from common import value_dict
from sklearn.preprocessing import OneHotEncoder
import numpy as np
import pandas as pd
from random import shuffle
from sklearn import metrics
import matplotlib.pyplot as plt
import seaborn as sns


class ProcessUtil:
    np_cates = list(np.array([
        [x for x in range(0, 3)],
        [x for x in range(0, 5)],
        [x for x in range(0, 6)],
        [x for x in range(0, 6)],
        [x for x in range(0, 3)],
        [x for x in range(0, 9)],
        [x for x in range(0, 8)],
        [x for x in range(0, 8)],
        [x for x in range(0, 32)],
        [x for x in range(0, 8)],
        [x for x in range(0, 8)],
        [x for x in range(0, 8)],
        [x for x in range(0, 8)],
        [x for x in range(0, 8)],
        [x for x in range(0, 8)],
        # [x for x in range(0,7)]
    ]))
    enc = OneHotEncoder(categories=np_cates)
    one_hot_feature_columns = [
        "TAG_GENDER_C",
        "TAG_NETTYPE_C",
        "TAG_AGE_C",
        "TAG_INTIME_C",
        "EVENT_IS_ACCT_C",
        "EVENT_FLUX_C",
        "EVENT_CONSUM_C",
        "EVENT_VIDEO_FLUX_C",
        "TAG_PROVINCE_C",
        'app_use_tencent', 'app_use_mangguo', 'app_use_youku', 'app_use_iqiyi', 'app_use_bilibili',
        'app_use_kuaishou',
        # 'EVENT_ORDER_MONTH_C'
    ]
    one_hot_feature_columns2 = [
        "TAG_GENDER_C",
        "TAG_NETTYPE_C",
        "TAG_AGE_C",
        "TAG_INTIME_C",
        "EVENT_IS_ACCT_C",
        "EVENT_FLUX_C",
        "EVENT_CONSUM_C",
        "EVENT_VIDEO_FLUX_C",
        "TAG_PROVINCE_C",
        'app_use_tencent', 'app_use_mangguo', 'app_use_youku', 'app_use_iqiyi', 'app_use_bilibili']

    @classmethod
    def convert_province(cls, value):
        return value_dict.area_dict[value]

    @classmethod
    def convert_intime(cls, value):
        if value == '1年-2年':
            value = 1
        elif value == '2年-5年':
            value = 2
        elif value == '5年-10年':
            value = 3
        elif value == '10年-20年':
            value = 4
        elif value == '20年以上':
            value = 5
        else:
            value = 0
        return value

    @classmethod
    def is_number(cls, s):
        try:
            float(s)
            return True
        except ValueError:
            pass

        try:
            import unicodedata
            unicodedata.numeric(s)
            return True
        except (TypeError, ValueError):
            pass

        return False

    @classmethod
    def convert_flux_value(cls, value):
        if value is None or str(value) == "nan":
            value = 0
        elif not ProcessUtil.is_number(value):
            value = 0
        return value

    @classmethod
    def convert_flux(cls, value):
        if value == '0-0.5G':
            value = 2
        elif value == '0.5G-2G':
            value = 3
        elif value == '2G-5G':
            value = 4
        elif value == '5G-10G':
            value = 5
        elif value == '10G-15G':
            value = 6
        elif value == '15-30G':
            value = 7
        elif value == '30G以上':
            value = 8
        elif value == '小于等于0':
            value = 1
        else:
            value = 0
        return value

    @classmethod
    def convert_consume(cls, value):
        if value == '10元以下':
            value = 1
        elif value == '10-20元':
            value = 2
        elif value == '20-60元':
            value = 3
        elif value == '60-100元':
            value = 4
        elif value == '100-150元':
            value = 5
        elif value == '150-300元':
            value = 6
        elif value == '300元以上':
            value = 7
        else:
            value = 0
        return value

    @classmethod
    def convert_consume_value(cls, value):
        if value is None or str(value) == "nan":
            value = 0
        elif not ProcessUtil.is_number(value):
            value = 0
        return value

    @classmethod
    def convert_event_order_c(cls,value):
        if value=='订购1月内':
            value=1
        elif value == '1-3月':
            value=2
        elif value == '3-6月':
            value=3
        elif value=='6-12月':
            value=4
        elif value=='12-24月':
            value=5
        elif value=='24月以上':
            value=6
        else:
            value=0
        return value

    @classmethod
    def convert_video_flux(cls, value):
        if value == '0-0.5G':
            value = 1
        elif value == '0.5-2G':
            value = 2
        elif value == '2-5G':
            value = 3
        elif value == '5-10G':
            value = 4
        elif value == '10-15G':
            value = 5
        elif value == '15-30G':
            value = 6
        elif value == '30G以上':
            value = 7
        else:
            value = 0
        return value

    @classmethod
    def convert_video_flux_value(cls, value):
        if value is None or str(value) == "nan":
            value = 0
        elif not ProcessUtil.is_number(value):
            value = 0
        return value

    @classmethod
    def convert_gender(cls, value):
        if value == '男':
            value = 0
        elif value == '女':
            value = 1
        else:
            value = 2
        return value

