require('dotenv').config();
const mongoose = require('mongoose');
const User = require('./models/User');

const testLogin = async () => {
  try {
    // Connect to MongoDB
    console.log('Connecting to MongoDB...');
    console.log('MONGO_URI:', process.env.MONGO_URI);
    
    await mongoose.connect(process.env.MONGO_URI, {
      useNewUrlParser: true,
      useUnifiedTopology: true
    });
    console.log('MongoDB connected');
    
    // Test credentials
    const email = 'admin@ininventer.com';
    const password = 'admin123';
    
    console.log(`Testing login with email: ${email} and password: ${password}`);
    
    // Find the user
    const user = await User.findOne({ email }).select('+password +password_plain');
    
    if (!user) {
      console.log('User not found!');
      return;
    }
    
    console.log('User found:');
    console.log('- ID:', user._id);
    console.log('- Email:', user.email);
    console.log('- Role:', user.role);
    console.log('- Password (hashed):', user.password);
    console.log('- Password (plain):', user.password_plain);
    
    // Test password comparison
    const isMatch = await user.comparePassword(password);
    console.log(`Password comparison result: ${isMatch ? 'SUCCESS' : 'FAILED'}`);
    
    // Test direct bcrypt comparison
    const bcrypt = require('bcryptjs');
    const bcryptMatch = await bcrypt.compare(password, user.password);
    console.log(`Direct bcrypt comparison: ${bcryptMatch ? 'SUCCESS' : 'FAILED'}`);
    
    // Create a test login function similar to the actual login controller
    const testLoginFunction = async (email, password) => {
      const user = await User.findOne({ email }).select('+password');
      
      if (!user) {
        return { success: false, message: 'User not found' };
      }
      
      const isMatch = await user.comparePassword(password);
      
      if (!isMatch) {
        return { success: false, message: 'Invalid credentials' };
      }
      
      return { 
        success: true, 
        user: {
          _id: user._id,
          email: user.email,
          role: user.role
        }
      };
    };
    
    // Test the login function
    const loginResult = await testLoginFunction(email, password);
    console.log('Login function test result:', loginResult);
    
  } catch (error) {
    console.error('Error in test login:', error);
  } finally {
    // Disconnect from MongoDB
    await mongoose.disconnect();
    console.log('MongoDB disconnected');
  }
};

// Run the test
testLogin();