const mongoose = require('mongoose')
const ObjectID = mongoose.Schema.Types.ObjectId

const transactionSchema = new mongoose.Schema(
    {
        type: {
            type: String,
            enum: ['withdraw', 'deposit'],
            required: true,
        },
        status: {
            type: String,
            enum: ['failed', 'pending', 'finished'],
            required: true,
        },
        source: {
            type: String,
            enum: ['normal'],
        },
        value: {
            type: Number,
            required: true,
        },
        date: {
            type: Date,
            default: Date.now(),
        },
        description: String,
        userId: {
            type: ObjectID,
            ref: 'User',
        },
        belongingId: {
            type: ObjectID,
            ref: 'Belonging',
        },
    },
    {
        toJSON: { virtuals: true },
        toObject: { virtuals: true },
        timestamps: true,
    }
)

// Add individual indexes for frequently queried fields
transactionSchema.index({ type: 1 })
transactionSchema.index({ status: 1 })
transactionSchema.index({ value: 1 })

// Add compound indexes for common query patterns in aggregation
transactionSchema.index({ belongingId: 1, status: 1 })
transactionSchema.index({ belongingId: 1, type: 1, status: 1 })

const Transaction = mongoose.model('Transaction', transactionSchema)
module.exports = Transaction