'use client'

import { useState } from 'react'
import Link from 'next/link'
import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query'
import { useTranslation } from 'react-i18next'
import { Plus } from 'lucide-react'
import { toast } from 'sonner'
import { api, type PaginatedResponse, type Inspection } from '@/lib/api'
import { DataTable } from '@/components/DataTable'
import { Button } from '@/components/ui/Button'
import { Badge } from '@/components/ui/Badge'
import { Select } from '@/components/ui/Select'

export function InspectionsPage() {
  const { t } = useTranslation()
  const queryClient = useQueryClient()
  const [search, setSearch] = useState('')
  const [status, setStatus] = useState('')
  const [page, setPage] = useState(1)

  const { data, isLoading } = useQuery({
    queryKey: ['inspections', search, status, page],
    queryFn: () =>
      api.get<PaginatedResponse<Inspection>>('/inspections', {
        params: { search: search || undefined, status: status || undefined, page, per_page: 25 },
      }),
  })

  const remove = useMutation({
    mutationFn: (id: number) => api.delete(`/inspections/${id}`),
    onSuccess: () => {
      toast.success(t('inspections.messages.deleted'))
      queryClient.invalidateQueries({ queryKey: ['inspections'] })
    },
    onError: () => toast.error(t('common.somethingWentWrong')),
  })

  const rows = data?.data.data ?? []
  const meta = data?.data.meta

  return (
    <div className="space-y-5">
      <div className="animate-fade-in-up flex flex-wrap items-center justify-between gap-3">
        <h1 className="premium-heading text-2xl font-bold">{t('inspections.title')}</h1>
        <div className="flex gap-2">
          <Link href="/issues">
            <Button size="sm" variant="secondary">
              {t('inspections.issues')}
            </Button>
          </Link>
          <Link href="/inspections/new">
            <Button size="sm">
              <Plus size={14} />
              {t('inspections.create')}
            </Button>
          </Link>
        </div>
      </div>
      <div className="animate-fade-in-up stagger-1">
        <DataTable
          data={rows}
          loading={isLoading}
          emptyMessage={t('common.noResults')}
          onSearch={(q) => {
            setSearch(q)
            setPage(1)
          }}
          searchValue={search}
          searchPlaceholder={t('inspections.search')}
          toolbar={
            <Select
              value={status}
              onChange={(e) => {
                setStatus(e.target.value)
                setPage(1)
              }}
              options={[
                { value: '', label: t('common.allStatuses') },
                ...(['draft', 'submitted', 'approved', 'rejected'] as const).map((value) => ({
                  value,
                  label: t(`inspections.status.${value}`),
                })),
              ]}
            />
          }
          pagination={meta}
          onPageChange={setPage}
          columns={[
            {
              key: 'inspection_number',
              header: t('common.code'),
              className: 'font-mono text-xs',
            },
            {
              key: 'project',
              header: t('inspections.project'),
              render: (r) => r.project?.name || '—',
            },
            {
              key: 'site',
              header: t('inspections.site'),
              render: (r) => r.site?.name || '—',
            },
            {
              key: 'status',
              header: t('common.status'),
              render: (r) => (
                <Badge variant="muted">
                  {t(`inspections.status.${r.status}`, r.status)}
                </Badge>
              ),
            },
            {
              key: 'actions',
              header: '',
              render: (r) => (
                <div className="flex gap-2">
                  <Link
                    href={`/inspections/${r.id}`}
                    className="text-sm text-brand-600 hover:underline"
                  >
                    {t('common.view')}
                  </Link>
                  <button
                    type="button"
                    className="text-sm text-red-600 hover:underline"
                    onClick={() => remove.mutate(r.id)}
                  >
                    {t('common.delete')}
                  </button>
                </div>
              ),
            },
          ]}
        />
      </div>
    </div>
  )
}