"use client";

import * as React from "react";
import { FormState } from "../types";
import { Users, Shield, Monitor, Smartphone, Globe, Lock } from "lucide-react";

interface WebAppStepProps {
  state: FormState;
  updateState: (_updates: Partial<FormState>) => void;
}

export function WebAppStep({ state, updateState }: WebAppStepProps) {
  const toggleUserRole = (role: string) => {
    const current = state.userRoles || [];
    const next = current.includes(role)
      ? current.filter((r) => r !== role)
      : [...current, role];
    updateState({ userRoles: next });
  };

  return (
    <div className="space-y-12">
      {/* Target Audience */}
      <div className="space-y-6">
        <div className="flex items-center gap-4">
          <h4 className="text-2xl font-bold text-slate-900 flex items-center gap-3">
            <Users size={24} className="text-black" /> Zielgruppe
          </h4>
          <span className="px-2 py-1 bg-slate-100 text-slate-500 text-[10px] font-bold uppercase tracking-wider rounded">
            Fokus
          </span>
        </div>
        <div className="grid grid-cols-1 md:grid-cols-2 gap-6">
          {[
            {
              id: "internal",
              label: "Internes Tool",
              desc: "Für Mitarbeiter & Prozesse.",
            },
            {
              id: "external",
              label: "Kunden-Portal",
              desc: "Für Ihre Endnutzer (B2B/B2C).",
            },
          ].map((opt) => (
            <button
              key={opt.id}
              type="button"
              onClick={() => updateState({ targetAudience: opt.id })}
              className={`p-8 rounded-[2rem] border-2 text-left transition-all ${
                state.targetAudience === opt.id
                  ? "border-slate-900 bg-slate-900 text-white"
                  : "border-slate-100 bg-white hover:border-slate-200"
              }`}
            >
              <p className="text-xl font-bold">{opt.label}</p>
              <p
                className={`text-base mt-2 ${state.targetAudience === opt.id ? "text-slate-200" : "text-slate-500"}`}
              >
                {opt.desc}
              </p>
            </button>
          ))}
        </div>
      </div>

      {/* User Roles */}
      <div className="space-y-6">
        <h4 className="text-2xl font-bold text-slate-900">Benutzerrollen</h4>
        <p className="text-lg text-slate-500">Wer wird das System nutzen?</p>
        <div className="flex flex-wrap gap-4">
          {[
            "Administratoren",
            "Manager",
            "Standard-Nutzer",
            "Gäste",
            "Read-Only",
          ].map((role) => (
            <button
              key={role}
              type="button"
              onClick={() => toggleUserRole(role)}
              className={`px-8 py-4 rounded-full border-2 font-bold text-base transition-all ${
                (state.userRoles || []).includes(role)
                  ? "border-slate-900 bg-slate-900 text-white"
                  : "border-slate-100 bg-white hover:border-slate-200"
              }`}
            >
              {role}
            </button>
          ))}
        </div>
      </div>

      {/* Platform Type */}
      <div className="space-y-6">
        <h4 className="text-2xl font-bold text-slate-900 flex items-center gap-3">
          <Monitor size={24} className="text-black" /> Plattform-Fokus
        </h4>
        <div className="grid grid-cols-1 md:grid-cols-3 gap-6">
          {[
            {
              id: "desktop",
              label: "Desktop First",
              icon: <Monitor size={24} />,
            },
            {
              id: "mobile",
              label: "Mobile First",
              icon: <Smartphone size={24} />,
            },
            {
              id: "pwa",
              label: "PWA (Installierbar)",
              icon: <Globe size={24} />,
            },
          ].map((opt) => (
            <button
              key={opt.id}
              type="button"
              onClick={() => updateState({ platformType: opt.id })}
              className={`p-8 rounded-[2rem] border-2 flex flex-col items-center gap-4 transition-all ${
                state.platformType === opt.id
                  ? "border-slate-900 bg-slate-900 text-white"
                  : "border-slate-100 bg-white hover:border-slate-200"
              }`}
            >
              <div
                className={
                  state.platformType === opt.id ? "text-white" : "text-black"
                }
              >
                {opt.icon}
              </div>
              <span className="font-bold text-lg">{opt.label}</span>
            </button>
          ))}
        </div>
      </div>

      {/* Data Sensitivity */}
      <div className="space-y-6">
        <h4 className="text-2xl font-bold text-slate-900 flex items-center gap-3">
          <Shield size={24} className="text-black" /> Datensicherheit
        </h4>
        <div className="grid grid-cols-1 md:grid-cols-2 gap-6">
          {[
            {
              id: "standard",
              label: "Standard",
              desc: "Normale Nutzerdaten & Profile.",
            },
            {
              id: "high",
              label: "Sensibel",
              desc: "Finanzdaten, Gesundheitsdaten oder DSGVO-kritisch.",
            },
          ].map((opt) => (
            <button
              key={opt.id}
              type="button"
              onClick={() => updateState({ dataSensitivity: opt.id })}
              className={`p-8 rounded-[2rem] border-2 text-left transition-all ${
                state.dataSensitivity === opt.id
                  ? "border-slate-900 bg-slate-900 text-white"
                  : "border-slate-100 bg-white hover:border-slate-200"
              }`}
            >
              <p className="text-xl font-bold">{opt.label}</p>
              <p
                className={`text-base mt-2 ${state.dataSensitivity === opt.id ? "text-slate-200" : "text-slate-500"}`}
              >
                {opt.desc}
              </p>
            </button>
          ))}
        </div>
      </div>

      {/* Authentication */}
      <div className="p-10 bg-slate-50 rounded-[3rem] border border-slate-100 space-y-6">
        <h4 className="text-2xl font-bold text-slate-900 flex items-center gap-3">
          <Lock size={24} className="text-black" /> Authentifizierung
        </h4>
        <p className="text-lg text-slate-500">
          Wie sollen sich Nutzer anmelden?
        </p>
        <div className="flex flex-wrap gap-4">
          {[
            "E-Mail / Passwort",
            "Social Login",
            "SSO / SAML",
            "2FA / MFA",
            "Magic Links",
          ].map((method) => (
            <div
              key={method}
              className="px-8 py-4 rounded-full border-2 border-white bg-white font-bold text-base text-slate-400"
            >
              {method}
            </div>
          ))}
        </div>
        <p className="text-xs text-slate-400 italic">
          Details zur Authentifizierung besprechen wir im Erstgespräch.
        </p>
      </div>
    </div>
  );
}
