import * as GQL from '../types';
import { notifyByTelegramId } from '../utils/notify';
import { BaseService } from './base';
import { CustomersService } from './customers';
import { OrdersService } from './orders';
import { ServicesService } from './services';
import { SlotsService } from './slots';
import { type VariablesOf } from '@graphql-typed-document-node/core';
import { formatDate, formatTime, sumTime } from '@repo/utils/datetime-format';

const STATE_MAP = {
  approved: 'Одобрено',
  cancelled: 'Отменено',
  cancelling: 'Отменяется',
  completed: 'Завершено',
  created: 'Создано',
  scheduled: 'Запланировано',
  unknown: 'Неизвестно',
};
export class NotifyService extends BaseService {
  async orderCreated(variables: {
    input: Omit<VariablesOf<typeof GQL.CreateOrderDocument>['input'], 'time_end'>;
  }) {
    const customersService = new CustomersService(this.customer);
    const slotsService = new SlotsService(this.customer);
    const servicesService = new ServicesService(this.customer);

    const slotId = String(variables.input.slot ?? '');
    const serviceId = String(variables.input.services?.[0] ?? '');
    const timeStart = String(variables.input.time_start ?? '');
    const clientId = String(variables.input.client ?? '');
    const state = String(variables.input.state ?? '');

    const isApproved = state === GQL.Enum_Order_State.Approved;

    const { slot } = await slotsService.getSlot({ documentId: slotId });
    const { service } = await servicesService.getService({ documentId: serviceId });
    const { customer: master } = await customersService.getCustomer({
      documentId: slot?.master?.documentId ?? '',
    });
    const { customer: client } = await customersService.getCustomer({ documentId: clientId });

    const slotDate = formatDate(slot?.date).user();
    const timeStartString = formatTime(timeStart).user();
    const timeEndString = formatTime(
      service?.duration ? sumTime(timeStart, service.duration) : timeStart,
    ).user();

    // Мастеру
    if (master?.telegramId) {
      const message = `✅ <b>Запись создана${isApproved ? ' и подтверждена' : ''}!</b>\n<b>Дата:</b> ${slotDate}\n<b>Время:</b> ${timeStartString} - ${timeEndString}\n<b>Клиент:</b> ${client?.name ?? '-'}\n<b>Услуга:</b> ${service?.name ?? '-'}`;
      await notifyByTelegramId(String(master.telegramId), message);
    }

    // Клиенту
    if (client?.telegramId) {
      const message = `✅ <b>Запись создана${isApproved ? ' и подтверждена' : ''}!</b>\n<b>Дата:</b> ${slotDate}\n<b>Время:</b> ${timeStartString} - ${timeEndString}\n<b>Мастер:</b> ${master?.name ?? '-'}\n<b>Услуга:</b> ${service?.name ?? '-'}`;
      await notifyByTelegramId(String(client.telegramId), message);
    }
  }

  async orderUpdated(variables: VariablesOf<typeof GQL.UpdateOrderDocument>) {
    // Получаем order через OrdersService
    const ordersService = new OrdersService(this.customer);
    const { order } = await ordersService.getOrder({ documentId: variables.documentId });
    if (!order) return;

    const slot = order.slot;
    const service = order.services[0];
    const master = slot?.master;
    const client = order.client;

    const orderStateString = STATE_MAP[order.state || 'unknown'];
    const slotDate = formatDate(slot?.date).user();
    const timeStartString = formatTime(order.time_start ?? '').user();
    const timeEndString = formatTime(order.time_end ?? '').user();

    // Мастеру
    if (master?.telegramId) {
      const message = `✏️ <b>Запись изменена!</b>\n<b>Дата:</b> ${slotDate}\n<b>Время:</b> ${timeStartString} - ${timeEndString}\n<b>Клиент:</b> ${client?.name ?? '-'}\n<b>Услуга:</b> ${service?.name ?? '-'}\n<b>Статус:</b> ${orderStateString}`;
      await notifyByTelegramId(String(master.telegramId), message);
    }

    // Клиенту
    if (client?.telegramId) {
      const message = `✏️ <b>Запись изменена!</b>\n<b>Дата:</b> ${slotDate}\n<b>Время:</b> ${timeStartString} - ${timeEndString}\n<b>Мастер:</b> ${master?.name ?? '-'}\n<b>Услуга:</b> ${service?.name ?? '-'}\n<b>Статус:</b> ${orderStateString}`;
      await notifyByTelegramId(String(client.telegramId), message);
    }
  }
}