#!/usr/bin/env bash
set -e

echo Installing conduitup...

CONDUIT_DIR=${CONDUIT_DIR-"$HOME/.conduit"}
CONDUIT_BIN_DIR="$CONDUIT_DIR/bin"
CONDUIT_MAN_DIR="$CONDUIT_DIR/share/man/man1"

BIN_URL="https://raw.githubusercontent.com/conduitxyz/conduit-cli/master/conduitup/conduitup"
BIN_PATH="$CONDUIT_BIN_DIR/conduitup"

# Create the .conduit bin directory and conduitup binary if it doesn't exist.
mkdir -p $CONDUIT_BIN_DIR
curl -# -L $BIN_URL -o $BIN_PATH
chmod +x $BIN_PATH

# Create the man directory for future man files if it doesn't exist.
mkdir -p $CONDUIT_MAN_DIR

# Store the correct profile file (i.e. .profile for bash or .zshrc for ZSH).
case $SHELL in
*/zsh)
    PROFILE=$HOME/.zshrc
    PREF_SHELL=zsh
    ;;
*/bash)
    PROFILE=$HOME/.bashrc
    PREF_SHELL=bash
    ;;
*/fish)
    PROFILE=$HOME/.config/fish/config.fish
    PREF_SHELL=fish
    ;;
*/ash)
    PROFILE=$HOME/.profile
    PREF_SHELL=ash
    ;;
*)
    echo "conduitup: could not detect shell, manually add ${CONDUIT_BIN_DIR} to your PATH."
    exit 1
esac

# Only add conduitup if it isn't already in PATH.
if [[ ":$PATH:" != *":${CONDUIT_BIN_DIR}:"* ]]; then
    # Add the conduitup directory to the path and ensure the old PATH variables remain.
    echo >> $PROFILE && echo "export PATH=\"\$PATH:$CONDUIT_BIN_DIR\"" >> $PROFILE
fi

# Warn MacOS users that they may need to manually install libusb via Homebrew:
if [[ "$OSTYPE" =~ ^darwin && ! -f /usr/local/opt/libusb/lib/libusb-1.0.0.dylib ]]; then
    echo && echo "warning: libusb not found. You may need to install it manually on MacOS via Homebrew (brew install libusb)."
fi

echo && echo "Detected your preferred shell is ${PREF_SHELL} and added conduitup to PATH. Run 'source ${PROFILE}' or start a new terminal session to use conduitup."
echo "Then, simply run 'conduitup' to install Conduit."