import assert from 'node:assert/strict';
import test from 'node:test';
import { readFileSync } from 'node:fs';
import { loadPageActionRealm } from './page-action-test-realm.mjs';

const source = readFileSync(new URL('../chrome-extension/ltjt-order-assistant/lifecycle-adapters.js', import.meta.url), 'utf8');
// Isolate room editing from separately covered lookup/readiness logic. The
// real field application, validation, serialization, POST, fresh GET and
// result classification run against a synthetic ERP form and transport.
const adapter = source.replace('assistant.preflightLifecycleOperation = preflightLifecycleOperation;', `
  preflightLifecycleOperation = async (operation) => {
    const blockers = operationBlockers(operation);
    return { status: blockers.length ? 'lifecycle_preflight_blocked' : 'lifecycle_preflight_ready',
      blockers, no_erp_write: true, write_attempted: false, preflight: {} };
  };
  ownershipListProof = async () => ({ matched: true });
  assistant.preflightLifecycleOperation = preflightLifecycleOperation;`);

function fixture({ initial = {}, missing = [], persisted = {}, wrongTotal = false, fallbackTotal = false } = {}) {
  const requests = [];
  let saved = null;
  let sumCalls = 0;
  const fields = new Map();
  const window = { location: new URL('https://erp.invalid/System/Business/orders_add.asp?ddid=123&tdid=456'), setTimeout, clearTimeout };
  const document = { body: { innerText: 'LW-SYNTHETIC' }, querySelector: () => form, querySelectorAll: () => [] };
  const form = { id: 'ListForm', elements: [], ownerDocument: document };
  document.defaultView = window;
  for (const [name, value] of Object.entries({
    tdid: 456, ddid: 123, frenshu0: 1, frenshu1: 8, frenshu2: 1, frenshu3: 1,
    frenshu4: 0, frenshu5: 1, frenshu6: 12, darenshu: 20, xiadanbeizhu: '保留备注', ...initial
  })) {
    if (missing.includes(name)) continue;
    const control = { name, id: name, value: String(value), type: 'text', tagName: 'INPUT',
      getAttribute(key) { return key === 'value' ? this.value : null; }, dispatchEvent() {} };
    fields.set(name, control); form.elements.push(control);
  }
  const freshDocument = () => {
    const values = { ...saved, ...persisted };
    const freshForm = { elements: Object.entries(values).map(([name, value]) => ({ name, id: name,
      tagName: 'INPUT', type: 'text', value: String(value), getAttribute: (key) => key === 'value' ? String(value) : null })) };
    return { body: { innerText: 'LW-SYNTHETIC' }, querySelector(selector) {
      if (selector.includes('#ListForm') || selector.includes('#InfoForm1')) return freshForm;
      return freshForm.elements.find((control) => selector.includes(`[name="${control.name}"]`)) || null;
    }, querySelectorAll: () => [] };
  };
  window.Vidy = { CheckMastInput: () => true };
  if (!fallbackTotal) window.sum_fang = () => {
    sumCalls++;
    fields.get('frenshu6').value = wrongTotal ? '999' : String([0, 1, 2, 3, 4, 5].reduce((sum, i) => sum + Number(fields.get(`frenshu${i}`).value || 0), 0));
  };
  const globals = {
    window, document, location: window.location, Event, URL, URLSearchParams, TextEncoder,
    crypto: globalThis.crypto, AbortController, Blob, setTimeout, clearTimeout,
    DOMParser: class { parseFromString() { return freshDocument(); } },
    async fetch(url, options) {
      requests.push({ url, ...options });
      if (options.method === 'POST') saved = Object.fromEntries(new URLSearchParams(options.body));
      return { ok: true, status: 200, text: async () => options.method === 'POST' ? '修改成功' : 'LW-SYNTHETIC' };
    }
  };
  loadPageActionRealm(window, globals, { 'lifecycle-adapters.js': adapter });
  const operation = { action: 'order_update_independent', order_nature: 'formal', submit_mode: 'dry_run', data: {
    existing_refs: { kind: 'independent_order', identifier: 'LW-SYNTHETIC', tid: '456', ddid: '123', resolved: true, resolution_source: 'erp_unique_match' },
    updates: { actions: [
      { target: 'rooms.TWN', operation: 'set', value: 12 },
      { target: 'rooms.DBL', operation: 'set', value: 2 }
    ] }
  } };
  return { api: window.LTJTOrderAssistant, plans: window.LTJTOperationPlans, operation, fields,
    requests, sumCalls: () => sumCalls, saved: () => saved };
}

