import { toTypedSchema } from "@vee-validate/zod";
import { storeToRefs } from "pinia";
import { useForm } from "vee-validate";
import { computed, ref, watch } from "vue";
import { useRoute, useRouter } from "vue-router";

import { fullCurrentDate } from "src/constants";
import { invertDate } from "src/functions/invertDate";
import { quasarNotify } from "src/functions/quasarNotify";
import { useCartStore } from "src/stores/cart";
import { useFormStore } from "src/stores/forms";
import { useModalStore } from "src/stores/modalStore";
import { useRangePriceStore } from "src/stores/rangePrice";
import { availabilitySchema } from "src/utils/zod/schemas";
import { rangePriceSchema } from "src/utils/zod/schemas/rangePriceSchema";
import { useLocalStorage } from "./useLocalStorage";

/**
 * Custom hook for managing postal calendar functionality.
 *
 * @param {Object} options - The options for the hook.
 * @param {string} options.modalItem - The modal item.
 * @param {string} options.type - The type of the calendar.
 * @returns {Object} - The hook functions and properties.
 */
export function usePostalCalendar({ modalItem = "", type = "home" }) {
  const route = useRoute();
  const { push } = useRouter();
  const { addItem, getItemSession, removeItem } = useLocalStorage();

  const modalStore = useModalStore();

  const rangePriceStore = useRangePriceStore();
  const { rangeValue } = storeToRefs(rangePriceStore);

  const formStore = useFormStore();
  const { sortProductFilters, availability: availabilityForm } =
    storeToRefs(formStore);

  const cartStore = useCartStore();
  const { addToCart, getProducts } = cartStore;
  const { products, cart } = storeToRefs(cartStore);

  const min = 0;
  const max = 200;
  const category = ref(route.path.split("/")[2]);
  const categoryObj = {
    plantas: "Floranet Plantas",
    ramos: "Floranet Ramos",
  };
  const availability = ref(getItemSession("availability"));

  const availabilityFormKeys = computed(() => {
    return Object.fromEntries(
      Object.entries(availabilityForm.value).filter(
        ([key, value]) => value !== ""
      )
    );
  });

  const isAvailabilityEmpty = computed(() => {
    return (
      Object.keys(availability.value || availabilityFormKeys.value).length === 0
    );
  });

  const isPostalCalendarEmpty = computed(() => {
    if (category.value === "ramos" || category.value === "plantas") {
      const isAvailabilityEmptyForm =
        Object.keys(availabilityFormKeys.value).length === 0;

      return isAvailabilityEmptyForm;
    }

    return isAvailabilityEmpty.value;
  });
  let DATE_INITIAL
  const [YEAR, MONTH, DAY] = fullCurrentDate.replaceAll("/", "-").split("-");
  const CURRENT_DATE = `${DAY}-${MONTH}-${YEAR}`;
  DATE_INITIAL = CURRENT_DATE
  if (availability.value.dateExpired) {
    const [yearStorage, monthStorage, dayStorage] = availability.value.dateExpired.replaceAll("/", "-").split("-");
    const STORAGE_DATE = `${dayStorage}-${monthStorage}-${yearStorage}`;
    DATE_INITIAL = STORAGE_DATE
  }
  const POSTAL_CODE_INITIAL = availability.value.postalCode ? availability.value.postalCode : ""

  const {
    handleSubmit,
    handleReset,
    defineField,
    errors,
    setValues,
    setFieldError,
  } = useForm({
    validateOnMount: false,
    validationSchema: toTypedSchema(
      type !== "filter" ? availabilitySchema : rangePriceSchema
    ),
    initialValues: {
      range: {
        min,
        max,
      },
      postalCode: POSTAL_CODE_INITIAL,
      date: DATE_INITIAL,
    },
    initialTouched: {
      date: availability.value.dateExpired ? true : false,
      postalCode: true,
    },
  });

  const options = {
    validateOnBlur: false,
    validateOnChange: false,
    validateOnInput: false,
    validateOnModelUpdate: false,
  };
  const [calendar, calendarAttrs] = defineField("date", options);
  const [postalCode, postalCodeAttrs] = defineField("postalCode", options);
  const [priceRange, priceRangeAttrs] = defineField("range", options);
  const [dedication, dedicationAttrs] = defineField("dedication");

  watch(errors, (newErrors) => {
    const hasErrors = {
      range: newErrors.range,
      dedication: newErrors.dedication,
    };
    for (const [field, hasError] of Object.entries(hasErrors)) {
      if (hasError) {
        quasarNotify({ message: newErrors[field], type: "erro" });
      }
    }
  });

