#!/usr/bin/env bash

# exit statuses:

# 0 - installed successfully

# 1 - missing program

# 2 - missing library

# 3 - cd error

# 100 - not run as root

if command -v qoi-thumbnail >/dev/null;then

echo ".qoi thumbnailer allready installed"

echo "not about to re-install it"

exit 0

fi

if [[ ! $(id -u) = "0" ]];then

echo "Script needs to be ran as root"

exit 100

fi

if command -v update-mime-database >/dev/null;then

echo "update-mime-database found"

else

echo "update-mime-database not found on path. install it"

exit 1

fi

if command -v convert >/dev/null;then

if convert -h | head -n1 | grep "ImageMagick";then

echo "'convert' from ImageMagick is installed"

else

echo "'convert' is installed but it is not ImageMagick. please put the ImageMagick one on path"

echo "or install the package `imagemagick`"

exit 1

fi

else

echo "'convert' from ImageMagick is not installed"

echo "install it from the package `imagemagick`"

exit 1

fi

hme="$PWD"

if command -v qoiconv >/dev/null;then

echo "found qoiconv on path"

else

echo "qoiconv not found, checking git and gcc"

missing_gcc="y"

missing_git="y"

missing_stb="y"

if command -v git >/dev/null;then

missing_git="n"

fi

if command -v gcc >/dev/null;then

missing_gcc="n"

fi

if [[ -d "/usr/include/stb" ]];then

missing_stb="n"

fi

if [[ "$missing_git" = "n" && "$missing_gcc" = "n" && "$missing_stb" = "n" ]];then

echo "found git, gcc and libstb. installing qoiconv"

mkdir -p /usr/local/opt

cd /usr/local/opt || exit 3

git clone "https://github.com/phoboslab/qoi"

cd qoi || exit 3

gcc qoiconv.c -std=c99 -O3 -o qoiconv -I/usr/include/stb

ln -fs "$PWD/qoiconv" "/usr/local/bin/"

echo "qoiconv installed"

else

echo "missing either git, gcc, and/or libstb."

echo "missing git: $missing_git"

echo "missing gcc: $missing_gcc"

echo "missing libstb: $missing_stb"

exit 1

fi

fi

cd "$hme" || exit 3

echo "quickly chmod x ing the thumbnailer script just in case"

chmod x ./qoi-thumbnail

echo "copying thumbnailer script to /usr/local/bin"

cp ./qoi-thumbnailer/qoi-thumbnailer/local/bin/qoi-thumbnail "/usr/local/bin"

echo "copying .thumbnailer file to /usr/share/thumbnailers"

cp ./qoi-thumbnailer/qoi-thumbnailer/share/thumbnailers/qoi.thumbnailer "/usr/share/thumbnailers"

echo "copying x-qoi.xml to /usr/local/share/mime/packages"

cp ./qoi-thumbnailer/qoi-thumbnailer/share/mime/packages/x-qoi.xml "/usr/local/share/mime/packages"

echo "updateing mime database"

update-mime-database "/usr/local/share/mime"

echo "installing magic number (so 'qoi' images can be picked up via the 'file' command)"

echo "0 string qoif image/x-qoi" >> /etc/magic

echo "!:mime image/x-qoi" >> /etc/magic

echo "Done"