import uvicorn
import fastapi
from fastapi.middleware.cors import CORSMiddleware
from fastapi.responses import HTMLResponse
from linebot import LineBotApi, WebhookHandler
from linebot.models import (
    MessageEvent, TextMessage, TextSendMessage, FollowEvent, TemplateSendMessage, ButtonsTemplate, URITemplateAction,
)
import dataset
import requests
import json
import qrcode
# from PIL import Image
# import base64, io
from random import randrange
import models
import datetime as dt

app = fastapi.FastAPI()

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

# bot config
line_bot_api = LineBotApi("SJT7VPT4RMQFLcS27jQBy3FcC24gtDrkcwJWZ5Xzqesr5T78LOKudHEJzt0k3b2S7n4KPwf27J7DVz2c8NQ4plSaaQylEeB1cYrfejaE/RPG/lCIQBYe4iBTzo26s4i2PcmT89837per/lTyvhVIKAdB04t89/1O/w1cDnyilFU=")
handler = WebhookHandler("411ae3ef7e766739ed2c2c27b249d010")

# callback event
@app.post("/callback")
async def callback(request: fastapi.Request):
    signature = request.headers['X-Line-Signature']
    body = await request.body()
    handler.handle(body.decode('utf-8'), signature)
    return 'OK'

# follow event
@handler.add(FollowEvent)
def handle_follow(event):
    # get user id when follow
    real_user_id = event.source.user_id

    # db connect and search
    db = dataset.connect('mysql://choozmo:pAssw0rd@db.ptt.cx:3306/arkcard?charset=utf8mb4')
    table = db['users']
    result1 = table.find_one(userid=real_user_id)

    # 都存在db的話
    if result1:
        db.close()
        line_bot_api.reply_message(
            event.reply_token,
            TextSendMessage(text='很高興再見到您！'))

    # 建立全新使用者
    else:
        # create user account api
        url = 'https://nft-api-staging.joyso.io/api/v1/accounts'
        headers = {'Authorization': 'Basic bmZ0OmMxOTEzOWMzYjM3YjdjZWU3ZmY3OTFiZGU3NzdjZWNl'}

        # setup for temp use (unique id)
        rand_num = str(randrange(99999))
        user_id = event.source.user_id + rand_num
        data = 'uid=' + user_id
        r = requests.post(url=url, headers=headers, data=data)

        # extract the account address
        dict_str = json.loads(r.text)
        user_account = dict_str['account']
        user_address = user_account['address']

        # generate qr code from user id
        qr = qrcode.QRCode(
            version=1,
            box_size=10,
            border=5)
        qr.add_data(user_address)
        qr.make(fit=True)
        img_qr = qr.make_image(fill='black', back_color='white')
        filename = "/var/www/ArkCard-Linebot/ArkCard-web/qrcode/" + real_user_id + '.png'
        img_save = img_qr.save(filename)

        # add to db
        data = dict(userid=real_user_id, useraddress=user_address)
        table.insert(data)

        db.close()

        line_bot_api.reply_message(
            event.reply_token,
            TextSendMessage(text='歡迎加入好友'))

# message handler
@handler.add(MessageEvent, message=TextMessage)
def message(event):
    if '我要發送' in event.message.text:
        button_template_message = ButtonsTemplate(
            title=' ',
            text='點擊並打開收藏的NFT，可以選擇想要發送的NFT給對方！',
            actions=[
                URITemplateAction(
                    label='打開發送頁',
                    uri='https://ark.cards/collect.html?' + event.source.user_id),])
        line_bot_api.reply_message(
            event.reply_token,
            TemplateSendMessage(
                alt_text="Receive",
                template=button_template_message))

    elif '我要接收' in  event.message.text:
        button_template_message = ButtonsTemplate(
            title=' ',
            text='點擊並打開接收頁面，即可分享接收地址給對方！',
            actions=[
                URITemplateAction(
                    label='打開接收頁',
                    uri='https://ark.cards/qr-code.html?' + event.source.user_id),])
        line_bot_api.reply_message(
            event.reply_token,
            TemplateSendMessage(
                alt_text="Receive",
                template=button_template_message))

    elif 'NFT商店' in event.message.text:
        button_template_message = ButtonsTemplate(
            title=' ',
            text='點擊並打開NFT商品頁，就可以購買您所想要的NFT商品哦！',
            actions=[
                URITemplateAction(
                    label='打開NFT商品頁',
                    uri='https://ark.cards/shop.html?' + event.source.user_id),])
        line_bot_api.reply_message(
            event.reply_token,
            TemplateSendMessage(
                alt_text="Receive",
                template=button_template_message))

    elif 'NFT收藏' in event.message.text:
        button_template_message = ButtonsTemplate(
            title=' ',
            text='點擊並打開收藏的NFT，可以查看收到的NFT！',
            actions=[
                URITemplateAction(
                    label='打開收藏頁',
                    uri='https://ark.cards/collect.html?' + event.source.user_id), ])
        line_bot_api.reply_message(
            event.reply_token,
            TemplateSendMessage(
                alt_text="Receive",
                template=button_template_message))
    else:
        button_template_message = ButtonsTemplate(
            title=' ',
            text='更多的服務內容，歡迎請上我們的官網！',
            actions=[
                URITemplateAction(
                    label='ArkCard的官網',
                    uri='https://ark.cards'),])
        line_bot_api.reply_message(
            event.reply_token,
            TemplateSendMessage(
                alt_text="Receive",
                template=button_template_message))

