import { getClientWithToken } from '../apollo/client';
import * as GQL from '../types';
import { formatDate, formatTime } from '../utils/datetime-format';
import { BaseService } from './base';
import { CustomersService } from './customers';
import { type VariablesOf } from '@graphql-typed-document-node/core';

export class SlotsService extends BaseService {
  async createSlot(variables: VariablesOf<typeof GQL.CreateSlotDocument>) {
    const customerService = new CustomersService(this.customer);

    const { customer } = await customerService.getCustomer(this.customer);

    const { mutate } = await getClientWithToken();

    const mutationResult = await mutate({
      mutation: GQL.CreateSlotDocument,
      variables: {
        ...variables,
        date: formatDate(variables.input.date).db(),
        master: customer?.documentId,
        time_end: formatTime(variables.input.time_end).db(),
        time_start: formatTime(variables.input.time_start).db(),
      },
    });

    const error = mutationResult.errors?.at(0);
    if (error) throw new Error(error.message);

    return mutationResult.data;
  }

  async deleteSlot(variables: VariablesOf<typeof GQL.DeleteSlotDocument>) {
    const { mutate } = await getClientWithToken();

    const mutationResult = await mutate({
      mutation: GQL.DeleteSlotDocument,
      variables,
    });

    const error = mutationResult.errors?.at(0);
    if (error) throw new Error(error.message);

    return mutationResult.data;
  }

  async getSlot(variables: VariablesOf<typeof GQL.GetSlotDocument>) {
    const { query } = await getClientWithToken();

    const result = await query({
      query: GQL.GetSlotDocument,
      variables,
    });

    if (result.error) throw new Error(result.error.message);

    return result.data;
  }

  async getSlots(variables: VariablesOf<typeof GQL.GetSlotsDocument>) {
    const { query } = await getClientWithToken();

    const result = await query({
      query: GQL.GetSlotsDocument,
      variables: {
        filters: {
          ...variables.filters,
          date: { eq: formatDate(variables?.filters?.date?.eq).db() },
        },
      },
    });

    if (result.error) throw new Error(result.error.message);

    return result.data;
  }

  async updateSlot(variables: VariablesOf<typeof GQL.UpdateSlotDocument>) {
    const { mutate } = await getClientWithToken();

    const mutationResult = await mutate({
      mutation: GQL.UpdateSlotDocument,
      variables: {
        ...variables,
        date: variables.data?.date ? formatDate(variables.data.date).db() : undefined,
        time_end: variables.data?.time_end ? formatTime(variables.data.time_end).db() : undefined,
        time_start: variables.data?.time_start
          ? formatTime(variables.data.time_start).db()
          : undefined,
      },
    });

    const error = mutationResult.errors?.at(0);
    if (error) throw new Error(error.message);

    return mutationResult.data;
  }
}