install

#!/bin/bash

function oneline() {
    echo -ne "\033[2K" ; printf "\r$1"
}


# Detect if patch install or full install
if [ "$1" == "patch" ]; then
    installType="patch"
elif [ "$1" == "update" ]; then
    installType="update"
elif [ -z "$1" ]; then
    installType="new"
else
    echo "Invalid argument for install."
    exit 1
fi

echo "Installing TapisV3 CLI"

# Detect the OS
unameOut="$(uname -s)"
case "${unameOut}" in
    Linux*)     os=linux;;
    Darwin*)    os=mac;;
    *)          os=$unameOut
esac
oneline "Detected OS: $os"

# Kill install if OS not linux or mac
if [ $os != mac ] && [ $os != linux ]; then
    oneline "Operating system not supported: '$os' - Cancelling installation"
    exit 1
fi

# Set the rcfile based on OS
rcfile="$HOME/.bashrc"
if [ $os == mac ]; then
    rcfile="$HOME/.zshrc"
fi

# Source code directory
# libDir='/usr/local/lib/tapis'
libDir=~/tapis/v3
# Configs directory
# configDir='/usr/local/etc/tapis'
configDir=~/tapis/v3/configs

# Create directories that will house the source code and config files
oneline "Creating directories:"
directoriesToCreate=($libDir $configDir)
for directory in "${directoriesToCreate[@]}"; do
    oneline $directory
    mkdir -p $directory
done

# Copy the source code from the current directory to the source code directory
oneline "Copying source code to '$libDir'"
projectDir="$(pwd)"

rsync -a "${projectDir}/src" $libDir
rsync -a "${projectDir}/requirements.txt" "${libDir}/src"

# Create the config.json that will house the cli configurations
oneline "Generating config in '$configDir'"
if [ $installType == "new" ]; then
    touch "${configDir}/config.json"
    rsync -a "${projectDir}/config.json" "${configDir}/config.json"
fi

tapisEntrypoint="${libDir}/src/tapis.sh"
oneline "Making tapis.sh executable"
chmod +x $tapisEntrypoint

if [ $installType == "update" ] || [ $installType == "new" ]; then
    oneline "Creating virtual envrionment"
    cd "${libDir}/src"
    python3 -m venv env
    source env/bin/activate

    oneline "Install python dependencies in virtual env"
    pip install --upgrade pip
    pip install -r requirements.txt
    pip list
    deactivate
fi

allowRCFileModification=n
if [ $installType == "new" ]; then
    echo -n "Do you want to allow the TapisV3 CLI install to modify your $rcfile? [y/n]: "
    read -r -n 1 allowRCFileModification
fi

if [ $allowRCFileModification == "y" ]; then
    echo "Adding alias for 'tapis': $rcfile"
    echo "alias tapis='${tapisEntrypoint}'" >> $rcfile

    echo ""
    echo "################## FINAL STEP #########################################"
    echo "To complete installation, source your rcfile by running the following:"
    echo "source $rcfile"
    echo "#######################################################################"
    echo ""
else
    echo ""
    echo "################## FINAL STEP #########################################"
    echo "To complete installation, add an alias to the tapis script in $rcfile"
    echo "alias tapis='${tapisEntrypoint}'"
    echo ""
    echo "then run the following command:"
    echo "source $rcfile"
    echo "#######################################################################"
    echo ""
fi