import {
    IsEnum,
    IsIn,
    IsInt,
    IsISO8601,
    IsOptional,
    IsPositive,
    IsString,
    IsUUID,
} from "class-validator";
import { ApiProperty, ApiPropertyOptional } from "@nestjs/swagger";
import {
    PaymentEventType,
    PaymentReferenceType,
    PaymentService,
    ProviderMethod,
} from "@edr/types";

/**
 * Wire shape of the PaymentEvent envelope (@edr/types) delivered by the payment
 * microservice's outbox relay. Delivery is at-least-once — the consumer is idempotent.
 */
export class PaymentEventDto {
    @ApiProperty({ enum: [1] }) @IsIn([1]) version!: 1;
    @ApiProperty() @IsUUID() eventId!: string;
    @ApiProperty({ enum: ["payment.succeeded", "payment.failed"] })
    @IsIn(["payment.succeeded", "payment.failed"])
    eventType!: PaymentEventType;

    @ApiProperty() @IsISO8601() occurredAt!: string;
    @ApiProperty({ enum: PaymentService }) @IsEnum(PaymentService) service!: string;
    @ApiProperty() @IsUUID() intentId!: string;
    @ApiProperty({ enum: PaymentReferenceType })
    @IsEnum(PaymentReferenceType)
    referenceType!: string;

    @ApiProperty() @IsString() referenceId!: string;
    @ApiProperty() @IsString() merchantOrderId!: string;
    @ApiProperty({ enum: ProviderMethod }) @IsEnum(ProviderMethod) provider!: string;
    @ApiProperty() @IsInt() @IsPositive() amountMinor!: number;
    @ApiProperty() @IsString() currency!: string;

    @ApiPropertyOptional() @IsOptional() @IsString() providerTxnId?: string;
    @ApiPropertyOptional() @IsOptional() @IsISO8601() paidAt?: string;
    @ApiPropertyOptional() @IsOptional() @IsString() failureCode?: string;
    @ApiPropertyOptional() @IsOptional() @IsString() failureMessage?: string;
}

export class MarkPaidResponseDto {
    @ApiProperty() processed!: boolean;
    @ApiPropertyOptional() alreadyFinalized?: boolean;
    @ApiPropertyOptional() reason?: string;
}