import { cookies } from 'next/headers';
import {
  VIEW_TENANT_COOKIE,
  VIEW_TENANT_NAME_COOKIE,
  homeTenantId,
  isAgencyRole,
  serviceHeaders,
  supabaseUrl,
  userRole,
} from '@/lib/agency';

export type ResolvedTenant = {
  tenantId: string | null;
  /** true = agency zoomed into one client */
  viaView: boolean;
  /** true = agency with no client selected → all tenants */
  portfolioWide: boolean;
  label: string;
};

export async function resolveActiveTenant(user: {
  app_metadata?: Record<string, unknown>;
  user_metadata?: Record<string, unknown>;
} | null): Promise<ResolvedTenant> {
  const role = userRole(user);
  const cookieStore = await cookies();
  const viewId = cookieStore.get(VIEW_TENANT_COOKIE)?.value || null;
  const viewName = cookieStore.get(VIEW_TENANT_NAME_COOKIE)?.value || null;

  if (isAgencyRole(role) && viewId) {
    return {
      tenantId: viewId,
      viaView: true,
      portfolioWide: false,
      label: viewName || 'Cliente',
    };
  }
  if (isAgencyRole(role) && !viewId) {
    return {
      tenantId: null,
      viaView: false,
      portfolioWide: true,
      label: 'Portafolio (todos los clientes)',
    };
  }
  return {
    tenantId: homeTenantId(user),
    viaView: false,
    portfolioWide: false,
    label:
      (user?.user_metadata?.company as string) ||
      (user?.app_metadata?.company as string) ||
      'Cliente',
  };
}

export async function restGet<T = unknown>(
  path: string
): Promise<{ ok: boolean; data: T | null; error?: string }> {
  const headers = serviceHeaders();
  if (!headers) return { ok: false, data: null, error: 'no service role' };
  const r = await fetch(`${supabaseUrl()}${path}`, {
    headers,
    cache: 'no-store',
  });
  if (!r.ok) {
    return { ok: false, data: null, error: await r.text() };
  }
  return { ok: true, data: (await r.json()) as T };
}