from trac.core import *
from trac.ticket import ITicketChangeListener
import os
import textwrap

class ZephyrPlugin(Component):
	implements(ITicketChangeListener)
	
	def zwrite(self, id, message):
		zclass = self.config.get('ZephyrPlugin', 'class')
		if zclass == '':
			return
		pipe = os.popen('zwrite -q -l -d -c %s -i trac-#%s' % (zclass, id), 'w')
		pipe.write("\n".join(textwrap.wrap(message)).encode('utf-8', 'replace'))
		pipe.close()
	
	def ticket_created(self, ticket):
		message = "%s filed a new ticket:\n%s\n\n%s" % (ticket['reporter'], ticket['summary'], ticket['description'][:255])
		self.zwrite(ticket.id, message)
	
	def ticket_changed(self, ticket, comment, author, old_values):
		if old_values.has_key('status'):
			if ticket['status'] == 'closed':
				message = "%s closed ticket as %s\n(%s)" % (author, ticket['resolution'], ticket['summary'])
			else:
				message = "%s set status to %s\n(%s)" % (author, ticket['status'], ticket['summary'])
		else:
			message = "%s updated this ticket\n(%s)" % (author, ticket['summary'])
		self.zwrite(ticket.id, message)
	
	def ticket_deleted(self, ticket):
		pass