from test.helpers.syscmd import SysCommand
import unittest
#class name
class Qaudio(unittest.TestCase):
    # Initialize the variables

    def __init__(self, testname, testfunc, dtmfFile):
        # Doing this we will initialize the class and later on perform a particular method inside this class
        super(Qaudio, self).__init__(testfunc)
        self._testMethodDoc = testname
        self._dtmfFile=dtmfFile
        self.__sum=0
        self.__refSum = 25 # 1+3+5+7+9

    def execute(self):
        str_cmd = "amixer -c 0 sset 'PCM' 100 2> /dev/null"  # .format(self.__dtmfFile)
        #Some cases de volume level is not enough to the tes. It needs to be increased
        volume_up = SysCommand("volume_up", str_cmd)
        if volume_up.execute() == 0:
            str_cmd = "aplay test/files/dtmf-13579.wav 2> /dev/null & arecord -r 8000 -d 1 recorded.wav 2> /dev/null" #.format(self.__dtmfFile)
            audio_loop = SysCommand("audio_loop", str_cmd)
            if audio_loop.execute() == 0:
                lines = audio_loop.getOutput().splitlines()
                str_cmd = "multimon -t wav -a DTMF recorded.wav -q 2> /dev/null"
                dtmf_decoder = SysCommand("dtmf_decoder", str_cmd)
                if dtmf_decoder.execute() == 0:
                    self.__raw_out = dtmf_decoder.getOutput()
                    if self.__raw_out == "":
                        return -1
                    lines = dtmf_decoder.getOutput().splitlines()
                    for i in range(0, 5):
                        aux=[int(s) for s in lines[i].split() if s.isdigit()]
                        self.__sum=self.__sum+aux[0]
                    self.failUnless(self.__sum == self.__refSum), "failed: incorrect dtmf code" + str(self.__sum)
                else:
                    self.fail("failed: fail reading recorded file")
                    return -1
            else:
                self.fail("failed: fail playing/recording file")
                return -1
        else:
            self.fail("failed: could not increase loud level")
            return -1
        return 0