"use client";
import { useState } from "react";
import { Copy, Package, Clock, Check, Terminal } from "lucide-react";
import { Button } from "@/components/ui/button";
import { Card } from "@/components/ui/card";
import { Badge } from "@/components/ui/badge";
import HudCorners from "@/components/hud-corners";
import { cn } from "@/lib/utils";

type PackageManager = "npm" | "yarn" | "pnpm" | "bun";

interface PackageInstallerProps {
  packageName: string;
  disabled?: boolean;
}

function PackageInstaller({
  packageName,
  disabled = false,
}: PackageInstallerProps) {
  const [selectedPM, setSelectedPM] = useState<PackageManager>("pnpm");
  const [copied, setCopied] = useState(false);

  const packageManagers: {
    value: PackageManager;
    label: string;
    command: string;
  }[] = [
    { value: "pnpm", label: "pnpm", command: `pnpm add ${packageName}` },
    { value: "npm", label: "npm", command: `npm i ${packageName}` },
    { value: "yarn", label: "yarn", command: `yarn add ${packageName}` },
  ];

  const copyToClipboard = async (text: string) => {
    try {
      await navigator.clipboard.writeText(text);
      setCopied(true);
      setTimeout(() => setCopied(false), 2000);
    } catch (err) {
      console.error("Failed to copy:", err);
    }
  };

  const currentCommand =
    packageManagers.find((pm) => pm.value === selectedPM)?.command || "";

  return (
    <div className="max-w-md">
      <div className="space-y-3">
        <div className="flex gap-1 w-fit">
          {packageManagers.map((pm) => (
            <Button
              key={pm.value}
              variant="ghost"
              size="sm"
              onClick={() => setSelectedPM(pm.value)}
              disabled={disabled}
              className={cn(
                "font-mono text-xs px-3 min-w-[60px] h-8 border transition-colors",
                selectedPM === pm.value
                  ? "bg-primary text-primary-foreground border-primary"
                  : "bg-transparent border-input hover:bg-accent hover:text-accent-foreground"
              )}
            >
              {pm.label}
            </Button>
          ))}
        </div>

        <div className="relative">
          <div
            className={cn(
              "border rounded-md p-3 font-mono text-sm transition-colors",
              disabled
                ? "bg-muted/60 dark:bg-black/20 border-dashed border-muted/40 dark:border-muted/20 text-muted-foreground/70 dark:text-muted-foreground/50"
                : "bg-muted/60 dark:bg-black/40 border-border dark:border-white/10 text-foreground dark:text-primary"
            )}
          >
            {currentCommand}
          </div>
          <Button
            variant="outline"
            size="sm"
            onClick={() => copyToClipboard(currentCommand)}
            disabled={disabled}
            className="absolute right-2 top-2 h-7 w-7 p-0 transition-all"
          >
            {disabled ? (
              <Clock className="w-3 h-3" />
            ) : copied ? (
              <Check className="w-3 h-3" />
            ) : (
              <Copy className="w-3 h-3" />
            )}
          </Button>
        </div>
      </div>
    </div>
  );
}

export function SetupCards() {
  return (
    <div className="grid md:grid-cols-2 gap-6 mb-8">
      {/* Web Installation Card */}
      {/* HudCorners creates 4 absolutely positioned corner elements with primary color borders */}
      <HudCorners color="primary" size="sm" layer="front">
        <Card className="h-full border-dashed border border-muted/30">
          {/* This div contains the card content and sits above the corner elements due to relative positioning */}
          <div className="p-6">
            <div className="flex items-center gap-3 mb-4">
              <div className="w-12 h-12 bg-primary/20 rounded-lg flex items-center justify-center">
                <Package className="w-6 h-6 text-primary" />
              </div>
              <div>
                <h3 className="text-xl font-bold text-primary font-mono tracking-wider uppercase">
                  web
                </h3>
                <p className="text-sm text-muted-foreground font-mono">
                  run LeRobot.js in the browser
                </p>
              </div>
            </div>

            <PackageInstaller packageName="@lerobot/web" />
          </div>
        </Card>
      </HudCorners>

      {/* Node.js Card - Coming Soon */}
      <HudCorners color="whiteMuted" size="sm" layer="front">
        <Card className="h-full opacity-60 relative overflow-hidden border-dashed border border-muted/30">
          {/* Disabled overlay effect */}
          <div className="absolute inset-0 bg-gradient-to-br from-transparent via-muted/20 to-muted/40 dark:via-black/20 dark:to-black/40 pointer-events-none" />

          <div className="p-6 relative h-full">
            <div className="flex items-center justify-between mb-4">
              <div className="flex items-center gap-3">
                <div className="w-12 h-12 bg-muted/20 rounded-lg flex items-center justify-center border border-dashed border-muted/30">
                  <Terminal className="w-6 h-6 text-muted-foreground" />
                </div>
                <div>
                  <h3 className="text-xl font-bold text-muted-foreground font-mono tracking-wider uppercase">
                    node
                  </h3>
                  <p className="text-sm text-muted-foreground/70 font-mono">
                    run LeRobot.js on the server
                  </p>
                </div>
              </div>
              <Badge
                variant="outline"
                className="border-dashed border-muted/30 bg-muted/10 text-muted-foreground font-mono text-xs animate-pulse"
              >
                coming soon
              </Badge>
            </div>

            <PackageInstaller packageName="@lerobot/node" disabled />

            {/* Cyberpunk scan lines effect */}
            <div className="absolute inset-0 pointer-events-none">
              <div
                className="absolute inset-0 bg-gradient-to-b from-transparent via-primary/5 to-transparent"
                style={{
                  backgroundImage:
                    "repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(255,255,255,0.03) 2px, rgba(255,255,255,0.03) 4px)",
                }}
              />
            </div>
          </div>
        </Card>
      </HudCorners>
    </div>
  );
}