import { createFileRoute, useNavigate } from '@tanstack/react-router'
import { useQuery } from '@tanstack/react-query'
import { useState } from 'react'
import { repairBatchListOptions } from '@/api/repairs'
import { usePagination } from '@/hooks/use-pagination'
import { DataTable, type Column } from '@/components/shared/data-table'
import { Button } from '@/components/ui/button'
import { Input } from '@/components/ui/input'
import { Badge } from '@/components/ui/badge'
import { Plus, Search } from 'lucide-react'
import { useAuthStore } from '@/stores/auth.store'
import type { RepairBatch } from '@/types/repair'

export const Route = createFileRoute('/_authenticated/repair-batches/')({
  validateSearch: (search: Record<string, unknown>) => ({
    page: Number(search.page) || 1,
    limit: Number(search.limit) || 25,
    q: (search.q as string) || undefined,
    sort: (search.sort as string) || undefined,
    order: (search.order as 'asc' | 'desc') || 'desc',
  }),
  component: RepairBatchesListPage,
})

const columns: Column<RepairBatch>[] = [
  {
    key: 'batch_number',
    header: 'Batch #',
    sortable: true,
    render: (b) => <span className="font-mono text-sm">{b.batchNumber ?? '-'}</span>,
  },
  {
    key: 'contact',
    header: 'Contact',
    render: (b) => <span className="font-medium">{b.contactName ?? '-'}</span>,
  },
  {
    key: 'status',
    header: 'Status',
    sortable: true,
    render: (b) => <Badge variant="outline">{b.status.replace('_', ' ')}</Badge>,
  },
  {
    key: 'approval',
    header: 'Approval',
    render: (b) => {
      const v = b.approvalStatus === 'approved' ? 'default' : b.approvalStatus === 'rejected' ? 'destructive' : 'secondary'
      return <Badge variant={v}>{b.approvalStatus}</Badge>
    },
  },
  {
    key: 'items',
    header: 'Items',
    render: (b) => <>{b.receivedCount}/{b.itemCount}</>,
  },
  {
    key: 'due_date',
    header: 'Due',
    sortable: true,
    render: (b) => <>{b.dueDate ? new Date(b.dueDate).toLocaleDateString() : '-'}</>,
  },
]

function RepairBatchesListPage() {
  const navigate = useNavigate()
  const hasPermission = useAuthStore((s) => s.hasPermission)
  const { params, setPage, setSearch, setSort } = usePagination()
  const [searchInput, setSearchInput] = useState(params.q ?? '')

  const { data, isLoading } = useQuery(repairBatchListOptions(params))

  function handleSearchSubmit(e: React.FormEvent) {
    e.preventDefault()
    setSearch(searchInput)
  }

  function handleRowClick(batch: RepairBatch) {
    navigate({ to: '/repair-batches/$batchId', params: { batchId: batch.id }, search: { page: 1, limit: 25, q: undefined, sort: undefined, order: 'asc' as const } })
  }

  return (
    <div className="space-y-6">
      <div className="flex items-center justify-between">
        <h1 className="text-2xl font-bold">Repair Batches</h1>
        {hasPermission('repairs.edit') && (
          <Button onClick={() => navigate({ to: '/repair-batches/new' })}>
            <Plus className="mr-2 h-4 w-4" />
            New Batch
          </Button>
        )}
      </div>

      <form onSubmit={handleSearchSubmit} className="flex gap-2 max-w-sm">
        <div className="relative flex-1">
          <Search className="absolute left-3 top-1/2 -translate-y-1/2 h-4 w-4 text-muted-foreground" />
          <Input
            placeholder="Search batches..."
            value={searchInput}
            onChange={(e) => setSearchInput(e.target.value)}
            className="pl-9"
          />
        </div>
        <Button type="submit" variant="secondary">Search</Button>
      </form>

      <DataTable
        columns={columns}
        data={data?.data ?? []}
        loading={isLoading}
        page={params.page}
        totalPages={data?.pagination.totalPages ?? 1}
        total={data?.pagination.total ?? 0}
        sort={params.sort}
        order={params.order}
        onPageChange={setPage}
        onSort={setSort}
        onRowClick={handleRowClick}
      />
    </div>
  )
}
