from gs.setup import Setup
import os
import ujson


class GrowSystem:
    
    version = "1.0"
    
    initial_config = None
    
    def __init__(self):
        print("Initialize Growsystem", self.version)
        
        if not self._is_initial_config_existing():
            print("No config existing. Start setup ...")
            self._setup()
            return
        
        from gs.grow_system_api import GrowSystemApi as GSA
        self.gsapi = GSA()
        
        if self._is_config_existing():
            print("Skip Setup. Config existing.")
        elif self._is_initial_config_existing():
            print("Initial config only existing (no base config). Start activation ...")
            self._activate()

    def _setup(self):
        setup = Setup()
        setup.setup_pico()
        
    def _activate(self):
        print("Start activation!")
        import gs.config.initial_config as ic
        self.initial_config = ic.config
        device_config = self.gsapi.activate(self.initial_config)
        #print("Device Config:", device_config['data'])
        sensors = device_config['data']['sensors']
        sensor_configs = []
        for sensor in sensors:
            sensor_configs.append(sensor['config'])
            print(sensor['config'])
        with open("/gs/config/device_config.py", "w") as f:
            f.write("sensors = " + ujson.dumps(sensor_configs))
        
    def _is_config_existing(self):
        return self._is_file_existing('/gs/config/config.py')
    
    def _is_initial_config_existing(self):
        return self._is_file_existing('/gs/config/initial_config.py')
        
    def _is_file_existing(self, filepath):
        try:
            f = open(filepath, "r")
            f.close()
            # continue with the file.
            return True
        except OSError:  # open failed
           # handle the file open cas
            return False