/**
 * Author: Simon-Pierre Boucher
 * Contact: contact@spboucher.ai
 * Project: Hilmacorp.ai — Web Platform
 * File: tests/contact-validation.test.mjs
 * Description: Unit tests for the contact form validation used by the /api/contact route
 */

import { test } from "node:test";
import assert from "node:assert/strict";
import { validateContact } from "../lib/validate.ts";

test("accepts a valid payload", () => {
  const result = validateContact({
    name: "Jane Doe",
    organization: "Acme Inc.",
    email: "jane@acme.com",
    message: "We would like to discuss an AI project.",
  });
  assert.equal(result.ok, true);
  assert.deepEqual(result.errors, {});
  assert.equal(result.data?.name, "Jane Doe");
});

test("organization is optional", () => {
  const result = validateContact({
    name: "Jane Doe",
    organization: "",
    email: "jane@acme.com",
    message: "A perfectly valid message.",
  });
  assert.equal(result.ok, true);
});

test("rejects a missing name", () => {
  const result = validateContact({
    name: "",
    email: "jane@acme.com",
    message: "A perfectly valid message.",
  });
  assert.equal(result.ok, false);
  assert.equal(result.errors.name, "invalid_name");
});

test("rejects an invalid email", () => {
  for (const email of ["", "not-an-email", "a@b", "a b@c.com"]) {
    const result = validateContact({
      name: "Jane Doe",
      email,
      message: "A perfectly valid message.",
    });
    assert.equal(result.ok, false, `expected rejection for email: "${email}"`);
    assert.equal(result.errors.email, "invalid_email");
  }
});

test("rejects a message that is too short", () => {
  const result = validateContact({
    name: "Jane Doe",
    email: "jane@acme.com",
    message: "hi",
  });
  assert.equal(result.ok, false);
  assert.equal(result.errors.message, "invalid_message");
});

test("trims whitespace and handles non-string input safely", () => {
  const result = validateContact({
    name: "  Jane Doe  ",
    organization: 42,
    email: " jane@acme.com ",
    message: "  A perfectly valid message.  ",
  });
  assert.equal(result.ok, true);
  assert.equal(result.data?.name, "Jane Doe");
  assert.equal(result.data?.organization, "");
});

test("handles null and garbage payloads without throwing", () => {
  for (const payload of [null, undefined, "string", 12, []]) {
    const result = validateContact(payload);
    assert.equal(result.ok, false);
  }
});

test("caps oversized fields instead of rejecting them", () => {
  const result = validateContact({
    name: "Jane Doe",
    email: "jane@acme.com",
    message: "x".repeat(10000),
  });
  assert.equal(result.ok, true);
  assert.equal(result.data?.message.length, 5000);
});