import type { FromSchema } from 'json-schema-to-ts';
import { mediaRefSchema } from './media';

const USERNAME_PATTERN = '^[a-zA-Z0-9_]{3,32}$';

export const createDirectBodySchema = {
  type: 'object',
  additionalProperties: false,
  required: ['username'],
  properties: {
    username: { type: 'string', pattern: USERNAME_PATTERN },
  },
} as const;

export const createGroupBodySchema = {
  type: 'object',
  additionalProperties: false,
  required: ['title'],
  properties: {
    title: { type: 'string', minLength: 1, maxLength: 100 },
    members: {
      type: 'array',
      maxItems: 200,
      items: { type: 'string', pattern: USERNAME_PATTERN },
    },
  },
} as const;

export const addMemberBodySchema = {
  type: 'object',
  additionalProperties: false,
  required: ['username'],
  properties: {
    username: { type: 'string', pattern: USERNAME_PATTERN },
  },
} as const;

export const sendMessageBodySchema = {
  type: 'object',
  additionalProperties: false,
  required: ['clientMsgId'],
  properties: {
    // Caption; may be empty for a media-only message.
    content: { type: 'string', maxLength: 16000 },
    clientMsgId: { type: 'string', minLength: 1, maxLength: 64 },
    contentType: { type: 'string', enum: ['text', 'text/ciphertext'] },
    encryption: { type: ['string', 'null'] },
    // Object key returned by the media upload URL + its metadata.
    mediaKey: { type: 'string', minLength: 1, maxLength: 255 },
    media: mediaRefSchema,
  },
} as const;

export const addContactBodySchema = {
  type: 'object',
  additionalProperties: false,
  required: ['username'],
  properties: {
    username: { type: 'string', pattern: USERNAME_PATTERN },
  },
} as const;

export type CreateDirectBody = FromSchema<typeof createDirectBodySchema>;
export type CreateGroupBody = FromSchema<typeof createGroupBodySchema>;
export type AddMemberBody = FromSchema<typeof addMemberBodySchema>;
export type SendMessageBody = FromSchema<typeof sendMessageBodySchema>;
export type AddContactBody = FromSchema<typeof addContactBodySchema>;