import objc
from AppKit import NSSpeechSynthesizer,NSSpeechInputModeProperty,NSSpeechModePhoneme
from Foundation import NSURL,NSError,NSObject
import json
import random
import os
import re
import subprocess


dest_filename = lambda p: p+str(random.randint(0,10000))+'.aiff'
dest_path = lambda p: os.path.abspath('.')+'/outputs/audio/'+p
dest_url = lambda p: NSURL.fileURLWithPath_(dest_path(p))

def cli_gen_audio(word,rate,voice,out_path):
    subprocess.call(['say','-v',voice,'-r',str(rate),'-o',out_path,word])

class SynthFile(object):
    """docstring for SynthFile."""
    def __init__(self,word, filename,voice,rate,operation):
        super(SynthFile, self).__init__()
        self.word = word
        self.filename = filename
        self.voice = voice
        self.rate = rate
        self.operation = operation

    def get_json(self):
        return {'filename':self.filename,'voice':self.voice,
                'rate':self.rate,'operation':self.operation}

    def get_csv(self):
        return '{},{},{},{},{}\n'.format(self.word,self.voice,self.rate,self.operation,self.filename)

class SynthVariant(object):
    """docstring for SynthVariant."""
    def __init__(self,identifier,rate,op):
        super(SynthVariant, self).__init__()
        self.synth = NSSpeechSynthesizer.alloc().initWithVoice_(identifier)
        self.synth.setVolume_(100)
        # sp.setVoice_(identifier)
        self.synth.setRate_(rate)
        self.phone_synth = NSSpeechSynthesizer.alloc().initWithVoice_(identifier)
        self.phone_synth.setVolume_(100)
        self.phone_synth.setRate_(rate)
        self.phone_synth.setObject_forProperty_error_(NSSpeechModePhoneme,NSSpeechInputModeProperty,None)
        self.identifier = identifier
        self.rate = rate
        self.name = identifier.split('.')[-1]
        self.operation = op

    def __repr__(self):
        return 'Synthesizer[{} - {}]({})'.format(self.name,self.rate,self.operation)

    def generate_audio(self,word):
        fname = dest_filename(word)
        d_path = dest_path(fname)
        d_url = dest_url(fname)
        started = False
        if self.operation == 'normal':
            # self.synth.startSpeakingString_toURL_(word,d_url)
            cli_gen_audio(word,self.rate,self.name,d_path)
        else:
            orig_phon = self.synth.phonemesFromText_(word)
            phon = '[[inpt PHON]] '+re.sub('[0-9]','',orig_phon)
            cli_gen_audio(phon,self.rate,self.name,d_path)
            # if phon != '':
            #     self.phone_synth.startSpeakingString_toURL_(phon,d_url)
            # else:
            #     self.synth.startSpeakingString_toURL_(word,d_url)
        return SynthFile(word,fname,self.name,self.rate,self.operation)

    def synth_file(self,word):
        # s = objc.selector(self.generate_audio,signature=b"@@:@")
        # obj = NSObject.alloc().init()
        # sf = obj.performSelectorOnMainThread_withObject_waitUntilDone_(s,word,True)
        # return sf
        return self.generate_audio(word)


def synth_generator():
    voices_installed = NSSpeechSynthesizer.availableVoices()
    voice_attrs = [NSSpeechSynthesizer.attributesForVoice_(v) for v in  voices_installed]
    us_voices_ids = [v['VoiceIdentifier'] for v in voice_attrs if v['VoiceLanguage'] == 'en-US']
    voice_rates = list(range(180,221,(220-180)//4))
    voice_synths = []
    variants = ['normal','phoneme']
    for v in us_voices_ids:
        for r in voice_rates:
            for o in variants:
                voice_synths.append(SynthVariant(v,r,o))
    def synth_for_words(words):
        all_synths = []
        for s in voice_synths:
            for w in words:
                all_synths.append(s.synth_file(w))
            # print(s)
        # return [s.synth_file(word) for s in voice_synths]
        return all_synths
    return synth_for_words

def write_synths(synth_list,fname,csv=False):
    f = open(fname,'w')
    if csv:
        for s in synth_list:
            f.write(s.get_csv())
    else:
        json.dump([s.get_json() for s in synth_list],f)
    f.close()

def generate_audio_for_stories():
    stories_data = json.load(open('./inputs/all_stories_hs.json'))
    word_list = [t[0] for i in stories_data.values() for t in i]
    words_audio_synth = synth_generator()
    # all_synths = []
    # for word in word_list[:1]:
    #     words_synths = word_audio_synth(word)
    #     all_synths.extend(words_synths)
    return words_audio_synth(word_list)

# synths = synth_generator()(['education'])
synths = generate_audio_for_stories()
write_synths(synths,'./outputs/synth_data.csv',True)
# write_synths(synths,'./outputs/synths.json')