import base64
import copy
import json
import os
import time
import sys
import traceback
sys.path.append(os.path.dirname(os.path.abspath(__file__)) + "/../")
from format_convert import _global
import cv2
import numpy as np
from PIL import Image
from idc.model import direction_model
from format_convert.utils import log, get_md5_from_bytes, request_post, np2pil, bytes2np, pil2np, pil_resize
import tensorflow as tf
sess = tf.compat.v1.Session(graph=tf.Graph())

image_shape = (640, 640)


def adjust_direction(image_np, model):
    # 4个方向
    cls_num = 4

    # 构建数据
    origin_image = copy.deepcopy(image_np)
    image_np = pil_resize(image_np, image_shape[0], image_shape[1])
    X = np.expand_dims(np.array(image_np), 0)

    # 预测
    with sess.as_default():
        with sess.graph.as_default():
            pred = model.predict(X)
            pred = pred.astype(np.float64)
            pred = np.argmax(pred[0])

    # 根据分类计算角度
    angle = 360 - pred*int((360/cls_num))

    # 根据角度旋转
    image_pil = Image.fromarray(origin_image)
    image_rotate = np.array(image_pil.rotate(angle, expand=1))
    return image_rotate


def idc(data, model):
    log("into idc_interface isr")
    try:
        # start_time = time.time()
        img_data = base64.b64decode(data)
        img_np = bytes2np(img_data)
        image_rotate = adjust_direction(img_np, model)
        # print(time.time()-start_time)
        return {"image": image_rotate}
    except TimeoutError:
        return {"image": [-5]}
    except:
        traceback.print_exc()
        return {"image": [-1]}


class IdcModels:
    def __init__(self):
        # python文件所在目录
        _dir = os.path.abspath(os.path.dirname(__file__))

        # detect
        model_path = _dir + "/models/model.h5"
        with sess.as_default():
            with sess.graph.as_default():
                self.model = direction_model(input_shape=(image_shape[0], image_shape[1], 3),
                                             output_shape=4)
                self.model.load_weights(model_path)

    def get_model(self):
        return self.model


def test_idc_model(from_remote=False):
    file_path = "C:/Users/Administrator/Desktop/test_image/error10.jpg"
    with open(file_path, "rb") as f:
        file_bytes = f.read()
    img_np = cv2.imread(file_path)
    print(img_np.shape)
    file_base64 = base64.b64encode(file_bytes)
    _md5 = get_md5_from_bytes(file_bytes)[0]

    _global._init()
    _global.update({"port": 15010, "md5": _md5})

    if from_remote:
        file_json = {"data": file_base64, "md5": _md5}
        # _url = "http://192.168.2.102:17000/ocr"
        _url = "http://127.0.0.1:17000/ocr"
        print(json.loads(request_post(_url, file_json)))
    else:

        idc_model = IdcModels().get_model()
        result = idc(file_base64, idc_model)
        # print(result)
        if type(result.get("image")) == list:
            print(result)
        else:
            img = result.get("image")
            print(img.shape)
            cv2.namedWindow('img', cv2.WINDOW_NORMAL | cv2.WINDOW_KEEPRATIO)
            cv2.imshow("img", img)
            cv2.waitKey(0)
        # print(result)


if __name__ == "__main__":
    test_idc_model()