import tkinter as tk
import serial.tools.list_ports
import functools
import tkinter.ttk as ttk

import labrobot as lrb


ports = serial.tools.list_ports.comports()
serialObj = serial.Serial()

root = tk.Tk()
root.config(bg='#b7f731')


def serial_ports():
    return serial.tools.list_ports.comports()

def on_select(event=None):
    serialObj.port = cb.get().split(' ')[0]
    serialObj.baudrate = 115200
    serialObj.open()

cb =ttk.Combobox(root,values=serial_ports())
cb.grid(row=0,column=0,stick="we")
cb.bind('<<ComboboxSelected>>',on_select)

scb =tk.Scrollbar(root)
scb.grid(row=1,column=1,rowspan=10,sticky='ns')
txt = tk.Text(root,height=20,width=50)
txt.grid(row=1,column=0,rowspan=10)
scb.config(command=txt.yview)
txt.config(yscrollcommand=scb.set)
txt.tag_configure('small',font=('Verdana',8),foreground='black')


## init Labrobot
lpb = lrb.LabPipBlock(15,1,70,50,5,108,86)
pip = lrb.LabPip(vol=1000,top=22)
pip.fe =5000

def homeAll():
    serialObj.write(b'<G28>\n')
def homeX():
    serialObj.write(b'<JX>\n')
def homeY():
    serialObj.write(b'<JY>\n')
def homeZ():
    serialObj.write(b'<JZ>\n')    
def homeP():
    serialObj.write(b'<JP>\n')    
def getPos():
    serialObj.write(b'<J2>\n')      
def do_gcode():
    s = e1.get()
    s = s + '\n'
    print(s)
    serialObj.write(s.encode('utf-8'))   

def upTip():
    serialObj.write(pip.up().encode('utf-8')) 

def downTip():
    serialObj.write(pip.down().encode('utf-8'))

def nextTip():
    upTip()
    serialObj.write(pip.get_tip(lpb.next()).encode('utf-8')) 
    downTip()


b1 = tk.Button(root,bg='#000000',
                fg='#b7f731',
                relief='flat',text='Home All',width=12,command=homeAll)
b1.grid(row=0,column=2,sticky='nw')
b2 = tk.Button(root,bg='#000000',
                fg='#b7f731',
                relief='flat',text='Home X',width=12,command=homeX)
b2.grid(row=1,column=2,sticky='nw')
b3 = tk.Button(root,bg='#000000',
                fg='#b7f731',
                relief='flat',text='Home Y',width=12,command=homeY)
b3.grid(row=2,column=2,sticky='nw')
b4 = tk.Button(root,bg='#000000',
                fg='#b7f731',
                relief='flat',text='Home Z',width=12,command=homeZ)
b4.grid(row=3,column=2,sticky='nw')
b6 = tk.Button(root,bg='#000000',
                fg='#b7f731',
                relief='flat',text='Home P',width=12,command=homeP)
b6.grid(row=4,column=2,sticky='nw')
b7 = tk.Button(root,bg='#000000',
                fg='#b7f731',
                relief='flat',text='Get Position',width=12,command=getPos)
b7.grid(row=5,column=2,sticky='nw')

l1 = tk.Label(root,bg='#000000',
                fg='#b7f731',
                relief='flat',text="Enter G-Code")
l1.grid(row=0,column=3)

e1 = tk.Entry(root)
e1.grid(row=0,column=4)
b5 = tk.Button(root,bg='#000000',
                fg='#b7f731',
                relief='flat',text='Send Code',command=do_gcode)
b5.grid(row=1,column=4,sticky="ne")

b8 = tk.Button(root,bg='#000000', fg='blue',relief='flat',text='Next Tip',command=nextTip)
b8.grid(row=2,column=4,sticky='ne')

def checkSerialPort():
    if serialObj.isOpen() and serialObj.in_waiting:
        recentPacket = serialObj.readline()
        recentPacketString  = recentPacket.decode('utf')
        txt.insert('0.1',recentPacketString,'small')
       

while True:
    root.update()
    checkSerialPort()