/// <reference path="../pb_data/types.d.ts" />
//
// M10 — Add role, shopUserId, and displayName to the users collection.
//
// This enables the RBX (Role-Based Experience). The `role` field determines
// which dashboard and pages the user sees. `shopUserId` links a technician
// account to its shop owner. `displayName` is a friendly name shown in the
// technician profile and advisor assignment views.
//

migrate(
  (db) => {
    const col = db.findCollectionByNameOrId('users');
    if (!col) {
      console.warn('[M10] users collection not found — skipping');
      return;
    }

    // ── role: select ────────────────────────────────────────────────────────
    const existingRole = col.fields.find((f) => f.name === 'role');
    if (!existingRole) {
      const f = new SelectField({
        name: 'role',
        required: false,
        values: ['advisor', 'technician', 'mobile'],
        maxSelect: 1,
      });
      col.fields.add(f);
      console.log('[M10] added role field to users');
    } else {
      console.log('[M10] role already exists — no change');
    }

    // ── shopUserId: text (relation to the shop-owner user) ─────────────────
    const existingShopUser = col.fields.find((f) => f.name === 'shopUserId');
    if (!existingShopUser) {
      const f = new TextField({
        name: 'shopUserId',
        required: false,
      });
      col.fields.add(f);
      console.log('[M10] added shopUserId field to users');
    } else {
      console.log('[M10] shopUserId already exists — no change');
    }

    // ── displayName: text ──────────────────────────────────────────────────
    const existingDisplayName = col.fields.find((f) => f.name === 'displayName');
    if (!existingDisplayName) {
      const f = new TextField({
        name: 'displayName',
        required: false,
      });
      col.fields.add(f);
      console.log('[M10] added displayName field to users');
    } else {
      console.log('[M10] displayName already exists — no change');
    }

    db.save(col);
  },
  (db) => {
    const col = db.findCollectionByNameOrId('users');
    if (!col) return;
    col.fields.remove('role');
    col.fields.remove('shopUserId');
    col.fields.remove('displayName');
    db.save(col);
  }
);