from xbotlib import Bot
import json
import jinja2
import re
import os
import shutil

output = './'

def add_to_db(self, message):
	keys = [int(x) for x in self.db[message.room].keys()]
	if not keys:
		new_key = '0'
	else:
		new_key = str(keys[-1] + 1)
	self.db[message.room][new_key] = message.content

def del_from_db(self, message, key):
	del self.db[message.room][key]

def write_log(self, message):
	template_file = 'index.html.j2' # Hmm... how to read the self.template ?
	print('using the template: ', template_file)
	template = jinja2.Template(open(template_file).read())
	if not os.path.isdir(message.room):
		os.mkdir(message.room)
		shutil.copy('stylesheet.css', message.room)
	with open(f'{ output }/{ message.room }/index.html','w') as out:
		html = template.render(room=message.room, db=self.db[message.room])
		out.write(html)
	print('writing to:         ', f'{ message.room }/index.html')


class logbot(Bot):

	help = '''Oh dear, logbot is here!

(You can speak to the bot using @logbot or logbot:)

<image>: Your image is added to the log.

logbot @help: Print this message

logbot @add <message>: Add a message to the log.

logbot @delete <num>: Delete posts from the log. For example: @logbot @delete 5

logbot @title <string>: Set the title of your log. [future-feature]

logbot @style <element> <css-rule>: Edit the css of your log. For example: logbot @style body background-color: pink; [future-feature]

logbot @uptime: To check how long @logbot has been around

@bots: To see who is around :)
'''

	def group(self, message):

		if not message.room in self.db.keys():
			self.db[message.room] = {}

		# to debug in the terminal
		print('------------------')
		print('message:            ', message.text)
		print('room:               ', message.room)
		print('sender:             ', message.sender)

		if message.url:
			# messages = writedb(f'<img src="{ message.url }">')
			reply = 'Thanks for that image!'

		elif '@add' in message.text:
			add_to_db(self, message)
			reply = 'Added, thanks!'

		elif '@delete' in message.text:
			match = re.findall("@delete \d*", message.content)[0]
			key = str(match.replace('@delete ',''))

			if key in self.db[message.room]:
				print('To be deleted:', self.db[message.room][key])
				reply = f'This message is deleted: { self.db[message.room][key] }'
				del_from_db(self, message, key)
			else:
				reply = 'This message is already gone!'

		elif '@help' in message.text:
			print('HELP')

		elif '@title' in message.text:
			reply = 'This is a future-feature ...'

		elif '@style' in message.text:
			reply = 'This is a future-feature ...'

		else:
			reply = 'Hmm ... not sure what you want to do?'

		write_log(self, message)
		return self.reply(reply, room=message.room)

logbot()