const mongoose = require("mongoose");

const STATUSES = ["subscribed", "unsubscribed"];
const emailPattern = /^\S+@\S+\.\S+$/;

const newsletterSubscriptionSchema = new mongoose.Schema(
  {
    email: {
      type: String,
      required: [true, "Email is required"],
      trim: true,
      lowercase: true,
      validate: {
        validator(value) {
          return emailPattern.test(value);
        },
        message: "Please enter a valid email",
      },
    },
    status: {
      type: String,
      enum: STATUSES,
      default: "subscribed",
    },
    pageUrl: {
      type: String,
      trim: true,
      default: "",
    },
    ipAddress: {
      type: String,
      default: "",
    },
    userAgent: {
      type: String,
      default: "",
    },
    internalNote: {
      type: String,
      trim: true,
      default: "",
      maxlength: [2000, "Internal note cannot exceed 2000 characters"],
    },
  },
  {
    collection: "newsletter_subscriptions",
    timestamps: true,
    autoCreate: false,
    autoIndex: false,
  },
);

newsletterSubscriptionSchema.statics.STATUSES = STATUSES;

module.exports = mongoose.model(
  "NewsletterSubscription",
  newsletterSubscriptionSchema,
);