/* eslint-disable */
/**
 * Inquiry & Observation dept-response workflow E2E (the SIMPLE flow):
 *   PX-team sends to department -> champion responds -> PX reviews (accept/reject).
 * No manager review, no investigation questions (unlike complaints).
 *
 * Drives the real HTTP endpoints; asserts state after each step via the
 * get_e2e_dept_response_state CLI helper. Run-to-completion style.
 *
 * Run headed fullscreen:
 *   E2E_MAXIMIZED=1 E2E_TIMEOUT=120000 E2E_ACTION_TIMEOUT=12000 E2E_NAV_TIMEOUT=20000 \
 *     npx playwright test --headed --project chromium inquiry-observation-dept-workflow --workers=1
 */
import { test } from '@playwright/test';
import { execSync } from 'child_process';
import * as path from 'path';
import { attachObservers, bodyHasTraceback, loginAndScope, observe, OBS, BASE_URL } from '../../helpers/audit';
import { RoleName } from '../../helpers/helpers';

const PROJECT_ROOT = path.resolve(__dirname, '..', '..', '..');
const PXT: RoleName = 'hospital_admin';
const CHAMP: RoleName = 'champion';

type Page = import('@playwright/test').Page;
type State = Record<string, string>;

interface KindCfg {
  label: string;
  module: string;
  seedKind: string;
  detail: (id: string) => string;
  sendTo: (id: string) => string;
  sendToken: (id: string) => string;
  deptResponse: (id: string) => string;
  review: (id: string) => string;
  tokenRespond: (id: string, tok: string) => string;
  activate: (id: string) => string;
  changeStatus: (id: string) => string;
  pxRespond?: (id: string) => string; // inquiry requires a PX response before resolve
  // state field that indicates "sent" + its expected value
  sentField: string;
  sentWant: string;
}

const KINDS: KindCfg[] = [
  {
    label: 'Inquiry', module: 'InquiryDeptResponse', seedKind: 'inquiry',
    detail: (id) => `/inquiries/${id}/`,
    sendTo: (id) => `/inquiries/${id}/send-to/`,
    sendToken: (id) => `/inquiries/${id}/transfer-to-department/`,
    deptResponse: (id) => `/inquiries/${id}/department-response/`,
    review: (id) => `/inquiries/${id}/review-dept-response/`,
    tokenRespond: (id, tok) => `/inquiries/${id}/respond/${tok}/`,
    activate: (id) => `/inquiries/${id}/activate/`,
    changeStatus: (id) => `/inquiries/${id}/change-status/`,
    pxRespond: (id) => `/inquiries/${id}/respond/`,
    sentField: 'transferred_to_department', sentWant: 'NOT_NONE',
  },
  {
    label: 'Observation', module: 'ObservationDeptResponse', seedKind: 'observation',
    detail: (id) => `/observations/${id}`,
    sendTo: (id) => `/observations/${id}/send-to/`,
    sendToken: (id) => `/observations/${id}/send-to-department/`,
    deptResponse: (id) => `/observations/${id}/department-response/`,
    review: (id) => `/observations/${id}/review-dept-response/`,
    tokenRespond: (id, tok) => `/observations/${id}/respond/${tok}/`,
    activate: (id) => `/observations/${id}/activate/`,
    changeStatus: (id) => `/observations/${id}/status/`,
    sentField: 'sent_to_department', sentWant: 'True',
  },
];

function uv(args: string): string {
  return execSync(args, { cwd: PROJECT_ROOT }).toString();
}

function seed(kind: string): { itemId: string; deptId: string; champStaffId: string } {
  const out = uv(`uv run manage.py seed_e2e_dept_response ${kind}`);
  const m = out.match(/item_id=(\S+)\s+(?:tracking_code=\S+\s+)?department_id=(\S+)\s+champion_staff_id=(\S+)/);
  if (!m) throw new Error('seed parse failed: ' + out);
  return { itemId: m[1], deptId: m[2], champStaffId: m[3] };
}

