#!/bin/bash

print_help() {
    echo -e
    echo -e "For DOWNLOAD"
    echo -e "$0 <package> OR $0 ."
    echo -e
    echo -e "For UPLOAD"
    echo -e "$0 <nexus_host> <repository>"
    echo -e "Like this:"
    echo -e "<nexus_host>/service/rest/v1/components?repository=<repository>"
    echo -e
}

npm_cretae_package_lock_file() {
    if [[ $# > 0 ]]; then
        local package=$1
    fi
    npm i --package-lock-only $package
}

download_package() {
    local url_package=$1
    wget --no-clobber $url_package
}

# insert nexus_host, repository and package to upload
upload_package() {
    local nexus_host=$1
    local repository=$2
    local package=$3
    curl -X POST "$nexus_host/service/rest/v1/components?repository=$repository" \
    -H "accept: application/json" \
    -H "Content-Type: multipart/form-data" \
    -F "npm.asset=@$package" -i
}

get_all_packages_urls() {
    echo $(grep -Eo "https://.+(.tgz)" package-lock.json | sort | uniq)
}

download_all_package() {
    local urls_packages=$@
    for url_package in ${urls_packages[@]};
    do
        download_package $url_package
    done
}

publish_all_packages() {
    local packages_filenames=($(ls *.tgz))
    for package_name in ${packages_filenames[@]};
    do
        upload_package $@ $package_name
    done
}

remove_all_local_packages_and_json() {
    rm *.tgz *.json
}

echo_npm_registry() {
    npm get registry
}


main() {
    if [[ $# -eq 1 ]]; then
        npm_cretae_package_lock_file $@
        urls_packages=($(get_all_packages_urls))
        download_all_package ${urls_packages[@]}
    elif [[ $# -eq 2 ]]; then
        publish_all_packages $@
        remove_all_local_packages_and_json
    else
        print_help
    fi
}

main $@