import { z } from 'zod';
import { STREAMING_SERVICES } from './services';

export const usernameSchema = z
  .string()
  .trim()
  .toLowerCase()
  .regex(/^[a-z0-9_]{3,32}$/, 'Username must be 3-32 characters: letters, numbers, underscores');

// Trim before validating: iOS keyboards often append a space after autocompleting an email.
const emailSchema = z.string().trim().toLowerCase().pipe(z.email());

export const registerSchema = z.object({
  username: usernameSchema,
  email: emailSchema,
  password: z.string().min(8, 'Password must be at least 8 characters').max(200),
});

export const loginSchema = z.object({
  email: emailSchema,
  password: z.string().min(1).max(200),
});

export const updateMeSchema = z.object({
  displayName: z.string().trim().max(64).nullable().optional(),
  bio: z.string().trim().max(280).nullable().optional(),
  avatarUrl: z.url().max(500).nullable().optional(),
  preferredService: z.enum(STREAMING_SERVICES).nullable().optional(),
});

export const setFeaturedSchema = z.union([
  z.object({ deezerId: z.string().regex(/^\d+$/), comment: z.string().trim().max(280).nullable().optional() }),
  z.object({ trackId: z.uuid(), comment: z.string().trim().max(280).nullable().optional() }),
]);

export const connectUsernameSchema = z.object({
  username: z.string().trim().min(1).max(64),
});

export type RegisterInput = z.infer<typeof registerSchema>;
export type LoginInput = z.infer<typeof loginSchema>;
export type UpdateMeInput = z.infer<typeof updateMeSchema>;
export type SetFeaturedInput = z.infer<typeof setFeaturedSchema>;

export const jellyfinConnectSchema = z.object({
  serverUrl: z.string().trim().min(1).max(500),
  username: z.string().trim().min(1).max(128),
  password: z.string().max(256).default(''),
});