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import sys
import time
import threading

from solo_tool import SoloTool
from midi_controller_launchpad_mini import MidiController

class SoloToolCLI:
    def __init__(self, sessionJson, soloToolOverride=None, midiOverride=None, tickEnable=True):
        self._soloTool = SoloTool() if soloToolOverride is None else soloToolOverride
        self._soloTool.loadSession(sessionJson)
        self._midiController = MidiController(self._soloTool) if midiOverride is None else midiOverride
        self._commands = {
            "song" : self._song,
            "midi" : self._midi
        }
        if tickEnable:
            self._tick()

    def input(self, commandString):
        split = commandString.strip().split(" ")
        if split[0] in self._commands:
            self._commands[split[0]](split[1:])

    def _song(self, args):
        if len(args) > 0:
            self._soloTool.setSong(int(args[0]))
        else:
            songs = self._soloTool.getSongs()
            print("Songs:")
            for i, s in enumerate(songs):
                print(f"  {i} {s}")

    def _midi(self, args):
        if len(args) > 0 and args[0] == "connect":
            print("Connecting to MIDI device...")
            self._midiController.connect()
        else:
            print("Supported device: Novation Launchpad Mini MkII")

    def _tick(self):
        self._soloTool.tick()
        threading.Timer(0.1, self._tick).start()

def main(args):
    if len(args) == 0:
        print("Please provide path to session file")
        sys.exit(1)

    soloToolCli = SoloToolCLI(args[0])
    while(True):
        commandString = input("> ")
        soloToolCli.input(commandString)

if __name__ == '__main__':
    main(sys.argv[1:])