const uniqueValidator = require('mongoose-unique-validator');
module.exports = mongoose => {
    var schema = mongoose.Schema(
        {
            // Basic Information
            vehicle_number: {
              type: Number,
              required: true,
            },
            responsible_driver: String,
            responsible_driver_id: String,
            capacity: Number,
            mileage: Number,
            make: String,
            vehicle_model: String,
            year: String,
            vin: String,
            tag: {
              type: String,
              required: true
            },
            gps_tag: String,
            ezpass: String,
            has_lift_equip: Boolean,
            fuel_type: String,
            title: String,
            title_other: String,
            
            // Compliance & Deadlines
            insurance_start_date: String,
            vehicle_registration_date: String,
            
            // Legacy fields (keeping for backward compatibility)
            insurance_expire_on: String,
            title_registration_on: String,
            emission_test_on: String,
            oil_change_mileage: Number,
            oil_change_date: String,
            
            // Check List
            checklist: [{
              type: String
            }],
            
            // Additional Information
            note: String,
            
            // System fields
            status: String,
            site: Number
        },
        { collection: 'vehicle', timestamps: true }
      );
    schema.method("toJSON", function() {
        const { __v, _id, ...object } = this.toObject();
        object.id = _id;
        return object;
      });
    schema.index({tag: 1, site:1}, {unique: true});
    const Vehicle = mongoose.model("vehicle", schema);
    return Vehicle;
  };