from fastapi import FastAPI,Cookie, Depends, FastAPI, Query, WebSocket, status, WebSocketDisconnect
from os import listdir
from os.path import isfile, isdir, join
import threading
import zhtts
import os 
import urllib
from typing import List
import requests
from pydantic import BaseModel
from bs4 import BeautifulSoup
from PIL import Image,ImageDraw,ImageFont
import pyttsx3
import rpyc
import random
import time
import math
import hashlib
import re
import asyncio
import urllib.request
from fastapi.responses import FileResponse
from websocket import create_connection
from fastapi.middleware.cors import CORSMiddleware
import dataset
from datetime import datetime
from util.swap_face import swap_face
from fastapi.staticfiles import StaticFiles
#service nginx restart 
#uvicorn main:app --host="0.0.0.0" --reload --port 8878

app = FastAPI()
origins = [
    "https://hhh.com.tw"
    "http://172.105.205.52",
    "http://172.105.205.52:8001",
    "http://172.104.93.163",
]

app.add_middleware(
    CORSMiddleware,
    # allow_origins=origins,
    allow_origins=["*"],
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

app.mount("/static", StaticFiles(directory="static"), name="static")
app.mount("/static/img", StaticFiles(directory="static/img"), name="static/img")

dir_sound = 'mp3_track/'
dir_photo = 'photo/'
dir_text = 'text_file/'
dir_video = 'video_material/'
dir_title = 'title/'
dir_subtitle = 'subtitle/'
dir_anchor = 'anchor_raw/'

class swap_req(BaseModel):
    imgurl: str

class request(BaseModel):
    name: str
    text_content: List[str]
    image_urls: List[str]
    avatar: str
    client_id :str


class ConnectionManager:
    def __init__(self):
        self.active_connections: List[WebSocket] = []

    async def connect(self, websocket: WebSocket):
        await websocket.accept()
        self.active_connections.append(websocket)

    def disconnect(self, websocket: WebSocket):
        self.active_connections.remove(websocket)

    async def send_personal_message(self, message: str, websocket: WebSocket):
        await websocket.send_text(message)

    async def broadcast(self, message: str):
        for connection in self.active_connections:
            await connection.send_text(message)




@app.get("/")
async def root():
    return {"message": "Hello, this is index"}

@app.get("/index2")
async def index2():
    return FileResponse('static/index2.html')

@app.get("/gen_avatar")
async def index2():
    return FileResponse('gen_avatar.html')

@app.post("/swapFace")
async def swapFace(req:swap_req):
    sf = swap_face(req.imgurl)
    result = sf.run()
    #notify_group(result)hi
    return result


@app.post("/make_anchor_video_v2")
async def make_anchor_video_v2(req:request):
    for txt in req.text_content:
        if re.search('[a-zA-Z]', txt) !=None:
            return {'msg':'輸入字串不能包含英文字!'}
    name_hash = str(time.time()).replace('.','')
    for imgu in req.image_urls:
        try:
            if get_url_type(imgu) =='video/mp4':
                r=requests.get(imgu)
                f=open(dir_photo+name_hash+"/"+str(img_num)+".mp4",'wb')
            else:
                im = Image.open(requests.get(imgu, stream=True).raw)
                im= im.convert("RGB")
        except:
            return {'msg':"無法辨別圖片網址"+imgu}
    
    save_history(req,name_hash)
    x = threading.Thread(target=anchor_video_v2, args=(name_hash,req.name, req.text_content, req.image_urls,int(req.avatar),req.client_id))
    x.start()
    return {"msg":"製作影片需要時間，請您耐心等候  稍後可以在www.choozmo.com:8168/"+name_hash+".mp4 中觀看"} 

manager = ConnectionManager()
@app.websocket("/progress/{client_id}")
async def websocket_endpoint(websocket: WebSocket, client_id: int):
    await manager.connect(websocket)
    try:
        while True:
            data = await websocket.receive_text()
            await manager.send_personal_message(data, websocket)
            await manager.broadcast(data)
    except WebSocketDisconnect:
        manager.disconnect(websocket)
        

