#!/bin/bash

# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

# This script will set up a basic systemd service and timer for DiscoRSS
# You can optionally edit the entries here before running it, or you can
# use systemctl --user edit --full discorss.service or discorss.timer
# after installing them.

printf "\e[1;34mDisco\e[1;38;5;208mRSS\e[0m Install Helper Script\n\n"

workingDir=$(pwd)

cat << EOF > discorss.service
[Unit]
Description=Discord RSS feeder
Wants=discorss.timer

[Service]
Type=oneshot
TimeoutStartSec=120
ExecStart=$workingDir/discorss.py

[Install]
WantedBy=default.target

EOF

cat << EOF > discorss.timer
[Unit]
Description=Timer for DiscoRSS
Requires=discorss.service

[Timer]
Unit=discorss.service
OnCalendar=*:0/5:00
AccuracySec=1s

[Install]
WantedBy=timers.target

EOF

mkdir -p ~/.config/systemd/user/

cp discorss.service ~/.config/systemd/user/
cp discorss.timer ~/.config/systemd/user/
rm -f discorss.service
rm -f discorss.timer
systemctl --user daemon-reload

printf "Would you like a basic example config created for you? [y/n]: "
read answer1
if [[ "$answer1" =~ ^([yY])$ ]]; then
    mkdir -p -v ~/.config/discorss
    cat << EOF > ~/.config/discorss/discorss.conf
{
    "feeds": [
        {
            "name": "Phoronix",
            "siteurl": "https://www.phoronix.com/",
            "url": "http://www.phoronix.com/rss.php",
            "webhook": "PASTE WEBHOOK URL HERE",
            "offset": 0
        }
    ]
}
EOF
    printf "\nMake sure to edit \e[1;34m~/.config/discorss/discorss.conf\e[0m and add in your custom feeds and webhook URLS! The script will just error out if you don't do this."
else
    printf "\nMake sure to create a config at \e[1;34m~/.config/discorss/discorss.conf\e[0m and follow the pattern shown in the README."
fi

printf "\nWould you like to have the timer enabled and started now? [y/n]: "
read answer
if [[ "$answer" =~ ^([yY])$ ]]; then
    systemctl --user enable --now discorss.timer
    printf "\ndiscorss.timer enabled and started. \e[1;31mDon't enable or start discorss.service\e[0m -- the timer does this automatically."
else
    printf "\nDon't forget to run \e[1;32msystemctl --user enable --now discorss.timer\e[0m when you are ready! \e[1;31mDon't enable or start discorss.service\e[0m -- the timer does this automatically."
fi

printf "\n\nYou should be almost ready to go! Double-check your config files, and check \e[1;32msystemctl --user list-timers\e[0m once the discorss.timer is enabled to see when it will fire next. The default is every 5 minutes."

printf "\nRemember, if you need help or encounter any bugs, contact me via the issues tracker on the git repository where you got this from!"