'use client'
import React from 'react'
import ReactDOM from 'react-dom/client'
import Link from 'next/link'
import {
  keepPreviousData,
  QueryClient,
  useQuery,
} from '@tanstack/react-query'
import { format } from 'date-fns'
import Image from "next/legacy/image"
import {
  PaginationState,
  useReactTable,
  getCoreRowModel,
  ColumnDef,
  flexRender,
} from '@tanstack/react-table'
import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
import { faSpinner } from '@fortawesome/free-solid-svg-icons'

import { fetchStreamData } from '@/app/lib/streams'
import { IStream } from 'types'

const queryClient = new QueryClient()

function getStatusClass(value: string) {
  switch (value) {
    case 'issue':
      return 'is-warning';
    case 'missing':
      return 'is-danger';
    case 'good':
      return 'is-success';
    default:
      return '';
  }
}

export default function StreamsTable() {
  const rerender = React.useReducer(() => ({}), {})[1]


  // image & name
  // title
  // platform
  // date & time
  // archiveStatus
  const columns = React.useMemo<ColumnDef<IStream>[]>(
    () => [
        {
          header: 'VTuber',
          accessorFn: d => ({
            displayName: d.attributes.vtuber.data?.attributes?.displayName, 
            image: d.attributes.vtuber.data?.attributes.image,
            imageBlur: d.attributes.vtuber.data?.attributes.imageBlur
          }),
          cell: info => {
            const { displayName, image, imageBlur } = info.getValue<{ displayName: string, image: string, imageBlur: string }>();
            return (
              <>
                <div className="columns is-mobile">
                  <div className="column mr-0 is-flex-grow-0">
                    <figure className="image is-24x24">
                      <Image
                          className="is-rounded"
                          src={image}
                          alt={displayName}
                          placeholder="blur"
                          objectFit='cover'
                          blurDataURL={imageBlur}
                          width={32}
                          height={32}
                      />
                    </figure>
                  </div>
                  <div className="column ml-0">
                    <span>{displayName}</span>
                  </div>
                </div>
              </>
              )
            }
        },
        {
            header: 'Date',
            accessorFn: d => format(new Date(d.attributes.date2), 'yyyy-MM-dd HH:mm'),
            // accessorFn: d => new Date(d.attributes.date2),
            sortingFn: 'datetime',
            sortDescFirst: true,
            cell: info => (<Link href={`/archive/${info.row.original.attributes.cuid}`}>{info.getValue() as string}</Link>)
        },
        {
            header: 'Platform',
            accessorFn: d => [
              (d.attributes.isChaturbateStream && 'CB'), 
              (d.attributes.isFanslyStream && 'Fansly')
            ].filter(Boolean).join(', ') || '???'
        },
        {
            header: 'Status',
            accessorFn: d => {
              if (!d.attributes.archiveStatus) return 'missing';
              return d.attributes.archiveStatus
            }
        },
    //   {
    //     header: 'Name',
    //     footer: props => props.column.id,
    //     columns: [
    //       {
    //         accessorKey: 'firstName',
    //         cell: info => info.getValue(),
    //         footer: props => props.column.id,
    //       },
    //       {
    //         accessorFn: row => row.lastName,
    //         id: 'lastName',
    //         cell: info => info.getValue(),
    //         header: () => <span>Last Name</span>,
    //         footer: props => props.column.id,
    //       },
    //     ],
    //   },
    ],
    []
  )

  const [pagination, setPagination] = React.useState<PaginationState>({
    pageIndex: 0,
    pageSize: 50,
  })

  const { data, error, isPending } = useQuery({
    queryKey: ['streams', pagination.pageIndex, pagination.pageSize],
    queryFn: () => fetchStreamData(pagination),
    placeholderData: keepPreviousData, // don't have 0 rows flash while changing pages/loading next page,
    staleTime: 1000,
  }, queryClient)

  const defaultData = React.useMemo(() => [], [])

