import { readFile } from "node:fs/promises";
import path from "node:path";
import { describe, expect, it } from "@suaveplan/testing/runner";

const PKG_ROOT = path.resolve(import.meta.dirname, "..");

describe("api-plugin-sse — dependency graph and exports map", () => {
    it("exports map advertises every feature subpath", {
        timeout: 5000,
    }, async () => {
        const raw = await readFile(path.join(PKG_ROOT, "package.json"), "utf8");
        const pkg = JSON.parse(raw) as {
            exports: Record<string, unknown>;
        };
        const subpaths = Object.keys(pkg.exports)
            .filter(
                (k) =>
                    (k === "." || k.startsWith("./")) && k !== "./package.json"
            )
            .sort();
        expect(subpaths).toEqual(
            [
                ".",
                "./plugin/plugin",
                "./services/service",
                "./middleware/sse-handler",
                "./formatter/format",
                "./formatter/parse",
                "./buffer/ring-buffer",
                "./fanout/in-process",
                "./schemas/options",
                "./schemas/event",
                "./error-codes/error-codes",
                "./otel/instruments",
                "./types/types",
                "./registry/service-registry",
            ].sort()
        );
    });

    it("dependencies use only workspace and catalog refs", {
        timeout: 5000,
    }, async () => {
        const raw = await readFile(path.join(PKG_ROOT, "package.json"), "utf8");
        const pkg = JSON.parse(raw) as {
            dependencies?: Record<string, string>;
            devDependencies?: Record<string, string>;
        };
        const all = {
            ...(pkg.dependencies ?? {}),
            ...(pkg.devDependencies ?? {}),
        };
        for (const [name, version] of Object.entries(all)) {
            // Allow exact versions for explicitly pinned testing deps.
            if (name === "@opentelemetry/sdk-metrics") continue;
            if (
                !version.startsWith("workspace:") &&
                !version.startsWith("catalog:")
            ) {
                throw new Error(
                    `Dependency ${name} uses bare version '${version}' — must be workspace:/catalog:`
                );
            }
        }
        expect(true).toBe(true);
    });
});