import * as plugins from './bunq.plugins.js';
import { BunqAccount } from './bunq.classes.account.js';
import { BunqMonetaryAccount } from './bunq.classes.monetaryaccount.js';
import { 
  IBunqScheduledPaymentRequest,
  IBunqAmount,
  IBunqAlias,
  IBunqPaginationOptions
} from './bunq.interfaces.js';

export interface IScheduleOptions {
  timeStart: string;
  timeEnd?: string;
  recurrenceUnit: 'ONCE' | 'HOURLY' | 'DAILY' | 'WEEKLY' | 'MONTHLY' | 'YEARLY';
  recurrenceSize: number;
}

export class BunqScheduledPayment {
  private bunqAccount: BunqAccount;
  private monetaryAccount: BunqMonetaryAccount;
  
  // Schedule properties
  public id?: number;
  public created?: string;
  public updated?: string;
  public status?: string;

  constructor(bunqAccount: BunqAccount, monetaryAccount: BunqMonetaryAccount) {
    this.bunqAccount = bunqAccount;
    this.monetaryAccount = monetaryAccount;
  }

  /**
   * Create a scheduled payment
   */
  public async create(paymentData: IBunqScheduledPaymentRequest): Promise<number> {
    await this.bunqAccount.apiContext.ensureValidSession();
    
    const response = await this.bunqAccount.getHttpClient().post(
      `/v1/user/${this.bunqAccount.userId}/monetary-account/${this.monetaryAccount.id}/schedule-payment`,
      {
        payment: {
          amount: paymentData.amount,
          counterparty_alias: paymentData.counterparty_alias,
          description: paymentData.description,
          attachment: paymentData.attachment,
          merchant_reference: paymentData.merchant_reference,
          allow_bunqto: paymentData.allow_bunqto
        },
        schedule: paymentData.schedule
      }
    );

    if (response.Response && response.Response[0] && response.Response[0].Id) {
      this.id = response.Response[0].Id.id;
      return this.id;
    }

    throw new Error('Failed to create scheduled payment');
  }

  /**
   * Get scheduled payment details
   */
  public async get(): Promise<any> {
    if (!this.id) {
      throw new Error('Scheduled payment ID not set');
    }

    await this.bunqAccount.apiContext.ensureValidSession();
    
    const response = await this.bunqAccount.getHttpClient().get(
      `/v1/user/${this.bunqAccount.userId}/monetary-account/${this.monetaryAccount.id}/schedule-payment/${this.id}`
    );

    if (response.Response && response.Response[0]) {
      return response.Response[0].SchedulePayment;
    }

    throw new Error('Scheduled payment not found');
  }

  /**
   * Update scheduled payment
   */
  public async update(updates: any): Promise<void> {
    if (!this.id) {
      throw new Error('Scheduled payment ID not set');
    }

    await this.bunqAccount.apiContext.ensureValidSession();
    
    await this.bunqAccount.getHttpClient().put(
      `/v1/user/${this.bunqAccount.userId}/monetary-account/${this.monetaryAccount.id}/schedule-payment/${this.id}`,
      updates
    );
  }

  /**
   * Cancel scheduled payment
   */
  public async cancel(): Promise<void> {
    if (!this.id) {
      throw new Error('Scheduled payment ID not set');
    }

    await this.bunqAccount.apiContext.ensureValidSession();
    
    await this.bunqAccount.getHttpClient().delete(
      `/v1/user/${this.bunqAccount.userId}/monetary-account/${this.monetaryAccount.id}/schedule-payment/${this.id}`
    );
  }

  /**
   * List scheduled payments
   */
  public static async list(
    bunqAccount: BunqAccount,
    monetaryAccountId: number,
    options?: IBunqPaginationOptions
  ): Promise<any[]> {
    await bunqAccount.apiContext.ensureValidSession();
    
    const response = await bunqAccount.getHttpClient().list(
      `/v1/user/${bunqAccount.userId}/monetary-account/${monetaryAccountId}/schedule-payment`,
      options
    );

    return response.Response || [];
  }

  /**
   * Create a builder for scheduled payments
   */
  public static builder(
    bunqAccount: BunqAccount,
    monetaryAccount: BunqMonetaryAccount
  ): ScheduledPaymentBuilder {
    return new ScheduledPaymentBuilder(bunqAccount, monetaryAccount);
  }
}

/**
 * Builder class for creating scheduled payments
 */
export class ScheduledPaymentBuilder {
  private bunqAccount: BunqAccount;
  private monetaryAccount: BunqMonetaryAccount;
  private paymentData: Partial<IBunqScheduledPaymentRequest> = {};

  constructor(bunqAccount: BunqAccount, monetaryAccount: BunqMonetaryAccount) {
    this.bunqAccount = bunqAccount;
    this.monetaryAccount = monetaryAccount;
  }

  /**
   * Set the amount
   */
  public amount(value: string, currency: string = 'EUR'): this {
    this.paymentData.amount = { value, currency };
    return this;
  }

  /**
   * Set the counterparty by IBAN
   */
  public toIban(iban: string, name?: string): this {
    this.paymentData.counterparty_alias = {
      type: 'IBAN',
      value: iban,
      name
    };
    return this;
  }

  /**
   * Set the counterparty by email
   */
  public toEmail(email: string, name?: string): this {
    this.paymentData.counterparty_alias = {
      type: 'EMAIL',
      value: email,
      name
    };
    return this;
  }

  /**
   * Set the counterparty by phone number
   */
  public toPhoneNumber(phoneNumber: string, name?: string): this {
    this.paymentData.counterparty_alias = {
      type: 'PHONE_NUMBER',
      value: phoneNumber,
      name
    };
    return this;
  }

