import json
from flask import Flask, url_for, request
from objects import glob # Global sharing of python objects in a manageable way

glob.app = Flask(__name__)

import routes # All flask app routes

if glob.config["git"]["auto_pull_and_restart"]: # Only used on the VPS (Do not enable in config)
	@glob.app.route(glob.config["git"]["webhook_endpoint"], methods = ["POST"])
	def git_fetch():
		if request.method != "POST":
			return "No"

		data = json.loads( request.data.decode() )
		if data["secret"] != glob.config["git"]["secret"]:
			return "No"
		
		import subprocess, os, sys
		process = subprocess.Popen(["git", "pull"], stdout=subprocess.PIPE)
		output = process.communicate()[0]

		if output.decode().split("\n")[-2].find("fail") != -1:
			return "Failed to pull changes"

		# If needed; every open file or connection HAVE to be closed at this point

		os.execv(sys.executable, ["python"] + sys.argv) # Restart service

if glob.config["disable-static-cache"]:
	import os

	@glob.app.context_processor
	def override_url_for():
		"""
		Generate a new token on every request to prevent the browser from
		caching static files.
		"""
		return dict(url_for=dated_url_for)
	
	def dated_url_for(endpoint, **values):
		if endpoint == "static":
			filename = values.get("filename", None)
			if filename and not filename.startswith("const/"):
				file_path = os.path.join(glob.app.root_path,
										endpoint, filename)
				values["q"] = int(os.stat(file_path).st_mtime)
		return url_for(endpoint, **values)

if __name__ == "__main__":
	glob.app.run(**glob.config["web"])