#!/usr/bin/env bash

# Confirmation prompt
while true; do
    read -r -p "Would you like to install Go Language? [Y/n] " input

    case $input in
        [yY][eE][sS]|[yY])
            break
            ;;
        [nN][oO]|[nN])
            echo "Go installation aborted."
            exit 0
            ;;
        *)
            echo "That wasn't an option..."
            ;;
    esac
done

# Check if curl is installed
if ! command -v curl &>/dev/null; then
    echo "curl is required but not installed. Installing curl..."
    sudo apt update && sudo apt install -y curl
fi

# Get latest Go version
if [ "$(uname -m)" == "x86_64" ]; then
    ARCH="amd64"
elif [ "$(uname -m)" == "armv6l" ]; then
    ARCH="armv6l"
else
    ARCH="386"
fi

GO_VERSION=$(curl -sSL https://golang.org/dl/?mode=json | grep -oP '"version":"\K[^"]+' | head -n1)
GO_URL="https://golang.org/dl/go$GO_VERSION.linux-$ARCH.tar.gz"

# Install Go
echo "Downloading and installing Go $GO_VERSION..."
curl -fsSL -o "/tmp/go.tar.gz" "$GO_URL"
sudo rm -rf /usr/local/go && sudo tar -C /usr/local -xzf /tmp/go.tar.gz
rm -f /tmp/go.tar.gz

# Update PATH
echo "Updating PATH..."
export PATH=$PATH:/usr/local/go/bin
echo 'export PATH=$PATH:/usr/local/go/bin' >> ~/.bashrc  # Add to .bashrc for persistent PATH

echo "Go $GO_VERSION has been successfully installed."