# coding:utf-8
import json
import os
import time
from multiprocessing import Pool

from sqlalchemy import Column, String, create_engine, table, Text, MetaData, Table, Integer, TIMESTAMP
from sqlalchemy.orm import sessionmaker
from sqlalchemy.dialects.mysql import Insert


class UpdateInsert:
    def __init__(self):
        self.engine = None
        self.session = None

    def __enter__(self):
        self.engine = create_engine('mysql+pymysql://root:87251326@10.0.0.5:3306/file_monitor?charset=utf8')
        self.session = sessionmaker(bind=self.engine)()
        metadata = MetaData(self.engine)
        self.json_file_model = Table('json_file', metadata,
                                     Column('id', Integer, primary_key=True),
                                     Column('project', String(32)),
                                     Column('path', String(255)),
                                     Column('ctime', Integer),
                                     Column('atime', Integer),
                                     Column('mtime', Integer),
                                     Column('anitype', String(32)),
                                     )
        return self

    def __exit__(self, exc_type, exc_val, exc_tb):
        self.session.commit()
        self.session.close()

    def on_duplicate_key_update(self, *data):
        for item in data:
            insert_stmt = Insert(self.json_file_model).values(item)
            on_duplicate_key_stmt = insert_stmt.on_duplicate_key_update(item)
            self.session.execute(on_duplicate_key_stmt)
        self.session.commit()


class FileMonitor:
    def __init__(self, root_path):
        self.json_files = set()
        self.root_path = root_path
        self.skeleton_json_files = set()
        self.file_count = 0

    def get_all_file(self, path):
        """
        取所有json文件
        :param path:
        :return:
        """
        if '.svn' in path:
            return
        all_files = os.listdir(path)
        for file in all_files:
            filepath = os.path.join(path, file)
            print(filepath)
            self.file_count += 1
            if os.path.isdir(filepath):
                self.get_all_file(filepath)
            if filepath.endswith('.json'):
                self.json_files.add(filepath)

    def check_json(self):
        """
        取满足要求的json文件
        :return:
        """
        for path in self.json_files:
            try:
                print(f'检查 {path}')
                with open(path, encoding='utf8') as f:
                    try:
                        data = json.load(f)
                    except:
                        continue
                    if isinstance(data, dict) and "skeleton" in data and "spine" in data['skeleton']:
                        self.skeleton_json_files.add(path)
            except:
                pass

    def get_project_name(self, path):
        """
        获取项目名
        :param path:
        :return:
        """
        file_path = ''
        project_name = ''
        for item in path.split(self.root_path):
            if not item:
                continue
            file_path = item
            for p in item.split('\\'):
                if not p:
                    continue
                project_name = p
                break
            break

        return file_path, project_name

    def get_data(self):
        """
        格式化数据
        :return:
        """
        data = []
        for path in self.skeleton_json_files:
            ctime = int(os.path.getctime(path))
            atime = int(os.path.getatime(path))
            mtime = int(os.path.getmtime(path))
            file_path, project_name = self.get_project_name(path)
            data.append({
                'ctime': ctime,
                'atime': atime,
                'mtime': mtime,
                'project': project_name,
                'path': file_path,
                'anitype': 'spine'
            })
            print(ctime, atime, mtime, project_name, file_path)
        return data

    def update_save(self, data):
        """
        更新插入
        :return:
        """
        with UpdateInsert() as obj:
            obj.on_duplicate_key_update(*data)

    def run(self, path):
        self.get_all_file(path)
        self.check_json()
        data = self.get_data()
        self.update_save(data)
        print(f'目录 {path} 遍历文件数 {self.file_count}')


def handler(args):
    obj = FileMonitor(args[0])
    obj.run(args[1])


if __name__ == '__main__':
    st = int(time.time())
    print(st)
    root_dir = os.path.abspath(os.path.dirname(__file__))
    print(root_dir)
    files = os.listdir(root_dir)
    dir_list = [(root_dir, os.path.join(root_dir, item)) for item in files if
                os.path.isdir(os.path.join(root_dir, item))]
    print(f'开启进程数 {len(dir_list)}')
    time.sleep(3)

    with Pool(len(dir_list)) as p:
        p.map(handler, dir_list)
    print(f'用时 {int(time.time()) - st}')