__author__ = 'matt'
import csv
from datetime import datetime
from cairs_signal import Signal
from cairs_coor import Coor

class MySignals(object):
    def __init__(self):
        self.signals=[]

    def add_signal(self,filecsv,sensor,position,date_format,angle=0.0,delim=','):
        new_signal=None
        with open(filecsv, 'rb') as csvfile:
            data = csv.reader(csvfile, delimiter=delim)
            for date,val in data:
                time = datetime.strptime(date, '%b %d %Y %I:%M%p')
                new_signal = Signal(data, sensor, Coor(position.x, position.y, time), angle)

        if new_signal:
            self.signals.append(new_signal)

    def remove_signal(self,sensor=None,coor=None,angle=None):
        if sensor:
            for i,signal in self.signals:
                if signal.sensor is sensor:
                    del self.signals[i]
                    return
        else:
            for i,signal in self.signals:
                if signal.coor == coor and signal.angle == angle:
                    del self.signals[i]
                    return