import { randomUUID } from "node:crypto";
import type { CollectionConfig } from "payload";
import { isAdmin, isAdminFieldLevel } from "@/access";

export const Conversations: CollectionConfig = {
  slug: "conversations",
  labels: {
    singular: "Anfrage",
    plural: "Anfragen",
  },
  admin: {
    useAsTitle: "subject",
    defaultColumns: ["subject", "name", "email", "status", "lastMessageAt"],
    group: "Kommunikation",
    description: "Kontakt- und Terminanfragen als durchsuchbare Konversationen.",
  },
  access: {
    read: isAdmin,
    create: () => false,
    update: isAdmin,
    delete: isAdmin,
  },
  timestamps: true,
  fields: [
    {
      name: "subject",
      type: "text",
      label: "Betreff",
      required: true,
    },
    {
      type: "row",
      fields: [
        { name: "name", type: "text", label: "Name", required: true, admin: { width: "50%" } },
        { name: "email", type: "email", label: "E-Mail", required: true, admin: { width: "50%" } },
      ],
    },
    {
      name: "type",
      type: "select",
      label: "Art",
      required: true,
      defaultValue: "contact",
      options: [
        { label: "Kontakt", value: "contact" },
        { label: "Terminanfrage", value: "appointment" },
        { label: "Gruppenangebot", value: "group" },
      ],
    },
    {
      name: "status",
      type: "select",
      label: "Status",
      required: true,
      defaultValue: "open",
      options: [
        { label: "Offen", value: "open" },
        { label: "Wartet auf Antwort", value: "waiting" },
        { label: "Erledigt", value: "closed" },
      ],
    },
    {
      name: "customer",
      type: "relationship",
      relationTo: "customers",
      label: "Kundenkonto",
      admin: { position: "sidebar", readOnly: true },
    },
    {
      name: "threadKey",
      type: "text",
      label: "E-Mail-Thread-Schlüssel",
      required: true,
      unique: true,
      index: true,
      defaultValue: () => randomUUID(),
      access: { read: isAdminFieldLevel, update: () => false },
      admin: { position: "sidebar", readOnly: true },
    },
    {
      name: "lastMessageAt",
      type: "date",
      label: "Letzte Nachricht",
      index: true,
      admin: { position: "sidebar", readOnly: true },
    },
  ],
};