  watch([() => route.path, () => sortProductFilters.value], ([newPath]) => {
    const categoryPath = newPath.split("/")[2];
    category.value = categoryPath;
    availabilityForm.value.dateExpired = "";
    availability.value.postalCode = "";
    sortProductFilters.value.isOpenOrderFilter = false;
    sortProductFilters.value.order = undefined;
  });

  const removeCart = () => {
    removeItem("cart");
    cart.value = [];
  };

  const onSuccess = async (values) => {
    const handleAvailability = async () => {

      addItem("availability", {
        postalCode: values.postalCode,
        dateExpired: invertDate(values.date),
      });
      removeCart();
      availabilityForm.value.dateExpired = invertDate(values.date);
      availabilityForm.value.postalCode = values.postalCode;

      await getProducts({
        type: categoryObj[category.value],
        postalCode: values.postalCode,
        dateExpired: invertDate(values.date),
      });
    };

    const handleHome = async () => {

      addItem("availability", {
        postalCode: values.postalCode,
        dateExpired: invertDate(values.date),
      });
      availabilityForm.value.dateExpired = invertDate(values.date);
      availabilityForm.value.postalCode = values.postalCode;
      removeCart();

      const callback = async () => {
        await push("/categoria/all");
      };

      await getProducts(
        {
          postalCode: values.postalCode,
          dateExpired: invertDate(values.date),
        },
        callback
      );
    };

    const handleProduct = async () => {

      addItem("availability", {
        postalCode: values.postalCode,
        dateExpired: invertDate(values.date),
      });
      removeCart();
      availabilityForm.value.dateExpired = invertDate(values.date);
      availabilityForm.value.postalCode = values.postalCode;

      await getProducts({
        postalCode: values.postalCode,
        dateExpired: invertDate(values.date),
      });

      const hasProduct = computed(() => {
        return products.value.data.some((item) => {
          const date = new Date(item.dateExpired);
          const day = date.getDate();
          const month = (date.getMonth() + 1).toString().padStart(2, "0");
          const year = date.getFullYear();
          const dateExpired = `${day}/${month}/${year}`;
          const dateSelected = values.date.replaceAll("-", "/");

          const id = +route.path.split("/")[2];

          return (
            item.postalCode === values.postalCode &&
            item.id === id &&
            dateSelected <= dateExpired
          );
        });
      });

      if (!hasProduct.value) {
        quasarNotify({
          message: "Código postal y fecha de caducidad añadidos con éxito",
          type: "success",
        });

        return;
      }

      // go();
      addToCart(products.value.current, dedication);
    };

    const handleFilter = async () => {

      rangeValue.value.max = values.range.max;
      rangeValue.value.min = values.range.min;

      const params = {
        type: categoryObj[category.value],
        minPrice: values.range.min,
        maxPrice: values.range.max,
        postalCode: availabilityForm.value.postalCode,
        dateExpired: availabilityForm.value.dateExpired,
      };

      if (category.value === "all") {
        params.postalCode =
          availability.value.postalCode || availabilityForm.value.postalCode;
        params.dateExpired =
          availability.value.dateExpired || availabilityForm.value.dateExpired;

        const { type, ...rest } = params;
        await getProducts({ ...rest });
        return;
      }

      getProducts(params);
    };

    const handleDefault = () => {
      console.error(
        `INVALID TYPE! TYPE: ${type}, ONLY HOME, PRODUCT AND FILTER ARE VALID!`
      );
    };

    const handlers = {
      availability: handleAvailability,
      home: handleHome,
      product: handleProduct,
      filter: handleFilter,
      default: handleDefault,
    };

    const handler = handlers[type] || handlers.default;
    await handler();

    if (modalItem) {
      modalStore[modalItem] = false;
    }
    handleReset();
  };

  const onError = ({ values, errors, results }) => {
    const hasErrors = {
      postalCode: !!errors.postalCode,
      date: !!errors.date,
    };
    for (const [field, hasError] of Object.entries(hasErrors)) {
      if (hasError) {
        quasarNotify({ message: errors[field], type: "erro" });
      }
    }
  };

  const onSubmit = handleSubmit(onSuccess, onError);

  return {
    onSubmit,
    setValues,
    handleReset,
    modalStore,
    setFieldError,
    isAvailabilityEmpty,
    isPostalCalendarEmpty,
    availabilityFormKeys,
    category,
    fields: {
      calendar,
      calendarAttrs,
      postalCode,
      postalCodeAttrs,
      priceRange,
      priceRangeAttrs,
      dedication,
      dedicationAttrs,
    },
    errors,
  };
}