#!/usr/bin/env node

const { PrismaClient } = require('@prisma/client');
const crypto = require('crypto');

const prisma = new PrismaClient();

/**
 * Create a new event with a random slug
 * Usage: node scripts/create-event.js <name> <location> <startDate> <endDate>
 * Example: node scripts/create-event.js "Santa Swing" "Kraków, Poland" "2025-12-12" "2025-12-15"
 */
async function createEvent() {
  try {
    // Parse command-line arguments
    const args = process.argv.slice(2);

    if (args.length < 4) {
      console.error('❌ Usage: node scripts/create-event.js <name> <location> <startDate> <endDate>');
      console.error('   Example: node scripts/create-event.js "Santa Swing" "Kraków, Poland" "2025-12-12" "2025-12-15"');
      process.exit(1);
    }

    const [name, location, startDate, endDate] = args;

    // Validate dates
    const start = new Date(startDate);
    const end = new Date(endDate);

    if (isNaN(start.getTime()) || isNaN(end.getTime())) {
      console.error('❌ Invalid date format. Use YYYY-MM-DD format.');
      process.exit(1);
    }

    if (end < start) {
      console.error('❌ End date must be after start date.');
      process.exit(1);
    }

    // Generate random slug (8 characters alphanumeric)
    const slug = crypto.randomBytes(4).toString('hex');

    // Create event
    const event = await prisma.event.create({
      data: {
        name,
        slug,
        location,
        startDate: start,
        endDate: end,
      },
    });

    console.log('✅ Event created successfully:');
    console.log(`   ID: ${event.id}`);
    console.log(`   Name: ${event.name}`);
    console.log(`   Slug: ${event.slug}`);
    console.log(`   Location: ${event.location}`);
    console.log(`   Dates: ${event.startDate.toISOString().split('T')[0]} → ${event.endDate.toISOString().split('T')[0]}`);
    console.log(`\n   URL: ${process.env.FRONTEND_URL || 'http://localhost'}/events/${event.slug}`);

  } catch (error) {
    console.error('❌ Error creating event:', error.message);
    process.exit(1);
  } finally {
    await prisma.$disconnect();
  }
}

createEvent();