const mongoose = require('mongoose');

const contentCollectionSchema = new mongoose.Schema(
  {
    organization: {
      type: mongoose.Schema.Types.ObjectId,
      ref: 'Organization',
      required: true,
    },
    name: { type: String, required: true },
    description: { type: String, default: '' },
    collectionType: { type: String, default: '' },
    coverIcon: { type: String, default: '' },
    tags: [{ type: String }],
    contentIds: [{ type: mongoose.Schema.Types.ObjectId, ref: 'LibraryContent' }],
    visibility: {
      type: String,
      enum: ['private', 'shared', 'public'],
      default: 'private',
    },
    sharedWith: [{ type: mongoose.Schema.Types.ObjectId, ref: 'User' }],
    passwordProtected: { type: Boolean, default: false },
    passwordHash: { type: String, default: '' },
    expiryEnabled: { type: Boolean, default: false },
    expiryDate: Date,
    notifyOnAdd: { type: Boolean, default: true },
    notifyOnShare: { type: Boolean, default: true },
    createdBy: { type: mongoose.Schema.Types.ObjectId, ref: 'User' },
  },
  { timestamps: true }
);

contentCollectionSchema.index({ organization: 1, createdAt: -1 });
module.exports = mongoose.model('ContentCollection', contentCollectionSchema);