# 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

# ──────────────────────────────────────────────
# Dictionary selection
# ──────────────────────────────────────────────

choice STENO_DICT
	prompt "Steno dictionary"
	default STENO_DICT_PLOVER

config STENO_DICT_PLOVER
	bool "Plover main dictionary (MPHF compressed)"
	help
	  Use Plover main.json via MPHF compression (~44K entries in 453KB).

config STENO_DICT_LAPWING
	bool "Lapwing dictionary (MPHF compressed)"

config STENO_DICT_TEST
	bool "Test dictionary (46 entries, simple format)"
	help
	  Small built-in test dictionary for development.

endchoice

config STENO_DICT_MPHF
	bool
	default y if STENO_DICT_PLOVER || STENO_DICT_LAPWING
	help
	  Use MPHF (minimal perfect hash) dictionary format.
	  Auto-selected for Plover/Lapwing dicts.

# ──────────────────────────────────────────────
# Unicode output mode
# ──────────────────────────────────────────────

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)"
	default 473088
	help
	  Max compiled dict size. 473088 = 462KB (left half flash budget).
	  The MPHF compiler auto-trims to fit.

# ──────────────────────────────────────────────
# Split keyboard dictionary storage
# ──────────────────────────────────────────────

menuconfig STENO_SPLIT_DICT
	bool "Split dictionary storage on peripheral"
	default n
	help
	  Store the steno dictionary on the peripheral half and
	  perform lookups over BLE. This frees flash on the central
	  side at the cost of added lookup latency.

if STENO_SPLIT_DICT

config STENO_SPLIT_CACHE_SIZE
	int "LRU cache entries on central side"
	default 64
	range 16 512
	help
	  Number of recently looked-up dictionary entries cached
	  on the central side to avoid repeated BLE round-trips.

config STENO_SPLIT_PREFETCH
	bool "Prefetch common follow-up strokes"
	default y
	help
	  After a successful lookup, speculatively prefetch dictionary
	  entries for statistically common follow-up strokes. Reduces
	  perceived latency for multi-stroke words.

config STENO_SPLIT_TIMEOUT_MS
	int "BLE lookup timeout (ms)"
	default 50
	range 10 500
	help
	  Maximum time in milliseconds to wait for a dictionary
	  lookup response from the peripheral over BLE before
	  falling back to a cache miss / no-op.

endif # STENO_SPLIT_DICT

endif # STENO_ENGINE