import io
import json
import subprocess
import urllib.parse
import os

def listnotes(filter = ""):
	for i in reversed(range(len(data))):
		if filter in data[i]["title"]:
			print("[" + str(i) + "]", data[i]["title"])

def readtextfile(path):
	with io.open(path, mode = "r", encoding = "utf-8") as f:
		return f.read()

def writetextfile(path, content):
	with io.open(path, mode = "w", encoding = "utf-8") as f:
		f.write(content)

settings = json.loads(readtextfile("settings.json"))

if os.path.isfile("data/backupdata.acs"):
	os.remove("data/backupdata.acs")

subprocess.call(["curl", "-s", "-X", "POST", "-F", "action=fetch", "-F", "password=" + settings["password"], "-o", "data/backupdata.acs", settings["url"] + "/handler.php"])
subprocess.call([settings["commands"]["gpg"], "-q", "--yes", "--output", "data/backupdata.json", "--decrypt", "data/backupdata.acs"])

data = json.loads(readtextfile("data/backupdata.json"))

command = "list"
while not (command == "quit" or command == "exit" or command == "q"):

	if command == "list":
		listnotes()
	elif command.split()[0] == "find":
		searchstring = command.replace("find ", "")
		listnotes(searchstring)
	else:
		try:
			index = int(command)
			note = data[index]
			content = note["content"]

			writetextfile("data/backupnote.md", content)
			writetextfile("data/note.md", content)

			subprocess.call(settings["commands"]["editor"] + ["data/note.md"])
			newcontent = readtextfile("data/note.md")

			if newcontent != content:

				listnotes()
				subprocess.call(["diff", "--color", "data/backupnote.md", "data/note.md"])

				note["content"] = newcontent
				data.remove(note)
				data.insert(0, note)

				writetextfile("data/data.json", json.dumps(data))

				subprocess.call([settings["commands"]["gpg"], "-q", "--encrypt", "--yes", "--trust-model", "always", "--output", "data/data.acs", "--armor", "-r", settings["gpguser"], "data/data.json"]);
				newdata = readtextfile("data/data.acs")

				postdata = "action=push&password=" + settings["password"] + "&data=" + urllib.parse.quote_plus(newdata)

				writetextfile("data/postdata", postdata)

				subprocess.call(["curl", "-s", "-X", "POST", "-d", "@data/postdata", settings["url"] + "/handler.php"])
			else:
				print("no change")

		except:
			print("error with command " + command)

	command = input("> ")