#!/usr/bin/env bash

# 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 || {
        echo "Failed to install curl. Exiting."
        exit 1
    }
fi

# Get latest Go version
ARCH=$(uname -m)
case $ARCH in
    "x86_64") ARCH="amd64" ;;
    "armv6l") ARCH="armv6l" ;;
    *) ARCH="386" ;;
esac

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 $GO_VERSION..."
sudo rm -rf /usr/local/go
sudo curl -fsSL "$GO_URL" | sudo tar -C /usr/local -xz || {
    echo "Failed to download and install Go. Exiting."
    exit 1
}

# Update PATH
echo "Updating PATH..."
echo 'export PATH=$PATH:/usr/local/go/bin' | sudo tee -a /etc/profile.d/go.sh >/dev/null
source /etc/profile.d/go.sh

echo "Go $GO_VERSION has been successfully installed."