#!/usr/bin/env python3
# coding: utf-8
# File: MedicalGraph.py
# Author: XuMing（xuming624@qq.com),lhy<lhy_in_blcu@126.com,https://huangyong.github.io>

import os
import json
from py2neo import Graph, Node
from codecs import open
from dialogbot.config import host, kg_port, user, password, answer_num_limit


class MedicalGraph:
    def __init__(self):
        cur_dir = os.path.abspath(os.path.dirname(__file__))
        self.data_path = os.path.join(cur_dir, 'data/medical_sample.json')
        self.g = Graph(
            host=host,  # neo4j 搭载服务器的ip地址，ifconfig可获取到
            http_port=kg_port,  # neo4j 服务器监听的端口号
            user=user,  # 数据库user name，如果没有更改过，应该是neo4j
            password=password)

    def _read_nodes(self):
        """
        读取文件 共７类节点
        :return:
        """
        drugs = []               # 药品
        foods = []               # 食物
        checks = []              # 检查
        departments = []         # 科室
        producers = []           # 药品大类
        diseases = []            # 疾病
        symptoms = []            # 症状

        disease_infos = []       # 疾病信息

        # 构建节点实体关系
        rels_department = []      # 科室－科室关系
        rels_noteat = []          # 疾病－忌吃食物关系
        rels_doeat = []           # 疾病－宜吃食物关系
        rels_recommandeat = []    # 疾病－推荐吃食物关系
        rels_commonddrug = []     # 疾病－通用药品关系
        rels_recommanddrug = []   # 疾病－热门药品关系
        rels_check = []           # 疾病－检查关系
        rels_drug_producer = []   # 厂商－药物关系

        rels_symptom = []         # 疾病症状关系
        rels_acompany = []        # 疾病并发关系
        rels_category = []        # 疾病与科室之间的关系

        count = 0
        for data in open(self.data_path, encoding='utf-8'):
            disease_dict = {}
            count += 1
            print(count)
            data_json = json.loads(data)
            disease = data_json['name']
            disease_dict['name'] = disease
            diseases.append(disease)
            disease_dict['desc'] = ''
            disease_dict['prevent'] = ''
            disease_dict['cause'] = ''
            disease_dict['easy_get'] = ''
            disease_dict['cure_department'] = ''
            disease_dict['cure_way'] = ''
            disease_dict['cure_lasttime'] = ''
            disease_dict['symptom'] = ''
            disease_dict['cured_prob'] = ''

            if 'symptom' in data_json:
                symptoms += data_json['symptom']
                for symptom in data_json['symptom']:
                    rels_symptom.append([disease, symptom])

            if 'acompany' in data_json:
                for acompany in data_json['acompany']:
                    rels_acompany.append([disease, acompany])

            if 'desc' in data_json:
                disease_dict['desc'] = data_json['desc']

            if 'prevent' in data_json:
                disease_dict['prevent'] = data_json['prevent']

            if 'cause' in data_json:
                disease_dict['cause'] = data_json['cause']

            if 'get_prob' in data_json:
                disease_dict['get_prob'] = data_json['get_prob']

            if 'easy_get' in data_json:
                disease_dict['easy_get'] = data_json['easy_get']

            if 'cure_department' in data_json:
                cure_department = data_json['cure_department']
                if len(cure_department) == 1:
                    rels_category.append([disease, cure_department[0]])
                if len(cure_department) == 2:
                    big = cure_department[0]
                    small = cure_department[1]
                    rels_department.append([small, big])
                    rels_category.append([disease, small])

                disease_dict['cure_department'] = cure_department
                departments += cure_department

            if 'cure_way' in data_json:
                disease_dict['cure_way'] = data_json['cure_way']

            if 'cure_lasttime' in data_json:
                disease_dict['cure_lasttime'] = data_json['cure_lasttime']

            if 'cured_prob' in data_json:
                disease_dict['cured_prob'] = data_json['cured_prob']

            if 'common_drug' in data_json:
                common_drug = data_json['common_drug']
                for drug in common_drug:
                    rels_commonddrug.append([disease, drug])
                drugs += common_drug

            if 'recommand_drug' in data_json:
                recommand_drug = data_json['recommand_drug']
                drugs += recommand_drug
                for drug in recommand_drug:
                    rels_recommanddrug.append([disease, drug])

            if 'not_eat' in data_json:
                not_eat = data_json['not_eat']
                for _not in not_eat:
                    rels_noteat.append([disease, _not])

                foods += not_eat
                do_eat = data_json['do_eat']
                for _do in do_eat:
                    rels_doeat.append([disease, _do])

                foods += do_eat
                recommand_eat = data_json['recommand_eat']

                for _recommand in recommand_eat:
                    rels_recommandeat.append([disease, _recommand])
                foods += recommand_eat

            if 'check' in data_json:
                check = data_json['check']
                for _check in check:
                    rels_check.append([disease, _check])
                checks += check
            if 'drug_detail' in data_json:
                drug_detail = data_json['drug_detail']
                producer = [i.split('(')[0] for i in drug_detail]
                rels_drug_producer += [[i.split('(')[0], i.split('(')[-1].replace(')', '')] for i in drug_detail]
                producers += producer
            disease_infos.append(disease_dict)
        return set(drugs), set(foods), set(checks), set(departments), set(producers), set(symptoms), set(diseases), \
               disease_infos, rels_check, rels_recommandeat, rels_noteat, rels_doeat, rels_department, \
               rels_commonddrug, rels_drug_producer, rels_recommanddrug, rels_symptom, rels_acompany, rels_category


