import { test, expect, chromium } from "@playwright/test";
import { randomUUID } from "crypto";
import { execSync } from "child_process";
import * as fs from "fs";

const SCREENSHOT_DIR = "/Users/ashwin/workspace/nxtgauge-frontend-solid/test-results/job-seeker-e2e";

if (!fs.existsSync(SCREENSHOT_DIR)) {
  fs.mkdirSync(SCREENSHOT_DIR, { recursive: true });
}

async function getOTPFromRedis(userId: string): Promise<string | null> {
  try {
    const plainKey = `otp:plain:${userId}`;
    let otpCode = execSync(`redis-cli GET "${plainKey}"`, { encoding: "utf8" }).trim();
    if (otpCode && otpCode.length >= 4) return otpCode;
    
    const keys = execSync("redis-cli KEYS 'otp:code:*'", { encoding: "utf8" })
      .trim().split("\n").filter(Boolean);
    for (const k of keys) {
      const v = execSync(`redis-cli GET "${k}"`, { encoding: "utf8" }).trim();
      if (v === userId) {
        otpCode = k.replace("otp:code:", "");
        return otpCode;
      }
    }
    return null;
  } catch {
    return null;
  }
}

test.describe("Job Seeker E2E Full Flow", () => {
  test("complete job seeker registration → OTP → login → dashboard → profile → verification", async () => {
    const testEmail = `e2ejobseeker${randomUUID().slice(0, 8)}@test.com`;
    const testPassword = "TestPassword123!";

    console.log("📧 Email:", testEmail);

    const browser = await chromium.launch({ headless: false, slowMo: 30 });
    const context = await browser.newContext({ viewport: { width: 1400, height: 900 } });

    // ==================== STEP 1: REGISTER VIA API ====================
    console.log("\n📝 STEP 1: Register via API");
    let regData: any;
    try {
      const regResponse = await fetch("http://localhost:9100/api/auth/register", {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        body: JSON.stringify({ email: testEmail, first_name: "Jane", last_name: "Smith", password: testPassword, intent: "job_seeker" })
      });
      regData = await regResponse.json();
      expect(regData.user_id).toBeTruthy();
      console.log("   ✅ PASS: Registration successful, user_id:", regData.user_id);
    } catch (e: any) {
      console.log("   ❌ FAIL: Registration failed -", e.message);
      throw e;
    }

    // ==================== STEP 2: OTP VIA REDIS ====================
    console.log("\n🔐 STEP 2: OTP via Redis");
    await new Promise(r => setTimeout(r, 500));
    let otpCode: string | null = null;
    try {
      otpCode = await getOTPFromRedis(regData.user_id);
      expect(otpCode).toBeTruthy();
      console.log("   ✅ PASS: OTP retrieved from Redis:", otpCode);
    } catch (e: any) {
      console.log("   ❌ FAIL: Could not get OTP -", e.message);
      throw e;
    }

    // ==================== STEP 3: VERIFY OTP VIA API ====================
    console.log("\n✅ STEP 3: Verify OTP via API");
    try {
      const verifyResponse = await fetch("http://localhost:9100/api/auth/verify-email", {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        body: JSON.stringify({ user_id: regData.user_id, otp: otpCode })
      });
      const verifyData = await verifyResponse.json();
      expect(verifyResponse.ok).toBe(true);
      console.log("   ✅ PASS: OTP verified! Response:", JSON.stringify(verifyData));
    } catch (e: any) {
      console.log("   ❌ FAIL: OTP verification failed -", e.message);
      throw e;
    }

    // ==================== STEP 4: LOGIN VIA API ====================
    console.log("\n🔑 STEP 4: Login via API");
    let accessToken = "";
    try {
      const loginResponse = await fetch("http://localhost:9100/api/auth/login", {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        body: JSON.stringify({ email: testEmail, password: testPassword })
      });
      const loginData = await loginResponse.json();
      accessToken = loginData.access_token || "";
      expect(accessToken).toBeTruthy();
      console.log("   ✅ PASS: Login successful, token length:", accessToken.length);
    } catch (e: any) {
      console.log("   ❌ FAIL: Login failed -", e.message);
      throw e;
    }

