# Authors: The MNE-Python contributors.
# License: BSD-3-Clause
# Copyright the MNE-Python contributors.

from ...utils import BunchConst

BTI = BunchConst()

BTI.ELEC_STATE_NOT_COLLECTED = 0
BTI.ELEC_STATE_COLLECTED = 1
BTI.ELEC_STATE_SKIPPED = 2
BTI.ELEC_STATE_NOT_APPLICABLE = 3
#
## Byte offesets and data sizes for  different files
#
BTI.FILE_MASK = 2147483647
BTI.FILE_CURPOS = 8
BTI.FILE_END = -8

BTI.FILE_HS_VERSION = 0
BTI.FILE_HS_TIMESTAMP = 4
BTI.FILE_HS_CHECKSUM = 8
BTI.FILE_HS_N_DIGPOINTS = 12
BTI.FILE_HS_N_INDEXPOINTS = 16

BTI.FILE_PDF_H_ENTER = 1
BTI.FILE_PDF_H_FTYPE = 5
BTI.FILE_PDF_H_XLABEL = 16
BTI.FILE_PDF_H_NEXT = 2
BTI.FILE_PDF_H_EXIT = 20

BTI.FILE_PDF_EPOCH_EXIT = 28

BTI.FILE_PDF_CH_NEXT = 6
BTI.FILE_PDF_CH_LABELSIZE = 16
BTI.FILE_PDF_CH_YLABEL = 16
BTI.FILE_PDF_CH_OFF_FLAG = 16
BTI.FILE_PDF_CH_EXIT = 12

BTI.FILE_PDF_EVENT_NAME = 16
BTI.FILE_PDF_EVENT_EXIT = 32

BTI.FILE_PDF_PROCESS_BLOCKTYPE = 20
BTI.FILE_PDF_PROCESS_USER = 32
BTI.FILE_PDF_PROCESS_FNAME = 256
BTI.FILE_PDF_PROCESS_EXIT = 32

BTI.FILE_PDF_ASSOC_NEXT = 32

BTI.FILE_PDFED_NAME = 17
BTI.FILE_PDFED_NEXT = 9
BTI.FILE_PDFED_EXIT = 8

#
## General data constants
#
BTI.DATA_N_IDX_POINTS = 5
BTI.DATA_ROT_N_ROW = 3
BTI.DATA_ROT_N_COL = 3
BTI.DATA_XFM_N_COL = 4
BTI.DATA_XFM_N_ROW = 4
BTI.FIFF_LOGNO = 111
#
## Channel Types
#
BTI.CHTYPE_MEG = 1
BTI.CHTYPE_EEG = 2
BTI.CHTYPE_REFERENCE = 3
BTI.CHTYPE_EXTERNAL = 4
BTI.CHTYPE_TRIGGER = 5
BTI.CHTYPE_UTILITY = 6
BTI.CHTYPE_DERIVED = 7
BTI.CHTYPE_SHORTED = 8
#
## Processes
#
BTI.PROC_DEFAULTS = "BTi_defaults"
BTI.PROC_FILTER = "b_filt_hp,b_filt_lp,b_filt_notch"
BTI.PROC_BPFILTER = "b_filt_b_pass,b_filt_b_reject"
#
## User blocks
#
BTI.UB_B_MAG_INFO = "B_Mag_Info"
BTI.UB_B_COH_POINTS = "B_COH_Points"
BTI.UB_B_CCP_XFM_BLOCK = "b_ccp_xfm_block"
BTI.UB_B_EEG_LOCS = "b_eeg_elec_locs"
BTI.UB_B_WHC_CHAN_MAP_VER = "B_WHChanMapVer"
BTI.UB_B_WHC_CHAN_MAP = "B_WHChanMap"
BTI.UB_B_WHS_SUBSYS_VER = "B_WHSubsysVer"  # B_WHSubsysVer
BTI.UB_B_WHS_SUBSYS = "B_WHSubsys"
BTI.UB_B_CH_LABELS = "B_ch_labels"
BTI.UB_B_CALIBRATION = "B_Calibration"
BTI.UB_B_SYS_CONFIG_TIME = "B_SysConfigTime"
BTI.UB_B_DELTA_ENABLED = "B_DELTA_ENABLED"
BTI.UB_B_E_TABLE_USED = "B_E_table_used"
BTI.UB_B_E_TABLE = "B_E_TABLE"
BTI.UB_B_WEIGHTS_USED = "B_weights_used"
BTI.UB_B_TRIG_MASK = "B_trig_mask"
BTI.UB_B_WEIGHT_TABLE = "BWT_"