#!/bin/sh

function failed {
    echo "$(tput setaf 1)$@$(tput sgr0)"
    echo -e "\nFailed to install. Please visit https://github.com/shikhir-arora/karma-simple/issues.\n"
    exit 1
}

echo ""
echo "Karma Bot Installer - Starting.."

if hash git 1>/dev/null 2>&1
then
    echo ""
    echo "Git is installed on this system."
else
    echo ""
    echo "Git is not installed on this system. Please install Git."
    exit 1
fi

if hash node 1>/dev/null 2>&1
then
    echo ""
    echo "Node.js is installed on this system."
else
    echo ""
    echo "Node.js is not installed on this system. Please install Node v10 or above."
    exit 1
fi

# Make temporary directory to ensure fresh install. The package will be downloaded and the node_modules will be installed in a temporary directory
# After installing the modules, karma-simple (which includes the node_modules) will be moved out of the temporary folder and that temporary folder will be deleted

directory=$(pwd)
tempinstalldir=karmatmp

rm -r "$tempinstalldir" 1>/dev/null 2>&1
mkdir "$tempinstalldir"
cd "$tempinstalldir"

echo ""
echo "Downloading KarmaBot, please wait.."
git clone --recursive --depth 1 https://github.com/shikhir-arora/karma-simple.git || failed "Cannot install. Ensure you have permissions!"
echo ""
echo "KarmaBot downloaded!"

echo ""
echo "Downloading & Installing KarmaBot dependencies with yarn."
cd $directory/$tempinstalldir/karma-simple || failed "Could not enter the karma-simple folder - please check permissions!"
export npm_config_build_from_source=true
curl -o- -L https://yarnpkg.com/install.sh | bash
# export yarn to PATH
export PATH="$HOME/.yarn/bin:$HOME/.config/yarn/global/node_modules/.bin:$PATH"
yarn install
# Create the karmaStore directory for Enmap's database storage content location, per what we set in the default karma.js code when we created the Enmap
mkdir karmaStore

cd "$directory"
mv "$tempinstalldir"/karma-simple karma-simple
rm -r "$tempinstalldir"

echo ""
echo "Installation Complete. Please edit config.json with your variables!"
echo "To start the bot, use node karma.js or set up pm2/tmux to simplify things later - please see the README!"
exit 0