""" this file includs global variables shared between tab """

import numpy as np
import pandas as pd
import datetime

# --- load raw data ---
path_BS_raw_data = ""
filename_BS_raw_data = ""
BS_raw_data = np.array([])      # BS raw data : all measurement (go and back)
r = np.array([])
r_2D = np.array([])
freq = np.array([])
freq_text = list()
time = np.array([])

path_BS_noise_data = ""
filename_BS_noise_data = ""
BS_noise_data = np.array([])
snr = np.array([])

date = []
date_noise = []
hour = []
hour_noise = []
nb_profiles = 0
nb_profiles_per_sec = 0.0
nb_cells = 0
cell_size = 0.0
pulse_length = 0.0
nb_pings_per_sec = 0
nb_pings_averaged_per_profile = 0.0
kt = np.array([])
gain_rx = np.array([])
gain_tx = np.array([])

snr = np.array([])
snr_reshape = np.array([])
time_snr = np.array([])

# --- reshape raw data for table of values in Acoustic Data tab ---
time_reshape = np.array([])
r_reshape = np.array([])
BS_raw_data_reshape = np.array([])
snr_reshape = np.array([])
DataFrame_acoustic = pd.DataFrame()

# --- Processed data in Acoustic Data Tab and used in Acoustic processing tab ---
BS_data = np.array([])              # BS data limited with tmin and tmax values of spin box
BS_data_section = np.array([])      # BS data in the section. Values NaN outside the bottom of the section are deleted
Noise_data = np.array([])
SNR_data = np.array([])
t = np.array([])
r_bottom = np.array([])
val_bottom = np.array([])
ind_bottom = np.array([])
freq_bottom_detection = 0

# --- Processed data in Signal Processing Tab ---
BS_data_section_SNR_filter = np.array([])   # BS data filtered with SNR values (remove point if SNR < value)
BS_data_section_averaged = np.array([])     # BS data averaged
time_average = np.array([])
SNR_data_average = np.array([])

water_attenuation = 0
sediment_attenuation = 0

# --- Sample Data ---

samples = []

fine_sediment_path = ""
fine_sediment_filename = ""
fine_sediment_columns = []

sample_distance_from_bank = np.array([])            # distance from left bank (m)
sample_depth = np.array([])                         # depth (m)
sample_time = np.array([])

radius_grain = np.array([])                         # grain radius (um)

Ctot_fine = np.array([])                            # Total concentration (g/L)
D50_fine = np.array([])                             # median diameter (um)
frac_vol_fine = np.array([])                        # Volume fraction (%)

frac_vol_fine_cumul = np.array([])                  # Cumulated volume fraction (%)

sand_sediment_path = ""
sand_sediment_filename = ""
sand_sediment_columns = []

Ctot_sand = np.array([])                            # Total concentration (g/L)
D50_sand = np.array([])                             # median diameter (um)
frac_vol_sand = np.array([])                        # Volume fraction (%)

frac_vol_sand_cumul = np.array([])                  # Cumulated volume fraction (%)

Ctot_fine_per_cent = np.array([])
Ctot_sand_per_cent = np.array([])

# --- Acoustic inversion method ---

temperature = 0
water_attenuation = np.array([])
water_velocity = 0

X_exponent = np.array([])

zeta = np.array([])

kt_corrected = np.array([])
kt_corrected_2D = np.array([])
kt_corrected_3D = np.array([])
J_cross_section = np.array([])

frequencies_pair = np.array([])
VBI_cross_section = np.array([])

frequency_to_compute_SSC = 0
ks = 0

SSC_fine = np.array(())
SSC_sand = np.array([])