  /**
   * Set the description
   */
  public description(description: string): this {
    this.paymentData.description = description;
    return this;
  }

  /**
   * Schedule once at a specific time
   */
  public scheduleOnce(timeStart: string): this {
    this.paymentData.schedule = {
      time_start: timeStart,
      recurrence_unit: 'ONCE',
      recurrence_size: 1
    };
    return this;
  }

  /**
   * Schedule hourly
   */
  public scheduleHourly(timeStart: string, timeEnd?: string, every: number = 1): this {
    this.paymentData.schedule = {
      time_start: timeStart,
      time_end: timeEnd,
      recurrence_unit: 'HOURLY',
      recurrence_size: every
    };
    return this;
  }

  /**
   * Schedule daily
   */
  public scheduleDaily(timeStart: string, timeEnd?: string, every: number = 1): this {
    this.paymentData.schedule = {
      time_start: timeStart,
      time_end: timeEnd,
      recurrence_unit: 'DAILY',
      recurrence_size: every
    };
    return this;
  }

  /**
   * Schedule weekly
   */
  public scheduleWeekly(timeStart: string, timeEnd?: string, every: number = 1): this {
    this.paymentData.schedule = {
      time_start: timeStart,
      time_end: timeEnd,
      recurrence_unit: 'WEEKLY',
      recurrence_size: every
    };
    return this;
  }

  /**
   * Schedule monthly
   */
  public scheduleMonthly(timeStart: string, timeEnd?: string, every: number = 1): this {
    this.paymentData.schedule = {
      time_start: timeStart,
      time_end: timeEnd,
      recurrence_unit: 'MONTHLY',
      recurrence_size: every
    };
    return this;
  }

  /**
   * Schedule yearly
   */
  public scheduleYearly(timeStart: string, timeEnd?: string, every: number = 1): this {
    this.paymentData.schedule = {
      time_start: timeStart,
      time_end: timeEnd,
      recurrence_unit: 'YEARLY',
      recurrence_size: every
    };
    return this;
  }

  /**
   * Set custom schedule
   */
  public schedule(options: IScheduleOptions): this {
    this.paymentData.schedule = {
      time_start: options.timeStart,
      time_end: options.timeEnd,
      recurrence_unit: options.recurrenceUnit,
      recurrence_size: options.recurrenceSize
    };
    return this;
  }

  /**
   * Create the scheduled payment
   */
  public async create(): Promise<BunqScheduledPayment> {
    if (!this.paymentData.amount) {
      throw new Error('Amount is required');
    }
    if (!this.paymentData.counterparty_alias) {
      throw new Error('Counterparty is required');
    }
    if (!this.paymentData.description) {
      throw new Error('Description is required');
    }
    if (!this.paymentData.schedule) {
      throw new Error('Schedule is required');
    }

    const scheduledPayment = new BunqScheduledPayment(this.bunqAccount, this.monetaryAccount);
    await scheduledPayment.create(this.paymentData as IBunqScheduledPaymentRequest);
    return scheduledPayment;
  }
}

/**
 * Scheduled instance class for managing individual occurrences
 */
export class BunqScheduledInstance {
  private bunqAccount: BunqAccount;
  private monetaryAccount: BunqMonetaryAccount;
  private schedulePaymentId: number;
  
  public id?: number;
  public state?: string;
  public timeStart?: string;
  public timeEnd?: string;
  public errorMessage?: string;
  public scheduledPayment?: any;
  public resultObject?: any;

  constructor(
    bunqAccount: BunqAccount,
    monetaryAccount: BunqMonetaryAccount,
    schedulePaymentId: number
  ) {
    this.bunqAccount = bunqAccount;
    this.monetaryAccount = monetaryAccount;
    this.schedulePaymentId = schedulePaymentId;
  }

  /**
   * List scheduled instances
   */
  public async list(options?: IBunqPaginationOptions): Promise<any[]> {
    await this.bunqAccount.apiContext.ensureValidSession();
    
    const response = await this.bunqAccount.getHttpClient().list(
      `/v1/user/${this.bunqAccount.userId}/monetary-account/${this.monetaryAccount.id}/schedule-payment/${this.schedulePaymentId}/schedule-instance`,
      options
    );

    return response.Response || [];
  }

  /**
   * Get a specific scheduled instance
   */
  public async get(instanceId: number): Promise<any> {
    await this.bunqAccount.apiContext.ensureValidSession();
    
    const response = await this.bunqAccount.getHttpClient().get(
      `/v1/user/${this.bunqAccount.userId}/monetary-account/${this.monetaryAccount.id}/schedule-payment/${this.schedulePaymentId}/schedule-instance/${instanceId}`
    );

    if (response.Response && response.Response[0]) {
      return response.Response[0].ScheduleInstance;
    }

    throw new Error('Scheduled instance not found');
  }

  /**
   * Update a scheduled instance
   */
  public async update(instanceId: number, updates: any): Promise<void> {
    await this.bunqAccount.apiContext.ensureValidSession();
    
    await this.bunqAccount.getHttpClient().put(
      `/v1/user/${this.bunqAccount.userId}/monetary-account/${this.monetaryAccount.id}/schedule-payment/${this.schedulePaymentId}/schedule-instance/${instanceId}`,
      updates
    );
  }

  /**
   * Cancel a scheduled instance
   */
  public async cancel(instanceId: number): Promise<void> {
    await this.update(instanceId, {
      state: 'CANCELLED'
    });
  }
}