import { z } from 'zod';
import type { NotificationPreferences } from '@/types/notifications';

/**
 * Schema for channel preferences
 */
export const channelPreferencesSchema = z.object({
  in_app: z.boolean(),
  email: z.boolean(),
  push: z.boolean(),
  sms: z.boolean()
});

/**
 * Schema for workflow preferences (dynamic keys)
 */
export const workflowPreferencesSchema = z.record(z.string(), z.boolean());

/**
 * Schema for frequency settings
 */
export const frequencySettingsSchema = z.object({
  digest: z.enum(['realtime', 'hourly', 'daily', 'weekly'] as const),
  max_per_hour: z.number().int().min(1).max(999)
});

/**
 * Complete notification preferences schema
 */
export const notificationPreferencesSchema = z.object({
  channelPreferences: channelPreferencesSchema,
  workflowPreferences: workflowPreferencesSchema,
  frequencySettings: frequencySettingsSchema
});

/**
 * Schema for subscriber data
 */
export const subscriberDataSchema = z.object({
  subscriberId: z.string().uuid('Invalid subscriber ID'),
  email: z.string().email('Invalid email').optional(),
  firstName: z.string().max(100).optional(),
  lastName: z.string().max(100).optional(),
  phone: z.string().max(20).optional(),
  avatar: z.string().url('Invalid avatar URL').optional(),
  data: z.record(z.string(), z.any()).optional()
});

/**
 * Default notification preferences for new users
 */
export const DEFAULT_NOTIFICATION_PREFERENCES: NotificationPreferences = {
  channelPreferences: {
    in_app: true,
    email: true,
    push: false,
    sms: false
  },
  workflowPreferences: {},
  frequencySettings: {
    digest: 'daily',
    max_per_hour: 10
  }
};