import { config } from '../config.js'
import { listDocuments, Query } from './appwriteAdmin.js'

/**
 * Tickets + zugehoerige Worksheets eines Kunden ("was wurde gemacht").
 * excludeTypes: Ticket-Typen, die der Kunde nicht sehen soll (z. B. Akquise).
 */
export async function getCustomerActivity(customerId, { ticketLimit = 25, excludeTypes = [] } = {}) {
  if (!customerId) return []

  let workorders = await listDocuments(config.collections.workorders, [
    Query.equal('customerId', customerId),
    Query.orderDesc('$createdAt'),
    Query.limit(ticketLimit),
  ])

  if (excludeTypes.length) {
    const blocked = new Set(excludeTypes.map((t) => t.toLowerCase()))
    workorders = workorders.filter((w) => !blocked.has(String(w.type || '').toLowerCase()))
  }

  const ids = workorders.map((w) => w.$id)
  let worksheets = []
  if (ids.length) {
    worksheets = await listDocuments(config.collections.worksheets, [
      Query.equal('workorderId', ids),
      Query.orderDesc('$createdAt'),
      Query.limit(300),
    ]).catch(() => [])
  }

  const sheetsByWorkorder = {}
  for (const ws of worksheets) {
    if (ws.isComment) continue
    const list = (sheetsByWorkorder[ws.workorderId] ||= [])
    list.push({
      wsid: ws.wsid || '',
      employeeName: ws.employeeName || ws.employeeShort || '',
      serviceType: ws.serviceType || '',
      newStatus: ws.newStatus || '',
      totalTime: ws.totalTime || '',
      date: ws.endDate || ws.startDate || '',
      details: ws.details || '',
      createdAt: ws.createdAt || ws.$createdAt || '',
    })
  }

  return workorders.map((w) => ({
    id: w.$id,
    woid: w.woid || '',
    topic: w.topic || w.title || '',
    status: w.status || '',
    type: w.type || '',
    createdAt: w.createdAt || w.$createdAt || '',
    worksheets: (sheetsByWorkorder[w.$id] || []).slice(0, 20),
  }))
}