#!/usr/bin/python
# Copyright 2015 (c) Anna Schumaker.
#

import slack
import sys
from email.parser import Parser

headers = Parser().parsestr(sys.stdin.read())

if headers['from'] != "Anna Schumaker <schumaker.anna@gmail.com>":
    sys.exit(1)


# Determine which channel to post to
channel = None
subject = headers['subject']
ch_name = subject.split("[%s]" % slack.team())[-1].strip()

for c in slack.channels.list():
    if c.name() == ch_name:
        channel = c
        break

if channel == None:
    sys.exit(1)

lines = headers.get_payload().strip().split("\n")

# Strip out quoted text
if lines[-1][0] == ">":
    while lines[-1][0] == ">":
        lines.pop(-1)
    lines.pop(-1)

text = ' '.join(lines).strip()
channel.post(text)