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

const PKG_JSON = JSON.parse(
    readFileSync(resolve(__dirname, "..", "package.json"), "utf8")
) as {
    dependencies?: Record<string, string>;
    devDependencies?: Record<string, string>;
};

describe("dep-graph", () => {
    it("declares the four required runtime suaveplan deps", {
        timeout: 5000,
    }, () => {
        const deps = PKG_JSON.dependencies ?? {};
        expect(deps["@suaveplan/api-types"]).toBeDefined();
        expect(deps["@suaveplan/error"]).toBeDefined();
        expect(deps["@suaveplan/events"]).toBeDefined();
        expect(deps["@suaveplan/fsm"]).toBeDefined();
        expect(deps["@suaveplan/retry"]).toBeDefined();
    });

    it("uses workspace ranges for internal deps", { timeout: 5000 }, () => {
        const deps = PKG_JSON.dependencies ?? {};
        for (const [name, range] of Object.entries(deps)) {
            if (name.startsWith("@suaveplan/")) {
                expect(range, `${name} should use workspace range`).toMatch(
                    /^workspace:/
                );
            }
        }
    });

    it("root barrel has no export-star", { timeout: 5000 }, () => {
        const indexSrc = readFileSync(
            resolve(__dirname, "..", "src", "index.ts"),
            "utf8"
        );
        // Forbid `export *` per CLAUDE.md rule 10. Namespace re-exports
        // (`export * as X`) are not used here.
        expect(/export\s+\*\s+from/.test(indexSrc)).toBe(false);
        expect(/export\s+\*\s+as/.test(indexSrc)).toBe(false);
    });
});