#!/usr/bin/python
# -*- coding: utf-8 -*-
# @version : 1.0
# @Create Time : 2022年12月9日 15:27 
# @File : main.py
# @IDE : PyCharm
# @desc : 简要说明

import datetime
import os.path
from application.settings import BASE_DIR


class CreateApp:

 APPS_ROOT = os.path.join(BASE_DIR, "apps")
 SCRIPT_DIR = os.path.join(BASE_DIR, 'scripts', 'create_app')

 def __init__(self, path: str):
 """
 :param path: app 路径,根目录为apps,填写apps后面路径即可,例子:vadmin/auth
 """
 self.app_path = os.path.join(self.APPS_ROOT, path)
 self.path = path

 def run(self):
 """
 自动创建初始化 APP 结构,如何该路径已经存在,则不执行
 """
 if self.exist(self.app_path):
 print(f"{self.app_path} 已经存在,无法自动创建,请删除后,重新执行。")
 return False
 print("开始生成 App 目录:", self.path)
 path = []
 for item in self.path.split("/"):
 path.append(item)
 self.create_pag(os.path.join(self.APPS_ROOT, *path))
 self.create_pag(os.path.join(self.app_path, "models"))
 self.create_pag(os.path.join(self.app_path, "params"))
 self.create_pag(os.path.join(self.app_path, "schemas"))
 self.generate_file("views.py")
 self.generate_file("crud.py")
 print("App 目录生成结束", self.app_path)

 def create_pag(self, path: str) -> None:
 """
 创建 python 包

 :param path: 绝对路径
 """
 if self.exist(path):
 return
 os.makedirs(path)
 now = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
 params = {
 "create_datetime": now,
 "filename": "__init__.py",
 "desc": "初始化文件"
 }
 self.create_file(os.path.join(path, "__init__.py"), "init.py", **params)

 def generate_file(self, name: str) -> None:
 """
 创建文件
 """
 now = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
 params = {
 "create_datetime": now,
 }
 self.create_file(os.path.join(self.app_path, name), name, **params)

 def create_file(self, filepath: str, name: str, **kwargs):
 """
 创建文件
 """
 with open(filepath, "w", encoding="utf-8") as f:
 content = self.__get_template(name)
 f.write(content.format(**kwargs))

 @classmethod
 def exist(cls, path) -> bool:
 """
 判断路径是否已经存在
 """
 return os.path.exists(path)

 def __get_template(self, name: str) -> str:
 """
 获取模板内容
 """
 template = open(os.path.join(self.SCRIPT_DIR, "template", name), 'r')
 content = template.read()
 template.close()
 return content