    def _create_node(self, label, nodes):
        """
        建立节点
        :param label:
        :param nodes:
        :return:
        """
        count = 0
        for node_name in nodes:
            node = Node(label, name=node_name)
            self.g.create(node)
            count += 1
            print(count, len(nodes))
        return


    def _create_diseases_nodes(self, disease_infos):
        """创建知识图谱中心疾病的节点"""
        count = 0
        for disease_dict in disease_infos:
            node = Node("Disease", name=disease_dict['name'], desc=disease_dict['desc'],
                        prevent=disease_dict['prevent'], cause=disease_dict['cause'],
                        easy_get=disease_dict['easy_get'], cure_lasttime=disease_dict['cure_lasttime'],
                        cure_department=disease_dict['cure_department']
                        , cure_way=disease_dict['cure_way'], cured_prob=disease_dict['cured_prob'])
            self.g.create(node)
            count += 1
            print(count)
        return


    def create_graphnodes(self):
        """
        创建实体节点类型schema
        :return:
        """
        Drugs, Foods, Checks, Departments, Producers, Symptoms, Diseases, disease_infos, rels_check, \
        rels_recommandeat, rels_noteat, rels_doeat, rels_department, rels_commonddrug, rels_drug_producer, \
        rels_recommanddrug, rels_symptom, rels_acompany, rels_category = self._read_nodes()
        self._create_diseases_nodes(disease_infos)
        self._create_node('Drug', Drugs)
        print(len(Drugs))
        self._create_node('Food', Foods)
        print(len(Foods))
        self._create_node('Check', Checks)
        print(len(Checks))
        self._create_node('Department', Departments)
        print(len(Departments))
        self._create_node('Producer', Producers)
        print(len(Producers))
        self._create_node('Symptom', Symptoms)
        return


    def create_graphrels(self):
        """
        创建实体关系边
        :return:
        """
        Drugs, Foods, Checks, Departments, Producers, Symptoms, Diseases, disease_infos, rels_check, \
        rels_recommandeat, rels_noteat, rels_doeat, rels_department, rels_commonddrug, rels_drug_producer, \
        rels_recommanddrug, rels_symptom, rels_acompany, rels_category = self._read_nodes()
        self._create_relationship('Disease', 'Food', rels_recommandeat, 'recommand_eat', '推荐食谱')
        self._create_relationship('Disease', 'Food', rels_noteat, 'no_eat', '忌吃')
        self._create_relationship('Disease', 'Food', rels_doeat, 'do_eat', '宜吃')
        self._create_relationship('Department', 'Department', rels_department, 'belongs_to', '属于')
        self._create_relationship('Disease', 'Drug', rels_commonddrug, 'common_drug', '常用药品')
        self._create_relationship('Producer', 'Drug', rels_drug_producer, 'drugs_of', '生产药品')
        self._create_relationship('Disease', 'Drug', rels_recommanddrug, 'recommand_drug', '好评药品')
        self._create_relationship('Disease', 'Check', rels_check, 'need_check', '诊断检查')
        self._create_relationship('Disease', 'Symptom', rels_symptom, 'has_symptom', '症状')
        self._create_relationship('Disease', 'Disease', rels_acompany, 'acompany_with', '并发症')
        self._create_relationship('Disease', 'Department', rels_category, 'belongs_to', '所属科室')


    def _create_relationship(self, start_node, end_node, edges, rel_type, rel_name):
        """
        创建实体关联边
        :param start_node:
        :param end_node:
        :param edges:
        :param rel_type:
        :param rel_name:
        :return:
        """
        count = 0
        # 去重处理
        set_edges = []
        for edge in edges:
            set_edges.append('###'.join(edge))
        all = len(set(set_edges))
        for edge in set(set_edges):
            edge = edge.split('###')
            p = edge[0]
            q = edge[1]
            query = "match(p:%s),(q:%s) where p.name='%s'and q.name='%s' create (p)-[rel:%s{name:'%s'}]->(q)" % (
                start_node, end_node, p, q, rel_type, rel_name)
            try:
                self.g.run(query)
                count += 1
                print(rel_type, count, all)
            except Exception as e:
                print(e)


    def export_data(self):
        """
        导出数据
        :return: 词表文件
        """
        Drugs, Foods, Checks, Departments, Producers, Symptoms, Diseases, disease_infos, rels_check, \
        rels_recommandeat, rels_noteat, rels_doeat, rels_department, rels_commonddrug, rels_drug_producer, \
        rels_recommanddrug, rels_symptom, rels_acompany, rels_category = self._read_nodes()
        f_drug = open('drug.txt', 'w+')
        f_food = open('food.txt', 'w+')
        f_check = open('check.txt', 'w+')
        f_department = open('department.txt', 'w+')
        f_producer = open('producer.txt', 'w+')
        f_symptom = open('symptoms.txt', 'w+')
        f_disease = open('disease.txt', 'w+')

        f_drug.write('\n'.join(list(Drugs)))
        f_food.write('\n'.join(list(Foods)))
        f_check.write('\n'.join(list(Checks)))
        f_department.write('\n'.join(list(Departments)))
        f_producer.write('\n'.join(list(Producers)))
        f_symptom.write('\n'.join(list(Symptoms)))
        f_disease.write('\n'.join(list(Diseases)))

        f_drug.close()
        f_food.close()
        f_check.close()
        f_department.close()
        f_producer.close()
        f_symptom.close()
        f_disease.close()



if __name__ == '__main__':
    handler = MedicalGraph()
    handler.create_graphnodes()
    handler.create_graphrels()

    # handler.export_data()