@app.get("/history_input")
async def history_input():
    db = dataset.connect('mysql://choozmo:pAssw0rd@db.ptt.cx:3306/AI_anchor?charset=utf8mb4')
    statement = 'SELECT * FROM history_input ORDER BY timestamp DESC LIMIT 50'
    logs = []
    for row in db.query(statement):
        logs.append({'id':row['id'],'name':row['name'],'text_content':row['text_content'].split(','),'link':row['link'],'image_urls':row['image_urls'].split(',')})
    return logs

def notify_group(msg):
    glist=['7vilzohcyQMPLfAMRloUawiTV4vtusZhxv8Czo7AJX8','WekCRfnAirSiSxALiD6gcm0B56EejsoK89zFbIaiZQD','1dbtJHbWVbrooXmQqc4r8OyRWDryjD4TMJ6DiDsdgsX']
    for gid in glist:
        headers = {
                "Authorization": "Bearer " + gid,
                "Content-Type": "application/x-www-form-urlencoded"
        }
        params = {"message": msg}   
        r = requests.post("https://notify-api.line.me/api/notify",headers=headers, params=params)


def save_history(req,name_hash):
    db = dataset.connect('mysql://choozmo:pAssw0rd@db.ptt.cx:3306/AI_anchor?charset=utf8mb4')
    log_table = db['history_input']
    txt_content_seperate_by_dot = ''
    for txt in req.text_content:
        txt_content_seperate_by_dot += txt+","
    txt_content_seperate_by_dot = txt_content_seperate_by_dot[:-1]
    img_urls_seperate_by_dot = ''
    for iurl in req.image_urls:
        img_urls_seperate_by_dot += iurl+","
    img_urls_seperate_by_dot = img_urls_seperate_by_dot[:-1]
    time_stamp = datetime.fromtimestamp(time.time())
    time_stamp = time_stamp.strftime("%Y-%m-%d %H:%M:%S")
    pk = log_table.insert({'name':req.name,'text_content':txt_content_seperate_by_dot,'image_urls':img_urls_seperate_by_dot,'link':'www.choozmo.com:8168/'+name_hash+'.mp4','timestamp':time_stamp})
    

def cKey(r,g,b,fuzz):
    col=openshot.Color()
    col.red=openshot.Keyframe(r)
    col.green=openshot.Keyframe(g)
    col.blue=openshot.Keyframe(b)
    return openshot.ChromaKey(col, openshot.Keyframe(fuzz))

def video_photo_clip(vid=None,layer=None, position=None, end=None
    ,scale_x=1,scale_y=1,location_x=0,location_y=0,ck=None,audio=True):
    clip = openshot.Clip(vid)
    clip.Layer(layer)
    clip.Position(position)
    clip.End(end)
    clip.scale_x=openshot.Keyframe(scale_x)
    clip.scale_y=openshot.Keyframe(scale_y)
    clip.location_x=openshot.Keyframe(location_x)
    clip.location_y=openshot.Keyframe(location_y)
    
    if ck!=None:
        clip.AddEffect(ck)
    if audio==True:
        clip.has_audio=openshot.Keyframe(1)
    else:
        clip.has_audio=openshot.Keyframe(0)
    return clip




def myunichchar(unicode_char):
        mb_string = unicode_char.encode('big5')
        try:
            unicode_char = unichr(ord(mb_string[0]) << 8 | ord(mb_string[1]))
        except NameError:
            unicode_char = chr(mb_string[0] << 8 | mb_string[1])
        return unicode_char


def file_prepare(name, name_hash,text_content,image_urls):
    #save image
    try:
        os.mkdir(dir_photo+name_hash)
    except FileExistsError:
        print("Directory " , dir_photo+name_hash ,  " already exists")
    img_num = 1
    for imgu in image_urls:
        im = Image.open(requests.get(imgu, stream=True).raw)
        im.save(dir_photo+name_hash+"/"+str(img_num)+".jpg")
        img_num+=1
    #save text
    text_file = open(dir_text+name_hash+".txt", "w")
    text_file.write(text_content)
    text_file.close()
    print("text file made")
    #make mp3
    tts = zhtts.TTS() 
    tts.text2wav(text_content,dir_sound+name_hash+".mp3")
    print("mp3 file made")
    #make title as image
    txt2image(name, dir_title+name_hash+".png")

def get_url_type(url):
    req = urllib.request.Request(url, method='HEAD', headers={'User-Agent': 'Mozilla/5.0'})
    r = urllib.request.urlopen(req)
    contentType = r.getheader('Content-Type')
    return contentType
    
def downloadfile(name,url):
    name=name+".mp4"
    
