#!/usr/bin/env python3

class Config:
	def __init__(self, file):
		self.COMMENT_MARK = '#'

		self.path = file

		try:
			with open(file, 'r') as conf:
				config = conf.read().split('\n')
		except:
			raise IOError('Couldn\'t read ' + file + '!')

		if not self.isValidFile(config):
			raise Exception('Error: ' + file + ' is no valid config file!')

		self.values = {}

		for c in config:
			if self.lineHasValue(c):
				parts = c.split('=')
				self.values[parts[0].strip()] = parts[1].strip()

	def getValue(self, key):
		try:
			return self.values[key]
		except:
			return None

	def getInt(self, key):
		value = self.getValue(key)

		if value == None:
			return None

		return int(value)

	def getFloat(self, key):
		return float(self.getValue(key))

	def getBool(self, key):
		return bool(self.getValue(key))

	def getString(self, key):
		return self.getValue(key)

	def getList(self, key):
		values = []

		for v in self.getValue(key).split(','):
			values.append(v.strip())

		return values

	def getIntList(self, key):
		values = []

		for i in self.getList(key):
			values.append(int(i))

		return values

	def lineHasValue(self, line):
		return not line.startswith(self.COMMENT_MARK) and len(line.replace(' ', '').replace('\n', '')) > 0 and line.count('=') == 1

	def lineHasSyntaxError(self, line):
		return not line.startswith(self.COMMENT_MARK) and len(line.replace(' ', '').replace('\n', '')) > 0 and line.count('=') != 1

	def isValidFile(self, config):
		count = 1
		for line in config:
			if self.lineHasSyntaxError(line):
				print(self.path + ' Line ' + str(count) + ': Invalid syntax!')
			count += 1

		return True