const mongoose = require('mongoose');

const versionLogSchema = new mongoose.Schema({
  version: {
    type: String,
    required: true,
    trim: true
  },
  versionName: {
    type: String,
    default: ''
  },
  releaseDate: {
    type: Date,
    default: Date.now
  },
  features: [{
    type: String
  }],
  fixes: [{
    type: String
  }],
  improvements: [{
    type: String
  }],
  isPublished: {
    type: Boolean,
    default: true
  },
  sortOrder: {
    type: Number,
    default: 0
  }
}, {
  timestamps: true
});

versionLogSchema.index({ version: 1 });
versionLogSchema.index({ isPublished: 1, sortOrder: -1 });

module.exports = mongoose.model('VersionLog', versionLogSchema);