const checkEnvVariables = require("./check-env-variables")

checkEnvVariables()

/**
 * Medusa Cloud-related environment variables
 */
const S3_HOSTNAME = process.env.MEDUSA_CLOUD_S3_HOSTNAME
const S3_PATHNAME = process.env.MEDUSA_CLOUD_S3_PATHNAME

/**
 * Hosts that may serve product/category images through next/image: the
 * Medusa backend itself (local file provider serves uploads from /static) plus
 * any extra hosts listed in NEXT_PUBLIC_IMAGE_HOSTS (comma-separated, e.g. an
 * ngrok or CDN hostname). Without this, uploaded images are blocked with
 * "hostname is not configured under images".
 */
const extraImagePatterns = []
const imageHosts = [
  process.env.MEDUSA_BACKEND_URL,
  ...(process.env.NEXT_PUBLIC_IMAGE_HOSTS || "").split(","),
]
for (const raw of imageHosts) {
  const value = raw && raw.trim()
  if (!value) continue
  try {
    const url = new URL(value.includes("://") ? value : `https://${value}`)
    extraImagePatterns.push({
      protocol: url.protocol.replace(":", ""),
      hostname: url.hostname,
      ...(url.port ? { port: url.port } : {}),
    })
  } catch {
    // ignore malformed entries
  }
}

/**
 * @type {import('next').NextConfig}
 */
const nextConfig = {
  reactStrictMode: true,
  logging: {
    fetches: {
      fullUrl: true,
    },
  },
  images: {
    remotePatterns: [
      {
        protocol: "http",
        hostname: "localhost",
      },
      {
        protocol: "https",
        hostname: "medusa-public-images.s3.eu-west-1.amazonaws.com",
      },
      {
        protocol: "https",
        hostname: "medusa-server-testing.s3.amazonaws.com",
      },
      {
        protocol: "https",
        hostname: "medusa-server-testing.s3.us-east-1.amazonaws.com",
      },
      ...extraImagePatterns,
      ...(S3_HOSTNAME && S3_PATHNAME
        ? [
            {
              protocol: "https",
              hostname: S3_HOSTNAME,
              pathname: S3_PATHNAME,
            },
          ]
        : []),
    ],
  },
}

module.exports = nextConfig