#!/bin/bash

apt update
apt install -y jq curl

CONFIG_LINK="https://raw.githubusercontent.com/ptero-eggs/application-eggs/main/bots/discord/jmusicbot/config.txt"
PLAYLIST_LINK="https://raw.githubusercontent.com/ptero-eggs/application-eggs/main/bots/discord/jmusicbot/example_playlist.txt"


if [ -z "${GITHUB_USER}" ] && [ -z "${GITHUB_OAUTH_TOKEN}" ] ; then
    echo -e "using anon api call"
else
    echo -e "user and oauth token set"
    alias curl='curl -u ${GITHUB_USER}:${GITHUB_OAUTH_TOKEN} '
fi

## get release info and download links
LATEST_JSON=$(curl --silent "https://api.github.com/repos/jagrosh/MusicBot/releases/latest")
RELEASES=$(curl --silent "https://api.github.com/repos/jagrosh/MusicBot/releases")
MATCH=JMusicBot

if [ -z "${VERSION}" ] || [ "${VERSION}" == "latest" ]; then
    DOWNLOAD_URL=$(echo ${LATEST_JSON} | jq .assets | jq -r .[].browser_download_url | grep -i ${MATCH})
else
    VERSION_CHECK=$(echo ${RELEASES} | jq -r --arg VERSION "${VERSION}" '.[] | select(.tag_name==$VERSION) | .tag_name')
    if [ "${VERSION}" == "${VERSION_CHECK}" ]; then
        DOWNLOAD_URL=$(echo ${RELEASES} | jq -r --arg VERSION "${VERSION}" '.[] | select(.tag_name==$VERSION) | .assets[].browser_download_url' | grep -i ${MATCH})
    else
        echo -e "defaulting to latest release"
        DOWNLOAD_URL=$(echo ${LATEST_JSON} | jq .assets | jq -r .[].browser_download_url)
    fi
fi

## JMusicBot Setup
[ ! -d /mnt/server ] && mkdir /mnt/server
cd /mnt/server
echo -e "\nInstalling/Updating JMusicBot...\n"

if [ -f JMusicBot.jar ]; then
    echo -e "Updating JMusicBot.jar to latest version..."
    echo -e '\t(Old version can be found at "JMusicBot.jar-old")'
    mv -f JMusicBot.jar JMusicBot.jar-old
fi

echo -e "Running: curl -sSLo JMusicBot.jar ${DOWNLOAD_URL}\n"
curl -sSLo JMusicBot.jar ${DOWNLOAD_URL}

if [ -f config.txt ]; then
    echo -e "Updating config.txt to latest version..."
    echo -e '\t(Old version can be found at "config.txt-old")'
    mv -f config.txt config.txt-old
fi
echo -e "Running: curl -sSLo config.txt ${CONFIG_LINK}\n"
curl -sSLo config.txt ${CONFIG_LINK}

[ ! -d Playlists ] && mkdir Playlists
cd Playlists
if [ -f example_playlist.txt ]; then
    echo -e "example_playlist.txt already exists. Skipping default download."
else
    echo -e "example_playlist.txt not found. Downloading default example_playlist..."
    echo -e "Running: curl -sSLo example_playlist.txt ${PLAYLIST_LINK}"
    curl -sSLo example_playlist.txt ${PLAYLIST_LINK}
fi

echo -e "\nJMusicBot Successfully Installed!"