#!/bin/python
# -*- coding: utf-8 -*-

# Fenrir TTY screen reader
# By Chrys, Storm Dragon, and contributers.

import os, inspect
currentdir = os.path.dirname(os.path.realpath(os.path.abspath(inspect.getfile(inspect.currentframe()))))
fenrirPath = os.path.dirname(currentdir)

from configparser import ConfigParser
from fenrirscreenreader.core import debugManager
from fenrirscreenreader.core import memoryManager
from fenrirscreenreader.core import processManager
from fenrirscreenreader.core import eventManager
from fenrirscreenreader.core import inputManager
from fenrirscreenreader.core import outputManager
from fenrirscreenreader.core import commandManager
from fenrirscreenreader.core import screenManager
from fenrirscreenreader.core import punctuationManager
from fenrirscreenreader.core import cursorManager
from fenrirscreenreader.core import applicationManager
from fenrirscreenreader.core import helpManager
from fenrirscreenreader.core import headLineManager
from fenrirscreenreader.core import tableManager
from fenrirscreenreader.core import environment 
from fenrirscreenreader.core import inputData
from fenrirscreenreader.core.settingsData import settingsData
from fenrirscreenreader.core import debug
from fenrirscreenreader.utils import module_utils

class settingsManager():
    def __init__(self):
        self.settings = settingsData
        self.settingArgDict = {}
    def initialize(self, environment):
        self.env = environment
    def shutdown(self):
        pass
    def loadShortcuts(self, kbConfigPath=fenrirPath + '/../../config/keyboard/desktop.conf'):
        kbConfig = open(kbConfigPath,"r")
        while(True):
            invalid = False
            line = kbConfig.readline()
            if not line:
                break
            line = line.replace('\n','')
            if line.replace(" ","") == '':
                continue            
            if line.replace(" ","").startswith("#"):
                continue
            if line.count("=") != 1:
                continue
            sepLine = line.split('=')
            commandName = sepLine[1].upper()
            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:
                    if not self.isValidKey(key.upper()):
                        self.env['runtime']['debug'].writeDebugOut("invalid key : "+ key.upper() + ' command:' +commandName ,debug.debugLevel.WARNING)                    
                        invalid = True
                        break
                    shortcutKeys.append(key.upper()) 
            if invalid:
                continue
            shortcut.append(shortcutRepeat)
            shortcut.append(sorted(shortcutKeys))
            if len(shortcutKeys) != 1 and not 'KEY_FENRIR' in shortcutKeys:
                self.env['runtime']['debug'].writeDebugOut("invalid shortcut (missing KEY_FENRIR): "+ str(shortcut) + ' command:' +commandName ,debug.debugLevel.ERROR)                    
                continue            
            self.env['runtime']['debug'].writeDebugOut("Shortcut: "+ str(shortcut) + ' command:' +commandName ,debug.debugLevel.INFO, onAnyLevel=True)    
            self.env['bindings'][str(shortcut)] = commandName   
        kbConfig.close()
        # fix bindings 
        self.env['bindings'][str([1, ['KEY_F1', 'KEY_FENRIR']])] = 'TOGGLE_TUTORIAL_MODE'

    def loadSoundIcons(self, soundIconPath):
        siConfig = open(soundIconPath + '/soundicons.conf',"r")
        while(True):
            line = siConfig.readline()
            if not line:
                break
            line = line.replace('\n','')
            if line.replace(" ","") == '':
                continue            
            if line.replace(" ","").startswith("#"):
                continue
            if line.count("=") != 1:
                continue
            Values = line.split('=')
            soundIcon = Values[0].upper()
            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]
            self.env['soundIcons'][soundIcon] = soundIconFile
            self.env['runtime']['debug'].writeDebugOut("SoundIcon: " + soundIcon + '.' + soundIconFile, debug.debugLevel.INFO, onAnyLevel=True)               
        siConfig.close()
    def isValidKey(self, key):
        return key in inputData.keyNames
    
