from flask import Flask, render_template, request, jsonify, send_from_directory, Response, stream_with_context, redirect
from flask_compress import Compress
from queue import Queue
from datetime import datetime
from pprint import pprint
import threading
import random
import string
# import dataHandlerPTT as ptt
# import dataHandlerPTTPush as pttPush
import generalText as gen
import json

app = Flask(__name__)
app.config['SEND_FILE_MAX_AGE_DEFAULT'] = 0
Compress(app)

eventQueue = Queue()


@app.route('/stream')
def stream():
    return Response(stream_with_context(eventStream(eventQueue)), mimetype='text/event-stream')


def eventStream(eventQueue):
    while (True):
        eventNode = eventQueue.get(True)
        data = json.dumps(eventNode['data'], indent=4, ensure_ascii=False)
        data = data.splitlines()
        data = ['data:' + i for i in data]
        data = '\n'.join(data)
        yield "event:{event}\n{data}\n\n".format(event=eventNode['event'], data=data)


@app.route('/img/<path:path>')
def send_data(path):
    return send_from_directory('resource/img', path)


@app.route('/generalTxt')
def generalTxt():
    return render_template('generalTxt.html', title="泛用文字視覺化工具")


@app.route('/post/generalTxt/addText', methods=['POST'])
def generalText_addText():
    text = request.json['text']
    stopwords = request.json['stopwords']
    randId = ''.join(random.choices(
        string.ascii_uppercase + string.ascii_lowercase, k=15))
    result = gen.processText(randId, text, stopwords)
    return jsonify(Result={
        'path': result
    })


@app.route('/')
def index():
    return redirect('/generalTxt')


@app.route('/ptt_push')
def ptt_push():
    return render_template('ptt_push.html', title='推文 Sententree')


@app.route('/ptt_push/init', methods=['POST'])
def pttPushInit():
    author = 'a58461351'
    pushes = pttPush.findAuthorPush(
        author=[author], stopwords=pttPush.defaultStopWords)
    result: dict = {
        'author': author,
        'stopwords': pttPush.defaultStopWords,
        'tsv': pushes[0],
        'json': pushes[1]
    }
    return jsonify(Result=result)


@app.route('/ptt_push/addRequest', methods=['POST'])
def pttPushAddRequest():
    pushes = pttPush.findAuthorPush(author=request.json['author'].split(
        ' '), aid=request.json['aid'].split(' '), keyword=request.json['keyword'], stopwords=request.json['stopwords'])
    result = {
        'keyword': request.json['keyword'],
        'tsv': pushes[0],
        'json': pushes[1]
    }
    return jsonify(Result=result)


@app.route('/ptt')
def pttSententree():
    return render_template('ptt.html', title="PTT Sententree")


@app.route('/ptt/keywordFrequency', methods=['POST'])
def findKeywordFrequency():
    print(request.json)
    content = request.json
    result = ptt.findKeywordFrequency(content)
    return jsonify(Result=result)


@app.route('/dev/updateContent')
def updateContent():
    ptt.loadPostContents()
    return jsonify(Result={
        'done': True
    })


@app.route('/addRequest', methods=['POST'])
def addRequest():
    content = request.json
    ready = False
    info = None

    files = ptt.findResult(content)

    info = files
    ready = True

    key = ptt.calcKey(content['startDate'],
                      content["endDate"], content["keyword"], content["pos"])

    return jsonify(Result={
        'ready': ready,
        'info': info,
        'key': key
    })


@app.route("/init", methods=['POST'])
def initPage():
    startDate = datetime.today().replace(day=1).strftime('%Y-%m-%d')
    endDate = datetime.today().strftime('%Y-%m-%d')
    files = ptt.getDefault(startDate, endDate)
    return jsonify(Result={
        "startDate": startDate,
        'endDate': endDate,
        'keyword': '',
        'info': files
    })


@app.route('/resource/<path:path>')
def send_resource(path):
    return send_from_directory('resource', path)


@app.route('/generaltxt/help')
def generaltxt_help():
    return render_template('generaltxt_help.html', title="使用說明")

@app.route('/data/<path:path>')
def get_data(path):
    return send_from_directory('data', path)

if __name__ == "__main__":
    app.run(debug=True, port=4980, host='0.0.0.0', threaded=False)