// /components/activityLogs/activityLogModel.js
'use strict';

const mongoose = require('mongoose');

const ACTIVITY_ACTIONS = [
  'create',
  'update',
  'delete',
  'login',
  'logout',
  'enroll',
  'attendance',
  'upload',
  'retry',
  'other'
];

const activityLogSchema = new mongoose.Schema(
  {
    actor: {
      type: mongoose.Schema.Types.ObjectId,
      ref: 'User',
      default: null,
      index: true
    },
    actorUsername: {
      type: String,
      default: null,
      index: true
    },
    actorName: {
      type: String,
      default: null
    },
    action: {
      type: String,
      enum: ACTIVITY_ACTIONS,
      required: true,
      index: true
    },
    resource: {
      type: String,
      required: true,
      index: true
    },
    resourceId: {
      type: String,
      default: null
    },
    method: {
      type: String,
      required: true
    },
    path: {
      type: String,
      required: true
    },
    statusCode: {
      type: Number,
      default: null
    },
    ip: {
      type: String,
      default: null
    },
    userAgent: {
      type: String,
      default: null
    },
    description: {
      type: String,
      default: ''
    },
    metadata: {
      type: mongoose.Schema.Types.Mixed,
      default: {}
    }
  },
  { timestamps: true }
);

activityLogSchema.index({ createdAt: -1 });
activityLogSchema.index({ action: 1, createdAt: -1 });

module.exports = mongoose.model('ActivityLog', activityLogSchema);
module.exports.ACTIVITY_ACTIONS = ACTIVITY_ACTIONS;