#!/usr/bin/env node

import { mkdir, writeFile } from 'node:fs/promises';
import path from 'node:path';
import { fileURLToPath } from 'node:url';

import { chromium } from 'playwright';

import { authenticateFrontdoor, createAuthenticatedContext } from './live-frontdoor-auth.mjs';

const webRoot = path.resolve(path.dirname(fileURLToPath(import.meta.url)), '..');
const outputDir = path.join(webRoot, 'output', 'playwright');
const outputPath = path.join(outputDir, 'live-triage-artifacts-scope-compat.json');
const authStatePath = path.join(outputDir, 'live-triage-artifacts-scope-compat.state.json');
const authReportPath = path.join(outputDir, 'live-triage-artifacts-scope-compat.auth.json');
const routePath = '/triage/artifacts';

function scopedUrl(route = routePath) {
  return `https://stella-ops.local${route}`;
}

async function settle(page, timeoutMs = 1_500) {
  await page.waitForLoadState('domcontentloaded', { timeout: 20_000 }).catch(() => {});
  await page.waitForTimeout(timeoutMs);
}

async function waitForArtifactsSurface(page) {
  await Promise.race([
    page.locator('tbody tr').first().waitFor({ state: 'visible', timeout: 20_000 }).catch(() => {}),
    page.getByText('Unable to load artifacts', { exact: true }).waitFor({ state: 'visible', timeout: 20_000 }).catch(() => {}),
    page.getByText('No artifacts match the current lane and filters.', { exact: true }).waitFor({ state: 'visible', timeout: 20_000 }).catch(() => {}),
    page.waitForTimeout(20_000),
  ]);
}

async function waitForWorkspaceSurface(page) {
  await Promise.race([
    page.locator('[data-finding-card]').first().waitFor({ state: 'visible', timeout: 20_000 }).catch(() => {}),
    page.getByText('Unable to load findings', { exact: true }).waitFor({ state: 'visible', timeout: 20_000 }).catch(() => {}),
    page.getByText('No findings for this artifact.', { exact: true }).waitFor({ state: 'visible', timeout: 20_000 }).catch(() => {}),
    page.waitForTimeout(20_000),
  ]);
}

async function assert(condition, message, details = {}) {
  if (!condition) {
    throw new Error(`${message}${Object.keys(details).length ? ` ${JSON.stringify(details)}` : ''}`);
  }
}

async function run() {
  await mkdir(outputDir, { recursive: true });

  const authReport = await authenticateFrontdoor({
    statePath: authStatePath,
    reportPath: authReportPath,
    headless: true,
  });

  const browser = await chromium.launch({
    headless: true,
    args: ['--disable-dev-shm-usage'],
  });

  const context = await createAuthenticatedContext(browser, authReport, { statePath: authStatePath });
  const page = await context.newPage();
  const consoleErrors = [];
  const responseErrors = [];
  const requestFailures = [];

  page.on('console', (message) => {
    if (message.type() === 'error') {
      consoleErrors.push(message.text());
    }
  });

  page.on('response', (response) => {
    const url = response.url();
    if (/\.(?:css|js|map|png|jpg|jpeg|svg|woff2?)(?:$|\?)/i.test(url)) {
      return;
    }

    if (url.includes('/connect/authorize')) {
      return;
    }

    if (response.status() >= 400) {
      responseErrors.push({
        status: response.status(),
        method: response.request().method(),
        url,
      });
    }
  });

  page.on('requestfailed', (request) => {
    const url = request.url();
    const failure = request.failure()?.errorText ?? 'unknown';
    if (failure === 'net::ERR_ABORTED') {
      return;
    }

    if (/\.(?:css|js|map|png|jpg|jpeg|svg|woff2?)(?:$|\?)/i.test(url)) {
      return;
    }

    requestFailures.push({
      method: request.method(),
      url,
      error: failure,
    });
  });

  const checks = [];

  try {
    await page.goto(scopedUrl(), { waitUntil: 'domcontentloaded', timeout: 30_000 });
    await waitForArtifactsSurface(page);
    await settle(page);

    const heading = (await page.locator('h1').first().textContent())?.trim() ?? '';
    await assert(heading === 'Artifact workspace', 'Unexpected artifact workspace heading.', { heading });
    checks.push({ name: 'artifacts-heading', ok: true, heading });

