#!/bin/bash

# Option 1: PNG zu JPEG konvertieren (meist dramatische Größenreduktion)

for i in `find posts -type f ! -name "thumb-*.png" -name "*.png" | grep -v thumbs`;

do

  filefull="${i##*/}"

  file="${filefull%.[^.]*}"

  ext="${filefull:${#file} + 1}"

  dir=$(echo ${i} | sed -e "s/${file}\.${ext}//")

  source="${dir}${file}.${ext}"

  if [ ! -d ${dir}thumbs/ ];

  then

    mkdir ${dir}thumbs/

  fi

  # Als JPEG speichern für dramatische Größenreduktion

  dest="${dir}thumbs/${file}.jpg"

  if [ -f ${dest} ];

  then

    continue;

  fi;

  # PNG zu JPEG mit weißem Hintergrund (für Transparenz)

  convert ${source} -background white -flatten -quality 85 -strip ${dest};

  echo "convert ${source} -background white -flatten -quality 85 -strip ${dest};"

done

echo -e "\n=== webp Konvertierung ==="

# for i in posts/**/*.{jpg,jpeg,png,JPG,JPEG,PNG}; do

for i in `find posts -type f ! -name "*.svg" ! -name "*.webp" ! -name "*.gif" | grep -v thumbs`; do 

  # echo "i: $i"

  [ ! -f "$i" ] && continue

  filename=$(basename "$i")

  name="${filename%.*}"

  dir=$(dirname "$i")

  output="${dir}/${name}.webp"

  [ -f "$output" ] && continue

  # Dateigröße prüfen

  size=$(stat -f%z "$i" 2>/dev/null || stat -c%s "$i" 2>/dev/null)

  # Qualität basierend auf Dateigröße anpassen

  if [ "$size" -gt 1000000 ]; then  # > 1MB

    quality=75

  elif [ "$size" -gt 500000 ]; then # > 500KB

    quality=80

  else

    quality=85

  fi

  echo "Konvertiere: $i (${size} bytes) -> $output (quality: $quality)"

  cwebp -q $quality "$i" -o "$output"

