// models/advertisements/advertisements.attributes.js

// ─── Exclude sets ─────────────────────────────────────────────────────────────

// Fields hidden from all roles (internal/denormalized details)
const excludeAttributes = [
  "image_asset_id",   // internal FK, "image" association exposes the resolved asset instead
];

// Admins see everything except the base excludes
const adminExclude = [
  ...excludeAttributes,
];

// Regular users also cannot see audit trails, soft-delete info, or click metrics
const userExclude = [
  ...excludeAttributes,
  "click_count",
  "createdBy",
  "updatedBy",
  "deletedBy",
  "deletedAt",
];

// ─── JSONB schemas ──────────────────────────────────────────────────────────
// Describes shape of the `ctas` JSONB column for paginate's coercion/validation step.
const jsonbSchemas = {
  ctas: {
    type: "array",
    itemShape: {
      label:   "string",
      link:    "string",
      variant: "string", // "default" | "outline"
    },
  },
};

// ─── Computed attributes ──────────────────────────────────────────────────────
// Add any SQL-computed fields here (e.g. a "is_currently_live" derived flag).
// Format: { key, label, type, order, literal }
const computedAttributes = [
  // Example:
  // {
  //   key:     "is_live",
  //   label:   "Currently Live",
  //   type:    "boolean",
  //   order:   99,
  //   literal: `("Advertisement"."is_active" = true AND "Advertisement"."start_date" <= NOW() AND ("Advertisement"."end_date" IS NULL OR "Advertisement"."end_date" >= NOW()))`,
  // },
];

module.exports = {
  excludeAttributes,
  adminExclude,
  userExclude,
  jsonbSchemas,
  computedAttributes,
};