# Copyright (c) 2024 Afiq Zudin Hadi
# SPDX-License-Identifier: PolyForm-Noncommercial-1.0.0

menuconfig STENO_ENGINE
	bool "Steno Engine"
	default n
	help
	  Enable the stenography engine for ZMK.

if STENO_ENGINE

choice STENO_DICT
	prompt "Steno dictionary"
	default STENO_DICT_BOTH

config STENO_DICT_BOTH
	bool "Plover + Lapwing"
	help
	  Compile both full dictionaries into the v4 union format.
	  The active dictionary is selected at runtime.

config STENO_DICT_PLOVER
	bool "Plover main dictionary"
	help
	  Compile only the Plover main dictionary.

config STENO_DICT_LAPWING
	bool "Lapwing dictionary"
	help
	  Compile only the Lapwing dictionary.

endchoice

config STENO_DICT_V4
	bool "v4 union split-section dictionary format"
	default y
	select ZLIB
	help
	  Compile the dictionary into the v4 union split-section format
	  (docs/FORMAT_V4.md): two half blobs, left (central) holds the
	  lookup structures, right (peripheral) holds the string table.
	  Requires STENO_SPLIT_DICT. Disable to fall back to the legacy
	  single-dictionary MPHF format.

config STENO_DICT_MPHF
	bool
	default y if !STENO_DICT_V4
	select ZLIB
	help
	  Legacy MPHF (minimal perfect hash) dictionary format.
	  Selects ZLIB for block-compressed string table decompression.

config STENO_CUSTOM_KEYMAP
	bool "Custom steno keymap"
	default n

config STENO_DEBUG_NO_GATT
	bool "Debug: omit the split-dict GATT service"
	default n
	help
	  Bisect aid: compile split_dict.c without BT_GATT_SERVICE_DEFINE.

config STENO_DEBUG_NO_EMBED
	bool "Debug: skip dictionary blob embed"
	default n
	help
	  Bisect aid: embed a 4-byte placeholder instead of the compiled
	  dictionary blob. Lookups fail cleanly at runtime.

choice STENO_UNICODE_MODE
	prompt "Unicode output mode"
	default STENO_UNICODE_MODE_NONE

config STENO_UNICODE_MODE_NONE
	bool "None (HID only)"

config STENO_UNICODE_MODE_LINUX
	bool "Linux (IBus)"

config STENO_UNICODE_MODE_MACOS
	bool "macOS"

config STENO_UNICODE_MODE_WINC
	bool "Windows (WinCompose)"

endchoice

config STENO_HISTORY_SIZE
	int "Stroke history size (undo depth)"
	default 100
	range 10 500

config STENO_KEY_DELAY_MS
	int "Key output delay (ms)"
	default 0
	range 0 50

config STENO_MULTI_STROKE_TIMEOUT_MS
	int "Multi-stroke timeout (ms)"
	default 500
	range 100 5000

config STENO_DICT_MAX_SIZE
	int "Max dictionary binary size (bytes)"
	depends on !STENO_DICT_V4
	default 473088
	help
	  Max compiled dict size for legacy MPHF single-blob builds.
	  473088 = 462KB. Build FAILS if the dict exceeds this —
	  entries are never trimmed.

menuconfig STENO_SPLIT_DICT
	bool "Split dictionary across both halves"
	default n
	help
	  Store the steno dictionary across both keyboard halves.
	  v4 format: left (central) holds the lookup structures
	  (displacements, membership, fingerprints, conflicts, part of
	  the value index); right (peripheral) holds the string table,
	  queried over BLE. Legacy MPHF format: entries partitioned by
	  importance, right half queried over BLE on local miss.
	  Build FAILS if either half exceeds its budget — entries are
	  never trimmed.

if STENO_SPLIT_DICT

config STENO_DICT_LEFT_MAX_SIZE
	int "Left half dict budget (bytes)"
	default 440320
	help
	  Flash budget for the left (central) half blob. Default
	  440320 = 430KB. Build FAILS if the compiled blob exceeds
	  this — entries are never trimmed.

config STENO_DICT_RIGHT_MAX_SIZE
	int "Right half dict budget (bytes)"
	default 527360
	help
	  Flash budget for the right (peripheral) half blob. Default
	  527360 = 515KB. Build FAILS if the compiled blob exceeds
	  this — entries are never trimmed.

config STENO_SPLIT_CACHE_SIZE
	int "LRU cache entries on central side"
	default 64
	range 16 512

config STENO_SPLIT_PREFETCH
	bool "Prefetch common follow-up strokes"
	default y

config STENO_SPLIT_TIMEOUT_MS
	int "BLE lookup timeout (ms)"
	default 50
	range 10 500

config STENO_SPLIT_LOG_LEVEL
	int "Split dict log level"
	default 3

endif # STENO_SPLIT_DICT

endif # STENO_ENGINE