def make_dir(name_hash):
    #save image
    try:
        os.mkdir(dir_photo+name_hash)
    except FileExistsError:
        print("~~~~~~Warning~~~~~~~~~Directory " , dir_photo+name_hash ,  " already exists")
    try:
        os.mkdir(dir_text+name_hash)
    except FileExistsError:
        print("~~~~~~Warning~~~~~~~~~Directory " , dir_text+name_hash ,  " already exists")
    try:
        os.mkdir(dir_sound+name_hash)
    except FileExistsError:
        print("~~~~~~Warning~~~~~~~~~Directory " , dir_sound+name_hash ,  " already exists")
    try:
        os.mkdir(dir_video+name_hash)
    except FileExistsError:
        print("~~~~~~Warning~~~~~~~~~Directory " , dir_video+name_hash ,  " already exists")
    try:
        os.mkdir(dir_anchor+name_hash)
    except FileExistsError:
        print("~~~~~~Warning~~~~~~~~~Directory " , dir_anchor+name_hash ,  " already exists")
    try:
        os.mkdir(dir_subtitle+name_hash)
    except FileExistsError:
        print("~~~~~~Warning~~~~~~~~~Directory " , dir_subtitle+name_hash ,  " already exists")

def file_prepare_v2(name, name_hash,text_content,image_urls):
    make_dir(name_hash)
    img_num = 1
    for imgu in image_urls:
        if get_url_type(imgu) =='video/mp4':
            r=requests.get(imgu)
            f=open(dir_photo+name_hash+"/"+str(img_num)+".mp4",'wb')
            for chunk in r.iter_content(chunk_size=255): 
                if chunk:
                    f.write(chunk)
            f.close()
        else:
            im = Image.open(requests.get(imgu, stream=True).raw)
            im= im.convert("RGB")
            im.save(dir_photo+name_hash+"/"+str(img_num)+".jpg")
        img_num+=1
    #save text
    txt_idx=0
    for txt in text_content:
        text_file = open(dir_text+name_hash+"/"+str(txt_idx)+".txt", "w")
        text_file.write(txt)
        text_file.close()
        txt_idx+=1
    print("text file made")
    #make mp3
    language = 'zh-tw'
    txt_idx = 0
    for txt in text_content:
        tts = zhtts.TTS() 
        tts.text2wav(txt,dir_sound+name_hash+"/"+str(txt_idx)+".mp3")
        txt_idx+=1
    print("mp3 file made")
    #make title as image
    txt2image_title(name, dir_title+name_hash+".png")

def txt2image(content, save_target):
    unicode_text = trim_punctuation(content)
    font = ImageFont.truetype(font="font/DFT_B7.ttc", size=38)
    text_width, text_height = font.getsize(unicode_text)
    canvas = Image.new('RGBA', (700, 500), (255, 0, 0, 0) )
    draw = ImageDraw.Draw(canvas)
    text= unicode_text
    draw.text((5,5), text, (255, 255, 0), font)
    canvas.save(save_target, "PNG")
def txt2image_title(content, save_target):
    unicode_text = trim_punctuation(content)
    font = ImageFont.truetype(font="font/DFT_B7.ttc", size=28)
    text_width, text_height = font.getsize(unicode_text)
    canvas = Image.new('RGBA', (510, 500), (255, 0, 0, 0) )
    draw = ImageDraw.Draw(canvas)
    text= unicode_text
    draw.text((5,5), text, (17, 41, 167), font)
    canvas.save(save_target, "PNG")
'''
def txt2image_title(content, save_target):
    unicode_text =content
    font = ImageFont.truetype("font.ttf", 23,encoding='big5')
    text_width, text_height = font.getsize(unicode_text)
    canvas = Image.new('RGBA', (500, 500), (255, 0, 0, 0) )
    draw = ImageDraw.Draw(canvas)
    text=''
    for c in unicode_text:
        if len(re.findall(r'[\u4e00-\u9fff]+', c))>0:
            text+=myunichchar(c)
        else:
            text+=c
    draw.text((5,5), text, (17, 41, 167), font)
    canvas.save(save_target, "PNG")
'''
def call_anchor(fileName,avatar):
    conn = rpyc.classic.connect("192.168.1.105",18812)
    ros = conn.modules.os 
    rsys = conn.modules.sys 
    fr=open(dir_sound+fileName+".mp3",'rb')# voice
    #warning!!!    file my be replaced by other process
    fw=conn.builtins.open('/tmp/output.mp3','wb')

    while True:
        b=fr.read(1024)
        if b:
            fw.write(b)
        else:
            break

    fr.close()
    fw.close()

    val=random.randint(1000000,9999999)
    ros.chdir('/home/jared/to_video')
    ros.system('./p'+str(avatar)+'.sh '+str(val)+' &')

    while True:
        print('waiting...')
        if ros.path.exists('/tmp/results/'+str(val)):
            break
        time.sleep(5)
        print('waiting...')

