import json
import logging
import os
import random
import sys
import time
import traceback
os.environ["CUDA_VISIBLE_DEVICES"] = "-1"
sys.path.append(os.path.dirname(os.path.abspath(__file__)) + "/../")
import tensorflow as tf
from flask import Flask, request
from chinese_order.model import lstm_phrase
from chinese_order.inference_phrase import recognize
from utils import request_post

logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(name)s - %(levelname)s - %(message)s')
tf.compat.v1.disable_eager_execution()
sess = tf.compat.v1.Session(graph=tf.Graph())


package_dir = os.path.abspath(os.path.dirname(__file__))
vocabulary_len = 5792
sequence_len = 6
model_path = package_dir + "/models/phrase_f1_0.85.h5"

# 接口配置
app = Flask(__name__)


@app.route('/cho', methods=['POST'])
def cho():
    start_time = time.time()
    logging.info("into cho_interface cho")
    try:
        # 接收网络数据
        if not request.form:
            logging.info("cho no data!")
            return json.dumps({"data": "", "success": 0})
        data = request.form.get("data")
        logging.info("cho_interface get data time" + str(time.time()-start_time))

        # 加载模型
        cho_model = globals().get("global_cho_model")
        if cho_model is None:
            print("=========== init cho model ===========")
            cho_model = ChoModels().get_model()
            globals().update({"global_cho_model": cho_model})

        # 数据转换
        char_list = json.loads(data)
        # 预测
        decode_list = recognize(char_list, cho_model, sess)
        return json.dumps({"data": decode_list, "success": 1})
    except:
        traceback.print_exc()
        return json.dumps({"data": "", "success": 0})
    finally:
        logging.info("cho interface finish time " + str(time.time()-start_time))


class ChoModels:
    def __init__(self):
        with sess.as_default():
            with sess.graph.as_default():
                self.model = lstm_phrase((sequence_len, vocabulary_len))
                self.model.load_weights(model_path)

    def get_model(self):
        return self.model


def test_cho_model(from_remote=True):
    text = "巧克力"
    text = [x for x in text]
    random.shuffle(text)
    if from_remote:
        data_json = {"data": json.dumps(text)}
        _url = "http://127.0.0.1:17000/cho"
        result = json.loads(request_post(_url, data_json))
        if result.get("success"):
            decode_list = result.get("data")
            print("char_list", text)
            print("decode_list", decode_list)
        else:
            print("failed!")


if __name__ == "__main__":
    app.run(host='127.0.0.1', port=17058, debug=False)
    # test_cho_model()