import type { NextConfig } from "next"
import packageJson from "./package.json"

const nextConfig: NextConfig = {
    /* config options here */
    output: "standalone",
    // Support for subdirectory deployment (e.g., https://example.com/nextaidrawio)
    // Set NEXT_PUBLIC_BASE_PATH environment variable to your subdirectory path (e.g., /nextaidrawio)
    basePath: process.env.NEXT_PUBLIC_BASE_PATH || "",
    env: {
        APP_VERSION: packageJson.version,
    },
    // Include instrumentation.ts in standalone build for Langfuse telemetry,
    // and the shape library docs get_shape_library reads at run time
    outputFileTracingIncludes: {
        "*": ["./instrumentation.ts"],
        "/api/chat": ["./docs/shape-libraries/*.md"],
    },
    // The Chinese and Japanese About pages used to be separate routes
    async redirects() {
        return [
            {
                source: "/:lang/about/cn",
                destination: "/zh/about",
                permanent: true,
            },
            {
                source: "/:lang/about/ja",
                destination: "/ja/about",
                permanent: true,
            },
        ]
    },
}

export default nextConfig