import uvicorn
import fastapi
from linebot import LineBotApi, WebhookHandler
from linebot.models import ( 
    MessageEvent, TextMessage, TextSendMessage, FollowEvent, 
    )

app = fastapi.FastAPI()

# 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):
    print(event.source.user_id)
    line_bot_api.reply_message(
        event.reply_token,
        TextSendMessage(text='歡迎加入好友'))                                


if __name__ == '__main__':
    uvicorn.run("main:app", host="127.0.0.1", port=5000, reload=True)