# frozen_string_literal: true

# (c) 2018 Ribose Inc.

require 'ffi'

# @api private
module LibRnp
  extend FFI::Library
  ffi_lib 'rnp'

  callback        :rnp_get_key_cb,
                  %i[pointer pointer string string bool],
                  :void
  callback        :rnp_password_cb,
                  %i[pointer pointer pointer string pointer size_t],
                  :bool
  callback        :rnp_input_reader_t,
                  %i[pointer pointer size_t],
                  :ssize_t
  callback        :rnp_output_writer_t,
                  %i[pointer pointer size_t],
                  :bool

  attach_function :rnp_result_to_string,
                  %i[uint32],
                  :string
  attach_function :rnp_ffi_create,
                  %i[pointer string string],
                  :uint32
  attach_function :rnp_ffi_destroy,
                  %i[pointer],
                  :uint32
  attach_function :rnp_ffi_set_log_fd,
                  %i[pointer int],
                  :uint32
  attach_function :rnp_ffi_set_key_provider,
                  %i[pointer rnp_get_key_cb pointer],
                  :uint32
  attach_function :rnp_ffi_set_pass_provider,
                  %i[pointer rnp_password_cb pointer],
                  :uint32
  attach_function :rnp_get_default_homedir,
                  %i[pointer],
                  :uint32
  attach_function :rnp_detect_homedir_info,
                  %i[string pointer pointer pointer pointer],
                  :uint32
  attach_function :rnp_detect_key_format,
                  %i[pointer int pointer],
                  :uint32
  attach_function :rnp_load_keys,
                  %i[pointer string pointer uint32],
                  :uint32
  attach_function :rnp_save_keys,
                  %i[pointer string pointer uint32],
                  :uint32
  attach_function :rnp_get_public_key_count,
                  %i[pointer pointer],
                  :uint32
  attach_function :rnp_get_secret_key_count,
                  %i[pointer pointer],
                  :uint32
  attach_function :rnp_locate_key,
                  %i[pointer string string pointer],
                  :uint32
  attach_function :rnp_key_handle_destroy,
                  %i[pointer],
                  :uint32
  attach_function :rnp_generate_key_json,
                  %i[pointer string pointer],
                  :uint32
  attach_function :rnp_key_get_primary_uid,
                  %i[pointer pointer],
                  :uint32
  attach_function :rnp_key_get_uid_count,
                  %i[pointer pointer],
                  :uint32
  attach_function :rnp_key_get_uid_at,
                  %i[pointer int pointer],
                  :uint32
  attach_function :rnp_key_add_uid,
                  %i[pointer string string uint32 uint8 int],
                  :uint32
  attach_function :rnp_key_get_fprint,
                  %i[pointer pointer],
                  :uint32
  attach_function :rnp_key_get_keyid,
                  %i[pointer pointer],
                  :uint32
  attach_function :rnp_key_get_grip,
                  %i[pointer pointer],
                  :uint32
  attach_function :rnp_key_is_locked,
                  %i[pointer pointer],
                  :uint32
  attach_function :rnp_key_lock,
                  %i[pointer],
                  :uint32
  attach_function :rnp_key_unlock,
                  %i[pointer pointer],
                  :uint32
  attach_function :rnp_key_is_protected,
                  %i[pointer pointer],
                  :uint32
  attach_function :rnp_key_protect,
                  %i[pointer string string string string size_t],
                  :uint32
  attach_function :rnp_key_unprotect,
                  %i[pointer string],
                  :uint32
  attach_function :rnp_key_is_primary,
                  %i[pointer pointer],
                  :uint32
  attach_function :rnp_key_is_sub,
                  %i[pointer pointer],
                  :uint32
  attach_function :rnp_key_have_secret,
                  %i[pointer pointer],
                  :uint32
  attach_function :rnp_key_have_public,
                  %i[pointer pointer],
                  :uint32
  attach_function :rnp_op_sign_create,
                  %i[pointer pointer pointer pointer],
                  :uint32
  attach_function :rnp_op_sign_cleartext_create,
                  %i[pointer pointer pointer pointer],
                  :uint32
  attach_function :rnp_op_sign_detached_create,
                  %i[pointer pointer pointer pointer],
                  :uint32
  attach_function :rnp_op_sign_add_signature,
                  %i[pointer pointer pointer],
                  :uint32
  attach_function :rnp_op_sign_signature_set_hash,
                  %i[pointer string],
                  :uint32
  attach_function :rnp_op_sign_signature_set_creation_time,
                  %i[pointer uint32],
                  :uint32
  attach_function :rnp_op_sign_signature_set_expiration_time,
                  %i[pointer uint32],
                  :uint32
  attach_function :rnp_op_sign_set_compression,
                  %i[pointer string int],
                  :uint32
  attach_function :rnp_op_sign_set_armor,
                  %i[pointer bool],
                  :uint32
  attach_function :rnp_op_sign_set_hash,
                  %i[pointer string],
                  :uint32
  attach_function :rnp_op_sign_set_creation_time,
                  %i[pointer uint32],