    def loadDicts(self, dictConfigPath=fenrirPath + '/../../config/punctuation/default.conf'):
        dictConfig = open(dictConfigPath,"r")
        currDictName = ''
        while(True):
            line = dictConfig.readline()
            if not line:
                break
            line = line.replace('\n','')
            if line.replace(" ","") == '':
                continue
            if line.replace(" ","").startswith("#"):
                continue
            if line.replace(" ","").upper().startswith("[") and \
              line.replace(" ","").upper().endswith("DICT]"):
                currDictName = line[line.find('[') + 1 :line.upper().find('DICT]') + 4].upper()
            else:
                if currDictName == '':
                    continue
                if not ":===:" in line:
                    continue
                sepLine = line.split(':===:')
                if len(sepLine) == 1:
                    sepLine.append('')
                elif len(sepLine) < 1:
                    continue
                elif len(sepLine) > 2:
                    sepLine[1] = ':===:'
                self.env['punctuation'][currDictName][sepLine[0]] = sepLine[1]
                self.env['runtime']['debug'].writeDebugOut("Punctuation: " + currDictName + '.' + str(sepLine[0]) + ' :' + sepLine[1] ,debug.debugLevel.INFO, onAnyLevel=True)    
        dictConfig.close()

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

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

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

    def getSettingAsInt(self, section, setting):
        value = 0
        try:
            value = int(self.settingArgDict[section.lower()][setting.lower()])
            return value            
        except Exception as e:
            pass
        try:
            value = self.env['settings'].getint(section, setting)
        except:
            value = self.settings[section][setting]
        return value

    def getSettingAsFloat(self, section, setting):
        value = 0.0
        try:
            value = float(self.settingArgDict[section.lower()][setting.lower()])
            return value            
        except Exception as e:
            pass        
        try:
            value = self.env['settings'].getfloat(section, setting)
        except:
            value = self.settings[section][setting]
        return value

    def getSettingAsBool(self, section, setting):
        value = False
        try:
            value = self.settingArgDict[section.lower()][setting.lower()].upper() in ['1','YES','JA','TRUE']
            return value
        except Exception as e:
            pass      
        try:
            value = self.env['settings'].getboolean(section, setting)
        except:
            value = self.settings[section][setting]
        return value

    def loadDriver(self, driverName, driverType):
        try:
            if self.env['runtime'][driverType] != None:
                self.env['runtime'][driverType].shutdown(self.env)    
            driver_mod = module_utils.importModule(driverName,
              fenrirPath + "/" + driverType + '/' + driverName + '.py')
            self.env['runtime'][driverType] = driver_mod.driver()
            self.env['runtime'][driverType].initialize(self.env)
            self.env['runtime']['debug'].writeDebugOut('Loading Driver '  + driverType + ' (' + driverName +") OK",debug.debugLevel.INFO, onAnyLevel=True)             
        except Exception as e:
            self.env['runtime'][driverType] = None
            self.env['runtime']['debug'].writeDebugOut('Loading Driver '  + driverType + ' (' + driverName +") FAILED:"+ str(e), debug.debugLevel.ERROR)
    def shutdownDriver(self, driverType):
        if self.env['runtime'][driverType] == None:
            return
        self.env['runtime'][driverType].shutdown()
        del self.env['runtime'][driverType]          

    def setFenrirKeys(self, keys):
        keys = keys.upper()
        keyList = keys.split(',')
        for key in keyList:
            if not key in  self.env['input']['fenrirKey']:
                self.env['input']['fenrirKey'].append(key)
    def setScriptKeys(self, keys):
        keys = keys.upper()
        keyList = keys.split(',')
        for key in keyList:
            if not key in  self.env['input']['scriptKey']:
                self.env['input']['scriptKey'].append(key)
    def setOptionArgDict(self, section, option, value):
        section = section.lower()
        option = option.lower()
        try:
            e = self.settingArgDict[section]
        except KeyError:
            self.settingArgDict[section] = {}
        self.settingArgDict[section][option] = str(value)    
    