function state(kind: string, id: string): State {
  const out = uv(`uv run manage.py get_e2e_dept_response_state ${kind} ${id}`);
  const s: State = {};
  for (const line of out.split('\n')) {
    const i = line.indexOf('=');
    if (i > 0) s[line.slice(0, i)] = line.slice(i + 1);
  }
  return s;
}

async function csrfOf(page: Page): Promise<string> {
  return page.context().cookies().then((c) => c.find((x) => x.name === 'csrftoken')?.value || '');
}

async function postForm(page: Page, url: string, data: Record<string, string>) {
  const csrf = await csrfOf(page);
  return page.context().request.post(url, {
    maxRedirects: 0,
    headers: { 'X-Requested-With': 'XMLHttpRequest', ...(csrf ? { 'X-CSRFToken': csrf } : {}) },
    form: { csrfmiddlewaretoken: csrf, ...data },
  });
}

async function postObs(page: Page, M: string, url: string, data: Record<string, string>, step: string, role?: string) {
  const r = await postForm(page, url, data);
  const loc = r.headers()['location'] || '';
  const bounce = loc.includes('/accounts/login');
  observe(M, step, r.status() < 400 && !bounce ? 'PASS' : 'FAIL',
    `HTTP ${r.status()}${loc ? ` -> ${loc.slice(0, 50)}` : ''}${bounce ? ' (auth bounce!)' : ''}`, { role, http: r.status() });
  return r;
}

async function login(page: Page, role: RoleName, M: string) {
  await page.context().clearCookies();
  await loginAndScope(page, role, M);
}

async function ensureAuth(page: Page, role: RoleName, M: string) {
  const probe = await page.context().request.get(`${BASE_URL}/complaints/?__probe=1`, { maxRedirects: 0 });
  if (probe.status() === 302 && (probe.headers()['location'] || '').includes('/accounts/login')) await login(page, role, M);
}

const assertSt = (M: string, kind: string, id: string, want: Record<string, string>, step: string, role?: string) => {
  const s = state(kind, id);
  for (const [k, v] of Object.entries(want)) {
    let got = s[k];
    if (v === 'NOT_NONE') got = got && got !== 'NONE' ? 'NOT_NONE' : 'NONE';
    observe(M, step, got === v ? 'PASS' : 'FAIL', `${k}=${s[k]} (want ${v})`, { role });
  }
};

// ---------- shared flow runners ----------

async function flowA(page: Page, K: KindCfg) {
  const M = K.module;
  attachObservers(page, M, PXT);
  let itemId = '';
  try {
    const s = seed(K.seedKind);
    itemId = s.itemId;
    observe(M, 'A-seed', 'INFO', `${K.label} ${itemId}`, { role: PXT });

    // Helper: try the visible UI path; if it doesn't achieve the expected state, fall back to a direct POST.
    const ensureState = async (want: Record<string, string>, step: string, role: string, fallback?: () => Promise<void>) => {
      const before = state(K.seedKind, itemId);
      const okBefore = Object.entries(want).every(([k, v]) => (v === 'NOT_NONE' ? (before[k] && before[k] !== 'NONE') : before[k] === v));
      if (!okBefore && fallback) { await fallback(); }
      assertSt(M, K.seedKind, itemId, want, step, role);
    };

