#!/usr/bin/python

import os
import sys
import pickle

############################
# extract measurements
############################
folderpath = sys.argv[1]
pickle_fp_with_gt = "{}/all_with_groundtruth_cleaned.pickle".format(folderpath)

if not os.path.isfile(pickle_fp_with_gt):
    print("run 003a script first")
    sys.exit(2)

data = pickle.load(open(pickle_fp_with_gt, 'rb'))

threshold = int(input("please enter minimal number of measurements:"))

outputfolder = '{}_extracted_thresh_{}'.format(folderpath.rstrip('/'), threshold)

headline = '#lon,lat,sig,measure_at,upload_at,rating,speed,direction'
headlines = {
    'UMTS': headline + ',rnc,cidshort,psc',
    'GSM': headline + ',timingadv',
    'LTE': headline + ',timingadv,tac,pci',
    'CDMA': headline + ',sid,nid,bid',
}

print("extracting each file to disk (only groundtruth we cared)..")
counter = 0
counter_valid = 0
for filepath in data:
    counter += 1
    if counter % 1000 == 0:
        print("progress: {} out of {} files extracted ({:.2f}%)".format(counter, len(data), 100.0 * counter / len(data)))
    if len(data[filepath][1]) < threshold:
        print("{}: entry less than {}, skipping".format(filepath, threshold))
        continue
    counter_valid += 1
    if not os.path.isfile(filepath):
        outputsubfolder = os.path.dirname(filepath)
        if not os.path.isdir(outputsubfolder):
            try:
                os.makedirs(outputsubfolder)
            except BaseException:
                print("err: cannot create folder {}!!!!".format(outputsubfolder))
                continue
        with open(filepath, 'w') as of:
            of.write(headlines.get(data[filepath][0], headline) + '\n')
    with open(filepath, 'a') as of:
        for dataline in data[filepath][1]:
            of.write(dataline + "\n")
print("done: {} out of {} files extracted ({:.2f}%)".format(counter_valid, len(data), 100.0 * counter_valid / len(data)))

os.rename('{}_extracted'.format(folderpath.rstrip('/')), outputfolder)