'use client';

import { Activity, MoreHorizontal, Pencil } from 'lucide-react';
import { useRouter, useParams } from 'next/navigation';

import { Button } from '@/components/ui/button';
import {
  DropdownMenu,
  DropdownMenuContent,
  DropdownMenuItem,
  DropdownMenuTrigger,
} from '@/components/ui/dropdown-menu';
import { TagBadge } from '@/components/shared/tag-badge';
import { ListCard, ListCardAvatar, ListCardMeta } from '@/components/shared/list-card';
import { StatusPill, type StatusPillStatus } from '@/components/ui/status-pill';
import { formatCurrency } from '@/lib/utils/currency';
import type { BerthRow } from './berth-columns';
import { mooringLetterDot } from './mooring-letter-tone';

const STATUS_LABELS: Record<string, string> = {
  available: 'Available',
  under_offer: 'Under Offer',
  sold: 'Sold',
};

const BERTH_STATUS_PILL: Record<string, StatusPillStatus> = {
  available: 'available',
  under_offer: 'under_offer',
  sold: 'sold',
};

interface BerthCardProps {
  berth: BerthRow;
}

export function BerthCard({ berth }: BerthCardProps) {
  const router = useRouter();
  const params = useParams<{ portSlug: string }>();
  const portSlug = params?.portSlug ?? '';

  const statusLabel = STATUS_LABELS[berth.status] ?? berth.status;
  const statusPill = BERTH_STATUS_PILL[berth.status] ?? 'pending';
  // Accent stripe groups visually by dock (A-row, B-row, ...). Status is
  // already conveyed by the pill below, so the stripe is dock-keyed.
  const accentClass = mooringLetterDot(berth.mooringNumber) ?? 'bg-slate-300';

  // Dimensions string — Length × Width × Draft (each segment is optional).
  // The avatar already conveys the mooring number, so this becomes the
  // primary "what is this berth" line.
  const dimParts: string[] = [];
  if (berth.lengthM) dimParts.push(`${berth.lengthM}m`);
  if (berth.widthM) dimParts.push(`${berth.widthM}m`);
  if (berth.draftM) dimParts.push(`${berth.draftM}m draft`);
  const dimText = dimParts.length > 0 ? dimParts.join(' × ') : null;

  // Recommended boat size — the most rep-actionable signal in a glance
  // ("can my client's yacht park here?"). Tenure was previously here but
  // dropped: tenure is set per EOI/contract, not per berth, so showing
  // it as a berth property was misleading.
  let boatCapacityText: string | null = null;
  if (berth.nominalBoatSizeM) {
    boatCapacityText = `Fits up to ${berth.nominalBoatSizeM}m`;
  } else if (berth.nominalBoatSize) {
    boatCapacityText = `Fits up to ${berth.nominalBoatSize}ft`;
  }

  // Water depth — operational; matters for deep-keel yachts.
  let waterDepthText: string | null = null;
  if (berth.waterDepthM) {
    const prefix = berth.waterDepthIsMinimum ? '≥ ' : '';
    waterDepthText = `${prefix}${berth.waterDepthM}m deep`;
  }

  // Power label: combine capacity + voltage when both present.
  let powerText: string | null = null;
  if (berth.powerCapacity && berth.voltage) {
    powerText = `${berth.powerCapacity}A / ${berth.voltage}V`;
  } else if (berth.powerCapacity) {
    powerText = `${berth.powerCapacity}A`;
  } else if (berth.voltage) {
    powerText = `${berth.voltage}V`;
  }

  // Secondary meta: boat-capacity · water-depth · price · power. All
  // optional; order favours the highest-utility scan signals first.
  const metaParts: string[] = [];
  if (boatCapacityText) metaParts.push(boatCapacityText);
  if (waterDepthText) metaParts.push(waterDepthText);
  if (berth.price)
    metaParts.push(formatCurrency(berth.price, berth.priceCurrency, { maxFractionDigits: 0 }));
  if (powerText) metaParts.push(powerText);

  const tags = berth.tags ?? [];

  return (
    <ListCard
      href={`/${portSlug}/berths/${berth.id}`}
      ariaLabel={`Berth ${berth.mooringNumber}`}
      accentClassName={accentClass}
      actions={
        <DropdownMenu>
          <DropdownMenuTrigger asChild>
            <Button
              variant="ghost"
              size="icon"
              className="h-9 w-9"
              onClick={(e) => e.stopPropagation()}
              aria-label={`Actions for berth ${berth.mooringNumber}`}
            >
              <MoreHorizontal className="h-4 w-4" aria-hidden />
            </Button>
          </DropdownMenuTrigger>
          <DropdownMenuContent align="end">
            <DropdownMenuItem
              onClick={(e) => {
                e.stopPropagation();
                router.push(`/${portSlug}/berths/${berth.id}`);
              }}
            >
              <Activity className="mr-2 h-3.5 w-3.5" aria-hidden />
              View details
            </DropdownMenuItem>
            <DropdownMenuItem
              onClick={(e) => {
                e.stopPropagation();
                router.push(`/${portSlug}/berths/${berth.id}?edit=true`);
              }}
            >
              <Pencil className="mr-2 h-3.5 w-3.5" aria-hidden />
              Edit
            </DropdownMenuItem>
          </DropdownMenuContent>
        </DropdownMenu>
      }
    >
      <div className="flex items-center gap-3">
        {/* The mooring number IS the avatar — recognisable at a glance
            (A1, B12, …) and eliminates the duplicate berth-number heading
            that previously sat to the right of an anchor icon. */}
        <ListCardAvatar
          initials={berth.mooringNumber}
          className="text-base font-bold tracking-tight"
        />
        <div className="min-w-0 flex-1">
          {/* Primary line: dimensions (L × W × Draft). The avatar
              already carries the area letter, so this slot becomes the
              "what fits here" answer. Falls back gracefully when
              dimensions aren't recorded yet. */}
          <div className="flex items-center justify-between gap-2">
            <p className="min-w-0 truncate text-sm font-semibold text-foreground">
              {dimText ?? <span className="font-normal text-muted-foreground">No dimensions</span>}
            </p>
            <span aria-hidden className="block h-9 w-9 shrink-0" />
          </div>

          {/* Meta line: tenure · price · power. All optional. */}
          {metaParts.length > 0 ? (
            <div className="mt-0.5 flex flex-wrap items-center gap-x-1.5 text-xs text-muted-foreground">
              {metaParts.map((part, i) => (
                <span key={part} className="inline-flex items-center gap-1">
                  {i > 0 ? <span aria-hidden>·</span> : null}
                  <ListCardMeta>{part}</ListCardMeta>
                </span>
              ))}
            </div>
          ) : null}

          {/* Status pill + tags */}
          <div className="mt-1.5 flex flex-wrap items-center gap-1.5">
            <StatusPill status={statusPill}>{statusLabel}</StatusPill>
            {tags.slice(0, 2).map((tag) => (
              <TagBadge key={tag.id} name={tag.name} color={tag.color} />
            ))}
            {tags.length > 2 ? (
              <span className="inline-flex items-center rounded-full bg-secondary px-2 py-0.5 text-xs text-secondary-foreground">
                +{tags.length - 2}
              </span>
            ) : null}
          </div>
        </div>
      </div>
    </ListCard>
  );
}
