#!/usr/bin/env python3

import argparse
import json
import os
import subprocess
import sys
import urllib.parse

parser = argparse.ArgumentParser(prog='composeMails')
parser.add_argument("-s", "--subject", required=True, dest="subject")
parser.add_argument("-t", "--template", required=True, dest="template")
parser.add_argument("-r", "--in-reply-to", required=True, dest="inReplyTo")
parser.add_argument("-f", "--really", dest="really", action="store_true")
parser.add_argument("-l", "--limit", dest="limit")
args = parser.parse_args()

body_raw = None
with open(args.template, "r") as tmpl:
    body_raw = "\n\n" + tmpl.read()
cwd = os.getcwd()

if not args.really:
    print("# This is a dry run")

parsed = json.load(sys.stdin)
for [addr, name, vocative, filename] in parsed:
    if args.limit is not None and args.limit not in name:
        continue
    body = body_raw.replace("@@VOCATIVE@@", vocative)
    print(f"Creating mail for {addr}")
    if args.really:
        subprocess.run(["aerc", f"mailto:{name} <{addr}>?account=gbl&subject={urllib.parse.quote_plus(args.subject)}&in-reply-to={urllib.parse.quote_plus(args.inReplyTo)}&body={urllib.parse.quote_plus(body)}"], check=True)
        subprocess.run(["aerc", ":attach", filename])