#!/bin/python
import evdev
import importlib.util
import os
from configparser import ConfigParser
from core import inputManager
from core import outputManager
from core import commandManager
from core import screenManager
from core import environment 
from core.settings import settings
from utils import debug

class settingsManager():
    def __init__(self):
        self.settings = settings
    def initialize(self, environment):
        return environment
    def shutdown(self, environment):
        return environment
    def loadShortcuts(self, environment, kbConfigPath='../../config/keyboard/desktop.conf'):
        kbConfig = open(kbConfigPath,"r")
        while(True):
            line = kbConfig.readline()
            if not line:
                break
            line = line.replace('\n','')
            if line.replace(" ","").startswith("#"):
                continue
            if line.count("=") != 1:
                continue
            sepLine = line.split('=')
            commandName = sepLine[1]
            sepLine[0] = sepLine[0].replace(" ","")
            sepLine[0] = sepLine[0].replace("'","")
            sepLine[0] = sepLine[0].replace('"',"")
            keys = sepLine[0].split(',')
            shortcutKeys = []
            shortcutRepeat = 1
            shortcut = []
            for key in keys:
                try:
                    shortcutRepeat = int(key)
                except:
                    shortcutKeys.append(key.upper()) 
            shortcut.append(shortcutRepeat)
            shortcut.append(sorted(shortcutKeys))
            print(str(shortcut), commandName)
            environment['bindings'][str(shortcut)] = commandName     
        kbConfig.close()


    def getCodeForKeyID(self, keyID):
        try:
            return evdev.ecodes.ecodes[keyID.upper()]
        except:
            return 0

    def loadSoundIcons(self, environment, soundIconPath):
        siConfig = open(soundIconPath + '/soundicons.conf',"r")
        while(True):
            line = siConfig.readline()
            if not line:
                break
            line = line.replace('\n','')
            if line.replace(" ","").startswith("#"):
                continue
            if line.count("=") != 1:
                continue
            Values = line.split('=')
            soundIcon = Values[0]
            Values[1] = Values[1].replace("'","")
            Values[1] = Values[1].replace('"',"")
            soundIconFile = ''
            if os.path.exists(Values[1]):
                soundIconFile = Values[1]
            else:
                if not soundIconPath.endswith("/"):
                    soundIconPath += '/'
                if os.path.exists(soundIconPath + Values[1]):
                    soundIconFile = soundIconPath + Values[1]
            environment['soundIcons'][soundIcon] = soundIconFile
        siConfig.close()
        return environment

    def loadSettings(self, environment, settingConfigPath):
        if not os.path.exists(settingConfigPath):
            return False
        environment['settings'] = ConfigParser()
        environment['settings'].read(settingConfigPath)
        return True

    def setSetting(self, environment, section, setting, value):
        environment['settings'].set(section, setting, value)
        return environment

    def getSetting(self, environment, section, setting):
        value = ''
        try:
            value = environment['settings'].get(section, setting)
        except:
            value = str(self.settings[section][setting])
        return value

    def getSettingAsInt(self, environment, section, setting):
        value = 0
        try:
            value = environment['settings'].getint(section, setting)
        except:
            value = self.settings[section][setting]
        return value

    def getSettingAsFloat(self, environment, section, setting):
        value = 0.0
        try:
            value = environment['settings'].getfloat(section, setting)
        except:
            value = self.settings[section][setting]
        return value

    def getSettingAsBool(self, environment, section, setting):
        value = False
        try:
            value = environment['settings'].getboolean(section, setting)
        except:
            value = self.settings[section][setting]
        return value

    def loadDriver(self, environment, driverName, driverType):
        if environment['runtime'][driverType] != None:
            print('shutdown %s',driverType)
            environment['runtime'][driverType].shutdown(environment)    
        spec = importlib.util.spec_from_file_location(driverName, driverType + '/' + driverName + '.py')
        driver_mod = importlib.util.module_from_spec(spec)
        spec.loader.exec_module(driver_mod)
        environment['runtime'][driverType] = driver_mod.driver()
        environment['runtime'][driverType].initialize(environment)           