    // 1. PX send - VISIBLE: detail page + Send-to modal
    await login(page, PXT, M); await ensureAuth(page, PXT, M);
    // activate first (items can't be sent to a dept until activated)
    await postForm(page, `${BASE_URL}${K.activate(itemId)}`, {});
    await page.goto(`${BASE_URL}${K.detail(itemId)}`);
    await page.waitForLoadState('domcontentloaded');
    await page.waitForTimeout(700);
    await page.evaluate((args) => {
      const fn = (window as any).showSendModal;
      if (typeof fn === 'function') { try { fn(args.id, args.kind); } catch { /* ignore */ } }
      const m = document.getElementById('sendToModal');
      if (m) m.classList.remove('hidden');
    }, { id: itemId, kind: K.seedKind });
    await page.waitForTimeout(500);
    await page.locator('input[name="recipient_type"][value="department"]').first().check({ force: true }).catch(() => {});
    await page.locator('select[name="department_id"]').first().selectOption({ value: s.deptId }).catch(() => {});
    await page.waitForTimeout(1200);
    await page.locator('select[name="contact_person_id"]').first().selectOption({ value: s.champStaffId }).catch(() => {});
    await page.waitForTimeout(300);
    await page.locator('#sendToModal button[type="submit"], #sendToModal button:not([type="button"])').first().click({ force: true }).catch(() => {});
    await page.waitForLoadState('networkidle', { timeout: 8000 }).catch(() => {});
    await page.waitForTimeout(1200);
    await ensureState({ [K.sentField]: K.sentWant }, 'A-send-state', PXT,
      async () => { await postObs(page, M, `${BASE_URL}${K.sendTo(itemId)}`, { recipient_type: 'department', department_id: s.deptId, contact_person_id: s.champStaffId, note: 'E2E send' }, 'A-send-fallback', PXT); });

    // 2. Champion responds - VISIBLE: dept-response page
    await login(page, CHAMP, M); await ensureAuth(page, CHAMP, M);
    await page.goto(`${BASE_URL}${K.deptResponse(itemId)}`);
    await page.waitForLoadState('domcontentloaded');
    await page.waitForTimeout(500);
    const tb = await bodyHasTraceback(page);
    if (!tb) {
      const ta = page.locator('textarea[name="response_en"]').first();
      if (await ta.count()) {
        await ta.fill(`E2E ${K.label} champion response (A)`);
        // submit the response form specifically
        await page.locator('form[action*="department-response"] button[type="submit"], textarea[name="response_en"] ~ * button[type="submit"], button[type="submit"]').first().click({ force: true }).catch(() => {});
        await page.waitForLoadState('networkidle', { timeout: 8000 }).catch(() => {});
        await page.waitForTimeout(1000);
      }
    }
    await ensureState({ department_response_en_set: 'True', dept_response_acceptance_status: 'pending' }, 'A-champion-state', CHAMP,
      async () => { await postObs(page, M, `${BASE_URL}${K.deptResponse(itemId)}`, { response_en: `E2E ${K.label} champion response (A)` }, 'A-champion-fallback', CHAMP); });

    // 3. PX accepts - VISIBLE: click Accept on the detail page
    await login(page, PXT, M); await ensureAuth(page, PXT, M);
    await page.goto(`${BASE_URL}${K.detail(itemId)}`);
    await page.waitForLoadState('domcontentloaded');
    await page.waitForTimeout(600);
    const acceptForm = page.locator('form').filter({ has: page.locator('input[name="acceptance_status"][value="acceptable"]') }).first();
    if (await acceptForm.count()) {
      await acceptForm.locator('button[type="submit"]').first().click({ force: true }).catch(() => {});
      await page.waitForLoadState('networkidle', { timeout: 8000 }).catch(() => {});
      await page.waitForTimeout(1000);
    }
    await ensureState({ dept_response_acceptance_status: 'acceptable' }, 'A-accept-state', PXT,
      async () => { await postObs(page, M, `${BASE_URL}${K.review(itemId)}`, { acceptance_status: 'acceptable' }, 'A-accept-fallback', PXT); });

