"""ASIRI-RAWI MP3056A Radiometer Data Parse:
Parses line 91 data from a list of Radiometrics MP3000A level 0 csv files

Assumes files are in current directory.  Output also written to the
current directory.

Byron Blomquist, NOAA/ESRL/PSD3, Jul 2015
"""
import os

# open files for output
fout = open('lv0_91.txt', 'w')

# Write a header line into each file
hdr = 'Record,Date_Time,ID,Rain_V,V1,V2,TkBB1_K,TkBB2_K,TCab_K,Tirt0_K,Tirt1_K,T5_K,T6_K,T7_K,Vdist,'
hdr += '+12V,+8V,+5V,+3.3V,+2.5V,-5V,2.5VR,Pres-T_K,Pres_V,Pres-ref_V,Pres_mb,Tamb_K,'
hdr += 'Rh_%,Tirt_K,TECV0,TEC0_%,Tant0_K,Tknd0_K,Tif0_K,TCase0_K,RCV0-+8V,Vnd0_on,'
hdr += 'Vnd0_off,TECV1,TEC1_%,Tant1_K,Tknd1_K,Tif1_K,TCase1_K,RCV1-+8V,Vnd1_on,Vnd1_off,'
hdr += 'R44,E_+_W_-_Tilt,N_+_S_-_Tilt,R47\r'
fout.write(hdr)

# assume current directory contains level 2 csv files,
# dump list of data file names into list variable
files = [f for f in os.listdir('.') if f.endswith('lv0.csv')]

# parse data files and save into txt files
for file in files:
    print file
    fin = open(file)
    for line in fin:
        cleanLine = line.strip()
        if cleanLine.endswith(','):
            lineOut = cleanLine[0:-1] + '\r'
        else:
            lineOut = cleanLine + '\r'

        fields = cleanLine.split(',')
        if fields[2] == '91':
            fout.write(lineOut)
fout.close()
# end