    @classmethod
    def convert_nettype(cls, value):
        if value == '2G':
            value = 1
        elif value == '3G':
            value = 2
        elif value == '4G':
            value = 3
        elif value == '5G':
            value = 4
        else:
            value = 0
        return value

    @classmethod
    def convert_age(cls, value):
        if value == '70前':
            value = 1
        elif value == '70后':
            value = 2
        elif value == '80后':
            value = 3
        elif value == '90后':
            value = 4
        elif value == '00后':
            value = 5
        else:
            value = 0
        return value

    @classmethod
    def convert_acct(cls, value):
        if value == '已出账':
            value = 0
        elif value == '未出账':
            value = 1
        else:
            value = 2
        return value

    @classmethod
    def convert_appuse(cls, df):
        app_use_columns = ['app_use_tencent', 'app_use_mangguo', 'app_use_youku', 'app_use_iqiyi', 'app_use_bilibili',
                           'app_use_kuaishou']
        df[app_use_columns] = df.apply(ProcessUtil.convert_app_use_info, axis=1, result_type="expand")

    @classmethod
    def convert_app_use_info(cls, value):
        value = value.tolist()[-9]
        tencent_app_use = 7
        kuaishou_app_use = 7
        mangguo_app_use = 7
        youku_app_use = 7
        iqiyi_app_use = 7
        bilibili_app_use = 7
        if str(value).lower() == 'nan':
            pass
        else:
            use_list = value
            for apptype_range in use_list:
                if len(apptype_range.split("_")) > 1:
                    apptype = apptype_range.split("_")[0]
                    apprange = apptype_range.split("_")[1]
                    if "腾讯视频" in apptype:
                        tencent_app_use = ProcessUtil.get_range_value(apprange)
                    if "哔哩哔哩" in apptype:
                        bilibili_app_use = ProcessUtil.get_range_value(apprange)
                    if "爱奇艺" in apptype:
                        iqiyi_app_use = ProcessUtil.get_range_value(apprange)
                    if "快手" in apptype:
                        kuaishou_app_use = ProcessUtil.get_range_value(apprange)
                    if "优酷" in apptype:
                        youku_app_use = ProcessUtil.get_range_value(apprange)
                    if "芒果" in apptype:
                        mangguo_app_use = ProcessUtil.get_range_value(apprange)
        return int(tencent_app_use), int(mangguo_app_use), int(youku_app_use), int(iqiyi_app_use), int(
            bilibili_app_use), int(kuaishou_app_use)

    @classmethod
    def get_range_value(cls, range_value):
        if range_value == '0.1G-0.5G':
            value = 1
        elif range_value == '0.5G-2G':
            value = 2
        elif range_value == '2G-5G':
            value = 3
        elif range_value == '5G-10G':
            value = 4
        elif range_value == '10G-20G':
            value = 5
        elif range_value == '20G以上':
            value = 6
        else:
            value = 0
        return value

    @classmethod
    def convert_onehot(cls, df):
        ProcessUtil.enc.fit(df[ProcessUtil.one_hot_feature_columns])
        after_onehot_features = ProcessUtil.enc.get_feature_names(ProcessUtil.one_hot_feature_columns)
        one_hot_dataframe = pd.DataFrame(
            ProcessUtil.enc.fit_transform(df[ProcessUtil.one_hot_feature_columns]).toarray().astype("int"),
            columns=after_onehot_features)
        df.drop(columns=ProcessUtil.one_hot_feature_columns2, inplace=True)
        df = pd.concat([df, one_hot_dataframe], axis=1)
        return df

    @classmethod
    def partition_preserve_order(cls, list_in, n):
        indices = list(range(len(list_in)))
        shuffle(indices)
        index_partitions = [sorted(indices[i::n]) for i in range(n)]
        return [[list_in[i] for i in index_partition]
                for index_partition in index_partitions]

    @classmethod
    def gen_train_tuple(cls, pos_row_ids, neg_row_ids, batch_num_pos):
        result = []
        for i, e, in enumerate(neg_row_ids):
            pos_index = i % batch_num_pos
            result.append((pos_row_ids[pos_index], neg_row_ids[i]))
        return result

    @classmethod
    def draw_roc_auc(cls, y_label, y_test):
        # ROC曲线绘制
        fpr, tpr, thresholds = metrics.roc_curve(y_label, y_test)
        ##计算曲线下面积
        roc_auc = metrics.auc(fpr, tpr)
        ##绘图
        plt.clf()
        plt.plot(fpr, tpr, label='ROC curve (area = %0.2f)' % roc_auc)
        plt.plot([0, 1], [0, 1], 'k--')
        plt.xlim([0.0, 1.0])
        plt.ylim([0.0, 1.0])

        plt.legend(loc="lower right")
        plt.show()

    @classmethod
    def draw_confusion_matrix(cls, y_label, y_test):
        # 画出混淆矩阵
        confusion_data = metrics.confusion_matrix(y_label, y_test)
        print(confusion_data)
        sns.heatmap(confusion_data, cmap="Greens", annot=True)
        plt.xlabel("Predicted labels")
        plt.ylabel("True labels")
        plt.tight_layout()
        plt.show()