  const table = useReactTable({
    data: data?.rows ?? defaultData,
    columns,
    // pageCount: dataQuery.data?.pageCount ?? -1, //you can now pass in `rowCount` instead of pageCount and `pageCount` will be calculated internally (new in v8.13.0)
    rowCount: data?.rowCount, // new in v8.13.0 - alternatively, just pass in `pageCount` directly
    state: {
      pagination,
    },
    onPaginationChange: setPagination,
    getCoreRowModel: getCoreRowModel(),
    manualPagination: true, //we're doing manual "server-side" pagination
    // getPaginationRowModel: getPaginationRowModel(), // If only doing manual pagination, you don't need this
    debugTable: true,
  })

  return (
    <div className="p-2">
      <div className="h-2" />
      
      {isPending && <FontAwesomeIcon className="mt-5 fa-spin-pulse" icon={faSpinner} ></FontAwesomeIcon> }
      {!isPending && <>
        <table className='table is-hoverable is-fullwidth'>
          <thead>
            {table.getHeaderGroups().map(headerGroup => (
              <tr key={headerGroup.id}>
                {headerGroup.headers.map(header => {
                  return (
                    <th key={header.id} colSpan={header.colSpan}>
                      {header.isPlaceholder ? null : (
                        <div>
                          {flexRender(
                            header.column.columnDef.header,
                            header.getContext()
                          )}
                        </div>
                      )}
                    </th>
                  )
                })}
              </tr>
            ))}
          </thead>
          <tbody>
            {table.getRowModel().rows.map(row => {
              return (
                <tr key={row.id}>
                  {row.getVisibleCells().map(cell => {
                    return (
                      <td 
                        className={getStatusClass(cell.getValue() as string)} 
                        key={cell.id}
                      >
                        {flexRender(
                          cell.column.columnDef.cell,
                          cell.getContext()
                        )}
                      </td>
                    )
                  })}
                </tr>
              )
            })}
          </tbody>
        </table>
      
      
      <div className="columns is-mobile is-vcentered">
        <div className='column is-half'>
          <button
            className="button border rounded mx-1"
            onClick={() => table.firstPage()}
            disabled={!table.getCanPreviousPage()}
          >
            {'<<'}
          </button>
          <button
            className="button border rounded mx-1"
            onClick={() => table.previousPage()}
            disabled={!table.getCanPreviousPage()}
          >
            {'<'}
          </button>
          <button
            className="button border rounded mx-1"
            onClick={() => table.nextPage()}
            disabled={!table.getCanNextPage()}
          >
            {'>'}
          </button>
          <button
            className="button border rounded mx-1"
            onClick={() => table.lastPage()}
            disabled={!table.getCanNextPage()}
          >
            {'>>'}
          </button>
        </div>
        <div className='column is-half'>
          <span>Page </span>
            <strong>
              {table.getState().pagination.pageIndex + 1} of{' '}
              {table.getPageCount().toLocaleString()}
            </strong>
        </div>
      </div>

      {/* second row with page number input and pages-per-screen select */}
      <div className='columns is-mobile is-vcentered'>
        <div className='column is-2 '>
          <span className='is-text-centered'>Go to page:</span>
        </div>
        <div className='column is-3'>
          <input
            type="number"
            defaultValue={table.getState().pagination.pageIndex + 1}
            onChange={e => {
              const page = e.target.value ? Number(e.target.value) - 1 : 0
              table.setPageIndex(page)
            }}
            className="input"
          />
        </div>
        <div className='column is-5'>
          <div className="select">
            <select
              value={table.getState().pagination.pageSize}
              onChange={e => {
                table.setPageSize(Number(e.target.value))
              }}
            >
            {[20, 50, 100].map(pageSize => (
              <option key={pageSize} value={pageSize}>
                Show {pageSize}
              </option>
            ))}
          </select>
          </div>
        </div>
      </div>
        </>}



      </div>
    
  )
}