on next view.

export type IconCategory = "cert" | "role_prop" | "status" | "hazard" | "empty";

export interface IconRecipe {
  slug: string;
  category: IconCategory;
  // Text label that appears next to / under the icon. The front-end
  // already renders this text in cert pills; the icon is supplementary.
  display: string;
  // Full diffusion prompt. Style guidance baked in. SDXL Turbo at 8
  // steps reliably produces clean macro photography, so default to
  // photographic prop shots over flat-vector illustrations (the model
  // hallucinates noise into flat-vector geometry at low step counts).
  prompt: string;
  // Negative prompt — what NOT to render. Crucial for icons because
  // SDXL likes to add hands/text/people unprompted.
  negative?: string;
}

// Default negative prompt baked into every icon render unless the
// recipe overrides. Empirically, these terms are the top SDXL Turbo
// off-style failures.
export const DEFAULT_NEGATIVE =
  "people, hands, faces, blurry, low quality, watermark, signature, "
  + "logos, copyright, distorted text, garbled letters, multiple objects";

// TODO J — review and tune the prompts here. Each one is what diffusion
// sees verbatim. The visual decision: photographic prop shots (macro
// photo of an actual badge / placard / sticker) vs flat-icon vector
// style. Default below is photographic — matches the worker headshot
// aesthetic. Flip a recipe to flat-vector by replacing "macro photograph"
// with "flat icon illustration on solid color background, minimal vector".
//
// Visual cues that work well in SDXL Turbo at 8 steps:
//   - "macro photograph", "isolated on plain background", "studio lighting"
//   - Concrete colors ("orange and black warning diamond") not adjectives
//   - Avoid: small text in the prompt (model garbles it), specific brand
//     names (creates fake logos), detailed scene composition
const CERT_ICONS: IconRecipe[] = [
  { slug: "osha-10", category: "cert", display: "OSHA-10",
    prompt: "macro photograph of a circular yellow safety badge with a black hard hat icon at center, isolated on neutral grey backdrop, photorealistic, sharp focus, studio lighting" },
  { slug: "osha-30", category: "cert", display: "OSHA-30",
    prompt: "macro photograph of a circular orange safety badge with a black hard hat icon at center, isolated on neutral grey backdrop, photorealistic, sharp focus, studio lighting" },
  { slug: "first-aid-cpr", category: "cert", display: "First Aid/CPR",
    prompt: "macro photograph of a small enamel pin badge featuring a bold red cross on a white circular background, isolated on neutral grey backdrop, photorealistic, sharp focus, studio lighting" },
  { slug: "hazmat", category: "cert", display: "Hazmat",
    prompt: "macro photograph of a HAZMAT warning placard, bold orange and black diamond shape with a flame icon, isolated on neutral grey backdrop, photorealistic, sharp focus, studio lighting" },
  { slug: "forklift", category: "cert", display: "Forklift",
    prompt: "macro photograph of a yellow industrial forklift safety badge with a forklift silhouette icon, isolated on neutral grey backdrop, photorealistic, sharp focus, studio lighting" },
  { slug: "reach-truck", category: "cert", display: "Reach Truck",
    prompt: "macro photograph of a navy blue industrial certification badge with a warehouse reach-truck silhouette icon, isolated on neutral grey backdrop, photorealistic, sharp focus, studio lighting" },
  { slug: "order-picker", category: "cert", display: "Order Picker",
    prompt: "macro photograph of a green industrial certification badge with a warehouse order-picker silhouette icon, isolated on neutral grey backdrop, photorealistic, sharp focus, studio lighting" },
  { slug: "lockout-tagout", category: "cert", display: "Lockout/Tagout",
    prompt: "macro photograph of a bright red padlock tag with a danger warning, hanging on a metal industrial valve, isolated on neutral grey backdrop, photorealistic, sharp focus, studio lighting" },
  { slug: "msds", category: "cert", display: "MSDS",
    prompt: "macro photograph of a folded chemical safety data sheet booklet with chemical hazard pictograms visible on cover, isolated on neutral grey backdrop, photorealistic, sharp focus, studio lighting" },
  { slug: "confined-space", category: "cert", display: "Confined Space",
    prompt: "macro photograph of a yellow confined space warning sign featuring a manhole entry icon, isolated on neutral grey backdrop, photorealistic, sharp focus, studio lighting" },
  { slug: "servsafe", category: "cert", display: "ServSafe",
    prompt: "macro photograph of a dark green food safety certification badge featuring a stylized chef hat icon, isolated on neutral grey backdrop, photorealistic, sharp focus, studio lighting" },
  { slug: "fire-safety", category: "cert", display: "Fire Safety",
    prompt: "macro photograph of a red enamel pin badge featuring a flame icon and a fire extinguisher silhouette, isolated on neutral grey backdrop, photorealistic, sharp focus, studio lighting" },
  { slug: "iso-9001", category: "cert", display: "ISO 9001",
    prompt: "macro photograph of a deep blue circular quality-management certification seal with embossed metallic ring, isolated on neutral grey backdrop, photorealistic, sharp focus, studio lighting" },
];

