export const EXAMPLE_SCHEMA = JSON.stringify(
  {
    name: 'Example Frame',
    endian: 'big',
    fields: [
      {
        name: 'magic',
        type: 'uint8',
        description: 'Protocol magic byte (0xFF)',
      },
      {
        name: 'payload_len',
        type: 'uint8',
        description: 'Length of payload string',
      },
      {
        name: 'payload',
        type: 'string_fixed',
        length: 5,
        description: 'Fixed-length ASCII payload',
      },
      {
        name: 'raw_data',
        type: 'bytes',
        length: 4,
        description: 'Raw 4-byte data blob',
      },
      {
        name: 'tag',
        type: 'string_fixed',
        length: 4,
        description: 'ASCII tag (ABCD)',
      },
      {
        name: 'checksum',
        type: 'crc32',
        checksum_range: [0, 11],
        description: 'CRC-32 over bytes 0-10',
      },
      {
        name: 'flags',
        type: 'bitflags16',
        description: 'Status flags',
        flags: [
          { bit: 0, name: 'ACK', description: 'Acknowledge' },
          { bit: 1, name: 'SYN', description: 'Synchronise' },
          { bit: 2, name: 'FIN', description: 'Finished' },
          { bit: 7, name: 'ERR', description: 'Error' },
        ],
      },
    ],
  },
  null,
  2,
)

/** Example frame with valid CRC-32 (ISO HDLC) over bytes 0-10 and flags ACK|SYN. */
export const EXAMPLE_HEX = [
  'FF 05 48 65 6C 6C 6F',
  '00 01 02 03',
  '41 42 43 44',
  'E8 6B B6 E1',
  '00 03',
].join('\n')