'use client'

import { useEffect, useMemo, useState } from 'react'

import { coerceToString } from '@/helpers'
import type { PaginationListColumnType } from '@/types'
import PaginatedList from '@/components/PaginatedList'
import StatusChip from '@/components/ui/StatusChip'
import PageNavbar from '@/components/layouts/PageNavbar'
import AdminTableViewButton from '@/components/ui/AdminTableViewButton'
import axiosInstance from '@/config/axios'
import { APP_ROUTES } from '@/constants/routes'
import {
  getIdentityStatus,
  getUserAccountStatus,
  getUserGender,
  getUserType,
  IDENTITY_STATUS_FILTER_ITEMS,
  USER_ACCOUNT_STATUS_FILTER_ITEMS,
  USER_GENDER_FILTER_ITEMS,
  USER_TYPE_FILTER_ITEMS,
} from '@/constants/status'
import { formatToman } from '@/features/admin-users/adminUserDetailUi'
import { formatIranianMobile, formatPersianDate } from '@/lib/formatters'
import { API_ROUTES } from '@/services/config'

interface NamedEntity {
  id: number | string
  name: string
}

interface UserListRow {
  id: string
  cityName?: string | null
  [key: string]: unknown
}

interface FilterOption {
  code: string
  name: string
}

const toSelectFilterItems = (items: NamedEntity[]): FilterOption[] => items.map((item) => ({ code: String(item.id), name: item.name }))

const extractApiList = <T,>(raw: unknown): T[] => {
  if (Array.isArray(raw)) return raw as T[]

  if (typeof raw === 'object' && raw !== null && 'data' in raw) {
    const data = raw.data

    if (Array.isArray(data)) return data as T[]
  }

  return []
}

const UsersPage = () => {
  const [cityFilterItems, setCityFilterItems] = useState<FilterOption[]>([])

  useEffect(() => {
    const loadCities = async () => {
      try {
        const citiesRes = await axiosInstance.get(API_ROUTES.GEOGRAPHY.ALL_CITIES)

        setCityFilterItems(toSelectFilterItems(extractApiList<NamedEntity>(citiesRes.data)))
      } catch {
        setCityFilterItems([])
      }
    }

    void loadCities()
  }, [])

  const columns: PaginationListColumnType[] = useMemo(
    () => [
      {
        field: 'firstName',
        label: 'نام',
        filterable: true,
        type: 'text',
        sortable: false,
      },
      {
        field: 'lastName',
        label: 'نام خانوادگی',
        filterable: true,
        type: 'text',
        sortable: false,
      },
      {
        field: 'mobile',
        label: 'موبایل',
        filterable: true,
        type: 'text',
        sortable: true,
      },
      {
        field: 'cityId',
        label: 'شهر',
        filterable: true,
        type: 'select',
        sortable: false,
        filterItems: cityFilterItems,
      },
      {
        field: 'gender',
        label: 'جنسیت',
        filterable: true,
        type: 'select',
        sortable: false,
        filterItems: USER_GENDER_FILTER_ITEMS,
      },
      {
        field: 'userType',
        label: 'نقش',
        filterable: true,
        type: 'select',
        sortable: false,
        filterItems: USER_TYPE_FILTER_ITEMS,
      },
      {
        field: 'walletBalance',
        label: 'موجودی کیف پول',
        filterable: true,
        type: 'inputFromTo',
        sortable: false,
      },
      {
        field: 'status',
        label: 'وضعیت حساب',
        filterable: true,
        type: 'select',
        sortable: true,
        filterItems: USER_ACCOUNT_STATUS_FILTER_ITEMS,
      },
      {
        field: 'identityStatus',
        label: 'احراز هویت',
        filterable: true,
        type: 'select',
        sortable: false,
        filterItems: IDENTITY_STATUS_FILTER_ITEMS,
      },
      {
        field: 'createdAt',
        label: 'تاریخ ثبت نام',
        filterable: true,
        sortable: true,
        type: 'dateFromTo',
      },
      {
        field: 'lastLoginAt',
        label: 'آخرین ورود',
        filterable: true,
        sortable: true,
        type: 'dateFromTo',
      },
      {
        field: 'actions',
        label: 'عملیات',
      },
    ],
    [cityFilterItems]
  )

  return (
    <section className="h-full w-full text-right">
      <PageNavbar pageTitle="کاربران" />
      <div className="admin-page-container">
        <PaginatedList
          columns={columns}
          url={API_ROUTES.USERS.ADMIN_LIST}
        >
          {{
            mobile: (_row, cellValue) => formatIranianMobile(cellValue),
            cityId: (row) => (row as UserListRow).cityName || '—',
            gender: (_row, cellValue) => <StatusChip {...getUserGender(coerceToString(cellValue))} />,
            userType: (_row, cellValue) => <StatusChip {...getUserType(coerceToString(cellValue))} />,
            walletBalance: (_row, cellValue) => formatToman(cellValue),
            status: (_row, cellValue) => <StatusChip {...getUserAccountStatus(coerceToString(cellValue))} />,
            identityStatus: (_row, cellValue) => <StatusChip {...getIdentityStatus(coerceToString(cellValue))} />,
            lastLoginAt: (_row, cellValue) => formatPersianDate(cellValue),
            createdAt: (_row, cellValue) => formatPersianDate(cellValue),
            actions: (row) => (
              <AdminTableViewButton
                label="مشاهده کاربر"
                mode="navigate"
                to={APP_ROUTES.USER_DETAIL(String(row.id))}
              />
            ),
          }}
        </PaginatedList>
      </div>
    </section>
  )
}

export default UsersPage