import { test, expect } from '@playwright/test';

// Acceptance spec for the New Invoice wizard (basic-details -> [accounts] -> next-steps),
// the dual-purpose new+edit wizard with a CONDITIONAL middle step: basic-details creates
// straight away when customize-accounts = :default (the vendor's default expense account),
// and routes through the expense-accounts grid when :customize.
//
// NOTE: the pre-migration `mm` flow's basic-details "Save" was broken in this harness (and
// prod): the button PUT /invoice/new/navigate, whose `:to` query-schema 500s on empty
// query-params (the {}->nil main-transformer quirk). So this is an ACCEPTANCE gate -- red on
// the old code, green on the engine (whose submit is a POST with no query-schema). The seed
// exposes client TEST + vendor "Test Vendor" (default account "Test Account") via /test-info.
test.beforeEach(async ({ request }) => { await request.post('/test-reset'); });

async function seedIds(page: any): Promise<{ client: number; vendor: number }> {
  const info = await (await page.request.get('/test-info')).json();
  return { client: info.clientIds.test, vendor: info.accounts.vendor };
}

// Open the wizard from the invoice list (so htmx/alpine are present -- opening the modal
// fragment directly would submit natively).
async function openNewWizard(page: any) {
  await page.setExtraHTTPHeaders({ 'x-clients': '"mine"' });
  await page.goto('/invoice');
  await page.waitForSelector('#entity-table tbody tr');
  await page.locator('button:has-text("New invoice")').first().click();
  await page.waitForSelector('#wizard-form');
  await page.waitForTimeout(400);
}

// The vendor field is a typeahead whose hidden input posts invoice/vendor; set it the way a
// dropdown pick would land (the value the form submits).
async function setVendor(page: any, vendorId: number) {
  await page.evaluate((id: number) => {
    const hidden = document.querySelector('input[name="invoice/vendor"]') as HTMLInputElement;
    hidden.value = String(id);
    hidden.dispatchEvent(new Event('change', { bubbles: true }));
  }, vendorId);
}

// The customize-accounts radio lives in an async fragment loaded on the "bryce" event (fired
// when the Alpine vendorId changes). Trigger that htmx load explicitly after setting vendor.
async function loadPrediction(page: any) {
  await page.evaluate(() => {
    const el = document.querySelector('#expense-account-prediction [hx-put], #expense-account-prediction[hx-put]');
    // @ts-ignore
    if (el && window.htmx) window.htmx.trigger(el, 'bryce');
  });
  await page.waitForTimeout(600);
}

const save = (page: any) => page.locator('#wizard-form button:has-text("Save")').first().click();

test.describe.configure({ mode: 'serial' });

test.describe('New Invoice wizard (acceptance)', () => {
  test('basic-details renders the invoice fields', async ({ page }) => {
    await openNewWizard(page);
    const form = page.locator('#wizard-form');
    await expect(form).toContainText('New invoice');
    await expect(form).toContainText('Vendor');
    await expect(form).toContainText('Date');
    await expect(form).toContainText('Invoice Number');
    await expect(form).toContainText('Total');
    await expect(form.locator('input[name="invoice/total"]')).toBeVisible();
  });

  test('default-accounts path creates the invoice and offers to pay it now', async ({ page }) => {
    const { vendor } = await seedIds(page);
    await openNewWizard(page);
    await setVendor(page, vendor);
    await page.locator('input[name="invoice/invoice-number"]').fill('NEW-1001');
    await page.locator('input[name="invoice/total"]').fill('212.44');
    await page.waitForTimeout(200);
    await save(page);
    await page.waitForTimeout(1200);
    // the next-steps modal (done-fn output) -- no accounts step on the default path
    await expect(page.locator('body')).toContainText('Would you like to pay this invoice now?');
  });

  test('customize-accounts path routes through the expense-accounts grid then creates', async ({ page }) => {
    const { vendor } = await seedIds(page);
    await openNewWizard(page);
    await setVendor(page, vendor);
    await page.locator('input[name="invoice/invoice-number"]').fill('NEW-1002');
    await page.locator('input[name="invoice/total"]').fill('300.00');
    await loadPrediction(page);
    // pick "Customize accounts" (the radio in the async fragment)
    await page.locator('input[name="customize-accounts"][value="customize"]').first().check();
    await page.waitForTimeout(150);
    await save(page);
    await page.waitForTimeout(1000);
    // the expense-accounts step: a grid prefilled with the vendor's default account + total
    const form = page.locator('#wizard-form');
    await expect(form).toContainText('Invoice accounts');
    await expect(form).toContainText('INVOICE TOTAL');
    await save(page); // accounts -> done
    await page.waitForTimeout(1200);
    await expect(page.locator('body')).toContainText('Would you like to pay this invoice now?');
  });
});