    fr=conn.builtins.open('/tmp/results/'+str(val)+'.mp4','rb')
    fw=open(dir_anchor+fileName+".mp4",'wb')#peggy1_1
    while True:
        b=fr.read(1024)
        if b:
            fw.write(b)
        else:
            break

    fr.close()
    fw.close()



def trim_punctuation(s):
    pat_block = u'[^\u4e00-\u9fff0-9a-zA-Z]+';
    pattern = u'([0-9]+{0}[0-9]+)|{0}'.format(pat_block)
    res = re.sub(pattern, lambda x: x.group(1) if x.group(1) else u"" ,s)
    return res

def splitter(s):
    for sent in re.findall(u'[^!?，。\!\?]+[!?。\!\?]?', s, flags=re.U):
        yield sent

def split_by_pun(s):
    res = list(splitter(s))
    return res

def generate_subtitle_image(name_hash,text_content):
    img_list = [None]*len(text_content)
    for idx in range(len(text_content)):
        img_list[idx]=[]
        senList = split_by_pun(text_content[idx])
        for inner_idx in range(len(senList)):
            sv_path = dir_subtitle + name_hash +'/'+str(idx)+ str(inner_idx) +'.png'
            sub = senList[inner_idx]
            txt2image(sub,sv_path)
            img_list[idx]+=[{"count":len(sub),"path":sv_path}]
    return img_list

async def sendProgress(progress,client_id):
    ws = create_connection("ws://www.choozmo.com:8888/progress/"+client_id)
    ws.send(str(progress))
    ws.close()

def anchor_video_v2(name_hash,name,text_content, image_urls,avatar,client_id):
    
    progress = 0
    asyncio.run(sendProgress(progress,client_id))
    
    
    print('sub image made')
    file_prepare_v2(name, name_hash, text_content,image_urls)
    progress = 20
    asyncio.run(sendProgress(progress,client_id))
    sub_list=generate_subtitle_image(name_hash,text_content)
    progress = 30
    asyncio.run(sendProgress(progress,client_id))
    
    progress_per_video = int(40/len(text_content))
    for fname in range(len(text_content)):
        call_anchor(name_hash+"/"+str(fname),avatar)
        progress += progress_per_video
        print('step finish')
        asyncio.run(sendProgress(progress,client_id))
    print('called............................................')

    ck=cKey(0,254,0,270)
    ck_anchor=cKey(0,255,1,320)
    duration = 0
    #average layer level is 3
    t = openshot.Timeline(1280, 720, openshot.Fraction(30000, 1000), 44100, 2, openshot.LAYOUT_STEREO)
    t.Open()

    main_timer = 0
    
    LOGO_OP = openshot.FFmpegReader(dir_video+"LOGO_OP.mp4")
    LOGO_OP.Open()         # Open the reader
    LOGO_OP_clip = video_photo_clip(vid=LOGO_OP,layer=4,position=0,end=LOGO_OP.info.duration
                    ,location_y=-0.03,scale_x=0.8,scale_y=0.704)
    t.AddClip(LOGO_OP_clip)
    bg_head = openshot.FFmpegReader(dir_video+"bg_head.avi")
    bg_head.Open()
    bg_head_clip = video_photo_clip(vid=bg_head,layer=2,position=0,end=LOGO_OP.info.duration,ck=ck)
    t.AddClip(bg_head_clip)
    main_timer += LOGO_OP.info.duration
    head_duration = LOGO_OP.info.duration
    bg_head.Close()
    LOGO_OP.Close()
    progress += 10
    

    
    clip_duration=0
    photo_clip_list = [None]*len(text_content)
    img_list = [None]*len(text_content)
    anchor_clip_list = [None] * len(text_content)
    anchor_list = [None] * len(text_content)
    audio_clip_list = [None] * len(text_content)
    audio_list = [None] * len(text_content)
    sub_clip_list = [None] * len(text_content)
    sub_img_list = [None] * len(text_content)
    
    idx = 0
    for p in listdir(dir_photo+name_hash):
        
        anchor_list[idx] = openshot.FFmpegReader(dir_anchor+name_hash+"/"+str(idx)+".mp4")
        clip_duration = anchor_list[idx].info.duration
        anchor_list[idx].Open()
        anchor_clip_list[idx] = video_photo_clip(vid=anchor_list[idx],layer=4,scale_x=0.65,scale_y=0.65,
                location_x=0.35,location_y=0.25,position=main_timer, end=clip_duration,ck=ck_anchor,audio=False)
        t.AddClip(anchor_clip_list[idx])

        img_list[idx] = openshot.FFmpegReader(dir_photo+name_hash+'/'+p)
        img_list[idx].Open()
        photo_clip_list[idx] = video_photo_clip(vid=img_list[idx],layer=3
                ,scale_x=0.81,scale_y=0.68,location_y=-0.03,position=main_timer,end=clip_duration,audio=False)
        t.AddClip(photo_clip_list[idx])
        img_list[idx].Close()

        audio_list[idx] = openshot.FFmpegReader(dir_sound+name_hash+"/"+str(idx)+".mp3")
        audio_list[idx].Open()
        audio_clip_list[idx] = openshot.Clip(audio_list[idx])
        audio_clip_list[idx].Position(main_timer)
        audio_clip_list[idx].End(clip_duration)
        t.AddClip(audio_clip_list[idx])

        img_list[idx].Close()
        anchor_list[idx].Close()
        audio_list[idx].Close()

