import { Link } from 'react-router-dom';
import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
import { Users, GraduationCap, ChevronRight, Link2, BadgeCheck } from 'lucide-react';
import { Tooltip, TooltipContent, TooltipTrigger } from '@/components/ui/tooltip';
import { useCrew } from '@/hooks/useCrews';
import { useLabProfile } from '@/hooks/useLabProfiles';
import { parseAddrCoord } from '@/lib/types';

/**
 * Small "✓ Verified" pill shown when a link is confirmed from BOTH sides
 * (the crew links the Lab profile AND the Lab profile links the crew). A
 * one-sided claim shows nothing — we never imply trust that isn't mutual.
 */
function MutualBadge() {
  return (
    <Tooltip>
      <TooltipTrigger asChild>
        <span className="inline-flex items-center gap-0.5 rounded-full bg-green-500/15 px-1.5 py-0.5 text-[10px] font-black uppercase leading-none text-green-400">
          <BadgeCheck className="h-3 w-3" />
          Verified
        </span>
      </TooltipTrigger>
      <TooltipContent side="top" className="max-w-[200px] text-xs">
        Both sides confirm this link — the crew and the Lab profile each point at
        the other.
      </TooltipContent>
    </Tooltip>
  );
}

const LAB_TYPE_LABEL: Record<number, string> = {
  35001: 'Coach',
  35002: 'Filmer',
  35003: 'Editor',
  35004: 'Photographer',
  35005: 'Builder',
  35007: 'Artist',
  35008: 'Graffiti',
  35009: 'Tattoo',
  35010: 'Trainer',
  35011: 'Musician',
};

/**
 * A single linked-crew row, resolved from a `35006:pubkey:d` coordinate.
 * `selfCoord` is the coordinate of the Lab profile showing this card — used to
 * check whether the crew links BACK (mutual = verified).
 */
function CrewRow({ coord, selfCoord }: { coord: string; selfCoord?: string }) {
  const parsed = parseAddrCoord(coord);
  const { data: crew } = useCrew(parsed?.identifier ?? '', parsed?.pubkey);

  if (!parsed) return null;

  const mutual = !!selfCoord && !!crew?.labRefs?.includes(selfCoord);

  return (
    <Link
      to={`/crew/${parsed.pubkey}/${parsed.identifier}`}
      className="flex items-center gap-3 rounded-lg border border-gray-700 bg-black/40 p-2.5 hover:bg-black/60 hover:border-teal-500/40 transition-colors"
    >
      <div className="flex h-9 w-9 shrink-0 items-center justify-center overflow-hidden rounded-lg bg-teal-500/15">
        {crew?.image ? (
          <img src={crew.image} alt={crew.name} className="h-full w-full object-cover" />
        ) : (
          <Users className="h-4 w-4 text-teal-400" />
        )}
      </div>
      <div className="min-w-0 flex-1">
        <div className="flex items-center gap-1.5">
          <p className="truncate text-sm font-bold text-white">{crew?.name ?? 'Skate Crew'}</p>
          {mutual && <MutualBadge />}
        </div>
        <p className="text-xs text-teal-400">Crew{crew?.location ? ` · ${crew.location}` : ''}</p>
      </div>
      <ChevronRight className="h-4 w-4 shrink-0 text-gray-500" />
    </Link>
  );
}

/**
 * A single linked-Lab-profile row, resolved from a `kind:pubkey:d` coordinate.
 * `selfCoord` is the coordinate of the crew showing this card — used to check
 * whether the Lab profile links BACK (mutual = verified).
 */
function LabRow({ coord, selfCoord }: { coord: string; selfCoord?: string }) {
  const parsed = parseAddrCoord(coord);
  const { data: profile } = useLabProfile(parsed?.identifier ?? '', parsed?.pubkey);

  if (!parsed) return null;
  const typeLabel = LAB_TYPE_LABEL[parsed.kind] ?? 'Lab';

  const mutual = !!selfCoord && profile?.crewRef === selfCoord;

  return (
    <Link
      to={`/coach/${parsed.pubkey}/${parsed.identifier}`}
      className="flex items-center gap-3 rounded-lg border border-gray-700 bg-black/40 p-2.5 hover:bg-black/60 hover:border-teal-500/40 transition-colors"
    >
      <div className="flex h-9 w-9 shrink-0 items-center justify-center overflow-hidden rounded-lg bg-white/5">
        {profile?.image ? (
          <img src={profile.image} alt={profile.title} className="h-full w-full object-cover" />
        ) : (
          <GraduationCap className="h-4 w-4 text-gray-300" />
        )}
      </div>
      <div className="min-w-0 flex-1">
        <div className="flex items-center gap-1.5">
          <p className="truncate text-sm font-bold text-white">{profile?.title ?? `${typeLabel} profile`}</p>
          {mutual && <MutualBadge />}
        </div>
        <p className="text-xs text-gray-400">In The Lab · {typeLabel}</p>
      </div>
      <ChevronRight className="h-4 w-4 shrink-0 text-gray-500" />
    </Link>
  );
}

/**
 * Card shown on a Lab profile: the crew it belongs to.
 * `selfCoord` is this Lab profile's own coordinate (`kind:pubkey:d`) so the row
 * can show a "Verified" badge when the crew links back.
 */
export function LinkedCrewCard({ crewRef, selfCoord }: { crewRef?: string; selfCoord?: string }) {
  if (!crewRef) return null;
  return (
    <Card className="bg-gray-900 border-gray-700">
      <CardHeader className="pb-3">
        <CardTitle className="flex items-center gap-2 text-base">
          <Link2 className="h-4 w-4 text-teal-400" /> Part of a Crew
        </CardTitle>
      </CardHeader>
      <CardContent>
        <CrewRow coord={crewRef} selfCoord={selfCoord} />
      </CardContent>
    </Card>
  );
}

/**
 * Card shown on a crew: the Lab service profiles it links to.
 * `selfCoord` is the crew's own coordinate (`35006:pubkey:d`) so each row can
 * show a "Verified" badge when that Lab profile links back to this crew.
 */
export function LinkedLabCard({ labRefs, selfCoord }: { labRefs: string[]; selfCoord?: string }) {
  if (!labRefs || labRefs.length === 0) return null;
  return (
    <Card className="bg-gray-900 border-gray-700">
      <CardHeader className="pb-3">
        <CardTitle className="flex items-center gap-2 text-base">
          <Link2 className="h-4 w-4 text-teal-400" /> Hire This Crew
        </CardTitle>
        <p className="text-xs text-gray-500">Services this crew offers in The Lab</p>
      </CardHeader>
      <CardContent className="space-y-2">
        {labRefs.map((coord) => (
          <LabRow key={coord} coord={coord} selfCoord={selfCoord} />
        ))}
      </CardContent>
    </Card>
  );
}