""" V200727
xiaogui robot car runner bar

help:
python runbar.py xxxxx.py
"""
import os, json, re, sys
from tkinter import *
from tkinter import ttk, tix, filedialog, messagebox, scrolledtext
import urllib.request
import urllib.parse


class Car():
    def __init__(self):
        self.car_ip = ""
        self.car_name = ""
        self.car_url = ""
        self.source_path = ""

        self.cars = []


    def set_source(self, source_path):
        self.source_path = source_path


    def list(self):
        url = "https://api.guidan.com/my/car.list"

        headers = {}
        req = urllib.request.Request(url=url, headers=headers)
        resp = urllib.request.urlopen(req)
        data = resp.read()

        self.cars = json.loads(data)
        return self.cars


    def get_carlist(self):
        carlist = []
        for one in self.cars:
            carlist.append("%s - %s"%(one["name"], one["ip"]))
        return carlist if carlist else ["no car"]


    def auto_select(self):
        if not self.cars: return True

        for one in self.cars:
            if one["ip"] == self.car_ip: return True

        one = self.cars[0]
        self.car_ip, self.car_name, self.car_url = one["ip"], one["name"], "http://%s/"%(one["ip"],)


    def select(self, car_ip, car_name):
        self.car_ip = car_ip
        self.car_name = car_name
        self.car_url = "http://%s/"%(self.car_ip,)


    def exec(self, code):
        url = self.car_url + "py"

        params = b"code=" + urllib.parse.quote(code).encode()
        req = urllib.request.Request(url=url, data=params, method="POST")
        resp = urllib.request.urlopen(req, timeout=4)

        if resp.getcode()!=200: return (False, "")
        data = resp.read()
        return (True, json.loads(data))


    def exec_source(self):
        if (not self.source_path) or (not os.path.exists(self.source_path)): return

        with open(self.source_path, "r") as fp:
            code = fp.read()
            if not code: return
            self.exec(code)


    def log(self):
        url = self.car_url + "log"

        req = urllib.request.Request(url=url)
        resp = urllib.request.urlopen(req)

        if resp.getcode()!=200: return (False, "")
        data = resp.read()
        return (True, json.loads(data))

        

class Form():
    RE_IP = re.compile(r"[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}")

    def __init__(self, source=""):
        self.car = Car()
        self.car.list()

        self.__runbar = Tk()
        self.__runbar.title("RunnerBar")
        self.__runbar.geometry("280x35")
        self.__runbar.resizable(0, 0)
        self.__runbar.wm_attributes("-topmost", 1)

        self.__btn_run = Button(self.__runbar, text="Run", command=self.__btn_run_click)
        self.__btn_run.grid(row=0, column=0, padx=2, sticky=W+E+S+N)

        self.__btn_code = Button(self.__runbar, text="File", command=self.__btn_code_click)
        self.__btn_code.grid(row=0, column=2, padx=2, sticky=W+E+S+N)

        self.__cmb_carlist = ttk.Combobox(self.__runbar)
        self.__cmb_carlist["values"] = self.car.get_carlist()
        self.__cmb_carlist.current(0)
        self.__cmb_carlist.grid(row=0, column=1, padx=2, sticky=W+E+S+N)

        self.__txt_log = scrolledtext.ScrolledText(self.__runbar, width=35, height=4)
        self.__txt_log.grid(row=1, column=0, columnspan=3, pady=5)


        if os.path.exists(source): 
            _, basename = os.path.split(source)
            self.car.set_source(source)
            self.__runbar.title(basename)

        self.__runbar.mainloop()


    # def action_get_log():
    #     txt_log.insert(END, code)


    def __btn_run_click(self, *args):
        info = self.__cmb_carlist.get()
        rst = self.RE_IP.search(info)
        if (not rst) or (not rst.group()):
            messagebox.showerror("Error", "Please select a car!")
            return
        
        self.car.select(rst.group(), "")

        if not self.car.source_path:
            messagebox.showerror("Error", "Please select a python file!")
            return

        try:
            self.car.exec_source()
        except BaseException as _:
            messagebox.showerror("Error", "Run fail, maybe car is power off!")


    def __btn_code_click(self, *args):
        file_path = filedialog.askopenfilename(title="Select a python file", filetypes=[("Python File(.py)", "*.py")])
        if (not file_path) or (not os.path.exists(file_path)): return

        _, basename = os.path.split(file_path)
        self.car.set_source(file_path)
        self.__runbar.title(basename)



def proc():
    if not source_file: return False

    car = Car()
    car.list()
    if len(car.cars)!=1: return False

    car.auto_select()
    car.set_source(source_file)
    if not car.car_ip: return False

    try:
        car.exec_source()
    except:
        messagebox.showerror("Error", "Run fail, maybe car is power off!")
    return True
        

source_file = ""
if len(sys.argv)>1 and os.path.exists(sys.argv[1]):
    source_file = sys.argv[1]

if not proc(): form = Form(source=source_file)