INFO=" |Ubuntu|Debian||https://ubuntu.com/|Complete desktop Linux operating system, freely available with both community and professional support.";;

function releases_ubuntu() {
    local VERSION_DATA="$(IFS=$'\n' wget -qO- https://api.launchpad.net/devel/ubuntu/series | jq -r '.entries[]')"
    local SUPPORTED_VERSIONS=($(IFS=$'\n' jq -r 'select(.status=="Supported" or .status=="Current Stable Release") | .version' <<<${VERSION_DATA} | sort))
    local EOL_VERSIONS=($(IFS=$'\n' jq -r 'select(.status=="Obsolete") | .version' <<<${VERSION_DATA} | sort))
    local LTS_SUPPORT=()
    local INTERIM_SUPPORT=()

    for i in "${SUPPORTED_VERSIONS[@]}"; do
        if [[ $(expr ${i%.*} % 2) == 0 && ${i#*.} == "04" ]]; then
            LTS_SUPPORT+=($i)
        else
            INTERIM_SUPPORT+=($i)
        fi
    done

    case "${OS}" in
      edubuntu|ubuntu-unity|ubuntucinnamon)
        echo ${INTERIM_SUPPORT[@]} daily-live
        ;;
      kubuntu|lubuntu|ubuntukylin|ubuntu-mate|ubuntustudio|xubuntu)
        ## after 14.04
        echo ${LTS_SUPPORT[@]:1} ${INTERIM_SUPPORT[@]} daily-live jammy-daily #${EOL_VERSIONS[@]/#/eol-}
        ;;
      ubuntu-budgie)
        #after 16.04
        echo ${LTS_SUPPORT[@]:2} ${INTERIM_SUPPORT[@]} daily-live jammy-daily #${EOL_VERSIONS[@]/#/eol-}
        ;;
      ubuntu)
        echo ${LTS_SUPPORT[@]} ${INTERIM_SUPPORT[@]} daily-live #${EOL_VERSIONS[@]/#/eol-}
        ;;
    esac
}

function get_ubuntu() {
    local ISO=""
    local HASH=""
    local URL=""
    local DATA=""

    [[ $RELEASE = daily ]] && RELEASE=daily-live

    if [[ "${RELEASE}" == "daily"* ]] && [ "${OS}" == "ubuntustudio" ]; then
        # Ubuntu Studio daily-live images are in the dvd directory
        RELEASE="dvd"
    fi

    if [[ "${RELEASE}" == "eol-"* ]]; then
        URL="https://old-releases.ubuntu.com/releases/${RELEASE/eol-/}"
    elif [[ "${RELEASE}" == "jammy-daily" ]]; then
        if [[ "${OS}" == "ubuntustudio" ]]; then
            URL="https://cdimage.ubuntu.com/${OS}/jammy/dvd/current"
        else
            URL="https://cdimage.ubuntu.com/${OS}/jammy/daily-live/current"
        fi
        VM_PATH="${OS}-jammy-live"
    elif [[ "${RELEASE}" == "daily"* ]] || [ "${RELEASE}" == "dvd" ]; then
        URL="https://cdimage.ubuntu.com/${OS}/${RELEASE}/current"
        VM_PATH="${OS}-${RELEASE}"
    elif [ "${OS}" == "ubuntu" ]; then
        URL="https://releases.ubuntu.com/${RELEASE}"
    else
        URL="https://cdimage.ubuntu.com/${OS}/releases/${RELEASE}/release"
    fi

    if wget -q --spider "${URL}/SHA256SUMS"; then
        DATA=$(wget -qO- "${URL}/SHA256SUMS" | grep 'desktop\|dvd\|install' | grep amd64 | grep iso | grep -v "+mac")
        ISO=$(cut -d'*' -f2 <<<${DATA} | sed '1q;d')
        HASH=$(cut_1 <<<${DATA} | sed '1q;d')
    else
        DATA=$(wget -qO- "${URL}/MD5SUMS" | grep 'desktop\|dvd\|install' | grep amd64 | grep iso | grep -v "+mac")
        ISO=$(cut -d'*' -f2 <<<${DATA})
        HASH=$(cut_1 <<<${DATA})
    fi

    if [ -z $ISO ] || [ -z $HASH ]; then
        echo "$(pretty_name $OS) ${RELEASE} is currently unavailable. Please select other OS/Release combination"
        exit 1
    fi

    if [[ "${RELEASE}" == "daily"* ]] || [ "${RELEASE}" == "dvd" ]; then
        zsync_get "${URL}/${ISO}" "${VM_PATH}" "${OS}-devel.iso"
        make_vm_config "${OS}-devel.iso"
    elif [[ "${RELEASE}" == "jammy-daily" ]]; then
        zsync_get "${URL}/${ISO}" "${VM_PATH}" "${OS}-jammy-live.iso"
        make_vm_config "${OS}-jammy-live.iso"
    else
        web_get "${URL}/${ISO}" "${VM_PATH}"
        check_hash "${ISO}" "${HASH}"
        make_vm_config "${ISO}"
    fi
}