unset BASH_ENV

if [[ :$PATH: != *:"${HOME}/.local/bin":* ]] ; then
    export PATH="${HOME}/.local/bin:$PATH"
fi

nac () {
    local txtbld=$(tput bold)
    local txtrst=$(tput sgr0)
    local bldred=${txtbld}$(tput setaf 1)
    local ERROR=${bldred}ERROR${txtrst}
    if [[ -z "$1" ]]; then
        echo "$ERROR: missing node environment name"
        return 1
    fi
    if [[ ! -d "${HOME}/.local/nodeenv/$1" ]]; then
        echo "$ERROR: no \"$1\" environment found in ${HOME}/.local/nodeenv"
        return 1
    fi
    __denac
    __nvm_unload
    . "${HOME}/.local/nodeenv/$1/bin/activate"
    if [[ $? != 0 ]]; then
        __denac
        return 1
    fi
    export -f deactivate_node
    . "${HOME}/.bash_env_nodeenv_exports"
    alias denac='deactivate_node'
    alias deactivate_node='__denac'
    __versions
    case $- in
        *i*) __npm_completion ;;
    esac
}
export -f nac

__nac () {
    local curr_word="${COMP_WORDS[COMP_CWORD]}"
    local -a envs=( $(compgen -d -- "${HOME}/.local/nodeenv/$curr_word") )
    COMPREPLY=( "${envs[@]##*/}" )
    return 0
}
export -f __nac
complete -F __nac nac

__denac () {
    unalias denac &> /dev/null
    unalias deactivate_node &> /dev/null
    if type deactivate_node &> /dev/null; then
        deactivate_node
    fi
    . "${HOME}/.bash_env_unset_npm_config"
    __versions
}
export -f __denac

__npm_completion () {
    . <(npm completion)
}
export -f __npm_completion

nvm_load () {
    __nvm_load
    alias nvm_load='nvm'
    alias nvm='__nvm_mask'
    __nvm_mask () {
        case "$*" in
            unload*) __nvm_unload ;;
            *) unalias nvm; nvm "$@"; alias nvm='__nvm_mask'; __versions ;;
        esac
    }
    export -f __nvm_mask
}
export -f nvm_load

__nvm_load () {
    __denac
    __nvm_unload
    . "${HOME}/.nvm/nvm.sh" &> /dev/null
    case $- in
        *i*) bash-it enable completion nvm &> /dev/null; \
             . "${BASH_IT}/completion/available/nvm.completion.bash" ;;
    esac
    if [[ $(which node) = "${HOME}/.nvm/versions/"* ]]; then
        __versions
        case $- in
            *i*) __npm_completion ;;
        esac
    fi
}
export -f __nvm_load

__nvm_unload () {
    unalias nvm_load &> /dev/null
    unalias nvm &> /dev/null
    unset __nvm_mask
    if type nvm &> /dev/null; then
        nvm unload
    fi
    __versions
}
export -f __nvm_unload

simple_nodeenv () {
    pushd "$PWD" &> /dev/null
    cd "${HOME}/.local/nodeenv"
    nodeenv --prebuilt --node "$@"
    if [[ $? != 0 ]]; then
        popd &> /dev/null
        return 1
    fi
    popd &> /dev/null
    nac "$2"
}
export -f simple_nodeenv

__versions () {
    if type node &> /dev/null; then
        local node_version=$(node --version)
        export NODE_VERSION=${node_version##v}
        export NPM_VERSION=$(npm --version)
    else
        unset NODE_VERSION
        unset NPM_VERSION
    fi
}
export -f __versions

if [[ ! -v NODE_VIRTUAL_ENV ]]; then
    nac default
else
    if ! type denac &> /dev/null; then
        alias denac='deactivate_node'
        alias deactivate_node='__denac'
        case $- in
            *i*) __npm_completion ;;
        esac
    fi
fi