    const loadErrorVisible = await page.getByText('Unable to load artifacts', { exact: true }).isVisible().catch(() => false);
    await assert(!loadErrorVisible, 'Artifact workspace still rendered the load error state.');
    checks.push({ name: 'artifacts-no-error-state', ok: true });

    const initialRowCount = await page.locator('tbody tr').count();
    await assert(initialRowCount > 0, 'Artifact workspace did not render any rows.', { initialRowCount });
    checks.push({ name: 'artifacts-row-count', ok: true, initialRowCount });

    await page.getByRole('button', { name: 'Needs Review' }).click({ timeout: 10_000 });
    await settle(page);
    await page.getByPlaceholder('Search artifacts or environments...').fill('asset-web-prod');
    await settle(page);

    const filteredRowCount = await page.locator('tbody tr').count();
    await assert(filteredRowCount === 1, 'Needs Review lane search did not isolate asset-web-prod.', { filteredRowCount });
    checks.push({ name: 'artifacts-lane-and-search', ok: true, filteredRowCount });

    await page.getByRole('button', { name: 'Open workspace' }).first().click({ timeout: 10_000 });
    await waitForWorkspaceSurface(page);
    await settle(page);

    const detailHeading = (await page.locator('h1').first().textContent())?.trim() ?? '';
    const detailSubtitle = ((await page.locator('.subtitle').first().textContent()) || '').trim().replace(/\s+/g, ' ');
    await assert(detailHeading === 'Artifact triage', 'Unexpected workspace heading after opening an artifact.', {
      detailHeading,
      url: page.url(),
    });
    await assert(detailSubtitle.includes('asset-web-prod'), 'Workspace subtitle did not identify the selected artifact.', {
      detailSubtitle,
    });
    checks.push({ name: 'workspace-route-and-heading', ok: true, detailHeading, detailSubtitle, url: page.url() });

    const detailErrorVisible = await page.getByText('Unable to load findings', { exact: true }).isVisible().catch(() => false);
    await assert(!detailErrorVisible, 'Artifact workspace still rendered the findings error state.');
    const findingCardCount = await page.locator('[data-finding-card]').count();
    await assert(findingCardCount > 0, 'Artifact workspace did not render any finding cards.', { findingCardCount });
    checks.push({ name: 'workspace-finding-cards', ok: true, findingCardCount });

    await page.getByRole('tab', { name: 'Attestations' }).click({ timeout: 10_000 });
    await settle(page);
    await assert(page.url().includes('tab=attestations'), 'Workspace tab action did not update the route state.', {
      url: page.url(),
    });
    checks.push({ name: 'workspace-tab-action', ok: true, url: page.url() });

    await page.getByRole('link', { name: /Back to artifacts/i }).click({ timeout: 10_000 });
    await waitForArtifactsSurface(page);
    await settle(page);
    await assert(page.url().includes('/triage/artifacts'), 'Workspace back navigation did not return to the artifacts route.', {
      url: page.url(),
    });
    checks.push({ name: 'workspace-back-navigation', ok: true, url: page.url() });

    const runtimeIssues = {
      consoleErrors,
      responseErrors,
      requestFailures,
    };
    const summary = {
      checkedAtUtc: new Date().toISOString(),
      routePath,
      checks,
      runtimeIssues,
      failedCheckCount: checks.filter((check) => !check.ok).length,
      runtimeIssueCount:
        runtimeIssues.consoleErrors.length
        + runtimeIssues.responseErrors.length
        + runtimeIssues.requestFailures.length,
    };

    await writeFile(outputPath, `${JSON.stringify(summary, null, 2)}\n`, 'utf8');

    if (summary.failedCheckCount > 0 || summary.runtimeIssueCount > 0) {
      process.exitCode = 1;
    }
  } catch (error) {
    const summary = {
      checkedAtUtc: new Date().toISOString(),
      routePath,
      checks,
      error: error instanceof Error ? error.message : String(error),
      consoleErrors,
      responseErrors,
      requestFailures,
    };
    await writeFile(outputPath, `${JSON.stringify(summary, null, 2)}\n`, 'utf8');
    process.exitCode = 1;
  } finally {
    await context.close().catch(() => {});
    await browser.close().catch(() => {});
  }
}

await run();