import React from 'react';
import { UserSettings } from '../types';
import { X, Volume2, Check, Info, Mic2, Settings2 } from 'lucide-react';
import Tooltip from './Tooltip';
import AudioDeviceSelector from './AudioDeviceSelector';
import { Button } from './ui/button';
import { Card } from './ui/card';
import { Badge } from './ui/badge';
import { ScrollArea } from './ui/scroll-area';

interface SettingsModalProps {
  settings: UserSettings;
  onUpdate: (settings: UserSettings) => void;
  onClose: () => void;
}

interface VoiceOption {
  id: UserSettings['voiceName'];
  label: string;
  gender: 'Male' | 'Female' | 'Neutral';
  style: string;
  description: string;
}

const VOICE_OPTIONS: VoiceOption[] = [
  { id: 'Zephyr', label: 'Zephyr', gender: 'Neutral', style: 'Helpful', description: 'A balanced, clear, and professional tone suitable for most scenarios.' },
  { id: 'Puck', label: 'Puck', gender: 'Male', style: 'Youthful', description: 'Energetic and friendly, ideal for peer-to-peer or informal interactions.' },
  { id: 'Kore', label: 'Kore', gender: 'Female', style: 'Calm', description: 'Soothing and professional, perfect for clinical or high-stress roleplay.' },
  { id: 'Charon', label: 'Charon', gender: 'Male', style: 'Authoritative', description: 'Deep and commanding, useful for workplace or boundary-testing scenarios.' },
  { id: 'Fenrir', label: 'Fenrir', gender: 'Male', style: 'Rugged', description: 'Direct and matter-of-fact tone with a slightly more serious edge.' },
];

const SettingsModal: React.FC<SettingsModalProps> = ({ settings, onUpdate, onClose }) => {
  return (
    <div className="fixed inset-0 z-[100] flex items-center justify-center p-4 bg-slate-900/60 backdrop-blur-md">
      <div className="bg-white rounded-3xl shadow-2xl w-full max-w-xl overflow-hidden animate-in fade-in zoom-in duration-300 border border-slate-100 max-h-[90vh] flex flex-col">
        <div className="p-6 bg-slate-50 border-b border-slate-200 flex justify-between items-center flex-shrink-0">
          <div className="flex items-center gap-3">
            <div className="bg-slate-800 p-2 rounded-xl text-white">
              <Volume2 size={20} />
            </div>
            <div>
              <h2 className="text-lg font-bold text-slate-800">Voice & Persona Settings</h2>
              <p className="text-[10px] text-slate-400 font-bold uppercase tracking-widest">Configure your AI clinical partner</p>
            </div>
          </div>
          <Button variant="ghost" size="icon" onClick={onClose} className="text-slate-400 hover:bg-slate-200 rounded-xl">
            <X size={20} />
          </Button>
        </div>

        <ScrollArea className="p-8 space-y-8 flex-grow">
          <section className="space-y-4 pb-6">
            <div className="flex items-center justify-between">
              <h3 className="text-xs font-black text-slate-400 uppercase tracking-widest flex items-center gap-2">
                <Mic2 size={14} className="text-teal-600" />
                Vocal Profile
              </h3>
              <Tooltip content="Different voices can help simulate specific social or professional contexts.">
                <Info size={14} className="text-slate-300" />
              </Tooltip>
            </div>

            <div className="grid grid-cols-1 gap-3">
              {VOICE_OPTIONS.map((voice) => (
                <Card
                  key={voice.id}
                  onClick={() => onUpdate({ ...settings, voiceName: voice.id, genderPreference: voice.gender, vocalStyle: voice.style })}
                  className={`flex flex-row items-center justify-between p-4 cursor-pointer transition-all ${settings.voiceName === voice.id
                      ? 'bg-teal-50 border-teal-500 shadow-md shadow-teal-100'
                      : 'bg-white border-slate-200 hover:border-teal-200'
                    }`}
                >
                  <div className="flex items-center gap-4">
                    <div className={`w-10 h-10 rounded-full flex items-center shrink-0 justify-center ${settings.voiceName === voice.id ? 'bg-teal-600 text-white' : 'bg-slate-100 text-slate-400'
                      }`}>
                      <Volume2 size={18} />
                    </div>
                    <div>
                      <div className="flex items-center gap-2 mb-1">
                        <span className="font-bold text-slate-800">{voice.label}</span>
                        <Badge variant="secondary" className="text-[9px] font-black uppercase text-slate-500 rounded">
                          {voice.gender} • {voice.style}
                        </Badge>
                      </div>
                      <p className="text-xs text-slate-500 font-light mt-0.5">{voice.description}</p>
                    </div>
                  </div>
                  {settings.voiceName === voice.id && (
                    <div className="bg-teal-600 text-white p-1 rounded-full shrink-0 ml-2">
                      <Check size={14} />
                    </div>
                  )}
                </Card>
              ))}
            </div>
          </section>

          <section className="space-y-4 pb-6">
            <div className="flex items-center justify-between">
              <h3 className="text-xs font-black text-slate-400 uppercase tracking-widest flex items-center gap-2">
                <Settings2 size={14} className="text-teal-600" />
                Hardware Configuration
              </h3>
            </div>

            <AudioDeviceSelector
              selectedDeviceId={settings.preferredAudioDeviceId}
              onSelect={(deviceId) => onUpdate({ ...settings, preferredAudioDeviceId: deviceId })}
            />
          </section>

          <div className="bg-amber-50 border border-amber-100 rounded-2xl p-4 flex gap-3 mb-6">
            <div className="text-amber-600 mt-0.5">
              <Info size={18} />
            </div>
            <p className="text-xs text-amber-800 leading-relaxed">
              These settings apply to <strong>Voice Mode</strong> interactions only. Text-based roleplay personas are dynamically generated based on each specific scenario.
            </p>
          </div>
        </ScrollArea>

        <div className="p-6 bg-slate-50 border-t border-slate-200 flex justify-end flex-shrink-0">
          <Button
            onClick={onClose}
            className="bg-slate-800 text-white px-8 h-12 rounded-2xl font-bold hover:bg-slate-900 shadow-lg shadow-slate-200 transition-all uppercase tracking-widest text-[10px]"
          >
            Save Preferences
          </Button>
        </div>
      </div>
    </div>
  );
};

export default SettingsModal;