#!/bin/bash

mkdir -p /mnt/server
cd /mnt/server

## get release info and download links
LATEST_JSON=$(curl --silent "https://api.github.com/repos/magmamaintained/Magma-${MC_VERSION}/releases/latest")
RELEASES=$(curl --silent "https://api.github.com/repos/magmamaintained/Magma-${MC_VERSION}/releases")

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

if [ ! -z "${DOWNLOAD_LINK}" ]; then 
    if curl --output /dev/null --silent --head --fail ${DOWNLOAD_LINK}; then
        echo -e "link is valid. setting download link to ${DOWNLOAD_LINK}"
        DOWNLOAD_LINK=${DOWNLOAD_LINK}
    else        
        echo -e "link is invalid closing out"
        exit 2
    fi
fi


echo "Download Link: '${DOWNLOAD_LINK}'"

# Check we found a download link

# Download server.jar
echo -e "running: curl -sSL -o ${SERVER_JARFILE} ${DOWNLOAD_LINK}"
curl -sSL -o ${SERVER_JARFILE} -sSL ${DOWNLOAD_LINK}
echo -e "Install Complete"