// Full end-to-end live verification of the user's specific bugs.
import { chromium } from "playwright";
import { writeFileSync, mkdirSync } from "node:fs";

const URL = "https://canvas.flow-master.ai/";
const OUT = "/tmp/canvas-evidence/oracle-e2e";
mkdirSync(OUT, { recursive: true });

const results = [];
function pass(name, detail = "") { results.push({ name, ok: true, detail }); console.log(`✅ PASS  ${name}${detail ? "  — " + detail : ""}`); }
function fail(name, detail = "") { results.push({ name, ok: false, detail }); console.log(`❌ FAIL  ${name}${detail ? "  — " + detail : ""}`); }

const calls = [];
const consoleErrs = [];

const b = await chromium.launch({ headless: true });
const ctx = await b.newContext({ viewport: { width: 1440, height: 900 } });
const p = await ctx.newPage();
p.on("response", (r) => {
  const u = r.url();
  if (u.includes("/api/")) calls.push({ status: r.status(), method: r.request().method(), url: u.replace("https://canvas.flow-master.ai", "") });
});
p.on("console", (m) => { if (m.type() === "error") consoleErrs.push(m.text().slice(0, 200)); });
await ctx.addInitScript(() => localStorage.setItem("fm.canvas.tour.seen", String(Date.now())));

// 1. Login → mission
await p.goto(URL, { waitUntil: "domcontentloaded" });
await p.waitForTimeout(2500);
await p.locator(".persona-chip").filter({ hasText: /Mariana/ }).click();
await p.waitForSelector(".topbar", { timeout: 30000 });
await p.waitForTimeout(2000);
const shell = await p.evaluate(() => document.querySelector("[class*='shell-']")?.className);
if (shell?.includes("mission")) pass("login_lands_on_mission", shell);
else fail("login_lands_on_mission", shell);
await p.screenshot({ path: `${OUT}/01-mission.png` });

// 2. Topbar count
const tabCount = await p.locator(".tab").count();
const tabs = await p.locator(".tab").allTextContents();
if (tabCount === 6) pass("topbar_has_6_tabs", tabs.map(t => t.trim()).join(", "));
else fail("topbar_has_6_tabs", `count=${tabCount}, tabs=${tabs.join(",")}`);

// 3. User menu opens with 5 items
await p.locator(".user-avatar").click();
await p.waitForTimeout(700);
const menuItems = await p.locator(".user-menu-item").allTextContents();
if (menuItems.length >= 4) pass("user_menu_has_items", menuItems.map(m => m.trim().slice(0, 30)).join(" | "));
else fail("user_menu_has_items", JSON.stringify(menuItems));
await p.screenshot({ path: `${OUT}/02-user-menu.png` });
await p.keyboard.press("Escape");
await p.waitForTimeout(500);

// 4. Open Studio → fill → start drafting → confirm structure
await p.locator(".tab").filter({ hasText: /Studio/i }).first().click();
await p.waitForTimeout(2500);
// Clear any stale draft from localStorage
await p.evaluate(() => localStorage.removeItem("fm.mc.wizard.draft"));
await p.reload({ waitUntil: "domcontentloaded" });
await p.waitForTimeout(2500);
await p.locator(".tab").filter({ hasText: /Studio/i }).first().click();
await p.waitForSelector("textarea", { timeout: 10000 }).catch(() => {});
await p.waitForTimeout(1500);
const ta = p.locator("textarea").first();
if (await ta.count()) {
  await ta.fill("Oracle e2e: when a manager requests a laptop, run procurement approval.");
  const draftBtn = p.locator("button.btn-primary").filter({ hasText: /draft/i }).first();
  if (await draftBtn.count()) {
    await draftBtn.click();
    await p.waitForTimeout(8000);

    const studioCallsBefore = calls.length;
    const confirmBtn = p.locator("button.btn-primary").filter({ hasText: /Confirm structure/i }).first();
    if (await confirmBtn.count()) {
      await confirmBtn.click();
      await p.waitForTimeout(12000);
      const studioFails = calls.slice(studioCallsBefore).filter(c => c.url.includes("apply-batch") && c.status >= 400);
      const studioOks = calls.slice(studioCallsBefore).filter(c => c.url.includes("apply-batch") && c.status >= 200 && c.status < 300);
      if (studioFails.length === 0 && studioOks.length > 0) pass("studio_confirm_structure_no_502", `${studioOks.length} OK applies`);
      else fail("studio_confirm_structure_no_502", `${studioFails.length} fails, ${studioOks.length} OK`);
      await p.screenshot({ path: `${OUT}/03-studio-after-confirm.png` });
    } else fail("studio_confirm_structure_button_visible");
  } else fail("studio_start_drafting_button");
} else fail("studio_intake_visible");