    def parseSettingArgs(self, settingArgs):
        for optionElem in settingArgs.split(';'):
            if len(optionElem.split('#',1)) != 2:
                continue
            if len(optionElem.split('#',1)[1].split('=',1)) != 2:
                continue
            section = str(optionElem.split('#',1)[0]).lower()
            option = str(optionElem.split('#',1)[1].split('=',1)[0]).lower()
            value = optionElem.split('#',1)[1].split('=',1)[1]           
            self.setOptionArgDict(section, option, value)

    def initFenrirConfig(self, cliArgs, fenrirManager = None, environment = environment.environment):
        settingsRoot = '/etc/fenrirscreenreader/'
        settingsFile = cliArgs.setting
        soundRoot = '/usr/share/sounds/fenrirscreenreader/'
        # get fenrir settings root
        if not os.path.exists(settingsRoot):
            if os.path.exists(fenrirPath +'/../../config/'):
                settingsRoot = fenrirPath +'/../../config/'
            else:
                return None
        # get settings file
        if not os.path.exists(settingsFile):
            if os.path.exists(settingsRoot + '/settings/settings.conf'):
                settingsFile = settingsRoot + '/settings/settings.conf'
            else:
                return None            
        # get sound themes root
        if not os.path.exists(soundRoot):
            if os.path.exists(fenrirPath + '/../../config/sound/'):
                soundRoot = fenrirPath + '/../../config/sound/'

        environment['runtime']['settingsManager'] = self 
        environment['runtime']['settingsManager'].initialize(environment)

        validConfig = environment['runtime']['settingsManager'].loadSettings(settingsFile)
        if not validConfig:
            return None

        environment['runtime']['debug'] = debugManager.debugManager(self.env['runtime']['settingsManager'].getSetting('general','debugFile'))
        environment['runtime']['debug'].initialize(environment)
        
        if cliArgs.options != '':
            self.parseSettingArgs(cliArgs.options)
        if cliArgs.debug:
            self.setOptionArgDict('general', 'debugLevel', 3)   
        if cliArgs.print:
            self.setOptionArgDict('general', 'debugLevel', 3)  
            self.setOptionArgDict('general', 'debugMode', 'PRINT')                                               
        self.setFenrirKeys(self.getSetting('general','fenrirKeys'))
        self.setScriptKeys(self.getSetting('general','scriptKeys'))      
        
        if not os.path.exists(self.getSetting('keyboard','keyboardLayout')):
            if os.path.exists(settingsRoot + 'keyboard/' + self.getSetting('keyboard','keyboardLayout')):  
                self.setSetting('keyboard', 'keyboardLayout', settingsRoot + 'keyboard/' + self.getSetting('keyboard','keyboardLayout'))
                environment['runtime']['settingsManager'].loadShortcuts(self.getSetting('keyboard','keyboardLayout'))
            if os.path.exists(settingsRoot + 'keyboard/' + self.getSetting('keyboard','keyboardLayout') + '.conf'):  
                self.setSetting('keyboard', 'keyboardLayout', settingsRoot + 'keyboard/' + self.getSetting('keyboard','keyboardLayout') + '.conf')
                environment['runtime']['settingsManager'].loadShortcuts(self.getSetting('keyboard','keyboardLayout'))
        else:
            environment['runtime']['settingsManager'].loadShortcuts(self.getSetting('keyboard','keyboardLayout'))
        
        if not os.path.exists(self.getSetting('sound','theme') + '/soundicons.conf'):
            if os.path.exists(soundRoot + self.getSetting('sound','theme')):  
                self.setSetting('sound', 'theme', soundRoot + self.getSetting('sound','theme'))
                if os.path.exists(self.getSetting('sound','theme') + '/soundicons.conf'):  
                    environment['runtime']['settingsManager'].loadSoundIcons(self.getSetting('sound','theme'))
        else:
            environment['runtime']['settingsManager'].loadSoundIcons(self.getSetting('sound','theme'))

