import csv
import datetime

def load_raw_data(path):
    data = list()
    with open(path) as csv_file:
        csv_reader = csv.reader(csv_file, delimiter=",")
        for r in csv_reader:
            if (r[1] != "Time Stamp"):
                data.append( (r[1], r[2]) )
    return data

def save_rps_totals(totals, path):
    with open(path, mode="w") as result:
        wtr = csv.writer(result)
        for k, v in totals.items():
            wtr.writerow([k,v])

def save_rps_above_threshold(readings, path):
    with open(path, mode="w", newline='') as result:
        wtr = csv.writer(result)
        for item in readings:
            wtr.writerow([item])

def save_filtered_flickers(readings, path):
    with open(path, mode="w") as results:
        wtr = csv.writer(results, delimiter=',', lineterminator='\n')
        wtr.writerows(readings)