import { model, models, Schema, type InferSchemaType, type Model } from "mongoose";
import { HOUSEHOLD_ROLES } from "@/features/households/types";

/** Kullanıcının bir hanedeki üyeliği ve hane içi rolü (owner | member | viewer). */
const householdMemberSchema = new Schema(
  {
    householdId: { type: Schema.Types.ObjectId, ref: "Household", required: true },
    /** Better Auth `user` koleksiyonundaki _id. */
    userId: { type: Schema.Types.ObjectId, required: true },
    role: { type: String, enum: HOUSEHOLD_ROLES, required: true },
    createdBy: { type: Schema.Types.ObjectId, required: true },
    updatedBy: { type: Schema.Types.ObjectId, required: true },
  },
  { timestamps: true, collection: "householdMembers" },
);

// Bir kullanıcı bir hanede yalnızca bir kez üye olabilir.
householdMemberSchema.index({ householdId: 1, userId: 1 }, { unique: true });
// Kullanıcının hanelerini hızlı listelemek için.
householdMemberSchema.index({ userId: 1, householdId: 1 });

export type HouseholdMember = InferSchemaType<typeof householdMemberSchema>;

export const HouseholdMemberModel: Model<HouseholdMember> =
  (models.HouseholdMember as Model<HouseholdMember> | undefined) ??
  model<HouseholdMember>("HouseholdMember", householdMemberSchema);