import { type FC, useState, useEffect } from 'react'
import { useFormik } from 'formik'
import * as Yup from 'yup'
import { TickCircle } from 'iconsax-react'
import { toast } from 'react-toastify'
import { useNavigate, useParams } from 'react-router-dom'
import Button from '@/components/Button'
import CreateFoodSidebar from './components/CreateFoodSidebar'
import BasicInfoSection from './components/BasicInfoSection'
import FoodContentSection from './components/FoodContentSection'
import MealTimesSection from './components/MealTimesSection'
import WeekDaysSection from './components/WeekDaysSection'
import ServiceOptionsSection from './components/ServiceOptionsSection'
import type { CreateFoodType } from './types/Types'
import { useUpdateFood, useGetFoodDetails, useGetCategories } from './hooks/useFoodData'
import { useMultipleUpload } from '../uploader/hooks/useUploaderData'
import { Pages } from '@/config/Pages'
import type { ErrorType } from '@/helpers/types'
import { extractErrorMessage } from '@/config/func'

const UpdateFood: FC = () => {
  const { id } = useParams<{ id: string }>()
  const { data: foodData, isLoading } = useGetFoodDetails(id || '')
  const { data: categoriesData } = useGetCategories()
  const [isActive, setIsActive] = useState<boolean>(true)
  const [isSpecial, setIsSpecial] = useState<boolean>(false)
  const [imageFiles, setImageFiles] = useState<File[]>([])
  const [existingImages, setExistingImages] = useState<string[]>([])
  const { mutate: updateFood, isPending } = useUpdateFood()
  const { mutate: multipleUpload, isPending: isUploading } = useMultipleUpload()
  const navigate = useNavigate()
  const categories = categoriesData?.data?.map(category => ({
    label: category.title,
    value: category.id
  })) || []

  const food = foodData?.data

  const formik = useFormik<CreateFoodType>({
    initialValues: {
      title: '',
      desc: '',
      content: [],
      categoryId: '',
      price: 0,
      discount: 0,
      prepareTime: 0,
      weekDays: [],
      mealTypes: [],
      pickupServe: false,
      inPlaceServe: false,
      isActive: true,
      images: [],
      isSpecialOffer: false,
      dailyStock: 0
    },
    validationSchema: Yup.object().shape({
      title: Yup.string().required('نام غذا الزامی است'),
      desc: Yup.string().required('توضیحات غذا الزامی است'),
      categoryId: Yup.string().required('دسته‌بندی الزامی است'),
      price: Yup.number().required('قیمت الزامی است').min(0, 'قیمت باید مثبت باشد'),
      prepareTime: Yup.number().required('زمان آماده‌سازی الزامی است').min(0, 'زمان آماده‌سازی باید مثبت باشد'),
      discount: Yup.number().min(0, 'تخفیف باید مثبت باشد'),
      dailyStock: Yup.number().required('موجودی روزانه الزامی است').min(0, 'موجودی روزانه باید مثبت باشد'),
      content: Yup.array().of(Yup.string()),
      weekDays: Yup.array().of(Yup.number()),
      mealTypes: Yup.array().of(Yup.string())
    }),
    onSubmit: (values) => {
      if (!id) {
        toast.error('شناسه غذا یافت نشد')
        return
      }

      const submitFood = (newImageUrls: string[] = []) => {
        const allImages = [...values.images, ...newImageUrls]
        const foodData: CreateFoodType = {
          ...values,
          isActive,
          isSpecialOffer: isSpecial,
          images: allImages,
          content: values.content.filter(item => item && item.trim().length > 0)
        }

        updateFood({ id, params: foodData }, {
          onSuccess: () => {
            toast.success('غذا با موفقیت به‌روزرسانی شد')
            navigate(Pages.foods.list)
          },
          onError: (error: ErrorType) => {
            toast.error(extractErrorMessage(error))
          }
        })
      }

      if (imageFiles.length > 0) {
        multipleUpload(imageFiles, {
          onSuccess: (response) => {
            const imageUrls = response?.data?.map(item => item.url) || []
            submitFood(imageUrls)
          },
          onError: (error: ErrorType) => {
            toast.error(error?.response?.data?.error?.message[0] || 'خطا در آپلود تصاویر')
          }
        })
      } else {
        submitFood()
      }
    }
  })

  useEffect(() => {
    if (food) {
      formik.setValues({
        title: food.title || '',
        desc: food.desc || '',
        content: food.content || [],
        categoryId: food.category?.id || '',
        price: food.price || 0,
        discount: food.discount || 0,
        prepareTime: food.prepareTime || 0,
        weekDays: food.weekDays || [],
        mealTypes: food.mealTypes || [],
        pickupServe: food.pickupServe || false,
        inPlaceServe: food.inPlaceServe || false,
        isActive: food.isActive || false,
        images: food.images || [],
        isSpecialOffer: food.isSpecialOffer || false,
        dailyStock: food.inventory?.totalStock || 0
      })
      setIsActive(food.isActive || false)
      setIsSpecial(food.isSpecialOffer || false)
      setExistingImages(food.images || [])
    }
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, [food])

  useEffect(() => {
    formik.setFieldValue('images', existingImages)
    // eslint-disable-next-line react-hooks/exhaustive-deps
  }, [existingImages])

  if (isLoading) {
    return (
      <div className='w-full mt-4 flex justify-center items-center'>
        <div>در حال بارگذاری...</div>
      </div>
    )
  }

  if (!food) {
    return (
      <div className='w-full mt-4 flex justify-center items-center'>
        <div>غذا یافت نشد</div>
      </div>
    )
  }

  return (
    <div className='w-full mt-4'>
      <div className='flex flex-col sm:flex-row w-full justify-between items-start sm:items-center gap-4'>
        <div className='text-lg font-light'>
          ویرایش غذا
        </div>
        <div>
          <Button
            className='px-5 w-full sm:w-auto'
            onClick={() => formik.handleSubmit()}
            isloading={isPending || isUploading}
          >
            <div className='flex gap-2 items-center'>
              <TickCircle className='size-5' color='white' />
              <div>ذخیره تغییرات</div>
            </div>
          </Button>
        </div>
      </div>

      <div className='flex flex-col lg:flex-row gap-6 mt-6'>
        <div className='flex-1'>
          <div className='bg-white py-6 sm:py-8 xl:px-10 px-4 rounded-3xl'>
            <BasicInfoSection formik={formik} categories={categories} />
            <FoodContentSection formik={formik} />
            <MealTimesSection formik={formik} />
            <WeekDaysSection formik={formik} />
            <ServiceOptionsSection formik={formik} />
          </div>
        </div>

        <div className='w-full lg:w-auto'>
          <CreateFoodSidebar
            isActive={isActive}
            isSpecial={isSpecial}
            onChangeActive={setIsActive}
            onChangeSpecial={setIsSpecial}
            onChangeImages={setImageFiles}
            existingImages={existingImages}
            onChangeExistingImages={setExistingImages}
          />
        </div>
      </div>
    </div>
  )
}

export default UpdateFood
