#!/bin/bash
#
# Build Scribe Security documentation from source for local development.
# This ensures all internal links work correctly with the /docs base path.
#
# Usage: ./scripts/download-docs.sh [--force]
#

set -e

# Get the directory where the script is located
SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
PROJECT_ROOT="$( cd "${SCRIPT_DIR}/.." && pwd )"
DOCS_DIR="${PROJECT_ROOT}/static/docs"
DOCS_REPO="https://github.com/scribe-security/docs.git"
TEMP_DIR=$(mktemp -d)
FORCE=false

# Cleanup function
cleanup() {
    rm -rf "${TEMP_DIR}"
}
trap cleanup EXIT

# Parse arguments
while [[ $# -gt 0 ]]; do
    case $1 in
        -f|--force)
            FORCE=true
            shift
            ;;
        *)
            echo "Unknown option: $1"
            echo "Usage: $0 [--force]"
            exit 1
            ;;
    esac
done

# Check if docs already exist
if [ -d "${DOCS_DIR}" ] && [ -n "$(ls -A ${DOCS_DIR} 2>/dev/null)" ] && [ "${FORCE}" = false ]; then
    echo "Documentation already exists in ${DOCS_DIR}"
    echo "Use --force to rebuild"
    exit 0
fi

# Check for required tools
if ! command -v node &> /dev/null; then
    echo "❌ Error: Node.js is required but not installed."
    echo "Please install Node.js 18+ from https://nodejs.org/"
    exit 1
fi

if ! command -v git &> /dev/null; then
    echo "❌ Error: Git is required but not installed."
    exit 1
fi

echo "================================================"
echo "Building Scribe Security Documentation"
echo "================================================"
echo "Repository: ${DOCS_REPO}"
echo "Target: ${DOCS_DIR}"
echo ""

# Clone the docs repository
echo "📥 Cloning documentation repository..."
git clone --depth 1 "${DOCS_REPO}" "${TEMP_DIR}"

# Build the documentation
echo "🔨 Installing dependencies..."
cd "${TEMP_DIR}"
npm ci --silent

echo "🔨 Building documentation (baseUrl=/docs)..."
DOCUSAURUS_BASE_URL=/docs npm run build

# Copy built docs to target directory
echo "📦 Copying built documentation..."
rm -rf "${DOCS_DIR}"
mkdir -p "${DOCS_DIR}"
cp -r "${TEMP_DIR}/build/"* "${DOCS_DIR}/"

echo ""
echo "✅ Documentation built successfully in ${DOCS_DIR}"
echo ""
echo "The docs will be available at http://localhost:5003/docs when you run the app."
echo "All internal links are configured to work with the /docs base path."