feat: implement email and argument handeling

config.json

@@ -0,0 +1,7 @@
+{
+"server":"your.email.server",
+"port":587,
+"user":"you@yourmail.com",
+"pass":"yourPassword",
+"sender":"santa@yourmail.com"
+}

participants.json

@@ -0,0 +1,3 @@
+[
+{"name":"Alice","mail":"alice@mail.com","gender":"e"},{"name":"Bob","mail":"bob@mail.com","gender":"er"},{"name":"Chris","mail":"chris@mail.com","gender":"er"}
+]

wichteln.py

@@ -1,8 +1,33 @@
+'''
+This script creates randoms pairs from a list of participants in a secret santa
+game and sends them an email to notify them who the person is that they should 
+buy presents for.
+'''
+
+# -*- encoding: utf-8 -*-
+from argparse import ArgumentParser
+from email.mime.multipart import MIMEMultipart
+from email.mime.text import MIMEText
 import json
 import random
+import smtplib
+
+parser = ArgumentParser()
+parser.add_argument('-p', '--participants',
+                    dest='pFileLocation',
+                    default='participants.json',
+                    help='read list of participants from FILE',
+                    metavar='PARTICIPANTFILE')
+parser.add_argument('-c', '--config',
+                    dest='cFileLocation',
+                    default='config.json',
+                    help='read the configuration from FILE',
+                    metavar='CONFIGFILE')
+
+args = parser.parse_args()
 
 # load and prepare a list containing all participants
-with open('participants.json', 'r') as pFile:
+with open(args.pFileLocation, 'r') as pFile:
   participants = json.load(pFile)
 
 # create a copy of the list to make choosing a partner easier
@@ -20,7 +45,7 @@ for i in range(len(participants)):
     partner = random.choice(participants)
 
     current['partner'] = partner['partner']
-    partner['partner'] = current['name'] + ' — ' + current['mail']
+    partner['partner'] = current['name'] + ' (' + current['mail']+')'
     participants.append(current)
     break
 
@@ -30,8 +55,32 @@ for i in range(len(participants)):
     while partner[0] == i:
       partner = random.choice(copy)
 
-    participants[i]['partner'] = partner[1]['name']+' — '+partner[1]['mail']
+    participants[i]['partner'] = partner[1]['name']+' ('+partner[1]['mail']+')'
     copy.remove(partner)
 
-print(participants)
+# load mail server configuration and open smtp server connection
+with open(args.cFileLocation, 'r') as cFile:
+  config = json.load(cFile)
   
+server = smtplib.SMTP(config['server'], config['port'])
+server.ehlo()
+server.starttls()
+server.ehlo()
+server.login(config['user'], config['pass'])
+
+# create emails for all participants and send them
+# change the text for the mail here if you want to
+for r in participants:
+  
+  msg = MIMEMultipart('alternative')
+  msg['From'] = config['sender']
+  msg['To'] = r['mail']
+  msg['Subject'] = 'Wichteln 🎄'
+  
+  body = 'Lieb'+r['gender']+' '+r['name']+'!'
+  body += '\n\nDu bist heuer Wichtel für '+r['partner']
+  body += '. \n Das Geschenk sollte nicht mehr als 50€ kosten.'
+  body += '\nFrohe Weihnachten!\n\nDein Christkind 👼'
+  
+  msg.attach(MIMEText(body, 'plain', 'utf-8'))
+  server.sendmail(config['sender'], r['mail'], msg.as_string())