// 5. Assistant list processes
await p.locator(".tab").filter({ hasText: /Assistant/i }).first().click();
await p.waitForTimeout(2500);
const agentInput = p.locator(".agent-input, input[placeholder*='Ask']").first();
await agentInput.fill("list processes");
await agentInput.press("Enter");
await p.waitForTimeout(6000);
const replies = await p.locator(".agent-msg-text, .agent-msg-body").allTextContents();
const lastReply = replies.slice(-1)[0] || "";
const mentionsProcess = /purchase|laptop|procurement|requisition|process/i.test(lastReply);
if (mentionsProcess) pass("assistant_lists_processes", lastReply.slice(0, 100));
else fail("assistant_lists_processes", lastReply.slice(0, 150));
await p.screenshot({ path: `${OUT}/04-assistant.png` });

// 6. Chat opens
await p.locator(".tab").filter({ hasText: /Chat/i }).first().click();
await p.waitForTimeout(4000);
const chatErr = await p.locator(".chat-err").count();
const chatEmpty = await p.locator(".chat-empty").count();
const chatShell = await p.locator(".chat-shell, .chat-scene, .scene").first().innerText().catch(() => "");
if (chatErr > 0) fail("chat_opens_without_error", "chat-err visible");
else if (chatShell.includes("Conversations") || chatShell.includes("Talk to your team") || chatShell.includes("No conversations")) pass("chat_opens_without_error", "chat surface visible");
else fail("chat_opens_without_error", chatShell.slice(0, 200));
await p.screenshot({ path: `${OUT}/05-chat.png` });

// 7. No snapshot mode anywhere
const hasSnapshot = await p.evaluate(() => document.body.innerText.toLowerCase().includes("snapshot"));
if (!hasSnapshot) pass("no_snapshot_text_anywhere");
else fail("no_snapshot_text_anywhere", "found 'snapshot' in body");

// 8. LLM gateway: ask the assistant something non-tool
await p.locator(".tab").filter({ hasText: /Assistant/i }).first().click();
await p.waitForTimeout(1500);
const llmInput = p.locator(".agent-input, input[placeholder*='Ask']").first();
await llmInput.fill("What is the difference between a flow and a view in EA2?");
await llmInput.press("Enter");
await p.waitForTimeout(8000);
const llmReplies = await p.locator(".agent-msg-text, .agent-msg-body").allTextContents();
const llmLast = llmReplies.slice(-1)[0] || "";
const llmCallsList = calls.filter(c => c.url.includes("/api/v1/llm/generate"));
if (llmCallsList.length > 0) {
  const status = llmCallsList.slice(-1)[0].status;
  if (status === 200) pass("llm_gateway_responds", `200 with ${llmLast.length} char reply`);
  else if (status === 503 || status === 500) {
    if (llmLast.toLowerCase().includes("unavailable") || llmLast.toLowerCase().includes("not configured")) pass("llm_gateway_shows_clear_error", llmLast.slice(0, 100));
    else fail("llm_gateway_shows_clear_error", `status=${status} reply=${llmLast.slice(0, 100)}`);
  } else fail("llm_gateway_responds", `unexpected status ${status}`);
} else fail("llm_gateway_responds", "no calls to /api/v1/llm/generate");
await p.screenshot({ path: `${OUT}/06-llm-reply.png` });

// 9. Network health summary
const byStatus = {};
for (const c of calls) byStatus[c.status] = (byStatus[c.status] || 0) + 1;
const fivexx = calls.filter(c => c.status >= 500).length;
const fast502 = calls.filter(c => c.status === 502).length;
if (fast502 === 0) pass("no_502_anywhere", `5xx total=${fivexx}`);
else fail("no_502_anywhere", `${fast502} 502s seen`);

await b.close();

// Write
writeFileSync(`${OUT}/results.json`, JSON.stringify(results, null, 2));
writeFileSync(`${OUT}/network.json`, JSON.stringify(calls, null, 2));
writeFileSync(`${OUT}/console-errors.json`, JSON.stringify(consoleErrs, null, 2));

const passed = results.filter(r => r.ok).length;
console.log(`\n=== ${passed}/${results.length} checks passed ===`);
console.log(`api calls: ${calls.length}  by status: ${JSON.stringify(byStatus)}`);
process.exit(passed === results.length ? 0 : 1);