#!/bin/sh
set -e

# redacted installer
# Usage: curl -sSL https://raw.githubusercontent.com/svn-arv/redacted/main/install.sh | sh

REPO="svn-arv/redacted"
INSTALL_DIR="/usr/local/bin"

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

case "$ARCH" in
  x86_64|amd64) ARCH="amd64" ;;
  aarch64|arm64) ARCH="arm64" ;;
  *) echo "Unsupported architecture: $ARCH" && exit 1 ;;
esac

case "$OS" in
  linux) OS="linux" ;;
  darwin) OS="darwin" ;;
  *) echo "Unsupported OS: $OS" && exit 1 ;;
esac

# Get latest release tag
LATEST=$(curl -sSL "https://api.github.com/repos/${REPO}/releases/latest" | grep '"tag_name"' | cut -d'"' -f4)

if [ -z "$LATEST" ]; then
  echo "Error: could not determine latest release"
  exit 1
fi

# Download and extract
FILENAME="redacted_${OS}_${ARCH}.tar.gz"
URL="https://github.com/${REPO}/releases/download/${LATEST}/${FILENAME}"

echo "Downloading redacted ${LATEST} for ${OS}/${ARCH}..."

TMPDIR=$(mktemp -d)
trap 'rm -rf "$TMPDIR"' EXIT

curl -sSL "$URL" -o "${TMPDIR}/${FILENAME}"
tar -xzf "${TMPDIR}/${FILENAME}" -C "$TMPDIR"

# Install
if [ -w "$INSTALL_DIR" ]; then
  mv "${TMPDIR}/redacted" "${INSTALL_DIR}/redacted"
else
  echo "Installing to ${INSTALL_DIR} (requires sudo)..."
  sudo mv "${TMPDIR}/redacted" "${INSTALL_DIR}/redacted"
fi

chmod +x "${INSTALL_DIR}/redacted"

echo "Installed redacted ${LATEST} to ${INSTALL_DIR}/redacted"
echo ""
echo "Run 'redacted init' to set up the Claude Code hook."