import json
import os
import pygame
from subprocess import call
from pathlib import Path


def file_check():
	synth_speech('responses/ask_name.mp3', 'What is your name? or say quit to leave')
	synth_speech('responses/ask_pass.mp3', 'Please provide your password or say quit to leave')
	synth_speech('responses/take_picture.mp3', 'Stand in front of the camera')
	synth_speech('responses/no_account_exists.mp3', 'No current account registration will begin in a moment')
	synth_speech('responses/account_exists.mp3', 'A current account owner will be needed to create a new account')
	synth_speech('responses/ask_account_name.mp3', 'Account owner what is your name?')
	synth_speech('responses/start_registration.mp3', 'We can now start registration')

def synth_speech(file_name, text):
	with open('config.json') as json_config:
		config = json.load(json_config)

	base_call = 'curl -X POST -u "{}":"{}" --header "Content-Type: application/json" --header "Accept: audio/mp3" --data '.format(config['text-to-speech-user'], config['text-to-speech-password'])

	file = Path(file_name)
	if not file.is_file():
		divider = '\\\"'
		text_string = '\"{' + divider + 'text' + divider + ':' + divider + text + divider + '}\"'
		complete_call = base_call + text_string + ' --output {} "https://stream.watsonplatform.net/text-to-speech/api/v1/synthesize?voice=en-US_MichaelVoice"'.format(file_name)
		call(complete_call, shell=True)
		print complete_call

def recognize_speech():
	with open('config.json') as json_config:
		config = json.load(json_config)

	base_call = 'curl -X POST -u "{}":"{}" --header "Content-Type: audio/mp3" --data-binary "@response.mp3" '.format(config['speech-to-text-user'], config['speech-to-text-pass']) + \
		'"https://stream.watsonplatform.net/speech-to-text/api/v1/recognize?timestamps=true&word_alternatives_threshold=0.9" >> response.json'


def register():
	accounts_file = Path('accounts.json')
	accounts = []
	pygame.mixer.init()
	if accounts_file.is_file():
		call('mpg123 responses/account_exists.mp3', shell=True)
		if(not verify_account()):
			return False
	else:
		call('mpg123 responses/no_account_exists.mp3', shell=True)
		pass


	call('mpg123 responses/start_registration.mp3', shell=True)
	confirmed = False
	while(not confirmed):
		call('mpg123 responses/ask_name.mp3', shell=True)
		call('arecord -D plughw:1 --duration=10 -f cd response.mp3', shell=True)
		recognize_speech()
		with open('response.json') as json_response:
			response = json.load(json_response)
		name = temp_data['results'][0]['alternatives'][0]['transcript']
		synth_speech('responses/confirm_name.mp3', 'Confirm with yes that your name is {}'.format(name))
		call('mpg123 responses/confirm_name.mp3', shell=True)
		call('arecord -D plughw:1 --duration=10 -f cd response.mp3')
		recognize_speech()
		with open('response.json') as json_response:
			response = json.load(json_response)
		confirmation_text = temp_data['results'][0]['alternatives'][0]['transcript']
		if confirmation_text.upper() == "YES":
			break
		else:
			pass
	confirmed = False
	while(not confirmed):
		call('mpg123 responses/ask_pass.mp3', shell=True)
		record_speech()
		recognize_speech()
		with open('response.json') as json_response:
			response = json.load(json_response)
		password = temp_data['results'][0]['alternatives'][0]['transcript']
		synth_speech('responses/confirm_pass.mp3', 'Confirm with yes that your password is {}'.format(password))
		call('mpg123 responses/confirm_pass.mp3', shell=True)
		record_speech()
		recognize_speech()
		with open('response.json') as json_response:
			response = json.load(json_response)
		confirmation_text = temp_data['results'][0]['alternatives'][0]['transcript']
		if confirmation_text.upper() == "YES":
			break
		else:
			pass
	account = {{
		"name": name,
		"password": password
	}}
	with open('accounts.json', 'w') as outfile:
		json.dump(account, outfile)

def verify_account():
	with open('accounts.json') as json_accounts:
		accounts = json.load(json_accounts)

	account_found = False
	while(not account_found):
		call('mpg123 responses/ask_account_name.mp3', shell=True)
		record_speech()
		recognize_speech()
		with open('response.json') as json_response:
			response = json.load(json_response)
		text = temp_data['results'][0]['alternatives'][0]['transcript']
		for account in accounts:
			if account['name'].upper() == text.upper():
				account_found = true
			elif text.upper() == 'QUIT' or text.upper() == '':
				return False

	password_valid = False
	while(not password_valid):
		call('mpg123 responses/ask_password.mp3', shell=True)
		record_speech()
		recognize_speech()
		with open('response.json') as json_response:
			response = json.load(json_response)
		text = temp_data['results'][0]['alternatives'][0]['transcript']
		for account in accounts:
			if account['password'].upper() == text.upper():
				account_found = true
			elif text.upper() == 'QUIT' or text.upper() == '':
				return False
	return True

def record_speech():
	call('rm responses/response.mp3', shell=True)
	call('arecord -D plughw:1 --duration=10 -f cd responses/response.mp3', shell=True)


if __name__ == "__main__":
	file_check()
	register()