import sys
import pysmu
from PyQt5.QtWidgets import QApplication
from PyQt5.QtCore import pyqtSignal, QObject
from GUI import MainWindow
from DeviceController import DeviceController
from functools import partial

class ControllerSignals(QObject):
    started = pyqtSignal(str)   # serial
    stopped = pyqtSignal(str)
    error   = pyqtSignal(str, str)  # serial, msg

signals = ControllerSignals()

def main():
    # 1) Geräte einsammeln (pysmu nur hier benutzen)
    sess = pysmu.Session()
    sess.add_all()

    controllers = {dev.serial: DeviceController(sess, dev) for dev in sess.devices}
    serials = list(controllers.keys())
    print("Gefundene Geräte:", serials)

    # Optional: Modi setzen
    for serial in serials:
        c = controllers[serial]
        c.set_mode("A", pysmu.Mode.SIMV)  # CH A z. B.
        c.set_mode("B", pysmu.Mode.HI_Z)  # CH B z. B.

    # 2) GUI erstellen
    app = QApplication(sys.argv)
    win = MainWindow()

    # Kleine Helfer, damit die ListItem-Buttons nur Controller.start/stop aufrufen
    def on_start(ctrl, widget):
        ctrl.start()
        widget.set_running(True)

    def on_stop(ctrl, widget):
        ctrl.stop()
        widget.set_running(False)

    # 3) Liste befüllen (auf der INSTANZ, nicht auf der Klasse!)
    for i, serial in enumerate(serials):
        ctrl = controllers[serial]
        w = win.add_list_item(serial, i)

        # WICHTIG: die Lambda fängt 'checked' ab (erster Parameter), wir ignorieren ihn.
        w.btn_start.clicked.connect(lambda checked=False, c=ctrl, ww=w: on_start(c, ww))
        w.btn_stop.clicked.connect (lambda checked=False, c=ctrl, ww=w: on_stop(c, ww))

            
    # 4) Start
    win.show()
    sys.exit(app.exec_())

if __name__ == "__main__":
    main()