import { Column, CreateDateColumn, Entity, OneToMany, OneToOne, PrimaryGeneratedColumn } from 'typeorm';
import { ColumnBigIntTransformer } from '../../../utils/ColumnBigIntTransformer';
import { ColumnNumericTransformer } from '../../../utils/ColumnNumericTransformer';
import { PaymentMethod } from '../types/PaymentMethod';
import { InvoiceReason } from '../types/InvoiceReason';
import { InvoiceBtcDetails } from './InvoiceBtcDetails';
import { InvoiceMoneroDetails } from './InvoiceMoneroDetails';
import { InvoicePayment } from './InvoicePayment';

@Entity('invoices')
export class Invoice {
    @PrimaryGeneratedColumn('uuid')
    id: string;

    @Column({ type: 'enum', enum: InvoiceReason })
    reason: InvoiceReason;

    @Column({ type: 'enum', enum: PaymentMethod })
    paymentMethod: PaymentMethod;

    @Column({
        type: 'numeric',
        precision: 12,
        scale: 2,
        transformer: new ColumnNumericTransformer()
    })
    amountFiat: number;

    @Column({ length: 3 })
    fiatCurrency: string;

    @Column({ type: 'timestamptz' })
    expiresAt: Date;

    @Column({ type: 'varchar', length: 255, unique: true })
    paymentAddress: string;

    @Column({ type: 'bigint', transformer: new ColumnBigIntTransformer() })
    expectedTotalAtomic: string;

    @OneToMany(() => InvoicePayment, payment => payment.invoice, { cascade: true })
    payments: InvoicePayment[];

    @OneToOne(() => InvoiceMoneroDetails, moneroDetails => moneroDetails.invoice, { cascade: true })
    moneroDetails: InvoiceMoneroDetails | null;

    @OneToOne(() => InvoiceBtcDetails, btcDetails => btcDetails.invoice, { cascade: true })
    btcDetails: InvoiceBtcDetails | null;

    @CreateDateColumn()
    createdAt: Date;
}