#!/bin/sh
set -e

REPO="t8/memoryport"
BINARIES="uc uc-mcp uc-proxy uc-server"

# Detect OS
OS="$(uname -s)"
case "$OS" in
  Darwin) OS="macos" ;;
  Linux)  OS="linux" ;;
  *)
    echo "Error: Unsupported operating system: $OS"
    echo "Memoryport supports macOS and Linux."
    exit 1
    ;;
esac

# Detect architecture
ARCH="$(uname -m)"
case "$ARCH" in
  x86_64|amd64) ARCH="x64" ;;
  arm64|aarch64) ARCH="arm64" ;;
  *)
    echo "Error: Unsupported architecture: $ARCH"
    exit 1
    ;;
esac

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

echo "Installing Memoryport (${OS}/${ARCH})..."
echo ""

# Create temp directory
TMP="$(mktemp -d)"
trap 'rm -rf "$TMP"' EXIT

# Download
echo "Downloading $URL..."
if command -v curl >/dev/null 2>&1; then
  curl -fsSL "$URL" -o "$TMP/$ASSET"
elif command -v wget >/dev/null 2>&1; then
  wget -q "$URL" -O "$TMP/$ASSET"
else
  echo "Error: curl or wget is required."
  exit 1
fi

# Extract
tar -xzf "$TMP/$ASSET" -C "$TMP"

# Determine install directory
if [ -w /usr/local/bin ]; then
  INSTALL_DIR="/usr/local/bin"
  NEEDS_SUDO=false
elif command -v sudo >/dev/null 2>&1 && sudo -n true 2>/dev/null; then
  INSTALL_DIR="/usr/local/bin"
  NEEDS_SUDO=true
else
  INSTALL_DIR="${HOME}/.local/bin"
  NEEDS_SUDO=false
  mkdir -p "$INSTALL_DIR"
fi

# Install all binaries
for BIN_NAME in $BINARIES; do
  BIN="$(find "$TMP" -name "$BIN_NAME" -type f | head -1)"
  if [ -z "$BIN" ]; then
    echo "Warning: '$BIN_NAME' not found in archive, skipping."
    continue
  fi
  chmod +x "$BIN"
  if [ "$NEEDS_SUDO" = true ]; then
    sudo mv "$BIN" "$INSTALL_DIR/$BIN_NAME"
  else
    mv "$BIN" "$INSTALL_DIR/$BIN_NAME"
  fi
done

# Check if install dir is on PATH
case ":$PATH:" in
  *":$INSTALL_DIR:"*) ;;
  *)
    echo ""
    echo "Note: $INSTALL_DIR is not in your PATH."
    echo "Add it by running:"
    echo ""
    if [ -n "$ZSH_VERSION" ] || [ "$(basename "$SHELL")" = "zsh" ]; then
      echo "  echo 'export PATH="$INSTALL_DIR:\$PATH"' >> ~/.zshrc && source ~/.zshrc"
    else
      echo "  echo 'export PATH="$INSTALL_DIR:\$PATH"' >> ~/.bashrc && source ~/.bashrc"
    fi
    echo ""
    ;;
esac

echo ""
echo "Memoryport installed to $INSTALL_DIR"
echo "  uc         — CLI"
echo "  uc-mcp     — MCP server for Claude Code / Cursor"
echo "  uc-proxy   — API proxy for auto-capture"
echo "  uc-server  — Dashboard API server"
echo ""
echo "Get started:"
echo "  uc init"
echo ""