Image Information Extractor For Big Hero 6 Video Metadata

function processImage(originalImg, metadataStr = "big Hero 6 2014 Wonder Project Amazon Channel Jun 30 2028 1:41:52") {
    // Determine extracted lines based on input
    let extractedLines = [];
    const isDefault = metadataStr.trim() === "big Hero 6 2014 Wonder Project Amazon Channel Jun 30 2028 1:41:52";
    
    if (isDefault) {
        extractedLines = [
            "> Movie Title : Big Hero 6",
            "> Release Year: 2014",
            "> Project     : Wonder Project",
            "> License     : Amazon Channel",
            "> Expiration  : Jun 30 2028",
            "> Duration    : 1:41:52"
        ];
    } else {
        extractedLines = [
            "> EXTRACTED RAW DATA:",
            metadataStr
        ];
    }

    const canvas = document.createElement('canvas');
    const ctx = canvas.getContext('2d');

    // Create a temporary canvas/context just to measure text accurately
    ctx.font = '16px "Courier New", Courier, monospace';
    let maxTextWidth = ctx.measureText("VIDEO METADATA EXTRACTOR").width;
    extractedLines.forEach(line => {
        const w = ctx.measureText(line).width;
        if (w > maxTextWidth) maxTextWidth = w;
    });

    const padding = 20;
    const minCanvasWidth = maxTextWidth + (padding * 4) + 150; // extra space for timestamp right-align
    
    // Set actual canvas dimensions
    canvas.width = Math.max(originalImg.width, minCanvasWidth);
    const panelHeight = 90 + (extractedLines.length * 20);
    canvas.height = originalImg.height + panelHeight;

    // 1. Draw overall background
    ctx.fillStyle = '#0a0a0a';
    ctx.fillRect(0, 0, canvas.width, canvas.height);

    // 2. Draw original image (centered if canvas is wider)
    const imgX = (canvas.width - originalImg.width) / 2;
    ctx.drawImage(originalImg, imgX, 0);

    // 3. Add visual HUD/scanning elements over the image
    const p = 15;
    if (originalImg.width > 2 * p && originalImg.height > 2 * p) {
        // Scanning lines
        ctx.fillStyle = 'rgba(0, 255, 204, 0.05)';
        for (let y = 0; y < originalImg.height; y += 4) {
            ctx.fillRect(imgX, y, originalImg.width, 1);
        }

        // Bounding Box
        ctx.strokeStyle = 'rgba(0, 255, 204, 0.6)';
        ctx.lineWidth = 1;
        ctx.strokeRect(imgX + p, p, originalImg.width - 2 * p, originalImg.height - 2 * p);
        
        // Corner Accents
        ctx.lineWidth = 3;
        const l = 25;
        // TL
        ctx.beginPath(); ctx.moveTo(imgX + p, p + l); ctx.lineTo(imgX + p, p); ctx.lineTo(imgX + p + l, p); ctx.stroke();
        // TR
        ctx.beginPath(); ctx.moveTo(imgX + originalImg.width - p - l, p); ctx.lineTo(imgX + originalImg.width - p, p); ctx.lineTo(imgX + originalImg.width - p, p + l); ctx.stroke();
        // BL
        ctx.beginPath(); ctx.moveTo(imgX + p, originalImg.height - p - l); ctx.lineTo(imgX + p, originalImg.height - p); ctx.lineTo(imgX + p + l, originalImg.height - p); ctx.stroke();
        // BR
        ctx.beginPath(); ctx.moveTo(imgX + originalImg.width - p, originalImg.height - p - l); ctx.lineTo(imgX + originalImg.width - p, originalImg.height - p); ctx.lineTo(imgX + originalImg.width - p - l, originalImg.height - p); ctx.stroke();
    }

    // 4. Draw Metadata Panel Background
    const panelY = originalImg.height;
    ctx.fillStyle = '#111111';
    ctx.fillRect(0, panelY, canvas.width, panelHeight);
    
    // Top border of panel
    ctx.fillStyle = '#00ffcc';
    ctx.fillRect(0, panelY, canvas.width, 3);
    
    // 5. Draw Text Content
    ctx.textBaseline = 'top';
    ctx.textAlign = 'left';
    
    // Panel Title
    ctx.font = 'bold 18px "Courier New", Courier, monospace';
    ctx.fillStyle = '#00ffcc';
    ctx.fillText("VIDEO METADATA EXTRACTOR", padding, panelY + padding);
    
    // Separator line
    ctx.strokeStyle = '#333333';
    ctx.lineWidth = 1;
    ctx.beginPath();
    ctx.moveTo(padding, panelY + 45);
    ctx.lineTo(canvas.width - padding, panelY + 45);
    ctx.stroke();

    // Data Lines
    ctx.font = '15px "Courier New", Courier, monospace';
    ctx.fillStyle = '#e0e0e0';
    extractedLines.forEach((line, index) => {
        const y = panelY + 60 + (index * 22);
        ctx.fillText(line, padding, y);
    });

    // 6. Draw System Mock Info on the right side
    const hash = "HASH: " + Math.random().toString(16).substring(2, 10).toUpperCase();
    const systemDate = isDefault ? "2028-06-30T00:00:00Z" : new Date().toISOString().split('T')[0];
    
    ctx.textAlign = 'right';
    ctx.font = '12px "Courier New", Courier, monospace';
    ctx.fillStyle = '#666666';
    ctx.fillText(hash, canvas.width - padding, canvas.height - 25);
    ctx.fillText("SYS_TIME: " + systemDate, canvas.width - padding, canvas.height - 45);
    ctx.fillText("STATUS: MATCH FOUND", canvas.width - padding, canvas.height - 65);

    return canvas;
}