"use client"

import { useState } from "react"
import Link from "next/link"
import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card"
import { Badge } from "@/components/ui/badge"
import { Button } from "@/components/ui/button"
import {
  Check,
  X,
  ChevronDown,
  ChevronUp,
  Bookmark,
  Trash2,
  GlassWater,
  Loader2,
  Star,
  Clock,
} from "lucide-react"
import { cn } from "@/lib/utils"
import type { RecipeIngredient } from "@/hooks/use-bartender"

export interface RecipeCardData {
  id?: string
  title: string
  ingredients: RecipeIngredient[]
  steps: string[]
  garnish?: string | null
  glassware?: string | null
  notes?: string | null
  missingCount?: number
  sourceDrink?: { id: string; name: string; type: string } | null
}

export type PromoteTarget = "drink" | "wishlist"

interface RecipeCardProps {
  recipe: RecipeCardData
  onSave?: (recipe: RecipeCardData) => void
  onDelete?: (id: string) => void
  onPromote?: (id: string, target: PromoteTarget) => void
  isSaving?: boolean
  isDeleting?: boolean
  /** Which promotion is in flight for this card, if any. */
  promoting?: PromoteTarget | null
  saved?: boolean
}

export function RecipeCard({
  recipe,
  onSave,
  onDelete,
  onPromote,
  isSaving,
  isDeleting,
  promoting,
  saved,
}: RecipeCardProps) {
  const [expanded, setExpanded] = useState(false)

  const availableCount = recipe.ingredients.filter((i) => i.available).length
  const totalCount = recipe.ingredients.length

  return (
    <Card className="overflow-hidden">
      <CardHeader className="pb-3">
        <div className="flex items-start justify-between gap-2">
          <CardTitle className="text-lg leading-tight">
            {recipe.title}
          </CardTitle>
          <div className="flex items-center gap-1 shrink-0">
            {recipe.missingCount !== undefined && (
              <Badge
                variant={recipe.missingCount === 0 ? "default" : "secondary"}
                className={cn(
                  "text-xs",
                  recipe.missingCount === 0 &&
                    "bg-green-500/15 text-green-700 border-green-500/25"
                )}
              >
                {recipe.missingCount === 0
                  ? "Ready"
                  : `Missing ${recipe.missingCount}`}
              </Badge>
            )}
            {!saved && onSave && (
              <Button
                variant="ghost"
                size="sm"
                onClick={() => onSave(recipe)}
                disabled={isSaving}
                className="h-8 w-8 p-0"
              >
                {isSaving ? (
                  <Loader2 className="h-4 w-4 animate-spin" />
                ) : (
                  <Bookmark className="h-4 w-4" />
                )}
              </Button>
            )}
            {saved && recipe.id && onDelete && (
              <Button
                variant="ghost"
                size="sm"
                onClick={() => onDelete(recipe.id!)}
                disabled={isDeleting}
                className="h-8 w-8 p-0 text-destructive hover:text-destructive"
              >
                {isDeleting ? (
                  <Loader2 className="h-4 w-4 animate-spin" />
                ) : (
                  <Trash2 className="h-4 w-4" />
                )}
              </Button>
            )}
          </div>
        </div>

        {recipe.glassware && (
          <div className="flex items-center gap-1.5 text-sm text-muted-foreground">
            <GlassWater className="h-3.5 w-3.5" />
            {recipe.glassware}
          </div>
        )}
      </CardHeader>

      <CardContent className="space-y-3">
        {/* Ingredients */}
        <div>
          <div className="flex items-center justify-between mb-2">
            <h4 className="text-sm font-medium">
              Ingredients
            </h4>
            <span className="text-xs text-muted-foreground">
              {availableCount}/{totalCount} available
            </span>
          </div>
          <ul className="space-y-1">
            {recipe.ingredients.map((ing, i) => (
              <li
                key={i}
                className={cn(
                  "flex items-center gap-2 text-sm",
                  !ing.available && "text-muted-foreground"
                )}
              >
                {ing.available ? (
                  <Check className="h-3.5 w-3.5 text-green-600 shrink-0" />
                ) : (
                  <X className="h-3.5 w-3.5 text-destructive shrink-0" />
                )}
                <span>
                  {ing.amount} {ing.name}
                </span>
              </li>
            ))}
          </ul>
        </div>

        {/* Garnish */}
        {recipe.garnish && (
          <p className="text-sm text-muted-foreground">
            <span className="font-medium text-foreground">Garnish:</span>{" "}
            {recipe.garnish}
          </p>
        )}

        {/* Expandable Steps */}
        <div>
          <button
            onClick={() => setExpanded(!expanded)}
            className="flex items-center gap-1 text-sm font-medium text-primary hover:underline"
          >
            {expanded ? (
              <ChevronUp className="h-4 w-4" />
            ) : (
              <ChevronDown className="h-4 w-4" />
            )}
            {expanded ? "Hide steps" : "Show steps"}
          </button>

          {expanded && (
            <ol className="mt-2 space-y-2">
              {recipe.steps.map((step, i) => (
                <li key={i} className="flex gap-2 text-sm">
                  <span className="shrink-0 flex items-center justify-center h-5 w-5 rounded-full bg-primary/10 text-primary text-xs font-medium">
                    {i + 1}
                  </span>
                  <span>{step}</span>
                </li>
              ))}
            </ol>
          )}
        </div>

        {/* Notes */}
        {expanded && recipe.notes && (
          <div className="rounded-md bg-muted/50 p-3">
            <p className="text-sm text-muted-foreground">{recipe.notes}</p>
          </div>
        )}

        {/*
          A recipe is instructions; a drink is the thing you have an opinion
          about. Promoting links the two rather than converting, so the recipe
          stays here and also shows on the drink's page.
        */}
        {saved && recipe.id && onPromote && (
          <div className="flex flex-wrap gap-2 border-t pt-3">
            {recipe.sourceDrink ? (
              <Button asChild variant="secondary" size="sm">
                <Link href={`/rate/${recipe.sourceDrink.id}`}>
                  <Star className="mr-1.5 h-4 w-4" />
                  Rate this
                </Link>
              </Button>
            ) : (
              <Button
                variant="secondary"
                size="sm"
                disabled={!!promoting}
                onClick={() => onPromote(recipe.id!, "drink")}
              >
                {promoting === "drink" ? (
                  <Loader2 className="mr-1.5 h-4 w-4 animate-spin" />
                ) : (
                  <GlassWater className="mr-1.5 h-4 w-4" />
                )}
                Add to my drinks
              </Button>
            )}

            <Button
              variant="outline"
              size="sm"
              disabled={!!promoting}
              onClick={() => onPromote(recipe.id!, "wishlist")}
            >
              {promoting === "wishlist" ? (
                <Loader2 className="mr-1.5 h-4 w-4 animate-spin" />
              ) : (
                <Clock className="mr-1.5 h-4 w-4" />
              )}
              Try later
            </Button>
          </div>
        )}

        {recipe.sourceDrink && (
          <p className="text-xs text-muted-foreground">
            In your drinks as{" "}
            <Link
              href={`/drinks/${recipe.sourceDrink.id}`}
              className="text-primary underline-offset-4 hover:underline"
            >
              {recipe.sourceDrink.name}
            </Link>
          </p>
        )}
      </CardContent>
    </Card>
  )
}