test('mixed TWN/DBL updates serialize both fields, preserve other rooms and verify a fresh GET', async () => {
  for (const fallbackTotal of [false, true]) {
    const f = fixture({ fallbackTotal });
    const plan = f.plans.validateOperation(f.operation);
    assert.equal(plan.ok, true, JSON.stringify(plan));
    assert.doesNotMatch(plan.warnings.join(), /rooms.DBL/);
    const result = await f.api.liveSubmitLifecycleOperation(f.operation);
    assert.equal(result.status, 'lifecycle_completed', JSON.stringify(result));
    assert.equal(f.saved().Act, 'DoInfoJH');
    assert.equal(f.saved().frenshu1, '12');
    assert.equal(f.saved().frenshu3, '2');
    assert.equal(f.saved().frenshu6, '17');
    assert.equal(f.saved().frenshu0, '1');
    assert.equal(f.saved().frenshu2, '1');
    assert.equal(f.saved().frenshu4, '0');
    assert.equal(f.saved().frenshu5, '1');
    assert.equal(f.saved().xiadanbeizhu, '保留备注');
    assert.equal(f.saved().darenshu, '20');
    assert.equal(f.requests.filter((r) => r.method === 'POST').length, 1);
    assert.equal(f.requests.at(-1).cache, 'no-store');
    assert.equal(f.sumCalls(), fallbackTotal ? 0 : 1);
    assert.ok(result.requery.checks.some((check) => check.field === 'frenshu3' && check.matched));
  }
});

test('DBL zero is an explicit reset and identical room targets never resubmit', async () => {
  const f = fixture();
  f.operation.data.updates.actions = [{ target: 'rooms.DBL', operation: 'set', value: 0 }];
  assert.equal((await f.api.liveSubmitLifecycleOperation(f.operation)).status, 'lifecycle_completed');
  assert.equal(f.saved().frenshu3, '0');
  assert.equal(f.saved().frenshu1, '8');
  assert.equal(f.saved().frenshu6, '11');
  const same = fixture({ initial: { frenshu1: 12, frenshu3: 2, frenshu6: 17 } });
  assert.match((await same.api.liveSubmitLifecycleOperation(same.operation)).blockers.join(), /lifecycle_update_no_effect/);
  assert.equal(same.requests.length, 0);
});

test('a successful POST cannot hide a missing or stale DBL value or total in fresh ERP data', async () => {
  for (const persisted of [{ frenshu3: '1' }, { frenshu3: '' }, { frenshu6: '16' }]) {
    const f = fixture({ persisted });
    const result = await f.api.liveSubmitLifecycleOperation(f.operation);
    assert.equal(result.status, 'lifecycle_execution_uncertain');
    assert.equal(result.write_attempted, true);
    assert.equal(result.requery.matched, false);
    assert.match(result.blockers.join(), /write_after_requery_mismatch/);
    assert.equal(f.requests.filter((r) => r.method === 'POST').length, 1);
  }
});

test('missing controls, invalid existing rooms and incorrect native totals stop before saving', async () => {
  for (const options of [{ missing: ['frenshu3'] }, { missing: ['frenshu6'] }, { initial: { frenshu2: '-1' } }, { wrongTotal: true }]) {
    const f = fixture(options);
    const result = await f.api.liveSubmitLifecycleOperation(f.operation);
    assert.equal(result.status, 'lifecycle_apply_blocked', JSON.stringify(result));
    assert.equal(result.no_erp_write, true);
    assert.equal(f.requests.length, 0);
  }
});

test('invalid DBL targets and unimplemented fields block the whole mixed operation', async () => {
  for (const item of [
    { target: 'rooms.DBL', operation: 'set', value: -1 },
    { target: 'rooms.DBL', operation: 'set', value: 1.5 },
    { target: 'rooms.DBL', operation: 'delta', value: 1 },
    { target: 'rooms.TRP', operation: 'set', value: 2 }
  ]) {
    const f = fixture();
    f.operation.data.updates.actions[1] = item;
    const result = await f.api.liveSubmitLifecycleOperation(f.operation);
    assert.equal(result.status, 'lifecycle_preflight_blocked', JSON.stringify(result));
    assert.equal(f.fields.get('frenshu1').value, '8');
    assert.equal(f.requests.length, 0);
  }
});

test('read-only reconciliation verifies the requested DBL field and never posts', async () => {
  const f = fixture({ persisted: { frenshu1: '12', frenshu3: '2' } });
  const result = await f.api.verifyLifecycleOperation(f.operation);
  assert.equal(result.status, 'lifecycle_requery_matched', JSON.stringify(result));
  assert.ok(result.requery.checks.some((check) => check.field === 'frenshu3' && check.matched));
  assert.equal(f.requests.length, 1);
  assert.equal(f.requests[0].method, undefined);
  assert.equal(f.requests[0].cache, 'no-store');
});