/**
 * Hetzner Cloud API Routes
 * @author Descomplicar® | @link descomplicar.pt | @copyright 2026
 */
import { Router, Request, Response } from 'express'
import {
  syncServers,
  collectAllMetrics,
  collectMetrics,
  getHetznerDashboard,
  getMetricsHistory,
  cleanupOldMetrics
} from '../services/hetzner.js'

const router = Router()

// GET /api/hetzner - Dashboard data (servidores + últimas métricas)
router.get('/', async (_req: Request, res: Response) => {
  try {
    const data = await getHetznerDashboard()
    res.json({
      success: true,
      data
    })
  } catch (error) {
    console.error('Error fetching Hetzner dashboard:', error)
    res.status(500).json({
      success: false,
      error: 'Failed to fetch Hetzner data'
    })
  }
})

// POST /api/hetzner/sync - Sincronizar lista de servidores
router.post('/sync', async (_req: Request, res: Response) => {
  try {
    const synced = await syncServers()
    res.json({
      success: true,
      message: `Sincronizados ${synced} servidores`,
      synced
    })
  } catch (error) {
    console.error('Error syncing servers:', error)
    res.status(500).json({
      success: false,
      error: 'Failed to sync servers'
    })
  }
})

// POST /api/hetzner/collect - Recolher métricas de todos os servidores
router.post('/collect', async (_req: Request, res: Response) => {
  try {
    const result = await collectAllMetrics()
    res.json({
      success: true,
      message: `Recolhidas métricas: ${result.success} OK, ${result.failed} falharam`,
      ...result
    })
  } catch (error) {
    console.error('Error collecting metrics:', error)
    res.status(500).json({
      success: false,
      error: 'Failed to collect metrics'
    })
  }
})

// POST /api/hetzner/collect/:hetzner_id - Recolher métricas de um servidor específico
router.post('/collect/:hetzner_id', async (req: Request, res: Response) => {
  try {
    const hetzner_id = parseInt(req.params.hetzner_id)
    if (isNaN(hetzner_id)) {
      return res.status(400).json({
        success: false,
        error: 'Invalid server ID'
      })
    }

    const success = await collectMetrics(hetzner_id)
    res.json({
      success,
      message: success ? 'Métricas recolhidas' : 'Falha ao recolher métricas'
    })
  } catch (error) {
    console.error('Error collecting metrics:', error)
    res.status(500).json({
      success: false,
      error: 'Failed to collect metrics'
    })
  }
})

// GET /api/hetzner/history/:server_id - Histórico de métricas para gráficos
router.get('/history/:server_id', async (req: Request, res: Response) => {
  try {
    const server_id = parseInt(req.params.server_id)
    const hours = parseInt(req.query.hours as string) || 24

    if (isNaN(server_id)) {
      return res.status(400).json({
        success: false,
        error: 'Invalid server ID'
      })
    }

    const metrics = await getMetricsHistory(server_id, hours)
    res.json({
      success: true,
      data: metrics
    })
  } catch (error) {
    console.error('Error fetching metrics history:', error)
    res.status(500).json({
      success: false,
      error: 'Failed to fetch metrics history'
    })
  }
})

// POST /api/hetzner/cleanup - Limpar métricas antigas
router.post('/cleanup', async (req: Request, res: Response) => {
  try {
    const days = parseInt(req.query.days as string) || 7
    const deleted = await cleanupOldMetrics(days)
    res.json({
      success: true,
      message: `Eliminadas ${deleted} entradas com mais de ${days} dias`,
      deleted
    })
  } catch (error) {
    console.error('Error cleaning up metrics:', error)
    res.status(500).json({
      success: false,
      error: 'Failed to cleanup metrics'
    })
  }
})

export default router