#!/usr/bin/env node

/**
 * End-to-End Voice Command Test
 * Tests the full voice flow: classify + create activity in database
 */

const API_URL = process.env.API_URL || 'http://localhost:3020';

// ANSI color codes
const colors = {
  reset: '\x1b[0m',
  red: '\x1b[31m',
  green: '\x1b[32m',
  yellow: '\x1b[33m',
  blue: '\x1b[34m',
  cyan: '\x1b[36m',
};

// Test credentials
const TEST_USER = {
  email: 'andrei@cloudz.ro',
  password: 'Test1234!',
};

// Test commands
const commands = [
  'Change wet diaper',
  'Baby ate 150ml formula',
  'Baby slept for 1 hour',
  'Alice ate 3 pcs of broccoli at 11:00 AM',
];

let accessToken = null;
let childId = null;

async function login() {
  console.log(`${colors.blue}Logging in...${colors.reset}`);
  const response = await fetch(`${API_URL}/api/v1/auth/login`, {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify(TEST_USER),
  });

  const data = await response.json();
  if (!response.ok || !data.success) {
    throw new Error(`Login failed: ${data.message || 'Unknown error'}`);
  }

  accessToken = data.data.accessToken;
  console.log(`${colors.green}✓ Logged in successfully${colors.reset}\n`);
}

async function getChild() {
  console.log(`${colors.blue}Fetching children...${colors.reset}`);
  const response = await fetch(`${API_URL}/api/v1/children`, {
    headers: { 'Authorization': `Bearer ${accessToken}` },
  });

  const data = await response.json();
  if (!response.ok || !data.success || data.data.length === 0) {
    throw new Error('No children found');
  }

  childId = data.data[0].id;
  console.log(`${colors.green}✓ Found child: ${data.data[0].name} (${childId})${colors.reset}\n`);
}

async function getActivitiesCount(type = null) {
  let url = `${API_URL}/api/v1/activities?childId=${childId}&limit=1000`;
  if (type) url += `&type=${type}`;

  const response = await fetch(url, {
    headers: { 'Authorization': `Bearer ${accessToken}` },
  });

  const data = await response.json();
  return data.success ? data.data.length : 0;
}

async function classifyAndCreateActivity(text) {
  console.log(`${colors.yellow}Processing: "${text}"${colors.reset}`);

  // Step 1: Classify the command
  const classifyResponse = await fetch(`${API_URL}/api/v1/voice/transcribe`, {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
      'Authorization': `Bearer ${accessToken}`,
    },
    body: JSON.stringify({
      text,
      language: 'en',
      childName: 'Alice',
    }),
  });

  const classifyData = await classifyResponse.json();

  if (!classifyResponse.ok || !classifyData.success) {
    console.log(`${colors.red}✗ Classification failed${colors.reset}`);
    console.log(JSON.stringify(classifyData, null, 2));
    return false;
  }

  const { type, details, timestamp, confidence } = classifyData.classification;

  console.log(`  Type: ${type} (confidence: ${confidence})`);
  console.log(`  Details: ${JSON.stringify(details)}`);

  if (type === 'unknown' || confidence < 0.3) {
    console.log(`${colors.red}✗ Low confidence or unknown type${colors.reset}\n`);
    return false;
  }

  // Step 2: Create the activity
  const activityData = {
    type,
    timestamp: timestamp || new Date().toISOString(),
    data: details || {},
    notes: details?.notes || undefined,
  };

  const createResponse = await fetch(`${API_URL}/api/v1/activities`, {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
      'Authorization': `Bearer ${accessToken}`,
    },
    body: JSON.stringify({
      childId,
      ...activityData,
    }),
  });

  const createData = await createResponse.json();

  if (!createResponse.ok || !createData.success) {
    console.log(`${colors.red}✗ Failed to create activity${colors.reset}`);
    console.log(JSON.stringify(createData, null, 2));
    return false;
  }

  console.log(`${colors.green}✓ Activity created: ${createData.data.id}${colors.reset}\n`);
  return true;
}

async function runTests() {
  console.log(`${colors.blue}========================================${colors.reset}`);
  console.log(`${colors.blue}Voice E2E Test Suite${colors.reset}`);
  console.log(`${colors.blue}========================================${colors.reset}\n`);

  try {
    // Login and get child
    await login();
    await getChild();

    // Get initial counts
    const initialCounts = {
      total: await getActivitiesCount(),
      diaper: await getActivitiesCount('diaper'),
      feeding: await getActivitiesCount('feeding'),
      sleep: await getActivitiesCount('sleep'),
    };

    console.log(`${colors.cyan}Initial activity counts:${colors.reset}`);
    console.log(`  Total: ${initialCounts.total}`);
    console.log(`  Diapers: ${initialCounts.diaper}`);
    console.log(`  Feedings: ${initialCounts.feeding}`);
    console.log(`  Sleep: ${initialCounts.sleep}\n`);

    // Run tests
    let passed = 0;
    let failed = 0;

    for (const command of commands) {
      const result = await classifyAndCreateActivity(command);
      if (result) {
        passed++;
      } else {
        failed++;
      }
    }

    // Get final counts
    const finalCounts = {
      total: await getActivitiesCount(),
      diaper: await getActivitiesCount('diaper'),
      feeding: await getActivitiesCount('feeding'),
      sleep: await getActivitiesCount('sleep'),
    };

    console.log(`${colors.cyan}Final activity counts:${colors.reset}`);
    console.log(`  Total: ${finalCounts.total} (+${finalCounts.total - initialCounts.total})`);
    console.log(`  Diapers: ${finalCounts.diaper} (+${finalCounts.diaper - initialCounts.diaper})`);
    console.log(`  Feedings: ${finalCounts.feeding} (+${finalCounts.feeding - initialCounts.feeding})`);
    console.log(`  Sleep: ${finalCounts.sleep} (+${finalCounts.sleep - initialCounts.sleep})\n`);

    // Summary
    console.log(`${colors.blue}========================================${colors.reset}`);
    console.log(`${colors.blue}Test Summary${colors.reset}`);
    console.log(`${colors.blue}========================================${colors.reset}`);
    console.log(`Total:  ${commands.length}`);
    console.log(`${colors.green}Passed: ${passed}${colors.reset}`);
    console.log(`${colors.red}Failed: ${failed}${colors.reset}`);
    console.log('');

    if (failed === 0) {
      console.log(`${colors.green}All tests passed! Activities saved to database. 🎉${colors.reset}`);
      process.exit(0);
    } else {
      console.log(`${colors.red}Some tests failed. Check the output above.${colors.reset}`);
      process.exit(1);
    }
  } catch (error) {
    console.error(`${colors.red}Fatal error: ${error.message}${colors.reset}`);
    console.error(error.stack);
    process.exit(1);
  }
}

// Run tests
runTests();