import os
import json
import shutil

class Config():
    def __init__(self, configfile):
        self.__config_file = configfile
        self.__config = None

        try:
            with open(self.__config_file, "r") as handle:
                self.__config = json.load(handle)
        except FileNotFoundError:
            # create default config
            os.makedirs(os.path.dirname(self.__config_file), exist_ok=True)

            shutil.copyfile("config/config.json", self.__config_file)
            with open(self.__config_file, "r") as handle:
                self.__config = json.load(handle)

    def hostinfo(self):
        res = self.__config['hostname'], int(self.__config['port'])
        return res

    def get_heat_autostate(self, ident: int):
        for entry in self.__config['heat']:
            if int(entry['id']) == ident:
                return entry['autostate']
        return None

    def set_heat_autostate(self, ident: str):
        for idx in range(len(self.__config['heat'])):
            if self.__config['heat'][idx]['id'] == ident:
                self.__config['heat'][idx]['autostate'] = True
                with open(self.__config_file, "w") as handle:
                    json.dump(self.__config, handle)
                return

    def clear_heat_autostate(self, ident: str):
        for idx in range(len(self.__config['heat'])):
            if self.__config['heat'][idx]['id'] == ident:
                self.__config['heat'][idx]['autostate'] = False
                with open(self.__config_file, "w") as handle:
                    json.dump(self.__config, handle)
                return

    def increase_on_temperature(self, ident: str):
        for idx in range(len(self.__config['heat'])):
            if self.__config['heat'][idx]['id'] == ident:
                on_temp = int(self.__config['heat'][idx]['on_temperature'])
                on_temp += 1
                self.__config['heat'][idx]['on_temperature'] = str(on_temp)
                with open(self.__config_file, "w") as handle:
                    json.dump(self.__config, handle)
                return

    def decrease_on_temperature(self, ident: str):
        for idx in range(len(self.__config['heat'])):
            if self.__config['heat'][idx]['id'] == ident:
                on_temp = int(self.__config['heat'][idx]['on_temperature'])
                on_temp -= 1
                self.__config['heat'][idx]['on_temperature'] = str(on_temp)
                with open(self.__config_file, "w") as handle:
                    json.dump(self.__config, handle)
                return

    def increase_off_temperature(self, ident: str):
        for idx in range(len(self.__config['heat'])):
            if self.__config['heat'][idx]['id'] == ident:
                off_temp = int(self.__config['heat'][idx]['off_temperature'])
                off_temp += 1
                self.__config['heat'][idx]['off_temperature'] = str(off_temp)
                with open(self.__config_file, "w") as handle:
                    json.dump(self.__config, handle)
                return

    def decrease_off_temperature(self, ident: str):
        for idx in range(len(self.__config['heat'])):
            if self.__config['heat'][idx]['id'] == ident:
                off_temp = int(self.__config['heat'][idx]['off_temperature'])
                off_temp -= 1
                self.__config['heat'][idx]['off_temperature'] = str(off_temp)
                with open(self.__config_file, "w") as handle:
                    json.dump(self.__config, handle)
                return


    def get_on_temperature(self, ident: int):
        for entry in self.__config['heat']:
            if int(entry['id']) == ident:
                return entry['on_temperature']
        return None

    def get_off_temperature(self, ident: int):
        for entry in self.__config['heat']:
            if int(entry['id']) == ident:
                return entry['off_temperature']
        return None

    def get_water_autostate(self, ident: int):
        for entry in self.__config['water']:
            if int(entry['id']) == ident:
                return entry['autostate']
        return None

    def get_water_times(self, ident: int):
        for entry in self.__config['water']:
            if int(entry['id']) == ident:
                return entry['times']
        return None

    def set_water_autostate(self, ident: str):
        for idx in range(len(self.__config['water'])):
            if self.__config['water'][idx]['id'] == ident:
                self.__config['water'][idx]['autostate'] = True
                with open(self.__config_file, "w") as handle:
                    json.dump(self.__config, handle)
                return

    def clear_water_autostate(self, ident: str):
        for idx in range(len(self.__config['water'])):
            if self.__config['water'][idx]['id'] == ident:
                self.__config['water'][idx]['autostate'] = False
                with open(self.__config_file, "w") as handle:
                    json.dump(self.__config, handle)
                return

    def set_water_times(self, ident: str, times):
        for idx in range(len(self.__config['water'])):
            if self.__config['water'][idx]['id'] == ident:
                self.__config['water'][idx]['times'] = times
                with open(self.__config_file, "w") as handle:
                    json.dump(self.__config, handle)
                return