import config
import mqtt
import readline
import sys
import report
import logging
import devices
import json


if __name__ == "__main__":
    report.stdoutLoggingConfigure([[config.APP_NAME, logging.INFO], ], fmt=report.SHORT_FMT)
    mc = mqtt.mqtt_client(
        host=config.MQTT_SERVER,
        port=config.MQTT_PORT,
        username=config.MQTT_USER,
        password=config.MQTT_PASSWORD,
        name=config.APP_NAME + '_devicetest'
    )
    #
    devicedict = {}
    for device in [
        # devices.shelly_pro3(mc, "shellies/gfw/pro3"),
        # devices.brennenstuhl_heatingvalve(mc, "zigbee_raspi/heatvlv"),
        # devices.silvercrest_button(mc, "zigbee_raspi/button"),
        devices.hue_sw_br_ct(mc, "zigbee_ffe/kitchen/main_light_1"),
    ]:
        devicedict[device.topic.replace("/", "_")] = device
    #
    COMMANDS = ['quit', 'help', 'action']
    for key in devicedict:
        device = devicedict[key]
        for cmd in device.__class__.__dict__:
            obj = getattr(device, cmd)
            if callable(obj) and not cmd.startswith("_"):
                COMMANDS.append(key + "." + cmd)
    #

    def reduced_list(text):
        """
        Create reduced completation list
        """
        reduced_list = {}
        for cmd in COMMANDS:
            next_dot = cmd[len(text):].find('.')
            if next_dot >= 0:
                reduced_list[cmd[:len(text) + next_dot + 1]] = None
            else:
                reduced_list[cmd] = None
        return reduced_list.keys()

    def completer(text, state):
        """
        Our custom completer function
        """
        options = [x for x in reduced_list(text) if x.startswith(text)]
        return options[state]

    def complete(text, state):
        for cmd in COMMANDS:
            if cmd.startswith(text):
                if not state:
                    hit = ""
                    index = 0
                    sub_list = cmd.split('.')
                    while len(text) >= len(hit):
                        hit += sub_list[index] + '.'
                    return hit  # cmd
                else:
                    state -= 1

    if len(sys.argv) == 1:
        readline.parse_and_bind("tab: complete")
        readline.set_completer(completer)
        print("\nEnter command: ")
        while True:
            userfeedback = input('')
            command = userfeedback.split(' ')[0]
            if userfeedback == 'quit':
                break
            elif userfeedback == 'help':
                print("Help is not yet implemented!")
            else:
                try:
                    key, command = userfeedback.split(".", 1)
                except ValueError:
                    print("Unknown device.")
                else:
                    device = devicedict[key]
                    try:
                        command, params = command.split(" ", 1)
                    except ValueError:
                        params = None
                    try:
                        obj = getattr(device, command)
                    except AttributeError:
                        print("Unknown command.")
                    else:
                        if params is not None:
                            params = params.replace("True", "true")
                            params = params.replace("False", "false")
                            params = params.replace("None", "null")
                            params = params.replace(",", " ")
                            params = params.split(" ")
                            params = " ".join([p for p in params if p])
                            try:
                                params = json.loads("[" + params.replace(" ", ", ") + "]")
                            except json.decoder.JSONDecodeError:
                                print("You need to give python like parameters (e.g. 'test' for a string containing test).")
                                params = None
                        try:
                            obj(*params)
                        except TypeError:
                            print("Give the correct parameters to execute.")