const mongoose = require("mongoose");

const BadgeSchema = new mongoose.Schema(
  {
    name: {
      type: String,
      required: true,
      unique: true,
    },
    description: {
      type: String,
      required: true,
    },
    icon: {
      type: String,
      required: true,
    },
    criteria: {
      type: {
        type: String,
        enum: [
          "street_adoptions",
          "task_completions",
          "post_creations",
          "event_participations",
          "points_earned",
          "consecutive_days",
          "special",
        ],
        required: true,
      },
      threshold: {
        type: Number,
        required: true,
      },
    },
    rarity: {
      type: String,
      enum: ["common", "rare", "epic", "legendary"],
      default: "common",
    },
    order: {
      type: Number,
      default: 0,
    },
  },
  {
    timestamps: true,
  },
);

// Index for efficient badge queries
BadgeSchema.index({ "criteria.type": 1, "criteria.threshold": 1 });
BadgeSchema.index({ rarity: 1 });
BadgeSchema.index({ order: 1 });

module.exports = mongoose.model("Badge", BadgeSchema);