import { BaseCommand } from '@adonisjs/core/ace'
import type { CommandOptions } from '@adonisjs/core/types/ace'
import logger from '@adonisjs/core/services/logger'

/**
 * Test network connectivity to icetrade.by
 *
 * Usage:
 *   node ace test:connection
 */
export default class TestConnection extends BaseCommand {
  static commandName = 'test:connection'
  static description = 'Test network connectivity to icetrade.by'
  static options: CommandOptions = {
    startApp: true,
  }

  async run() {
    const testUrl = 'https://icetrade.by'

    this.logger.info('Testing network connectivity...')
    this.logger.info(`Target URL: ${testUrl}`)

    try {
      // Test 1: Basic DNS resolution
      this.logger.info('Test 1: DNS resolution')
      try {
        const dns = await import('node:dns/promises')
        const addresses = await dns.resolve4('icetrade.by')
        this.logger.success(`DNS resolved: ${addresses.join(', ')}`)
      } catch (error) {
        this.logger.error(
          `DNS resolution failed: ${error instanceof Error ? error.message : String(error)}`
        )
        throw error
      }

      // Test 2: Basic HTTP connection
      this.logger.info('Test 2: HTTP connection')
      const startTime = Date.now()

      const controller = new AbortController()
      const timeoutId = setTimeout(() => controller.abort(), 30000)

      try {
        const response = await fetch(testUrl, {
          method: 'HEAD',
          headers: {
            'User-Agent':
              'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
          },
          signal: controller.signal,
        })

        clearTimeout(timeoutId)
        const duration = Date.now() - startTime

        this.logger.success(`HTTP response: ${response.status} ${response.statusText}`)
        this.logger.info(`Response time: ${duration}ms`)
        this.logger.info(`Content-Type: ${response.headers.get('content-type')}`)
        this.logger.info(`Server: ${response.headers.get('server')}`)
      } catch (error) {
        clearTimeout(timeoutId)
        const err = error instanceof Error ? error : new Error(String(error))

        this.logger.error(`HTTP connection failed: ${err.message}`)

        // Log detailed error info
        logger.error('Connection test failed', {
          name: err.name,
          message: err.message,
          stack: err.stack,
          cause: err.cause,
        })

        throw error
      }

      // Test 3: Full page fetch
      this.logger.info('Test 3: Full page fetch')
      try {
        const fullResponse = await fetch(testUrl, {
          headers: {
            'User-Agent':
              'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
            Accept: 'text/html',
          },
        })

        const text = await fullResponse.text()
        this.logger.success(`Received ${text.length} bytes`)
        this.logger.info(`First 200 chars: ${text.substring(0, 200).replace(/\s+/g, ' ')}`)
      } catch (error) {
        this.logger.error(
          `Full fetch failed: ${error instanceof Error ? error.message : String(error)}`
        )
        throw error
      }

      // Test 4: Actual auction page
      this.logger.info('Test 4: Auction list page')
      const auctionUrl = 'https://icetrade.by/trades/index?onPage=100&p=1'
      try {
        const auctionResponse = await fetch(auctionUrl, {
          headers: {
            'User-Agent':
              'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
            Accept: 'text/html',
            'Accept-Language': 'ru-RU,ru;q=0.9',
          },
        })

        if (!auctionResponse.ok) {
          throw new Error(
            `HTTP ${auctionResponse.status}: ${auctionResponse.statusText}`
          )
        }

        const html = await auctionResponse.text()
        this.logger.success(`Auction page received: ${html.length} bytes`)

        // Check for auction table
        if (html.includes('table.auctions') || html.includes('class="auctions')) {
          this.logger.success('Auction table found in HTML')
        } else {
          this.logger.warning('Auction table not found in HTML (page structure may have changed)')
        }
      } catch (error) {
        this.logger.error(
          `Auction page fetch failed: ${error instanceof Error ? error.message : String(error)}`
        )
        throw error
      }

      this.logger.success('All connectivity tests passed!')
    } catch (error) {
      this.logger.error('Connectivity test failed')
      this.exitCode = 1

      // Print environment info
      this.logger.info('Environment info:')
      this.logger.info(`  NODE_ENV: ${process.env.NODE_ENV}`)
      this.logger.info(`  Platform: ${process.platform}`)
      this.logger.info(`  Node version: ${process.version}`)
    }
  }
}