import { ChevronDown } from 'lucide-react'
import Link from 'next/link'
import { useMemo, useState } from 'react'

import ShimmeringLoader from 'components/ui/ShimmeringLoader'
import { useOrganizationsQuery } from 'data/organizations/organizations-query'
import { parseAsString, useQueryState } from 'nuqs'
import { Organization } from 'types'
import { Badge, Button, Card, CardHeader, CardTitle, Input_Shadcn_ } from 'ui'

export interface ProjectClaimChooseOrgProps {
  onSelect: (org: Organization) => void
  maxOrgsToShow?: number
}

export function OrganizationSelector({ onSelect, maxOrgsToShow = 5 }: ProjectClaimChooseOrgProps) {
  const {
    data: organizations = [],
    isLoading: isLoadingOrgs,
    isSuccess: isSuccessOrgs,
    isError: isErrorOrgs,
  } = useOrganizationsQuery()

  const [search, setSearch] = useQueryState(
    'org',
    parseAsString.withDefault('').withOptions({ clearOnDefault: true })
  )
  const [showAll, setShowAll] = useState(false)

  const filteredOrgs = useMemo(() => {
    if (!search) {
      return showAll ? organizations : organizations.slice(0, maxOrgsToShow)
    }
    return organizations.filter((org) => org.name.toLowerCase().includes(search.toLowerCase()))
  }, [organizations, search, showAll, maxOrgsToShow])

  const searchParams = new URLSearchParams(location.search)
  let pathname = location.pathname
  const basePath = process.env.NEXT_PUBLIC_BASE_PATH
  if (basePath) {
    pathname = pathname.replace(basePath, '')
  }

  searchParams.set('returnTo', pathname)

  return (
    <div className="w-full flex flex-col gap-y-4">
      {isLoadingOrgs ? (
        <ShimmeringLoader />
      ) : isErrorOrgs ? (
        <div>Error</div>
      ) : isSuccessOrgs && organizations.length === 0 ? (
        <span className="text-sm text-foreground-light">
          It seems you don't have any organizations yet.
        </span>
      ) : (
        <>
          <Input_Shadcn_
            type="text"
            value={search}
            onChange={(e) => setSearch(e.target.value)}
            placeholder="Search..."
          />
          <div>
            {filteredOrgs.length === 0 && (
              <div className="text-center text-foreground-light py-6">No organizations found.</div>
            )}
            {filteredOrgs.map((org) => (
              <Card
                key={org.id}
                className="hover:bg-surface-200 rounded-none first:rounded-t-lg last:rounded-b-lg -mb-px"
              >
                <CardHeader className="flex flex-row justify-between border-none space-y-0 space-x-2">
                  <CardTitle className="flex items-center gap-2 min-w-0 flex-1">
                    <span className="truncate min-w-0" title={org.name}>
                      {org.name}
                    </span>
                    <Badge className="shrink-0">{org.plan?.name}</Badge>
                  </CardTitle>
                  <Button
                    size="small"
                    onClick={() => {
                      onSelect(org)
                      setSearch('')
                    }}
                    className="shrink-0"
                  >
                    Choose
                  </Button>
                </CardHeader>
              </Card>
            ))}
            {organizations.length > maxOrgsToShow && !showAll && !search && (
              <div className="flex justify-center py-2">
                <Button
                  icon={<ChevronDown className="w-4 h-4" />}
                  size="tiny"
                  onClick={() => {
                    setSearch('')
                    setShowAll(true)
                  }}
                  type="default"
                >
                  Show all organizations
                </Button>
              </div>
            )}
          </div>
        </>
      )}
      <Card className="flex items-center justify-between border-dashed pr-6">
        <CardHeader className="border-none">
          <CardTitle>Need a new organization?</CardTitle>
        </CardHeader>
        <Button size="small" className="" asChild type="default">
          <Link href={`/new?${searchParams.toString()}`}>New Organization</Link>
        </Button>
      </Card>
    </div>
  )
}