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

const PKG = join(__dirname, "..", "package.json");
const SRC = join(__dirname, "..", "src");

describe("@suaveplan/api-manifest package shape", () => {
    it("depends on the expected set of workspace + catalog packages", {
        timeout: 5000,
    }, () => {
        const pkg = JSON.parse(readFileSync(PKG, "utf8")) as {
            dependencies: Record<string, string>;
        };
        const deps = Object.keys(pkg.dependencies).sort();
        expect(deps).toEqual([
            "@suaveplan/api-types",
            "@suaveplan/error",
            "@suaveplan/types",
            "tslib",
            "zod",
        ]);
    });

    it("every src file uses default-import z (no named import)", {
        timeout: 5000,
    }, () => {
        const offenders: string[] = [];
        walk(SRC, (file) => {
            if (!file.endsWith(".ts")) return;
            const content = readFileSync(file, "utf8");
            if (/import\s*\{\s*z\s*\}\s*from\s*["']zod["']/.test(content)) {
                offenders.push(file);
            }
        });
        expect(offenders).toEqual([]);
    });

    it("root barrel has no export-star", { timeout: 5000 }, () => {
        const content = readFileSync(join(SRC, "index.ts"), "utf8");
        expect(/export\s*\*/.test(content)).toBe(false);
    });
});

function walk(dir: string, fn: (file: string) => void): void {
    for (const name of readdirSync(dir)) {
        const p = join(dir, name);
        const st = statSync(p);
        if (st.isDirectory()) walk(p, fn);
        else fn(p);
    }
}