import mongoose, { Schema, Document } from 'mongoose';

export interface IInternalOrder extends Document {
    requestId: string;
    ioNumber: string;
    ioAvailableBalance: number;
    ioBlockedAmount: number;
    ioRemainingBalance: number;
    ioRemark?: string;
    status: 'PENDING' | 'BLOCKED' | 'RELEASED';
    sapDocId?: string;
    createdAt: Date;
    updatedAt: Date;
}

const InternalOrderSchema = new Schema<IInternalOrder>({
    requestId: { type: String, required: true, unique: true, index: true },
    ioNumber: { type: String, required: true },
    ioAvailableBalance: { type: Number, default: 0 },
    ioBlockedAmount: { type: Number, default: 0 },
    ioRemainingBalance: { type: Number, default: 0 },
    ioRemark: String,
    status: {
        type: String,
        enum: ['PENDING', 'BLOCKED', 'RELEASED'],
        default: 'PENDING'
    },
    sapDocId: String
}, {
    timestamps: true,
    collection: 'internal_orders'
});

export const InternalOrderModel = mongoose.model<IInternalOrder>('InternalOrder', InternalOrderSchema);