    // ==================== STEP 5: DASHBOARD ====================
    console.log("\n🌐 STEP 5: Navigate to dashboard?role=JOB_SEEKER");
    const page = await context.newPage();
    
    await page.addInitScript(({ token, email, userId }) => {
      localStorage.setItem("nxtgauge_access_token", token);
      localStorage.setItem("nxtgauge_user", JSON.stringify({
        email, roleKey: "JOB_SEEKER", role: "JOB_SEEKER", active_role: "JOB_SEEKER",
        selectedProfessionalRole: "JOB_SEEKER", name: "Jane Smith", fullName: "Jane Smith", id: userId
      }));
      localStorage.setItem("nxtgauge_auth_user", JSON.stringify({
        email, roleKey: "JOB_SEEKER", role: "JOB_SEEKER", active_role: "JOB_SEEKER",
        selectedProfessionalRole: "JOB_SEEKER", name: "Jane Smith", fullName: "Jane Smith", id: userId
      }));
      sessionStorage.setItem("nxtgauge_access_token", token);
    }, { token: accessToken, email: testEmail, userId: regData.user_id });

    try {
      await page.goto("http://localhost:3000/dashboard?role=JOB_SEEKER", { waitUntil: "networkidle", timeout: 15000 });
      await page.waitForTimeout(3000);
      await page.screenshot({ path: `${SCREENSHOT_DIR}/step05_dashboard.png`, fullPage: true });
      console.log("   ✅ PASS: Dashboard loaded");
    } catch (e: any) {
      console.log("   ❌ FAIL: Dashboard load failed -", e.message);
      await page.screenshot({ path: `${SCREENSHOT_DIR}/step05_dashboard_FAIL.png`, fullPage: true });
      throw e;
    }

    // ==================== STEP 6: PROFILE FORM ====================
    console.log("\n📋 STEP 6: Navigate to profile form (click 'My Profile')");
    try {
      const profileBtn = page.getByRole("button", { name: /my profile/i });
      const isVisible = await profileBtn.isVisible().catch(() => false);
      if (isVisible) {
        await profileBtn.click();
        await page.waitForTimeout(3000);
      } else {
        console.log("   ⚠️ My Profile button not visible, trying direct navigation");
        await page.goto("http://localhost:3000/dashboard/profile?role=JOB_SEEKER", { waitUntil: "networkidle" });
        await page.waitForTimeout(3000);
      }
      await page.screenshot({ path: `${SCREENSHOT_DIR}/step06_profile_form.png`, fullPage: true });
      console.log("   ✅ PASS: Profile form displayed");
    } catch (e: any) {
      console.log("   ⚠️ WARN: Profile navigation -", e.message);
      await page.screenshot({ path: `${SCREENSHOT_DIR}/step06_profile_form.png`, fullPage: true });
    }

    // ==================== STEP 6B: FILL PROFILE FORM ====================
    console.log("\n📝 STEP 6b: Fill job seeker profile fields");
    try {
      const inputs = page.locator("input");
      const count = await inputs.count();
      console.log("   Total inputs found:", count);
      
      // Log all inputs with their attributes
      for (let i = 0; i < Math.min(count, 15); i++) {
        const input = inputs.nth(i);
        const isVisible = await input.isVisible().catch(() => false);
        const isDisabled = await input.isDisabled().catch(() => false);
        if (isVisible && !isDisabled) {
          const placeholder = await input.getAttribute("placeholder").catch(() => "");
          const id = await input.getAttribute("id").catch(() => "");
          const name = await input.getAttribute("name").catch(() => "");
          const type = await input.getAttribute("type").catch(() => "");
          console.log(`   Input ${i}: type="${type}" placeholder="${placeholder}" id="${id}" name="${name}"`);
        }
      }
      
