#!/usr/bin/evn bash
#
set -o pipefail
set -o errexit
set -o errtrace

WEBDAV_USER=${WEBDAV_USER:?WEBDAV_USER not set}
WEBDAV_PASS=${WEBDAV_PASS:?WEBDAV_PASS not set}
WEBDAV_HOST=${WEBDAV_HOST:?WEBDAV_HOST not set}
WEBDAV_REPOPATH=${WEBDAV_REPOPATH:?WEBDAV_REPOPATH not set}

function curl_alias {
    curl --show-error --silent --user "${WEBDAV_USER}:${WEBDAV_PASS}" "$@"
}

function webdav_is_file_exists {
    local target="${1%/}"
    local target="${target#/}"
    local resp=$(curl_alias --head --write-out "%{http_code}" "${WEBDAV_HOST}/${WEBDAV_REPOPATH}/${target}" | tail -n 1)
    [[ "${resp}" == "200" ]]
}

function webdav_mkcol {
    local dirname="${1#/}"
    curl_alias --request MKCOL "${WEBDAV_HOST}/${dirname}"
}

function webdav_upload_file {
    echo "uploading file $1 to ${WEBDAV_HOST}/${WEBDAV_REPOPATH}/$2 ..."
    curl_alias --silent --upload-file "$1" "${WEBDAV_HOST}/${WEBDAV_REPOPATH}/$2"
    echo "file $1 uploaded to ${WEBDAV_HOST}/${WEBDAV_REPOPATH}/$2"
}

function build_single {
    (
        local package_name="$1"
        local package_path="$(realpath "$1")"
        cd "$package_path"
        local target_filename="$(../makedeb/makedeb -STF | tail -n 1)"

        if webdav_is_file_exists "${target_filename}" ; then
            echo "${package_name} already built, skipped."
            return
        fi

        ../makedeb/makedeb

        webdav_upload_file "${target_filename}" "${target_filename}"
    )
}