#!/usr/bin/python
    
from pathlib import Path

EXTENSIONS=(".mp3",".ogg",".wav",".mpa",".m4a",".flac")

class ClockyTracklist:
    """read and monitor directory with audio files"""
    def __init__(self,path=".",recursive=False):
        """Read (current or supplied) path for all audio files. Add recursive=True to check all subdirectories too"""
        self.recursive=recursive
        self.path=path
        self.tracklist=[]
        self.count=0

        p=Path(self.path)
        if(not p.is_dir()):
            print("ERROR: \""+path+"\" is not an directory")
            exit();

        if(self.recursive):
            selection='**/*'
        else:
            selection='*'
        for Q in p.glob(selection):
            if Q.suffix in EXTENSIONS: #and os.access(Q,os.R_OK):
                self.tracklist.append(Q.as_posix())
                self.count+=1

    def ReadTrackList(self):
        """Print the list"""
        path=Path(self.path)
        if(not path.is_dir()):
            print("ERROR: \""+self.path+"\" is not an directory")
            exit();

        if(self.recursive):
            selection='**/*'
        else:
            selection='*'
        for entry in path.glob(selection):
            if entry.suffix in EXTENSIONS:
                self.tracklist.append(entry.as_posix())
                self.count+=1


    def ShowTrackList(self):
        """Print the list"""
        print("Tracklist:")
        print("  path      = %s" %self.path)
        print("  recursive = %s" %self.recursive)
        print("  count     = %d" %self.count)
        print("  tracks:")
        for track in self.tracklist:
            print("    "+track)
            f=open(track,"r")
            if(f):
                f.close()

    def CheckTrackList(self):
        """Check path for filechanges"""