import assert from "node:assert/strict";
import { readFileSync } from "node:fs";
import path from "node:path";
import { fileURLToPath } from "node:url";

import ts from "typescript";

const testDir = path.dirname(fileURLToPath(import.meta.url));
const sourcePath = path.resolve(
  testDir,
  "../src/features/article-intake/model.ts",
);
const source = readFileSync(sourcePath, "utf8");
const compiled = ts.transpileModule(source, {
  compilerOptions: {
    module: ts.ModuleKind.CommonJS,
    target: ts.ScriptTarget.ES2022,
  },
});

const moduleExports = {};
new Function("exports", compiled.outputText)(moduleExports);

const validateArticleDraft = moduleExports.validateArticleDraft;
const initialDraft = moduleExports.initialDraft;

const draft = {
  targetSiteId: "",
  briefDescription: "Keep this text intact",
  workingTitle: "",
  contentType: "longform_guide",
  primaryKeyword: "",
};

const errors = validateArticleDraft(draft);
assert.ok(errors.targetSiteId, "validation should require target site");

assert.equal(
  draft.briefDescription,
  "Keep this text intact",
  "brief description value should remain in form state when validation fails",
);

const fallbackDraft = initialDraft([]);
assert.equal(fallbackDraft.contentType, "longform_guide", "default content type preserved");