import { Router } from 'express'
import axios from 'axios'
import https from 'https'

const router = Router()
const agent = new https.Agent({ rejectUnauthorized: false })

router.get('/status', async (_req, res) => {
  try {
    const host = process.env.PROXMOX_HOST
    const token = process.env.PROXMOX_TOKEN
    if (!host || !token) {
      res.status(503).json({ error: 'PROXMOX_HOST / PROXMOX_TOKEN not configured' })
      return
    }

    const headers = { Authorization: token }

    const nodesRes = await axios.get(`${host}/api2/json/nodes`, { headers, httpsAgent: agent })
    const node: string = nodesRes.data.data[0].node

    const [statusRes, lxcRes, qemuRes, storageRes] = await Promise.all([
      axios.get(`${host}/api2/json/nodes/${node}/status`,  { headers, httpsAgent: agent }),
      axios.get(`${host}/api2/json/nodes/${node}/lxc`,     { headers, httpsAgent: agent }),
      axios.get(`${host}/api2/json/nodes/${node}/qemu`,    { headers, httpsAgent: agent }),
      axios.get(`${host}/api2/json/nodes/${node}/storage`, { headers, httpsAgent: agent }),
    ])

    const s = statusRes.data.data

    type StorageEntry = { storage: string; type: string; active: number; enabled: number; used: number; total: number }
    const storages = (storageRes.data.data as StorageEntry[])
      .filter(st => st.active && st.enabled && st.total > 0 && st.storage !== 'nas')
      .map(st => ({ name: st.storage, type: st.type, used: st.used, total: st.total }))

    res.json({
      node,
      uptime:   s.uptime,
      cpu:      s.cpu,
      memory:   { used: s.memory.used, total: s.memory.total },
      storages,
      lxcCount: (lxcRes.data.data as { status: string }[]).filter(c => c.status === 'running').length,
      vmCount:  (qemuRes.data.data as { status: string }[]).filter(v => v.status === 'running').length,
    })
  } catch (err: unknown) {
    const msg = err instanceof Error ? err.message : 'Unknown error'
    res.status(500).json({ error: msg })
  }
})

export default router