    def setFenrirKeys(self, environment, keys):
        keys = keys.upper()
        keyList = keys.split(',')
        for key in keyList:
            if not key in  environment['input']['fenrirKey']:
                environment['input']['fenrirKey'].append(key)

    def keyIDasString(self, key):
        try:
            KeyID = self.getCodeForKeyID(key)
            return str(KeyID)
        except:
            return ''

    def initFenrirConfig(self, environment = environment.environment, settingsRoot = '/etc/fenrir/', settingsFile='settings.conf'):
        environment['runtime']['debug'] = debug.debug()
        if not os.path.exists(settingsRoot):
            if os.path.exists('../../config/'):
                settingsRoot = '../../config/'
            else:
                return None
               
        environment['runtime']['settingsManager'] = self    
        validConfig = environment['runtime']['settingsManager'].loadSettings(environment, settingsRoot + '/settings/' + settingsFile)
        if not validConfig:
            return None
        self.setFenrirKeys(environment, self.getSetting(environment, 'general','fenrirKeys'))
        if not os.path.exists(self.getSetting(environment, 'keyboard','keyboardLayout')):
            if os.path.exists(settingsRoot + 'keyboard/' + self.getSetting(environment, 'keyboard','keyboardLayout')):  
                self.setSetting(environment, 'keyboard', 'keyboardLayout', settingsRoot + 'keyboard/' + self.getSetting(environment, 'keyboard','keyboardLayout'))
                environment['runtime']['settingsManager'].loadShortcuts(environment, self.getSetting('keyboard','keyboardLayout'))
            if os.path.exists(settingsRoot + 'keyboard/' + self.getSetting(environment, 'keyboard','keyboardLayout') + '.conf'):  
                self.setSetting(environment, 'keyboard', 'keyboardLayout', settingsRoot + 'keyboard/' + self.getSetting(environment, 'keyboard','keyboardLayout') + '.conf')
                environment['runtime']['settingsManager'].loadShortcuts(environment, self.getSetting(environment, 'keyboard','keyboardLayout'))
        else:
            environment['runtime']['settingsManager'].loadShortcuts(environment, self.getSetting(environment, 'keyboard','keyboardLayout'))
        
        if not os.path.exists(self.getSetting(environment, 'sound','theme') + '/soundicons.conf'):
            if os.path.exists(settingsRoot + 'sound/'+ self.getSetting(environment, 'sound','theme')):  
                self.setSetting(environment, 'sound', 'theme', settingsRoot + 'sound/'+ self.getSetting(environment, 'sound','theme'))
                if os.path.exists(settingsRoot + 'sound/'+ self.getSetting(environment, 'sound','theme') + '/soundicons.conf'):  
                     environment['runtime']['settingsManager'].loadSoundIcons(environment, self.getSetting(environment, 'sound','theme'))
        else:
            environment['runtime']['settingsManager'].loadSoundIcons(environment, self.getSetting(environment, 'sound','theme'))

        environment['runtime']['inputManager'] = inputManager.inputManager()
        environment['runtime']['inputManager'].initialize(environment)             
        environment['runtime']['outputManager'] = outputManager.outputManager()
        environment['runtime']['outputManager'].initialize(environment)             
        environment['runtime']['commandManager'] = commandManager.commandManager()
        environment['runtime']['commandManager'].initialize(environment)  
    
        if environment['runtime']['screenManager'] == None:
            environment['runtime']['screenManager'] = screenManager.screenManager()
            environment['runtime']['screenManager'].initialize(environment) 
            
        environment['runtime']['debug'].writeDebugOut(environment,'\/-------environment-------\/',debug.debugLevel.ERROR)        
        environment['runtime']['debug'].writeDebugOut(environment,str(environment),debug.debugLevel.ERROR)
        environment['runtime']['debug'].writeDebugOut(environment,'\/-------settings.conf-------\/',debug.debugLevel.ERROR)        
        environment['runtime']['debug'].writeDebugOut(environment,str(environment['settings']._sections
),debug.debugLevel.ERROR)        
        return environment