    // 4. Resolve (best-effort; some status machines can't jump to resolved)
    if (K.pxRespond) await postObs(page, M, `${BASE_URL}${K.pxRespond(itemId)}`, { response_en: `E2E ${K.label} PX response` }, 'A-px-respond', PXT);
    await postForm(page, `${BASE_URL}${K.activate(itemId)}`, {});
    await postObs(page, M, `${BASE_URL}${K.changeStatus(itemId)}`, { status: 'resolved', note: 'E2E resolved' }, 'A-resolve', PXT);
    const stA = state(K.seedKind, itemId);
    observe(M, 'A-resolve-state', stA.status === 'resolved' ? 'PASS' : 'WARN',
      `status=${stA.status} (resolve is best-effort; ${K.label} status machine may need intermediate steps)`, { role: PXT });
  } catch (e) {
    observe(M, 'A-flow', 'FAIL', `exception: ${(e as Error).message}`, { role: PXT });
  }
}

async function flowB(page: Page, K: KindCfg) {
  const M = K.module;
  attachObservers(page, M, CHAMP);
  let itemId = '';
  try {
    const s = seed(K.seedKind);
    itemId = s.itemId;
    observe(M, 'B-seed', 'INFO', `${K.label} ${itemId}`, { role: CHAMP });
    // 1. PX send via token-minting endpoint
    await login(page, PXT, M); await ensureAuth(page, PXT, M);
    await postForm(page, `${BASE_URL}${K.activate(itemId)}`, {}); // activate first
    await postObs(page, M, `${BASE_URL}${K.sendToken(itemId)}`, { department_id: s.deptId, contact_person_id: s.champStaffId, recipient_type: 'staff', note_en: 'E2E transfer' }, 'B-send-token', PXT);
    const tok = state(K.seedKind, itemId).response_token;
    if (!tok || tok === 'NONE') { observe(M, 'B-token', 'FAIL', 'no response_token minted', { role: CHAMP }); return; }
    observe(M, 'B-token', 'PASS', `token ${tok.slice(0, 8)}...`, { role: CHAMP });
    // 2. champion token response. GET first to (a) check whether the response
    //    form actually renders and (b) keep a csrftoken cookie for the POST.
    //    (The page is public/token-authenticated; we keep the session only so the
    //    POST has a csrf cookie - a truly anonymous visitor currently can't get
    //    one because the form page is broken - see B-token-form-render finding.)
    await page.goto(`${BASE_URL}${K.tokenRespond(itemId, tok)}`);
    await page.waitForLoadState('domcontentloaded');
    const tb = await bodyHasTraceback(page);
    if (tb) { observe(M, 'B-token-open', 'FAIL', `traceback: ${tb}`); }
    const hasForm = await page.locator('textarea[name="response_en"]').count().then((c) => c > 0);
    observe(M, 'B-token-form-render', hasForm ? 'PASS' : 'WARN',
      `${K.label} token-response form rendered: ${hasForm}${hasForm ? '' : ' (page returned no response_en textarea - form page broken; backend still accepts the POST)'}`,
      { role: 'anonymous' });
    // POST the response directly (backend accepts the token POST even if the form page is broken)
    const r = await postForm(page, `${BASE_URL}${K.tokenRespond(itemId, tok)}`, { response_en: `E2E ${K.label} token response (B)` });
    observe(M, 'B-token-submit', r.status() < 400 ? 'PASS' : 'FAIL', `token POST HTTP ${r.status()}`, { role: 'anonymous', http: r.status() });
    assertSt(M, K.seedKind, itemId, { department_response_en_set: 'True', response_token_used: 'True', dept_response_acceptance_status: 'pending' }, 'B-token-state', 'anonymous');
    // 3. PX accepts
    await login(page, PXT, M); await ensureAuth(page, PXT, M);
    await postObs(page, M, `${BASE_URL}${K.review(itemId)}`, { acceptance_status: 'acceptable' }, 'B-px-accept', PXT);
    assertSt(M, K.seedKind, itemId, { dept_response_acceptance_status: 'acceptable' }, 'B-accept-state', PXT);
  } catch (e) {
    observe(M, 'B-flow', 'FAIL', `exception: ${(e as Error).message}`, { role: CHAMP });
  }
}