// Role-band visual chips — small icons that go in the role pill area.
// One per band, optional inline supplement to the existing colored pill.
const ROLE_PROP_ICONS: IconRecipe[] = [
  { slug: "warehouse", category: "role_prop", display: "Warehouse",
    prompt: "macro photograph of a yellow hard hat with a high-visibility safety vest folded behind it, isolated on neutral grey backdrop, photorealistic, sharp focus, studio lighting" },
  { slug: "production", category: "role_prop", display: "Production",
    prompt: "macro photograph of a navy blue work shirt and protective safety glasses on neutral grey backdrop, photorealistic, sharp focus, studio lighting" },
  { slug: "trades", category: "role_prop", display: "Trades",
    prompt: "macro photograph of a leather work glove and a small adjustable wrench on a neutral grey backdrop, photorealistic, sharp focus, studio lighting" },
  { slug: "driver", category: "role_prop", display: "Driver",
    prompt: "macro photograph of a navy delivery driver baseball cap and a clipboard manifest on a neutral grey backdrop, photorealistic, sharp focus, studio lighting" },
  { slug: "lead", category: "role_prop", display: "Lead",
    prompt: "macro photograph of a tablet showing a bar chart and a high-vis vest folded beside it on neutral grey backdrop, photorealistic, sharp focus, studio lighting" },
];

export const ICONS: Record<string, IconRecipe> = Object.fromEntries(
  [...CERT_ICONS, ...ROLE_PROP_ICONS].map((r) => [`${r.category}/${r.slug}`, r]),
);

// v2 — 256×256 canvas, intended to be displayed monochrome via CSS
// `filter: grayscale(1)`. Smaller canvas, tighter crops, crisper at
// 14px display size.
export const ICONS_VERSION = "v2";

// Map a free-form cert string from the data ("First Aid/CPR",
// "OSHA-10", "Lockout/Tagout") to the canonical slug used here.
// Returns null if no recipe matches.
export function certToSlug(cert: string): string | null {
  const c = (cert || "").trim().toLowerCase().replace(/\s+/g, "-");
  if (c === "osha-10") return "osha-10";
  if (c === "osha-30") return "osha-30";
  if (c.startsWith("first") || c.includes("cpr")) return "first-aid-cpr";
  if (c === "hazmat" || c.startsWith("hazwoper")) return "hazmat";
  if (c === "forklift" || c.startsWith("pit")) return "forklift";
  if (c.startsWith("reach")) return "reach-truck";
  if (c.startsWith("order")) return "order-picker";
  if (c.startsWith("lockout") || c.includes("tagout")) return "lockout-tagout";
  if (c === "msds" || c.startsWith("ghs")) return "msds";
  if (c.startsWith("confined")) return "confined-space";
  if (c === "servsafe") return "servsafe";
  if (c.startsWith("fire")) return "fire-safety";
  if (c.startsWith("iso")) return "iso-9001";
  return null;
}