audio-ui/components/recording/RecordingSettings.tsx

'use client';

import * as React from 'react';
import { Volume2, Radio } from 'lucide-react';
import { Slider } from '@/components/ui/Slider';
import { cn } from '@/lib/utils/cn';
import type { RecordingSettings as RecordingSettingsType } from '@/lib/hooks/useRecording';

export interface RecordingSettingsProps {
  settings: RecordingSettingsType;
  onInputGainChange: (gain: number) => void;
  onRecordMonoChange: (mono: boolean) => void;
  onSampleRateChange: (sampleRate: number) => void;
  className?: string;
}

const SAMPLE_RATES = [44100, 48000, 96000];

export function RecordingSettings({
  settings,
  onInputGainChange,
  onRecordMonoChange,
  onSampleRateChange,
  className,
}: RecordingSettingsProps) {
  return (
    <div className={cn('space-y-2 p-3 bg-muted/50 rounded border border-border', className)}>
      <div className="text-xs font-medium text-muted-foreground mb-2">Recording Settings</div>

      {/* Input Gain */}
      <div className="flex items-center gap-2">
        <label className="text-xs text-muted-foreground flex items-center gap-1 w-24 flex-shrink-0">
          <Volume2 className="h-3.5 w-3.5" />
          Input Gain
        </label>
        <div className="flex-1">
          <Slider
            value={settings.inputGain}
            onChange={onInputGainChange}
            min={0}
            max={2}
            step={0.1}
          />
        </div>
        <span className="text-xs text-muted-foreground w-12 text-right flex-shrink-0">
          {settings.inputGain === 1 ? '0 dB' : `${(20 * Math.log10(settings.inputGain)).toFixed(1)} dB`}
        </span>
      </div>

      {/* Mono/Stereo Toggle */}
      <div className="flex items-center gap-2">
        <label className="text-xs text-muted-foreground flex items-center gap-1 w-24 flex-shrink-0">
          <Radio className="h-3.5 w-3.5" />
          Channels
        </label>
        <div className="flex gap-1 flex-1">
          <button
            onClick={() => onRecordMonoChange(true)}
            className={cn(
              'flex-1 px-2 py-1 text-xs rounded transition-colors',
              settings.recordMono
                ? 'bg-primary text-primary-foreground'
                : 'bg-muted hover:bg-muted/80 text-muted-foreground'
            )}
          >
            Mono
          </button>
          <button
            onClick={() => onRecordMonoChange(false)}
            className={cn(
              'flex-1 px-2 py-1 text-xs rounded transition-colors',
              !settings.recordMono
                ? 'bg-primary text-primary-foreground'
                : 'bg-muted hover:bg-muted/80 text-muted-foreground'
            )}
          >
            Stereo
          </button>
        </div>
      </div>

      {/* Sample Rate Selection */}
      <div className="flex items-center gap-2">
        <label className="text-xs text-muted-foreground w-24 flex-shrink-0">
          Sample Rate
        </label>
        <div className="flex gap-1 flex-1">
          {SAMPLE_RATES.map((rate) => (
            <button
              key={rate}
              onClick={() => onSampleRateChange(rate)}
              className={cn(
                'flex-1 px-2 py-1 text-xs rounded transition-colors font-mono',
                settings.sampleRate === rate
                  ? 'bg-primary text-primary-foreground'
                  : 'bg-muted hover:bg-muted/80 text-muted-foreground'
              )}
            >
              {rate / 1000}k
            </button>
          ))}
        </div>
      </div>
    </div>
  );
}