#!/bin/zsh

# Determine OS and CPU architecture
OS=$(uname -s | tr '[:upper:]' '[:lower:]')
ARCH=$(uname -m)

if [[ "$OS" == "darwin" ]]; then
    # macOS installation
    nightly_url="https://github.com/neovim/neovim/releases/download/nightly/nvim-macos-${ARCH}.tar.gz"
    install_dir="~/opt"
    
    mkdir -p "${install_dir/#\~/$HOME}"
    
    echo "Downloading Neovim nightly for macOS ${ARCH}..."
    curl -L "$nightly_url" | tar -xz -C "${install_dir/#\~/$HOME}"
    echo "Neovim nightly installed to ${install_dir}/nvim-macos-${ARCH}"
    
elif [[ "$OS" == "linux" ]]; then
    # Linux installation
    nightly_url="https://github.com/neovim/neovim/releases/download/nightly/nvim.appimage"
    install_dir="~/.local/bin"
    
    mkdir -p "${install_dir/#\~/$HOME}"
    
    echo "Downloading Neovim nightly AppImage..."
    curl -L "$nightly_url" -o "${install_dir/#\~/$HOME}/nvim"
    chmod +x "${install_dir/#\~/$HOME}/nvim"
    echo "Neovim nightly installed to ${install_dir}/nvim"
    
else
    echo "Unsupported OS: $OS"
    exit 1
fi