@app.post("/push/")
def push_text(user, message):
    line_bot_api.push_message(user, TextSendMessage(text=message))

# nft collection api
@app.get("/collection/{userid}")
def collection(userid):
    # db connect
    db = dataset.connect('mysql://choozmo:pAssw0rd@db.ptt.cx:3306/arkcard?charset=utf8mb4')
    table3 = db['nftdrops']
    table2 = db['nft']
    nftdrops = {}
    nft = {}
    nfts_all = {}
    i = 0
    j = 0
    if not table3.find_one(userid=userid) and not table2.find_one(userid=userid):
        db.close()
        return "error: user don't have any nft"

    else:
        results1 = table3.find(userid=userid)
        for item in results1:
            nft_id = item['nftid']
            nftdrops[i] = table2.find_one(id=nft_id)
            i += 1

        results2 = table2.find(userid=userid)
        for item in results2:
            nft[j] = item
            j += 1

        nfts_all[0] = nftdrops
        nfts_all[1] = nft
        return nfts_all
        db.close()

# receive handler
@app.get("/receive/{userid}")
def receive(userid):
    # db connect
    db = dataset.connect('mysql://choozmo:pAssw0rd@db.ptt.cx:3306/arkcard?charset=utf8mb4')
    table = db['users']

    table.find_one(userid=userid)
    if not table.find_one(userid=userid):
        db.close()
        return "ERROR: User Not Found"
    else:
        result = table.find_one(userid=userid)
        return {"userid": result['userid'], "useraddress": result['useraddress']}
    db.close()

# send handler
@app.post("/send")
async def receive(userModel : models.TransactionNft):
    # db connect
    db = dataset.connect('mysql://choozmo:pAssw0rd@db.ptt.cx:3306/arkcard?charset=utf8mb4')
    table = db['users']
    table2 = db['nft']
    table3 = db['nftdrops']

    # input and find userid
    nftid = userModel.nftid
    address = userModel.address
    result = table.find_one(useraddress=address)

    # first confirm if the user exist
    if not result:
        db.close()
        return {'msg': 'user address not found'}
    else:
        userid = result['userid']

    # update nft owner
    if table3.find_one(nftid=nftid):
        data = dict(nftid=nftid, userid=userid)
        table3.update(data, ['nftid'])

        # push訊息
        result3 = table2.find_one(id=nftid)
        title = result3['title']
        message = "您的NFT : " + title + ", 已劃轉成功！"
        push_text(userid, message)

        db.close()
    elif table2.find_one(id=nftid):
        result3 = table2.find_one(id=nftid)
        pre_own = result3['userid']
        data = dict(id=nftid, userid=userid)
        table2.update(data, ['id'])

        # push訊息
        title = result3['title']
        fr = "您的NFT : " + title + ", 已發送成功！"
        to = "您的NFT : "+title+", 已收到！"
        push_text(userid, to)
        push_text(pre_own, fr)

        db.close()
    else:
        db.close()
        return {'msg': 'nft not found'}
    return {'msg': 'OK'}

# shop handler
@app.get("/shop/{userid}")
def shop(userid):
    # db connect
    db = dataset.connect('mysql://choozmo:pAssw0rd@db.ptt.cx:3306/arkcard?charset=utf8mb4')

    sql = 'SELECT DISTINCT(title), id, imgurl, userid FROM arkcard.nft  WHERE id<1001 and userid IS NULL GROUP BY title LIMIT 5'
    result = db.query(sql)
    rows = {}
    i = 0
    for row in result:
        rows[i] = row
        i += 1
    return rows
    db.close()

@app.post("/buy")
async def buy(userModel: models.BuyNft):
    # db connect
    db = dataset.connect('mysql://choozmo:pAssw0rd@db.ptt.cx:3306/arkcard?charset=utf8mb4')
    table2 = db['nft']

    # input
    nftid = userModel.nftid
    userid = userModel.userid

    if not table2.find_one(id=nftid):
        db.close()
        print("error: nft not found")
        return "該NFT商品不存在！如果有疑問，請洽網站的服務信箱！"
    else:
        user_obj = table2.find_one(id=nftid)
        user_obj['userid'] = userid
        table2.update(dict(user_obj), ['id'])

        # push訊息
        result3 = table2.find_one(id=nftid)
        title = result3['title']
        message = "您的NFT : " + title + ", 已購買成功！"
        push_text(userid, message)

        db.close()
    return "您已購買成功！"

@app.post("/event")
async def nftdrops(userModel : models.NftDrops):
    # db connect
    db = dataset.connect('mysql://choozmo:pAssw0rd@db.ptt.cx:3306/arkcard?charset=utf8mb4')
    table3 = db['nftdrops']

    # input對應
    eventid = '1'
    nftid = '1001'
    nftid2 = '1002'
    userid = userModel.userid
    email = userModel.email
    now = dt.datetime.now()

    # 如果userid不在db, 寫入到一個空值nft
    if not table3.find_one(userid=userid):
        # 新增資料
        table3.insert(dict(eventid=eventid, nftid=nftid, userid=userid, email=email, time=now))
        table3.insert(dict(eventid=eventid, nftid=nftid2, userid=userid, email=email, time=now))
        db.close()
        return "新增成功"
    # 如果userid存在，回傳通知
    else:
        db.close()
        return "已有資料"

if __name__ == '__main__':
    uvicorn.run("main:app", host="0.0.0.0", port=8228, reload=True,ssl_context=('/etc/letsencrypt/live/ark.cards/fullchain.pem', '/etc/letsencrypt/live/ark.cards/privkey.pem'))