Strange Mosquito Image Identifier

function processImage(originalImg, labelText = "Странная разновидность комара", boxColor = "#00ff00", confidence = 99.9) {
    const canvas = document.createElement('canvas');
    const ctx = canvas.getContext('2d');
    
    canvas.width = originalImg.width;
    canvas.height = originalImg.height;

    // Draw the original image onto the canvas
    ctx.drawImage(originalImg, 0, 0);

    // Setup coordinates for the "targeting" bounding box
    const w = canvas.width;
    const h = canvas.height;
    
    // Bounding box dimensions (covering the central 60% of the image)
    const bx = w * 0.2;
    const by = h * 0.2;
    const bw = w * 0.6;
    const bh = h * 0.6;

    // HUD / bounding box styles
    ctx.strokeStyle = boxColor;
    ctx.lineWidth = Math.max(2, w * 0.005);

    // Bracket size for corners
    const bracketSize = Math.min(bw, bh) * 0.15;
    
    // Draw top-left bracket
    ctx.beginPath();
    ctx.moveTo(bx + bracketSize, by);
    ctx.lineTo(bx, by);
    ctx.lineTo(bx, by + bracketSize);
    ctx.stroke();

    // Draw top-right bracket
    ctx.beginPath();
    ctx.moveTo(bx + bw - bracketSize, by);
    ctx.lineTo(bx + bw, by);
    ctx.lineTo(bx + bw, by + bracketSize);
    ctx.stroke();

    // Draw bottom-left bracket
    ctx.beginPath();
    ctx.moveTo(bx + bracketSize, by + bh);
    ctx.lineTo(bx, by + bh);
    ctx.lineTo(bx, by + bh - bracketSize);
    ctx.stroke();

    // Draw bottom-right bracket
    ctx.beginPath();
    ctx.moveTo(bx + bw - bracketSize, by + bh);
    ctx.lineTo(bx + bw, by + bh);
    ctx.lineTo(bx + bw, by + bh - bracketSize);
    ctx.stroke();
    
    // Draw a small crosshair in the very center
    const cx = w / 2;
    const cy = h / 2;
    const ch = Math.max(8, w * 0.015);
    ctx.beginPath();
    ctx.moveTo(cx - ch, cy);
    ctx.lineTo(cx + ch, cy);
    ctx.moveTo(cx, cy - ch);
    ctx.lineTo(cx, cy + ch);
    ctx.stroke();

    // Prepare label text (e.g. "Странная разновидность комара: 99.9% match")
    const displayLabel = `IDENTIFIED: ${labelText} (${confidence}%)`;
    
    // Scale font size based on image width
    const fontSize = Math.max(14, w * 0.025);
    ctx.font = `bold ${fontSize}px Courier New, monospace`;
    const textMetrics = ctx.measureText(displayLabel);
    
    // Calculate text background padding and dimensions
    const pad = Math.max(4, w * 0.01);
    const bgW = textMetrics.width + pad * 2;
    const bgH = fontSize + pad * 2.5; 
    
    const textX = bx;
    let textY = by - bgH - pad;
    
    // Ensure the label text doesn't flow off the top of the canvas
    if (textY < 0) { 
        textY = by + pad;
    }

    // Draw semi-transparent background for text
    ctx.fillStyle = boxColor;
    ctx.globalAlpha = 0.25;
    ctx.fillRect(textX, textY, bgW, bgH);
    
    // Draw border for the text background
    ctx.globalAlpha = 1.0;
    ctx.strokeRect(textX, textY, bgW, bgH);

    // Draw the main text
    ctx.fillStyle = "#ffffff"; 
    // Add text shadow to ensure visibility over bright images
    ctx.shadowColor = '#000000';
    ctx.shadowBlur = 4;
    ctx.textBaseline = "top";
    ctx.fillText(displayLabel, textX + pad, textY + pad);
    
    // Reset shadow for the other HUD elements
    ctx.shadowBlur = 0;
    ctx.fillStyle = boxColor;
    
    // Add some random "techy" targeting numbers underneath the box
    const randLat = (Math.random() * 180 - 90).toFixed(4);
    const randLon = (Math.random() * 360 - 180).toFixed(4);
    const bottomText = `SYS OK | TGT_LOC: ${randLat}, ${randLon} | CONFIDENCE: HIGH`;
    const smallFontSize = Math.max(10, w * 0.015);
    
    ctx.font = `${smallFontSize}px Courier New, monospace`;
    ctx.fillText(bottomText, bx, by + bh + pad);

    // Minor decorative HUD blocks on the left
    for (let i = 0; i < 5; i++) {
        const blkWidth = w * 0.01;
        const blkHeight = h * 0.02;
        const blkY = by + (i * blkHeight * 1.5);
        ctx.fillRect(bx - blkWidth - pad * 2, blkY, blkWidth, blkHeight);
    }

    return canvas;
}