#!/usr/bin/env node

/**
 * Setup Git Hooks for Prowler UI
 *
 * This script checks if prek is managing git hooks.
 * If not, it runs the repository's setup script to install prek.
 */

const { execSync } = require("child_process");
const fs = require("fs");
const path = require("path");

/**
 * Check if prek framework is managing git hooks
 */
function isPrekInstalled(gitRoot) {
  const hookPath = path.join(gitRoot, ".git", "hooks", "pre-commit");

  try {
    if (!fs.existsSync(hookPath)) return false;

    const content = fs.readFileSync(hookPath, "utf8");
    return (
      content.includes("prek") ||
      content.includes("pre-commit") ||
      content.includes("INSTALL_PYTHON")
    );
  } catch {
    return false;
  }
}

/**
 * Get git repository root directory
 */
function getGitRoot() {
  try {
    return execSync("git rev-parse --show-toplevel", {
      encoding: "utf8",
      stdio: ["pipe", "pipe", "pipe"],
    }).trim();
  } catch {
    return null;
  }
}

/**
 * Run the repository setup script
 */
function runSetupScript(gitRoot) {
  const setupScript = path.join(gitRoot, "scripts", "setup-git-hooks.sh");

  if (!fs.existsSync(setupScript)) {
    throw new Error("Setup script not found");
  }

  execSync(`bash "${setupScript}"`, {
    cwd: gitRoot,
    stdio: "inherit",
  });
}

// Main execution

// Skip in Docker/CI environments
if (
  process.env.DOCKER ||
  process.env.CI ||
  process.env.KUBERNETES_SERVICE_HOST
) {
  console.log(
    "⚠️  Running in containerized environment. Skipping git hooks setup.",
  );
  process.exit(0);
}

const gitRoot = getGitRoot();

if (!gitRoot) {
  console.log("⚠️  Not in a git repository. Skipping git hooks setup.");
  process.exit(0);
}

if (isPrekInstalled(gitRoot)) {
  console.log("✅ Git hooks managed by prek framework");
  console.log("   UI hooks will be called automatically for UI files");
  process.exit(0);
}

// Prek not installed - set it up
console.log("⚠️  Prek hooks not installed");
console.log("📦 Installing prek hooks...");
console.log("");

try {
  runSetupScript(gitRoot);
  console.log("");
  console.log("✅ Prek hooks installed successfully");
} catch (error) {
  console.error("❌ Failed to setup git hooks");
  console.error(
    "   Please run manually from repo root: ./scripts/setup-git-hooks.sh",
  );
  console.error(
    "   Or install prek manually: https://prek.j178.dev/installation/",
  );
  process.exit(1);
}