     
            
        sub_img_list[idx] = [None] * len(sub_list[idx])
        sub_clip_list[idx] = [None] * len(sub_list[idx])
        sub_timer = 0
        for sub_idx in range(len(sub_list[idx])):
            sub_img_list[idx][sub_idx] = openshot.QtImageReader(sub_list[idx][sub_idx]['path'])
            sub_img_list[idx][sub_idx].Open()
            sub_duration = 0.205*sub_list[idx][sub_idx]['count']
            sub_clip_list[idx][sub_idx] = video_photo_clip(vid=sub_img_list[idx][sub_idx], layer=6,location_x=0.069, location_y=0.89,position=main_timer+sub_timer,end=sub_duration)
            t.AddClip(sub_clip_list[idx][sub_idx])
            sub_img_list[idx][sub_idx].Close()
            sub_timer += sub_duration
            print(sub_list[idx][sub_idx]['path'])
        main_timer += clip_duration
        idx+=1

    progress+=10
    asyncio.run(sendProgress(progress,client_id))
    
    LOGO_ED = openshot.FFmpegReader(dir_video+"LOGO_ED.avi")
    LOGO_ED.Open()
    LOGO_ED_clip = video_photo_clip(vid=LOGO_ED,layer=4,position=main_timer,end=LOGO_ED.info.duration+2
                    ,location_x=0.005,location_y=-0.031
                    ,scale_x=0.8,scale_y=0.6825)
    t.AddClip(LOGO_ED_clip)
    ED_duration = LOGO_ED.info.duration
    LOGO_ED.Close()
    

    bg = openshot.FFmpegReader(dir_video+"bg.mp4")
    bg.Open()
    bg_times = math.floor(main_timer+ED_duration/bg.info.duration)
    left_time = (main_timer+ED_duration) % bg.info.duration
    bg_clip_list = [None] * bg_times
    bg_list = [None] * bg_times
    bg.Close()
    bg_timer = head_duration
    for idx in range(bg_times):
        bg_list[idx] = openshot.FFmpegReader(dir_video+"bg.mp4")
        bg_list[idx].Open()
        bg_clip_list[idx] = video_photo_clip(bg_list[idx],layer=2,position=bg_timer
                ,end=bg_list[idx].info.duration,ck=ck)
        t.AddClip(bg_clip_list[idx])
        bg_timer += bg_list[idx].info.duration
        bg_list[idx].Close()
    bg_left = openshot.FFmpegReader(dir_video+"bg.mp4")
    bg_left.Open()
    bg_left_clip = video_photo_clip(bg_left,layer=2,position=bg_timer,end=left_time,ck=ck)
    t.AddClip(bg_left_clip)
    bg_left.Close()

    title = openshot.QtImageReader(dir_title+name_hash+".png")
    title.Open()         # Open the reader
    title_clip = video_photo_clip(vid=title, layer=4,location_x=-0.047, location_y=0.801,position=0,end=head_duration+main_timer)
    t.AddClip(title_clip)

    ####start building
    w = openshot.FFmpegWriter("../html/"+name_hash+".mp4")
    w.SetAudioOptions(True, "aac", 44100, 2, openshot.LAYOUT_STEREO, 3000000)
    w.SetVideoOptions(True, "libx264", openshot.Fraction(30000, 1000), 1280, 720,
        openshot.Fraction(1, 1), False, False, 3000000)
    w.Open()
    
    #may change duration into t.info.duration
    frames = int(t.info.fps)*int(head_duration+main_timer+ED_duration)
    for n in range(frames):
        f=t.GetFrame(n)
        w.WriteFrame(f)
        
            
    progress = 100
    asyncio.run(sendProgress(progress,client_id))
    notify_group(name+"的影片已經產生完成囉! www.choozmo.com:8168/"+name_hash+".mp4")
    t.Close()
    w.Close()


    progress = 100
    asyncio.run(sendProgress(progress,client_id))
    print("Raw Video done")
    print("video at : www.choozmo.com:8168/"+name_hash+".mp4")

    #line notifs