import * as Sentry from "@sentry/nextjs";
import { NextResponse } from "next/server";
import { nextcloud } from "@/lib/webdav";
import { normalizePath } from "@/lib/paths";

export const runtime = "nodejs";
export const dynamic = "force-dynamic";

function json<T>(data: T, init?: { status?: number } & ResponseInit) {
  return NextResponse.json(data, init);
}

// GET ?path=/abs/path  -> { content, mimeType }
export async function GET(req: Request) {
  try {
    const { searchParams } = new URL(req.url);
    const rawPath = searchParams.get("path");
    if (!rawPath) {
      return json({ error: "path is required" }, { status: 400 });
    }
    const path = normalizePath(rawPath);

    const result = await Sentry.startSpan(
      { op: "function", name: "api.files.content.get" },
      async (span) => {
        span.setAttribute("path", path);
        const res = await nextcloud.readText(path);
        return res;
      },
    );

    return json(result);
  } catch (error: unknown) {
    Sentry.captureException(error);
    const message = error instanceof Error ? error.message : String(error);
    const status = /404/.test(message) ? 404 : 500;
    return json({ error: "Failed to read file content", message }, { status });
  }
}

// PUT { path, content, mimeType? } -> { ok, etag? }
export async function PUT(req: Request) {
  try {
    const body = (await req.json().catch(() => ({}))) as {
      path?: string;
      content?: string;
      mimeType?: string;
    };
    if (!body?.path || typeof body.content !== "string") {
      return json({ error: "path and content are required" }, { status: 400 });
    }
    const path = normalizePath(body.path);
    const mime = body.mimeType || "text/markdown";

    const result = await Sentry.startSpan(
      { op: "function", name: "api.files.content.put" },
      async (span) => {
        span.setAttribute("path", path);
        span.setAttribute("content.length", body.content!.length);
        span.setAttribute("mimeType", mime);
        const res = await nextcloud.writeText(path, body.content!, mime);
        return res;
      },
    );

    return json(result);
  } catch (error: unknown) {
    Sentry.captureException(error);
    const message = error instanceof Error ? error.message : String(error);
    const status = /409|conflict/i.test(message)
      ? 409
      : /423|locked/i.test(message)
      ? 423
      : 500;
    return json({ error: "Failed to write file content", message }, { status });
  }
}