const { test } = require("node:test");
const assert = require("node:assert");
const builtins = require("../lib/builtins");
const { compileTheme } = require("../lib/compile");
const { normalizeTokens } = require("../lib/themeSchema");


test("listBuiltins returns frozen starters with namespaced ids", () => {
    const list = builtins.listBuiltins();
    assert.ok(list.length >= 3);
    for (const t of list) {
        assert.ok(builtins.isBuiltinId(t.id), `${t.id} is namespaced`);
        assert.ok(Object.isFrozen(t));
        assert.equal(t.engine, "bootstrap5");
    }
});


test("getBuiltin / get resolve by id, default is a real builtin", () => {
    assert.equal(builtins.getBuiltin("builtin:flatly").name, "Flatly");
    assert.equal(builtins.get("builtin:darkly").name, "Darkly");
    assert.equal(builtins.getBuiltin("builtin:nope"), null);
    assert.ok(builtins.getBuiltin(builtins.defaultId()));
});


test("isBuiltinId distinguishes builtins from uuid rows", () => {
    assert.equal(builtins.isBuiltinId("builtin:flatly"), true);
    assert.equal(builtins.isBuiltinId("ab12cd34-..."), false);
    assert.equal(builtins.isBuiltinId(undefined), false);
});


test("fallbackCss is valid, brace-free CSS", () => {
    const css = builtins.fallbackCss();
    assert.equal(typeof css, "string");
    assert.doesNotMatch(css, /[{}]/);
});


test("every builtin compiles to balanced CSS", () => {
    for (const t of builtins.listBuiltins()) {
        const out = compileTheme(normalizeTokens(t.tokens));
        assert.ok(!out.warnings.some((w) => /unbalanced|invalid/.test(w)), `${t.id} compiles cleanly`);
    }
});