module os

// Ref - winnt.h
const (
	success                            = 0x0000 // ERROR_SUCCESS
	error_insufficient_buffer          = 0x0082
)

const (
	handle_generic_read                = 0x80000000
	handle_open_existing               = 0x00000003
)

const (
	file_share_read                    = 0x01
	file_share_write                   = 0x02
	file_share_delete                  = 0x04
)

const (
	file_notify_change_file_name       = 0x01
	file_notify_change_dir_name        = 0x02
	file_notify_change_attributes      = 0x04
	file_notify_change_size            = 0x08
	file_notify_change_last_write      = 0x10
	file_notify_change_last_access     = 0x20
	file_notify_change_creation        = 0x40
	file_notify_change_security        = 0x80
)

const (
	file_action_added                  = 0x01
	file_action_removed                = 0x02
	file_action_modified               = 0x03
	file_action_renamed_old_name       = 0x04
	file_action_renamed_new_name       = 0x05
)

const (
	file_attr_readonly                 = 0x00000001
	file_attr_hidden                   = 0x00000002
	file_attr_system                   = 0x00000004
	file_attr_directory                = 0x00000010
	file_attr_archive                  = 0x00000020
	file_attr_device                   = 0x00000040
	file_attr_normal                   = 0x00000080
	file_attr_temporary                = 0x00000100
	file_attr_sparse_file              = 0x00000200
	file_attr_reparse_point            = 0x00000400
	file_attr_compressed               = 0x00000800
	file_attr_offline                  = 0x00001000
	file_attr_not_content_indexed      = 0x00002000
	file_attr_encrypted                = 0x00004000
	file_attr_integrity_stream         = 0x00008000
	file_attr_virtual                  = 0x00010000
	file_attr_no_scrub_data            = 0x00020000
	// file_attr_recall_on_open        = u32(0x...)
	// file_attr_recall_on_data_access = u32(0x...)
)

const (
	file_type_unknown                  = 0x00
	file_type_disk                     = 0x01
	file_type_char                     = 0x02
	file_type_pipe                     = 0x03
)

const (
	file_invalid_file_id = (-1)
)

const(
	invalid_handle_value = voidptr(-1)
)

// https://docs.microsoft.com/en-us/windows/console/setconsolemode
const (
    // Input Buffer
    enable_echo_input                  = 0x0004
    enable_extended_flags              = 0x0080
    enable_insert_mode                 = 0x0020
    enable_line_input                  = 0x0002
    enable_mouse_input                 = 0x0010
    enable_processed_input             = 0x0001
    enable_quick_edit_mode             = 0x0040
    enable_window_input                = 0x0008
    enable_virtual_terminal_input      = 0x0200
    // Output Screen Buffer
    enable_processed_output            = 0x01
    enable_wrap_at_eol_output          = 0x02
    enable_virtual_terminal_processing = 0x04
    disable_newline_auto_return        = 0x08
    enable_lvb_grid_worldwide          = 0x10
)

// File modes
const (
	o_rdonly                           = 0x0000 // open the file read-only.
	o_wronly                           = 0x0001 // open the file write-only.
	o_rdwr                             = 0x0002 // open the file read-write.
	o_append                           = 0x0008 // append data to the file when writing.
	o_create                           = 0x0100 // create a new file if none exists.
	o_trunc                            = 0x0200 // truncate regular writable file when opened.
	o_excl                             = 0x0400 // used with o_create, file must not exist.
	o_sync                             = 0x0000 // open for synchronous I/O (ignored on Windows)
	o_noctty                           = 0x0000 // make file non-controlling tty (ignored on Windows)
	o_nonblock                         = 0x0000 // don't block on opening file (ignored on Windows)
)

const (
	status_access_violation            = 0xC0000005
	status_in_page_error               = 0xC0000006
	status_invalid_handle              = 0xC0000008
	status_invalid_parameter           = 0xC000000D
	status_no_memory                   = 0xC0000017
	status_illegal_instruction         = 0xC000001D
	status_noncontinuable_exception    = 0xC0000025
	status_invalid_disposition         = 0xC0000026
	status_array_bounds_exceeded       = 0xC000008C
	status_float_denormal_operand      = 0xC000008D
	status_float_divide_by_zero        = 0xC000008E
	status_float_inexact_result        = 0xC000008F
	status_float_invalid_operation     = 0xC0000090
	status_float_overflow              = 0xC0000091
	status_float_stack_check           = 0xC0000092
	status_float_underflow             = 0xC0000093
	status_integer_divide_by_zero      = 0xC0000094
	status_integer_overflow            = 0xC0000095
	status_privileged_instruction      = 0xC0000096
	status_stack_overflow              = 0xC00000FD
	status_dll_not_found               = 0xC0000135
	status_ordinal_not_found           = 0xC0000138
	status_entrypoint_not_found        = 0xC0000139
	status_control_c_exit              = 0xC000013A
	status_dll_init_failed             = 0xC0000142
	status_float_multiple_faults       = 0xC00002B4
	status_float_multiple_traps        = 0xC00002B5
	status_reg_nat_consumption         = 0xC00002C9
	status_heap_corruption             = 0xC0000374
	status_stack_buffer_overrun        = 0xC0000409
	status_invalid_cruntime_parameter  = 0xC0000417
	status_assertion_failure           = 0xC0000420
)

// Windows Registry Constants

pub const (
	hkey_local_machine                 = voidptr(0x80000002)
	hkey_current_user                  = voidptr(0x80000001)

	key_query_value                    = 0x0001
	key_set_value                      = 0x0002
	key_enumerate_sub_keys             = 0x0008
	key_wow64_32key                    = 0x0200
)

// Windows Messages

pub const (
	hwnd_broadcast                     = voidptr(0xFFFF)

	wm_settingchange                   = 0x001A
	smto_abortifhung                   = 0x0002
)