done

# echo "Generate Thumbnails" 

# for i in `find posts -type f ! -name "*.svg" ! -name "*.webp" | grep -v thumbs`;

# do

#   # echo $i;

#   filefull="${i##*/}"

#   file="${filefull%.[^.]*}"

#   ext="${filefull:${#file} + 1}"

#   dir=$(echo ${i} | sed -e "s/${file}\.${ext}//")

#   source="${dir}${file}.${ext}"

#   if [ ! -d ${dir}thumbs/ ];

#   then

#     mkdir ${dir}thumbs/

#   fi

#   dest="${dir}thumbs/${file}-600x600.${ext}"

#   if [ -f ${dest} ];

#   then

#     continue;

#   fi;

#   convert ${source} -thumbnail 600x600 ${dest}

#   echo "convert ${source} -thumbnail 600x600 ${dest}";

# done

# Option 2: Wenn Sie PNG behalten möchten - mit pngquant (installieren mit: sudo apt install pngquant)

# for i in `find posts -type f ! -name "thumb-*.png" -name "*.png" | grep -v thumbs`;

# do

#   filefull="${i##*/}"

#   file="${filefull%.[^.]*}"

#   ext="${filefull:${#file} + 1}"

#   dir=$(echo ${i} | sed -e "s/${file}\.${ext}//")

#   source="${dir}${file}.${ext}"

#   

#   if [ ! -d ${dir}thumbs/ ];

#   then

#     mkdir ${dir}thumbs/

#   fi

#   dest="${dir}thumbs/${file}.${ext}"

#   

#   if [ -f ${dest} ];

#   then

#     continue;

#   fi;

#   

#   # PNG verlustbehaftet komprimieren (kann 50-80% Größenreduktion bringen)

#   pngquant --quality=65-80 --output ${dest} ${source};

# done

# Option 3: Moderne WebP Format (beste Komprimierung)

# for i in `find posts -type f ! -name "thumb-*.png" -name "*.png" | grep -v thumbs`;

# do

#   filefull="${i##*/}"

#   file="${filefull%.[^.]*}"

#   ext="${filefull:${#file} + 1}"

#   dir=$(echo ${i} | sed -e "s/${file}\.${ext}//")

#   source="${dir}${file}.${ext}"

#   

#   if [ ! -d ${dir}thumbs/ ];

#   then

#     mkdir ${dir}thumbs/

#   fi

#   dest="${dir}thumbs/${file}.webp"

#   

#   if [ -f ${dest} ];

#   then

#     continue;

#   fi;

#   

#   # Als WebP mit hoher Komprimierung

#   convert ${source} -quality 80 -define webp:lossless=false ${dest};

# done

# # Option 1: Einfache Qualitätsreduzierung (empfohlen für die meisten Fälle)

# for i in `find posts -type f ! -name "thumb-*.png" -name "*.png" | grep -v thumbs`;

# do

#   filefull="${i##*/}"

#   file="${filefull%.[^.]*}"

#   ext="${filefull:${#file} + 1}"

#   dir=$(echo ${i} | sed -e "s/${file}\.${ext}//")

#   source="${dir}${file}.${ext}"

#   if [ ! -d ${dir}thumbs/ ];

#   then

#     mkdir ${dir}thumbs/

#   fi

#   dest="${dir}thumbs/${file}.${ext}"

#   # if [ -f ${dest} ];

#   # then

#   #   continue;

#   # fi;

#   # Komprimierung mit reduzierter Qualität (80% ist ein guter Startwert)

#   echo "convert ${source} -quality 80 -strip ${dest};"

#   # convert ${source} -quality 60 -strip ${dest};

#   convert ${source} -quality 30 -strip -interlace Plane -resize '1000x1000>' ${dest};

#   # convert ${source} -strip -define png:compression-level=9 ${dest};

# done

# Option 2: Aggressivere Komprimierung

# convert ${source} -quality 60 -strip -interlace Plane ${dest};

# Option 3: Für PNG spezifisch optimiert

# convert ${source} -strip -define png:compression-level=9 ${dest};

# Option 4: Automatische Optimierung basierend auf Dateigröße

# convert ${source} -quality 85 -strip -resize '2000x2000>' ${dest};

####################################################################################################

# for i in `find posts -type f ! -name "thumb-*.png" -name "*.png" | grep -v thumbs`;

# do

#   filefull="${i##*/}"

#   file="${filefull%.[^.]*}"

#   ext="${filefull:${#file} + 1}"

#   dir=$(echo ${i} | sed -e "s/${file}\.${ext}//")

#   source="${dir}${file}.${ext}"

#   if [ ! -d ${dir}thumbs/ ];

#   then

#     mkdir ${dir}thumbs/

#   fi

#   dest="${dir}thumbs/${file}.${ext}"

#   if [ -f ${dest} ];

#   then

#     continue;

#   fi;

#   convert ${source} -thumbnail 200x200 ${dest};

# done

#################

#for i in `find static/images/galleries -type f ! -name "*-thumb.jpg" -name "*.jpg"`;

#do

#  echo $i;

#  if [ -f ${i%.*}-thumb.jpg ];

#  then

#    continue;

#  fi;

#  convert $i -thumbnail 300x300 ${i%.*}-thumb.jpg;

#done

# for i in `find static/images/galleries -type f ! -name "thumb-*.jpg" -name "*.jpg" | grep -v thumbs`;

# do

#   filefull="${i##*/}"

#   file="${filefull%.[^.]*}"

#   ext="${filefull:${#file} + 1}"

#   dir=$(echo ${i} | sed -e "s/${file}\.${ext}//")

#   source="${dir}${file}.${ext}"

#   if [ ! -d ${dir}thumbs/ ];

#   then

#     mkdir ${dir}thumbs/

#   fi

#   dest="${dir}thumbs/${file}.${ext}"

#   if [ -f ${dest} ];

#   then

#     continue;

#   fi;

#   convert ${source} -thumbnail 300x300 ${dest};

# done

# for i in `find static/img/posts -type f ! -name "*.svg" | grep -v thumbs`;

# do

#   # echo $i;

#   filefull="${i##*/}"

#   file="${filefull%.[^.]*}"

#   ext="${filefull:${#file} + 1}"

#   dir=$(echo ${i} | sed -e "s/${file}\.${ext}//")

#   source="${dir}${file}.${ext}"

#   if [ ! -d ${dir}thumbs/ ];

#   then

#     mkdir ${dir}thumbs/

#   fi

#   dest="${dir}thumbs/${file}.${ext}"

#   if [ -f ${dest} ];

#   then

#     continue;

#   fi;

#   convert ${source} -thumbnail 600x600 ${dest}

#   echo "convert ${source} -thumbnail 300x300 ${dest}";

# done