SnapOtter/apps/web/src/components/tools/blur-faces-settings.tsx

import { useState } from "react";
import { useFileStore } from "@/stores/file-store";
import { useToolProcessor } from "@/hooks/use-tool-processor";
import { Download, Loader2 } from "lucide-react";

export function BlurFacesSettings() {
  const { files } = useFileStore();
  const { processFiles, processing, error, downloadUrl, originalSize, processedSize } =
    useToolProcessor("blur-faces");

  const [blurRadius, setBlurRadius] = useState(30);
  const [sensitivity, setSensitivity] = useState(50);

  const handleProcess = () => {
    processFiles(files, {
      blurRadius,
      sensitivity: sensitivity / 100,
    });
  };

  const hasFile = files.length > 0;

  return (
    <div className="space-y-4">
      {/* Blur radius */}
      <div>
        <div className="flex justify-between items-center">
          <label className="text-xs text-muted-foreground">Blur Radius</label>
          <span className="text-xs font-mono text-foreground">{blurRadius}</span>
        </div>
        <input
          type="range"
          min={5}
          max={80}
          value={blurRadius}
          onChange={(e) => setBlurRadius(Number(e.target.value))}
          className="w-full mt-1"
        />
        <div className="flex justify-between text-[10px] text-muted-foreground mt-0.5">
          <span>Light</span>
          <span>Heavy</span>
        </div>
      </div>

      {/* Sensitivity */}
      <div>
        <div className="flex justify-between items-center">
          <label className="text-xs text-muted-foreground">Detection Sensitivity</label>
          <span className="text-xs font-mono text-foreground">{sensitivity}%</span>
        </div>
        <input
          type="range"
          min={10}
          max={90}
          value={sensitivity}
          onChange={(e) => setSensitivity(Number(e.target.value))}
          className="w-full mt-1"
        />
        <div className="flex justify-between text-[10px] text-muted-foreground mt-0.5">
          <span>More faces</span>
          <span>Fewer false positives</span>
        </div>
      </div>

      {/* Info */}
      <p className="text-[10px] text-muted-foreground">
        Uses MediaPipe for face detection. Automatically detects and blurs all faces in the image.
      </p>

      {/* Error */}
      {error && <p className="text-xs text-red-500">{error}</p>}

      {/* Size info */}
      {originalSize != null && processedSize != null && (
        <div className="text-xs text-muted-foreground space-y-0.5">
          <p>Original: {(originalSize / 1024).toFixed(1)} KB</p>
          <p>Processed: {(processedSize / 1024).toFixed(1)} KB</p>
        </div>
      )}

      {/* Process button */}
      <button
        onClick={handleProcess}
        disabled={!hasFile || processing}
        className="w-full py-2.5 rounded-lg bg-primary text-primary-foreground font-medium disabled:opacity-50 disabled:cursor-not-allowed flex items-center justify-center gap-2"
      >
        {processing && <Loader2 className="h-4 w-4 animate-spin" />}
        {processing ? "Detecting Faces..." : "Blur Faces"}
      </button>

      {/* Progress indicator */}
      {processing && (
        <div className="space-y-2">
          <div className="w-full bg-muted rounded-full h-2 overflow-hidden">
            <div className="h-full bg-primary rounded-full animate-pulse" style={{ width: '100%' }} />
          </div>
          <p className="text-xs text-muted-foreground text-center">
            AI processing may take 10-30 seconds...
          </p>
        </div>
      )}

      {/* Download */}
      {downloadUrl && (
        <a
          href={downloadUrl}
          download
          className="w-full py-2.5 rounded-lg border border-primary text-primary font-medium flex items-center justify-center gap-2 hover:bg-primary/5"
        >
          <Download className="h-4 w-4" />
          Download
        </a>
      )}
    </div>
  );
}