        if not os.path.exists(self.getSetting('general','punctuationProfile')):
            if os.path.exists(settingsRoot + 'punctuation/' + self.getSetting('general','punctuationProfile')):  
                self.setSetting('general', 'punctuationProfile', settingsRoot + 'punctuation/' + self.getSetting('general','punctuationProfile'))
                environment['runtime']['settingsManager'].loadDicts(self.getSetting('general','punctuationProfile'))
            if os.path.exists(settingsRoot + 'punctuation/' + self.getSetting('general','punctuationProfile') + '.conf'):  
                self.setSetting('general', 'punctuationProfile', settingsRoot + 'punctuation/' + self.getSetting('general','punctuationProfile') + '.conf')
                environment['runtime']['settingsManager'].loadDicts(self.getSetting('general','punctuationProfile'))
        else:
            environment['runtime']['settingsManager'].loadDicts(self.getSetting('general','punctuationProfile'))
        
        if fenrirManager:
            environment['runtime']['fenrirManager'] = fenrirManager
        environment['runtime']['memoryManager'] = memoryManager.memoryManager()
        environment['runtime']['memoryManager'].initialize(environment) 
        environment['runtime']['eventManager'] = eventManager.eventManager()
        environment['runtime']['eventManager'].initialize(environment)            
        environment['runtime']['processManager'] = processManager.processManager()  
        environment['runtime']['processManager'].initialize(environment)                                                        
        environment['runtime']['outputManager'] = outputManager.outputManager()
        environment['runtime']['outputManager'].initialize(environment)             
        environment['runtime']['commandManager'] = commandManager.commandManager()
        environment['runtime']['commandManager'].initialize(environment)  
        environment['runtime']['inputManager'] = inputManager.inputManager()
        environment['runtime']['inputManager'].initialize(environment)   
        environment['runtime']['punctuationManager'] = punctuationManager.punctuationManager()
        environment['runtime']['punctuationManager'].initialize(environment)  
        environment['runtime']['cursorManager'] = cursorManager.cursorManager()
        environment['runtime']['cursorManager'].initialize(environment)  
        environment['runtime']['applicationManager'] = applicationManager.applicationManager()
        environment['runtime']['applicationManager'].initialize(environment)  
        environment['runtime']['helpManager'] = helpManager.helpManager()
        environment['runtime']['helpManager'].initialize(environment) 
        environment['runtime']['headLineManager'] = headLineManager.headLineManager()
        environment['runtime']['headLineManager'].initialize(environment)      
        environment['runtime']['tableManager'] = tableManager.tableManager()
        environment['runtime']['tableManager'].initialize(environment)       
        if environment['runtime']['screenManager'] == None:
            environment['runtime']['screenManager'] = screenManager.screenManager()
            environment['runtime']['screenManager'].initialize(environment) 
            
        environment['runtime']['debug'].writeDebugOut('\/-------environment-------\/',debug.debugLevel.INFO, onAnyLevel=True)        
        environment['runtime']['debug'].writeDebugOut(str(environment), debug.debugLevel.INFO, onAnyLevel=True)
        environment['runtime']['debug'].writeDebugOut('\/-------settings.conf-------\/', debug.debugLevel.INFO, onAnyLevel=True)        
        environment['runtime']['debug'].writeDebugOut(str(environment['settings']._sections) , debug.debugLevel.INFO, onAnyLevel=True)
        environment['runtime']['debug'].writeDebugOut('\/-------self.settingArgDict-------\/',debug.debugLevel.INFO, onAnyLevel=True)        
        environment['runtime']['debug'].writeDebugOut(str( self.settingArgDict) ,debug.debugLevel.INFO, onAnyLevel=True)
        return environment