#!/bin/bash
# Script to fix logo to match old format with EXIF metadata

OLD_LOGO="/coding/logo_old.jpg"
NEW_LOGO="bd-metadata/logo.jpg"
TEMP_LOGO="bd-metadata/logo_temp.jpg"

if [ ! -f "$OLD_LOGO" ]; then
    echo "Error: $OLD_LOGO not found"
    exit 1
fi

if [ ! -f "$NEW_LOGO" ]; then
    echo "Error: $NEW_LOGO not found"
    exit 1
fi

echo "=== Fixing logo metadata ==="
echo "Old logo: $(file $OLD_LOGO)"
echo "New logo: $(file $NEW_LOGO)"
echo ""

# Check if ImageMagick is available
if command -v convert &> /dev/null; then
    echo "Using ImageMagick to fix logo..."
    
    # Extract EXIF from old logo and apply to new logo
    # Resize new logo to exact 640x360, add EXIF metadata similar to old
    convert "$NEW_LOGO" \
        -resize 640x360! \
        -quality 90 \
        -strip \
        -interlace none \
        -colorspace sRGB \
        -set density 86x94 \
        -set units PixelsPerInch \
        -orient top-left \
        "$TEMP_LOGO"
    
    # Copy EXIF orientation from old logo if possible
    if command -v exiftool &> /dev/null; then
        echo "Using exiftool to copy EXIF data..."
        exiftool -overwrite_original -tagsFromFile "$OLD_LOGO" -Orientation "$TEMP_LOGO" 2>/dev/null || true
    fi
    
    mv "$TEMP_LOGO" "$NEW_LOGO"
    echo ""
    echo "Logo fixed! New info:"
    file "$NEW_LOGO"
    ls -lh "$NEW_LOGO"
    
elif command -v exiftool &> /dev/null; then
    echo "Using exiftool to fix metadata..."
    # Copy EXIF data from old to new
    exiftool -overwrite_original \
        -tagsFromFile "$OLD_LOGO" \
        -Orientation \
        -XResolution=86 \
        -YResolution=94 \
        -ResolutionUnit=2 \
        "$NEW_LOGO"
    
    echo "Logo fixed! New info:"
    file "$NEW_LOGO"
    
else
    echo "Error: Need ImageMagick or exiftool installed"
    echo ""
    echo "Install with:"
    echo "  sudo apt install imagemagick"
    echo "  # OR"
    echo "  sudo apt install libimage-exiftool-perl"
    exit 1
fi