import { ICollectionAuditedEntity, ICollectionMoney } from './Common';
import { IPaymentPlanConfigurationSnapshot, PaymentPlanFrequency } from './PaymentPlanConfiguration';
export declare enum PaymentPlanStatus {
    DRAFT = "DRAFT",
    PENDING_APPROVAL = "PENDING_APPROVAL",
    ACTIVE = "ACTIVE",
    COMPLETED = "COMPLETED",
    FAILED = "FAILED",
    CANCELLED = "CANCELLED",
    REFINANCED = "REFINANCED"
}
export declare enum PaymentPlanInstallmentStatus {
    PENDING = "PENDING",
    PARTIALLY_PAID = "PARTIALLY_PAID",
    PAID = "PAID",
    OVERDUE = "OVERDUE",
    CANCELLED = "CANCELLED"
}
export interface IPlannedDebtAllocation {
    debtId: string;
    principal: ICollectionMoney;
    interest?: ICollectionMoney;
    fees?: ICollectionMoney;
    taxes?: ICollectionMoney;
    discounts?: ICollectionMoney;
    total: ICollectionMoney;
}
export interface IPaymentPlanInstallment {
    id: string;
    number: number;
    dueAt: Date;
    amount: ICollectionMoney;
    paidAmount: ICollectionMoney;
    status: PaymentPlanInstallmentStatus;
    allocations?: IPlannedDebtAllocation[];
}
export interface IPaymentPlan extends ICollectionAuditedEntity {
    portfolioId: string;
    contactId: string;
    debtIds: string[];
    status: PaymentPlanStatus;
    configurationId?: string;
    configurationVersion?: number;
    /** Immutable copy of every value and formula used to calculate this plan. */
    configurationSnapshot?: IPaymentPlanConfigurationSnapshot;
    totalAmount: ICollectionMoney;
    downPayment?: ICollectionMoney;
    interestConfigurationId?: string;
    installments: IPaymentPlanInstallment[];
    activatedAt?: Date;
    completedAt?: Date;
    failedAt?: Date;
    failureReason?: string;
    failurePolicyId?: string;
    replacesPlanId?: string;
    replacedByPlanId?: string;
    approvedAt?: Date;
    approvedBy?: string;
    version: number;
}
export interface IPaymentPlanFailurePolicy extends ICollectionAuditedEntity {
    name: string;
    enabled: boolean;
    maximumOverdueInstallments?: number;
    gracePeriodDays?: number;
    minimumOverdueAmount?: ICollectionMoney;
    automaticFailure: boolean;
    supervisorApprovalRequired: boolean;
}
export interface ICreatePaymentPlanDto {
    portfolioId: string;
    contactId: string;
    debtIds: string[];
    configurationId?: string;
    installmentCount?: number;
    firstDueAt?: Date;
    frequency?: PaymentPlanFrequency;
    customDueDates?: Date[];
    totalAmount: ICollectionMoney;
    downPayment?: ICollectionMoney;
    interestConfigurationId?: string;
    /** Optional for formula-generated plans; required for manually constructed plans. */
    installments?: Omit<IPaymentPlanInstallment, 'id' | 'paidAmount' | 'status'>[];
    replacesPlanId?: string;
    source?: string;
    idempotencyKey?: string;
}