const mongoose = require('mongoose')

const chatRoomSchema = new mongoose.Schema(
  {
    title: { type: String, required: true, trim: true },
    slug: { type: String, required: true, unique: true, trim: true },
    description: { type: String, trim: true },
    image: { type: String },
    members: [{ type: mongoose.Schema.Types.ObjectId, ref: 'User' }],
    createdBy: { type: mongoose.Schema.Types.ObjectId, ref: 'User' },
    province: {
      id: { type: Number },
      name: { type: String }
    },
    city: {
      id: { type: Number },
      name: { type: String }
    },
    expertise: { type: String, trim: true },
    visibility: {
      type: String,
      enum: ['public', 'private'],
      default: 'public',
      index: true,
    },
    lastActivityAt: { type: Date, default: Date.now, index: true },
    idleTimeoutMs: { type: Number, default: 30 * 24 * 60 * 60 * 1000 },
    isSystem: { type: Boolean, default: false },
    e2ee_enabled: { type: Boolean, default: false },
    e2ee_wrapped_keys: [
      {
        userId: { type: mongoose.Schema.Types.ObjectId, ref: 'User', required: true },
        wrappedKey: { type: String, required: true }
      }
    ]
  },
  { timestamps: true }
)

module.exports = mongoose.model('ChatRoom', chatRoomSchema)