#!/bin/sh
set -e

REPO="colus001/pls"
INSTALL_DIR="/usr/local/bin"
BINARY="pls"

# Detect OS
OS=$(uname -s | tr '[:upper:]' '[:lower:]')
case "$OS" in
  darwin) OS="macos" ;;
  linux)  OS="linux" ;;
  *)
    echo "Error: unsupported OS: $OS" >&2
    exit 1
    ;;
esac

# Detect architecture
ARCH=$(uname -m)
case "$ARCH" in
  x86_64|amd64)  ARCH="x86_64" ;;
  aarch64|arm64)  ARCH="aarch64" ;;
  *)
    echo "Error: unsupported architecture: $ARCH" >&2
    exit 1
    ;;
esac

ASSET="pls-${OS}-${ARCH}"
URL="https://github.com/${REPO}/releases/latest/download/${ASSET}"

echo "Downloading ${ASSET}..."
TMPFILE=$(mktemp)
trap 'rm -f "$TMPFILE"' EXIT

if command -v curl >/dev/null 2>&1; then
  curl -fsSL "$URL" -o "$TMPFILE"
elif command -v wget >/dev/null 2>&1; then
  wget -qO "$TMPFILE" "$URL"
else
  echo "Error: curl or wget is required" >&2
  exit 1
fi

chmod +x "$TMPFILE"

# Install — use sudo if needed
if [ -w "$INSTALL_DIR" ]; then
  mv "$TMPFILE" "${INSTALL_DIR}/${BINARY}"
else
  echo "Installing to ${INSTALL_DIR} (requires sudo)..."
  sudo mv "$TMPFILE" "${INSTALL_DIR}/${BINARY}"
fi

echo "pls installed to ${INSTALL_DIR}/${BINARY}"
echo "Run 'pls init' to set up your LLM provider."