#!/bin/bash

MIN_NODE_VERSION=12
DOWNLOAD_DIR="/tmp/mod-manager-install"
INSTALL_DIR="/usr/local/lib/mod-manager"
BINARY_PATH="/usr/bin/mod-manager"
CYAN="\033[1;96m"
RED="\033[0;91m"
GREEN="\033[0;92m"
RESET='\033[0m'

print () {
  echo -e "$1 $2 $RESET"
}

info () {
  print "$CYAN" "$1"
}

error() {
  print "$RED" "$1"
}

success() {
  print "$GREEN" "$1"
}

if [ "$EUID" -ne 0 ]
then
  error "This script must be ran as root. Please use sudo."
  exit
fi

rm -rf "$DOWNLOAD_DIR"
mkdir -p "$DOWNLOAD_DIR"

# Verify compatible version of node is installed
info "Verifying node verison..."
NODE_VERSION_STR=$(node --version)
if [[ "$?" -eq 127 ]]
then
  error "Node either is not installed, or is not on the root path.\n If you installed Node using NVM, see this link, ensuring links are made for node, npm and npx: https://stackoverflow.com/questions/21215059/cant-use-nvm-from-root-or-sudo"
  exit
fi


NODE_VERSION=$( (echo $NODE_VERSION_STR | sed 's/\..*//') | sed "s/v//")
if [[ "$NODE_VERSION" -ge "$MIN_NODE_VERSION" ]]
then
  success "A version of node greater than $MIN_NODE_VERSION is installed!"
else
  error "A version of node greater than $MIN_NODE_VERSION is required. Please install it and re run this install script"
  exit
fi

# Download source files
info "Downloading mod-manager source..."
git clone "https://hogwarts.bits.team/git/Bits/mod-manager.git" "$DOWNLOAD_DIR" || exit

# Compile
info "Compiling..."
cd "$DOWNLOAD_DIR" || exit
npm install --save
npm install -g @vercel/ncc
npx tsc

if [[ -v $NVM_DIR ]]
then
  ln -s "$NVM_DIR/versions/node/$NODE_VERSION_STR/bin/ncc" "/usr/local/bin/ncc"
fi
ncc build build/ts/mod-manager.js -o build/flat

# Install
info "Installing..."
rm -rf "$INSTALL_DIR"
mkdir -p "$INSTALL_DIR"

cp -r build/flat/* "$INSTALL_DIR"

# Creating executable
info "Creating executable..."
echo "node $INSTALL_DIR/index.js \$\@" > $BINARY_PATH
chmod +x $BINARY_PATH

# Cleaning up
info "Cleaning up..."
rm -rf "$DOWNLOAD_DIR"

success "Successfully installed mod-manager. Try mod-manager -h to learn more!"