#!/usr/bin/python

import os, argparse, hashlib, sqlite3, time, shutil

parser = argparse.ArgumentParser(description='Renders static HTML pages and indexes from an SQLite database of emails and an attachment folder.')

parser.add_argument('-o', dest='output_dir', action='store', default='rendered_files',
                   help='path of the directory where rendered files should be stored')
                   
parser.add_argument('-t', dest='template_dir', action='store', default='templates',
                   help='path where the template files are')
                   
parser.add_argument('-i', dest='title', action='store', default='Inbox',
                   help='title for the rendered pages')
                   
parser.add_argument('-d', dest='database', action='store', default='emails.db',
                   help='path of the database that should be used to render the e-mail files')
                   
parser.add_argument('-a', dest='attachment_dir', action='store', default='attachments',
                   help='path where attachments are stored')

args = parser.parse_args()
options = vars(args)

if os.path.isfile(options['database']) == False:
	print "Database file not found. Use the -d switch to specify a custom database path."
	exit(1)

# Connect to database
database = sqlite3.connect(options['database'])
cursor = database.cursor()

# Load templates
template_message = open('%s/message.html' % options['template_dir']).read()

# Create output directory if necessary
try:
	os.makedirs(options['output_dir'])
except OSError:
	pass

for message_id, sender, recipient, subject, timestamp, textbody, htmlbody, sha1_hash in cursor.execute("SELECT * FROM emails"):
	
	versions = {}
	
	if textbody != "":
		available_text = True
		versions['Plaintext'] = '%s_text.html' % sha1_hash
	else:
		available_text = False
		
	if htmlbody != "":
		available_html = True
		versions['HTML'] = '%s_html.html' % sha1_hash
	else:
		available_html = False
	
	version_list = "".join('<a href="%s" class="version">%s</a>' % (value, key) for key, value in versions.viewitems())
	
	if available_text == True:
		# Text version
		body = "<pre>%s</pre>" % textbody
		generated = template_message % {'subject': subject, 'date': timestamp, 'from': sender, 'to': recipient, 'body': body, 'title': options['title'], 'version': "Plaintext version", 'index': "../index.html", 'versions': version_list}
		open('%s/%s_text.html' % (options['output_dir'], sha1_hash), 'w').write(generated.encode('UTF-8'))
	
	if available_html == True:
		# HTML version
		body = htmlbody
		generated = template_message % {'subject': subject, 'date': timestamp, 'from': sender, 'to': recipient, 'body': body, 'title': options['title'], 'version': "HTML version", 'index': "../index.html", 'versions': version_list}
		open('%s/%s_html.html' % (options['output_dir'], sha1_hash), 'w').write(generated.encode('UTF-8'))
		
shutil.copy('%s/style.css' % options['template_dir'], '%s/style.css' % options['output_dir'])