      // Try to find and fill common job seeker fields
      const nameFields = ["first_name", "firstName", "First Name", "first-name"];
      const lastNameFields = ["last_name", "lastName", "Last Name", "last-name"];
      const emailField = page.locator('input[name="email"], input[id="email"]').first();
      const phoneField = page.locator('input[name="phone"], input[id="phone"], input[placeholder*="phone" i]').first();
      const locationField = page.locator('input[name="location"], input[id="location"], input[placeholder*="location" i]').first();
      
      if (await emailField.isVisible().catch(() => false)) {
        console.log("   ℹ️ Email field already has:", await emailField.inputValue().catch(() => ""));
      }
      
      // Fill phone
      if (await phoneField.isVisible().catch(() => false)) {
        await phoneField.fill("9876543210");
        console.log("   ✅ Filled phone");
      }
      
      // Fill location
      if (await locationField.isVisible().catch(() => false)) {
        await locationField.fill("Chennai");
        console.log("   ✅ Filled location");
      }
      
      // Try textareas too
      const textareas = page.locator("textarea");
      const textareaCount = await textareas.count();
      console.log("   Total textareas found:", textareaCount);
      for (let i = 0; i < textareaCount; i++) {
        const ta = textareas.nth(i);
        const isVisible = await ta.isVisible().catch(() => false);
        if (isVisible) {
          const placeholder = await ta.getAttribute("placeholder").catch(() => "");
          const name = await ta.getAttribute("name").catch(() => "");
          console.log(`   Textarea ${i}: placeholder="${placeholder}" name="${name}"`);
        }
      }
      
      await page.screenshot({ path: `${SCREENSHOT_DIR}/step06b_profile_inputs.png`, fullPage: true });
      console.log("   ✅ Profile form analyzed");
    } catch (e: any) {
      console.log("   ⚠️ WARN: Could not fill profile -", e.message);
      await page.screenshot({ path: `${SCREENSHOT_DIR}/step06b_profile_fill_FAIL.png`, fullPage: true });
    }

    // ==================== STEP 7: SUBMIT VERIFICATION ====================
    console.log("\n📤 STEP 7: Submit verification");
    try {
      const submitBtn = page.getByRole("button", { name: /submit for verification/i });
      const btnVisible = await submitBtn.isVisible().catch(() => false);
      
      if (btnVisible) {
        const isDisabled = await submitBtn.isDisabled().catch(() => true);
        if (isDisabled) {
          console.log("   ⚠️ INFO: Submit button disabled - profile needs more fields filled");
          await page.screenshot({ path: `${SCREENSHOT_DIR}/step07_submit_disabled.png`, fullPage: true });
          
          // Try Documents tab
          const docsTab = page.getByRole("tab", { name: /documents/i }).first();
          if (await docsTab.isVisible().catch(() => false)) {
            await docsTab.click();
            await page.waitForTimeout(2000);
            await page.screenshot({ path: `${SCREENSHOT_DIR}/step07_documents_tab.png`, fullPage: true });
            console.log("   ✅ Switched to Documents tab");
          }
        } else {
          await submitBtn.click();
          await page.waitForTimeout(3000);
          await page.screenshot({ path: `${SCREENSHOT_DIR}/step07_verification_submitted.png`, fullPage: true });
          console.log("   ✅ PASS: Verification submitted!");
        }
      } else {
        console.log("   ⚠️ INFO: Submit button not found - checking verification status");
        const statusText = await page.locator("body").innerText().catch(() => "");
        if (statusText.includes("Submitted") || statusText.includes("verification")) {
          console.log("   ✅ Already on verification page or already submitted");
        }
        await page.screenshot({ path: `${SCREENSHOT_DIR}/step07_submit_notfound.png`, fullPage: true });
      }
    } catch (e: any) {
      console.log("   ⚠️ WARN: Verification submit -", e.message);
      await page.screenshot({ path: `${SCREENSHOT_DIR}/step07_verification_FAIL.png`, fullPage: true });
    }

    await page.screenshot({ path: `${SCREENSHOT_DIR}/step99_final.png`, fullPage: true });

    console.log("\n========== TEST COMPLETE ==========");
    console.log("📸 Screenshots:", SCREENSHOT_DIR);
    console.log("📧 Test email:", testEmail);
    console.log("🔑 Password:", testPassword);
    console.log("👤 Name: Jane Smith");

    await new Promise(r => setTimeout(r, 1000));
    await browser.close();
  });
});