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

const pkg = JSON.parse(
    readFileSync(resolve(import.meta.dirname, "../package.json"), "utf-8")
) as Record<string, unknown>;

describe("dep-graph", () => {
    it("has sideEffects: false", { timeout: 5000 }, () => {
        expect(pkg["sideEffects"]).toBe(false);
    });

    it("has no disallowed @suaveplan/* runtime deps (only error, types, events, diff)", {
        timeout: 5000,
    }, () => {
        const deps = Object.keys(
            (pkg["dependencies"] as Record<string, string>) ?? {}
        );
        const suaveDeps = deps.filter((d) => d.startsWith("@suaveplan/"));
        const allowed = new Set([
            "@suaveplan/error",
            "@suaveplan/types",
            "@suaveplan/events",
            "@suaveplan/diff",
        ]);
        for (const dep of suaveDeps) {
            expect(allowed.has(dep), `unexpected dep: ${dep}`).toBe(true);
        }
    });

    it("workspace deps use workspace:^ range", { timeout: 5000 }, () => {
        const deps = (pkg["dependencies"] as Record<string, string>) ?? {};
        for (const [name, version] of Object.entries(deps)) {
            if (name.startsWith("@suaveplan/")) {
                expect(version, `${name} should use workspace:^`).toBe(
                    "workspace:^"
                );
            }
        }
    });
});