import sys
from PyQt5.QtWidgets import QApplication, QWidget, QVBoxLayout, QLabel, QPushButton, QLineEdit, QPlainTextEdit, QComboBox, QMessageBox
from PyQt5.QtCore import QProcess, QSize
from everywhereml.arduino import Sketch, Ino, H
import platform
import os

class LogView(QPlainTextEdit):
    def __init__(self, parent=None):
        super().__init__(parent)
        self.setReadOnly(True)
        self._process = QProcess()
        self._process.readyReadStandardOutput.connect(self.handle_stdout)
        self._process.readyReadStandardError.connect(self.handle_stderr)

    def start_log(self, program, arguments=None):
        if arguments is None:
            arguments = []
        self._process.start(program, arguments)

    def add_log(self, message):
        self.appendPlainText(message.rstrip())

    def handle_stdout(self):
        message = self._process.readAllStandardOutput().data().decode()
        self.add_log(message)

    def handle_stderr(self):
        message = self._process.readAllStandardError().data().decode()
        self.add_log(message)


def flash(log_view, led1, led2, port):
    """
    Create a sketch object.
    A sketch is defined by:
    - a name (required)
    - a folder (optional)

    If you leave the folder empty, the current working directory will be used.
    You can use the special name ':system:' to use the default Arduino sketches folder
    (as reported by the command `arduino-cli config dump`)
    """

    showdialog()

    sketch = Sketch(name="hemocube", folder=":system:")

    """
    Then you can add files to the project (either the .ino main file or
    C++ header files)
    """
    sketch += Ino("""

void setup() {{
  // put your setup code here, to run once:
  Serial.begin(115200);
}}

void loop() {{
  // put your main code here, to run repeatedly:

  
}}


    """.format(led1dac=led1, led2dac=led2))

    sketch += H("hello.h", """
        void hello() {
            Serial.println("HemoCube QC");
        }
    """)

    """
    Compile sketch for Arduino Nano 33 BLE board.
    The board you target must appear in the `arduino-cli board listall` command.
    If you know the FQBN (Fully Qualified Board Name), you can use that too.
    """
    if sketch.compile(board='arduino:avr:nano:cpu=atmega328old').is_successful:
        # log_view.add_log("Log: \n\n" + sketch.output)
        # log_view.add_log("Sketch stats: \n\n" + sketch.stats)
        print('Log', sketch.output)
        print('Sketch stats', sketch.stats)
    else:
        log_view.add_log("ERROR: \n\n" + sketch.output)
        print('ERROR', sketch.output)

    """
    You can specify the exact port
    """
    # sketch.upload(port='/dev/cu.usbmodem14201')

    sketch.upload(port=port)

    # """
    # Or even part of it.
    # The library will look for the best match.
    # """
    # sketch.upload(port='ttyUSB')
    # sketch.upload(port='/dev/cu.usbserial-1420') #/dev/cu.usbmodem

    log_view.add_log("upload: \n\n" + sketch.output)
    print(sketch.output)

def showdialog():
   msg = QMessageBox()
   msg.setIcon(QMessageBox.Information)

   msg.setText("HemoCube flashing")
   msg.setInformativeText("HemoCube device will be flashed with new values")
   msg.setWindowTitle("Flashing")
   msg.setDetailedText("The LED dac values will be set. Wait for sometime.")
   msg.setStandardButtons(QMessageBox.Ok | QMessageBox.Cancel)
   msg.buttonClicked.connect(msgbtn)
	
   retval = msg.exec_()
   print("value of pressed message box button:", retval)

def msgbtn(i):
   print("Button pressed is:",i.text())

def get_port():
    ports = []
    if platform.system() == 'Darwin':
        ports = list(filter(lambda x: "cu" in x, os.listdir("/dev")))
    else:
        import serial.tools.list_ports
        # ports = ['COM%s' % (i + 1) for i in range(256)]
        serial_ports = list(serial.tools.list_ports.comports())
        for port, desc, hwid in sorted(serial_ports):
            ports.append(port)
    return ports

# 1. Import QApplication and all the required widgets
# from PyQt5.QtWidgets import QApplication, QLabel, QWidget

def addLabel(layout, text):
    layout.addWidget(QLabel(text))

if __name__ == "__main__":
    app = QApplication(sys.argv)

    window = QWidget()
    layout = QVBoxLayout(window)

    # Create a label Widget and add it to the layout
    labelLed1 = QLabel('Enter LED1 value (1500-3000)')
    layout.addWidget(labelLed1)

    line_edit_led1 = QLineEdit()
    line_edit_led1.setFixedSize(QSize(150, 30))
    layout.addWidget(line_edit_led1)

    labelLed2 = QLabel('Enter LED2 value (1500-3000)')
    left = 0
    top = 25
    right = 0
    bottom = 0
    labelLed2.setContentsMargins(left, top, right, bottom)
    layout.addWidget(labelLed2)

    line_edit_led2 = QLineEdit()
    line_edit_led2.setFixedSize(QSize(150, 30))
    layout.addWidget(line_edit_led2)


    labelPort = QLabel('Select a port')
    layout.addWidget(labelPort)

    cb = QComboBox()
    cb.setFixedSize(QSize(150, 30))
    ports = get_port()
    cb.addItem("Select")
    for port in ports:
        cb.addItem(port)
    layout.addWidget(cb)

    flash_port = ""
    def selectionchange(i):
      flash_port = cb.currentText()
      print("flash_port", flash_port)
    cb.currentIndexChanged.connect(selectionchange)

    # Create a QPushButton object with a caption on it
    qbtn = QPushButton('Flash')
    qbtn.setFixedSize(QSize(150, 40))

    # Add the QPushButton to the layout
    layout.addWidget(qbtn)

    w = LogView()
    w.resize(640, 480)
    # w.show()
    # w.start_log("adb", ["logcat", "*:I"])
    # w.start_log("arduino-cli", ["monitor", "-p /dev/cu.Bluetooth-Incoming-Port"])
    # w.start_log("arduino-cli", ["lib", "install", "ADS1X15"])
    w.handle_stdout()
    layout.addWidget(w)

   # Close the application when the button is pressed
   # Here I am using slots & signals, which I will demonstrate later in this tutorial
#    qbtn.clicked.connect(lambda:addLabel(layout, "Flashing..."))
    qbtn.clicked.connect(lambda: flash(w, line_edit_led1.text(), line_edit_led2.text(), cb.currentText()))

    window.setWindowTitle("HemoCube QC")
    window.setGeometry(400, 400, 800, 600)
    # helloMsg = QLabel("<h1>Hello, World!</h1>", parent=window)
    # helloMsg.move(60, 15)

    window.show()

    # 5. Run your application's event loop
    sys.exit(app.exec())