async function flowC(page: Page, K: KindCfg) {
  const M = K.module;
  attachObservers(page, M, PXT);
  let itemId = '';
  try {
    const s = seed(K.seedKind);
    itemId = s.itemId;
    await login(page, PXT, M); await ensureAuth(page, PXT, M);
    await postForm(page, `${BASE_URL}${K.activate(itemId)}`, {}); // activate first
    await postForm(page, `${BASE_URL}${K.sendTo(itemId)}`, { recipient_type: 'department', department_id: s.deptId, contact_person_id: s.champStaffId, note: 'C' });
    await login(page, CHAMP, M); await ensureAuth(page, CHAMP, M);
    await postForm(page, `${BASE_URL}${K.deptResponse(itemId)}`, { response_en: 'C first response' });
    assertSt(M, K.seedKind, itemId, { department_response_en_set: 'True' }, 'C-response-state', CHAMP);
    // PX rejects (not_acceptable) -> response cleared
    await login(page, PXT, M); await ensureAuth(page, PXT, M);
    await postObs(page, M, `${BASE_URL}${K.review(itemId)}`, { acceptance_status: 'not_acceptable', acceptance_notes: 'E2E: insufficient' }, 'C-px-not-acceptable', PXT);
    const afterNA = state(K.seedKind, itemId);
    observe(M, 'C-na-reset', afterNA.department_response_en_set === 'False' ? 'PASS' : 'FAIL',
      `after not-acceptable: response_en_set=${afterNA.department_response_en_set} (want False)`, { role: PXT });
    // champion re-responds -> PX accepts -> resolve
    await login(page, CHAMP, M); await ensureAuth(page, CHAMP, M);
    await postObs(page, M, `${BASE_URL}${K.deptResponse(itemId)}`, { response_en: 'C revised response' }, 'C-re-response', CHAMP);
    await login(page, PXT, M); await ensureAuth(page, PXT, M);
    await postObs(page, M, `${BASE_URL}${K.review(itemId)}`, { acceptance_status: 'acceptable' }, 'C-accept', PXT);
    if (K.pxRespond) await postObs(page, M, `${BASE_URL}${K.pxRespond(itemId)}`, { response_en: 'C PX response' }, 'C-px-respond', PXT);
    await postForm(page, `${BASE_URL}${K.activate(itemId)}`, {});
    await postObs(page, M, `${BASE_URL}${K.changeStatus(itemId)}`, { status: 'resolved', note: 'C resolved' }, 'C-resolve', PXT);
    assertSt(M, K.seedKind, itemId, { dept_response_acceptance_status: 'acceptable' }, 'C-final-state', PXT);
    const stC = state(K.seedKind, itemId);
    observe(M, 'C-resolve-state', stC.status === 'resolved' ? 'PASS' : 'WARN', `status=${stC.status} (best-effort resolve)`, { role: PXT });
  } catch (e) {
    observe(M, 'C-flow', 'FAIL', `exception: ${(e as Error).message}`, { role: PXT });
  }
}

// ---------- test definitions (parametrized over kind) ----------
for (const K of KINDS) {
  test.describe(`${K.label} dept-response`, () => {
    test.describe.configure({ mode: 'serial' });
    test(`Flow A: happy path (send -> champion response -> PX accept -> resolve)`, async ({ page }) => flowA(page, K));
    test(`Flow B: token response (send mints token -> champion token response -> PX accept)`, async ({ page }) => flowB(page, K));
    test(`Flow C: reject loop (PX not-acceptable -> back to champion -> accept -> resolve)`, async ({ page }) => flowC(page, K));
  });
}

test.afterAll(async () => {
  const counts = OBS.reduce<Record<string, number>>((a, o) => ((a[o.status] = (a[o.status] || 0) + 1), a), {});
  console.log('\n=========== INQUIRY/OBSERVATION DEPT-RESPONSE SUMMARY ===========');
  console.log('Total observations:', OBS.length, JSON.stringify(counts));
  console.log('=================================================================\n');
});