from keras.layers import Input, Dense

from keras.models import Model

import numpy as np

import pandas as pd

import matplotlib.pyplot as plt

from sklearn.cluster import KMeans

from sklearn.cluster import k_means

from sklearn.metrics import silhouette_score, davies_bouldin_score

from sklearn.preprocessing import normalize

import time

from sklearn import metrics

from myUtils import *

from VAEclass import VAE

import os

if __name__ == '__main__':

    datatypes=["equal","heterogeneous"]

    typenums=[5,10,15]

    for datatype in datatypes:

        for typenum in typenums:

            datapath='data/simulations/{}/{}'.format(datatype, typenum)

            resultpath='result/simulations/{}/{}'.format(datatype, typenum)

            groundtruth = np.loadtxt('{}/c.txt'.format(datapath))

            groundtruth = list(np.int_(groundtruth))

            omics1 = np.loadtxt('{}/o1.txt'.format(datapath))

            omics1 = np.transpose(omics1)

            omics1 = normalize(omics1, axis=0, norm='max')

            omics2 = np.loadtxt('{}/o2.txt'.format(datapath))

            omics2 = np.transpose(omics2)

            omics2 = normalize(omics2, axis=0, norm='max')

            omics3 = np.loadtxt('{}/o3.txt'.format(datapath))

            omics3 = np.transpose(omics3)

            omics3 = normalize(omics3, axis=0, norm='max')

            omics = np.concatenate((omics1, omics2, omics3), axis=1)

            data = omics

            # input_dim = data.shape[1]

            encoding1_dim = 300

            encoding2_dim = 100

            middle_dim = typenum

            dims = [encoding1_dim, encoding2_dim, middle_dim]

            vae = VAE(data,dims)

            vae.autoencoder.summary()

            vae.train()

            encoded_factors = vae.predict(data)

            if not os.path.exists("{}/VAE_FCTAE_EM.txt".format(resultpath)):

                os.mknod("{}/VAE_FCTAE_EM.txt".format(resultpath))

            np.savetxt("{resultpath}/VAE_FCTAE_EM_{typenum}.txt".format(resultpath=resultpath,typenum=typenum), encoded_factors)

            # if not os.path.exists("AE_FCTAE_Kmeans.txt"):

            #     os.mknod("AE_FCTAE_Kmeans.txt")

            # fo = open("AE_FCTAE_Kmeans.txt", "a")

            # clf = KMeans(n_clusters=typenum)

            # t0 = time.time()

            # clf.fit(encoded_factors)  # 模型训练

            # km_batch = time.time() - t0  # 使用kmeans训练数据消耗的时间

            # print(datatype, typenum)

            # print("K-Means算法模型训练消耗时间:%.4fs" % km_batch)

            # # 效果评估

            # score_funcs = [

            #     metrics.adjusted_rand_score,  # ARI（调整兰德指数）

            #     metrics.v_measure_score,  # 均一性与完整性的加权平均

            #     metrics.adjusted_mutual_info_score,  # AMI（调整互信息）

            #     metrics.mutual_info_score,  # 互信息

            # ]

            # centers = clf.cluster_centers_

            # #print("centers:")

            # #print(centers)

            # print("zlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzly")

            # labels = clf.labels_

            # print("labels:")

            # print(labels)

            # labels = list(np.int_(labels))

            # if not os.path.exists("{}/VAE_FCTAE_CL.txt".format(resultpath)):

            #     os.mknod("{}/VAE_FCTAE_CL.txt".format(resultpath))

            # np.savetxt("{}/VAE_FCTAE_CL.txt".format(resultpath), labels,fmt='%d')

            # print("zlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzly")

            # # 2. 迭代对每个评估函数进行评估操作

            # for score_func in score_funcs:

            #     t0 = time.time()

            #     km_scores = score_func(groundtruth, labels)

            #     print("K-Means算法:%s评估函数计算结果值:%.5f；计算消耗时间:%0.3fs" % (score_func.__name__, km_scores, time.time() - t0))

            # t0 = time.time()

            # jaccard_score = jaccard_coefficient(groundtruth, labels)

            # print("K-Means算法:%s评估函数计算结果值:%.5f；计算消耗时间:%0.3fs" % (

            #     jaccard_coefficient.__name__, jaccard_score, time.time() - t0))

            # silhouetteScore = silhouette_score(encoded_factors, labels, metric='euclidean')

            # davies_bouldinScore = davies_bouldin_score(encoded_factors, labels)

            # print("silhouetteScore:", silhouetteScore)

            # print("davies_bouldinScore:", davies_bouldinScore)

            # print("zlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzlyzly")