// /components/contactInquiries/contactInquiryModel.js

const mongoose = require('mongoose');

const CONTACT_METHODS = [
  'WhatsApp',
  'Telegram',
  'Soroush',
  'Bale',
  'Eitaa',
  'SMS',
  'Call'
];

const CONTACT_STATUSES = [
  'new',
  'seen',
  'call_later',
  'contacted',
  'closed'
];

const contactInquirySchema = new mongoose.Schema({
  name: {
    type: String,
    required: true,
    trim: true
  },
  surname: {
    type: String,
    required: true,
    trim: true
  },
  nationalIdCode: {
    type: String,
    trim: true,
    index: true
  },
  phoneNumber: {
    type: String,
    trim: true,
    index: true
  },
  email: {
    type: String,
    trim: true,
    lowercase: true
  },
  message: {
    type: String,
    trim: true,
    maxlength: 2000
  },
  preferredContactMethods: [{
    type: String,
    enum: CONTACT_METHODS
  }],
  courses: [{
    type: mongoose.Schema.Types.ObjectId,
    ref: 'Course'
  }],
  status: {
    type: String,
    enum: CONTACT_STATUSES,
    default: 'new',
    index: true
  },
  notes: {
    type: String,
    trim: true,
    maxlength: 5000,
    default: ''
  }
}, {
  timestamps: true
});

contactInquirySchema.statics.CONTACT_METHODS = CONTACT_METHODS;
contactInquirySchema.statics.CONTACT_STATUSES = CONTACT_STATUSES;

module.exports = mongoose.model('ContactInquiry', contactInquirySchema);