                  :uint32
  attach_function :rnp_op_sign_set_expiration_time,
                  %i[pointer uint32],
                  :uint32
  attach_function :rnp_op_sign_execute,
                  %i[pointer],
                  :uint32
  attach_function :rnp_op_sign_destroy,
                  %i[pointer],
                  :uint32
  attach_function :rnp_op_verify_create,
                  %i[pointer pointer pointer pointer],
                  :uint32
  attach_function :rnp_op_verify_detached_create,
                  %i[pointer pointer pointer pointer],
                  :uint32
  attach_function :rnp_op_verify_execute,
                  %i[pointer],
                  :uint32
  attach_function :rnp_op_verify_get_signature_count,
                  %i[pointer pointer],
                  :uint32
  attach_function :rnp_op_verify_get_signature_at,
                  %i[pointer int pointer],
                  :uint32
  attach_function :rnp_op_verify_get_file_info,
                  %i[pointer pointer pointer],
                  :uint32
  attach_function :rnp_op_verify_destroy,
                  %i[pointer],
                  :uint32
  attach_function :rnp_op_verify_signature_get_status,
                  %i[pointer],
                  :uint32
  attach_function :rnp_op_verify_signature_get_hash,
                  %i[pointer pointer],
                  :uint32
  attach_function :rnp_op_verify_signature_get_key,
                  %i[pointer pointer],
                  :uint32
  attach_function :rnp_op_verify_signature_get_times,
                  %i[pointer pointer pointer],
                  :uint32
  attach_function :rnp_buffer_destroy,
                  %i[pointer],
                  :void
  attach_function :rnp_input_from_path,
                  %i[pointer string],
                  :uint32
  attach_function :rnp_input_from_memory,
                  %i[pointer pointer int bool],
                  :uint32
  attach_function :rnp_input_from_callback,
                  %i[pointer rnp_input_reader_t pointer pointer],
                  :uint32
  attach_function :rnp_input_destroy,
                  %i[pointer],
                  :uint32
  attach_function :rnp_output_to_path,
                  %i[pointer string],
                  :uint32
  attach_function :rnp_output_to_memory,
                  %i[pointer int],
                  :uint32
  attach_function :rnp_output_memory_get_buf,
                  %i[pointer pointer pointer bool],
                  :uint32
  attach_function :rnp_output_to_callback,
                  %i[pointer rnp_output_writer_t pointer pointer],
                  :uint32
  attach_function :rnp_output_to_null,
                  %i[pointer],
                  :uint32
  attach_function :rnp_output_destroy,
                  %i[pointer],
                  :uint32
  attach_function :rnp_op_encrypt_create,
                  %i[pointer pointer pointer pointer],
                  :uint32
  attach_function :rnp_op_encrypt_add_recipient,
                  %i[pointer pointer],
                  :uint32
  attach_function :rnp_op_encrypt_add_signature,
                  %i[pointer pointer pointer],
                  :uint32
  attach_function :rnp_op_encrypt_set_hash,
                  %i[pointer string],
                  :uint32
  attach_function :rnp_op_encrypt_set_creation_time,
                  %i[pointer uint32],
                  :uint32
  attach_function :rnp_op_encrypt_set_expiration_time,
                  %i[pointer uint32],
                  :uint32
  attach_function :rnp_op_encrypt_add_password,
                  %i[pointer string string int string],
                  :uint32
  attach_function :rnp_op_encrypt_set_armor,
                  %i[pointer bool],
                  :uint32
  attach_function :rnp_op_encrypt_set_cipher,
                  %i[pointer string],
                  :uint32
  attach_function :rnp_op_encrypt_set_compression,
                  %i[pointer string int],
                  :uint32
  attach_function :rnp_op_encrypt_execute,
                  %i[pointer],
                  :uint32
  attach_function :rnp_op_encrypt_destroy,
                  %i[pointer],
                  :uint32
  attach_function :rnp_decrypt,
                  %i[pointer pointer pointer],
                  :uint32
  attach_function :rnp_get_public_key_data,
                  %i[pointer pointer pointer],
                  :uint32
  attach_function :rnp_get_secret_key_data,
                  %i[pointer pointer pointer],
                  :uint32
  attach_function :rnp_key_to_json,
                  %i[pointer uint32 pointer],
                  :uint32
  attach_function :rnp_identifier_iterator_create,
                  %i[pointer pointer string],
                  :uint32
  attach_function :rnp_identifier_iterator_next,
                  %i[pointer pointer],
                  :uint32
  attach_function :rnp_identifier_iterator_destroy,
                  %i[pointer],
                  :uint32


  RNP_LOAD_SAVE_PUBLIC_KEYS = (1 << 0)
  RNP_LOAD_SAVE_SECRET_KEYS = (1 << 1)

  RNP_JSON_PUBLIC_MPIS = (1 << 0)
  RNP_JSON_SECRET_MPIS = (1 << 1)
  RNP_JSON_SIGNATURES = (1 << 2)
  RNP_JSON_SIGNATURE_MPIS = (1 << 3)

  RNP_SUCCESS = 0
  RNP_ERROR_BAD_FORMAT =        0x10000001
  RNP_ERROR_SIGNATURE_INVALID = 0x12000002
  RNP_ERROR_BAD_PASSWORD =      0x12000004
  RNP_ERROR_NO_SUITABLE_KEY =   0x12000006
  RNP_ERROR_SIGNATURE_EXPIRED = 0x1200000B
end # module