tel-theme

#!/usr/bin/env bash
### TEL THEME MANAGER ###
# sealyj 2021 #
version=0.2
FZF_DEFAULT_COMMAND='fd --type f --hidden --follow --exclude .git'
wallpaper_folder=~/.tel/theme/active/wallpaper
themes_folder=~/.tel/theme/inactive
active_theme=~/.tel/theme/active

show_help(){
    printf  "%s\n"\
            "theme and wallpaper manager"\
            "tel-theme [OPTIONS] [PATTERN]"\
            "__________________________"\
	    "OPTIONS"\
            "  -a | --apply		pick + apply a theme from your currently installed themes"\
            "  -f | --file		auto-gen theme based on an image"\
            "  -i | --install		install a TEL theme file package"\
            "  -c | --create		collect and package current files into a theme file"\
	    "  -t | --theme		apply a preconfigured palette (run without args to see list of availible)"\
	    "  -w | --wallpaper		apply a wallpaper only"\
	    "  --alpha 			set background alpha eg FF"\
            "  -h | --help 		display this help message"
}

spinner() {
	# Spinner animation #
	# line before calling spinner() must spawn bg process: eg echo hi;sleep 2 &;spinner	
	# show working spinner
	PID=$!
	i=1
	sp="/-\|"
	echo -n ' '
	while [ -d /proc/$PID ]
	do
		echo -ne "\b${sp:i++%${#sp}:1}"
		sleep 0.1
	done
	echo -ne "\b${CHECK_MARK}" #remove last spinner	
}

restart_tel(){
	tel-restart
	printf "\n\e[33;5;2m Theme\e[m%s press [Return] to restart + apply changes..\n"
	read 
	tel-restart
}

install_theme(){
	selected_theme=$(fd --ignore-case --absolute-path --type f | fzf -e --color=16 --query="$file_search" --prompt="Pick a theme to apply: " --select-1)
	printf "\e[33;5;2m Theme\e[m%s installing theme file: $selected_theme\n"
	cp -f $selected_theme $themes_folder
	printf "\e[33;5;2m Theme\e[m%s installed theme: $selected_theme\n"
}

create_theme(){
	printf "\e[33;5;2m Theme\e[m%s packaging current files into theme\n"
	rm -rf $TMPDIR/tel-theme/* > /dev/null 2>&1
	mkdir -p $TMPDIR/tel-theme/packaging/configs
	mkdir -p $TMPDIR/tel-theme/packaging/wallpaper
	mkdir -p $TMPDIR/tel-theme/packaging/termux
	cd $TMPDIR/tel-theme/packaging
	mkdir -p ~/.tel/theme/inactive >/dev/null 
	cp ~/.tel/theme/active/wallpaper/*.jpg ./wallpaper/
	cp ~/.tel/theme/active/colors.sh .
	cp ~/.tel/configs/theme.conf ./configs/
	cp ~/.termux/termux.properties ./termux
	printf "\e[33;5;2m Theme\e[m%s Enter name for new theme: "
	while [ -z "$new_theme_name" ] ; do
		read new_theme_name
	done
	printf "\e[33;5;2m Theme\e[m%s Enter name of author: "
	read author_theme_name
	tar -v -c -z -f $themes_folder/${new_theme_name}.tar.gz . >&/dev/null &
	spinner
	printf "\e[33;5;2m Theme\e[m finished! \n theme to: $themes_folder/${new_theme_name}"
}

auto_theme(){
	FZF_DEFAULT_OPTS="
--info=inline
--multi
--preview-window=up:60%:follow:sharp
--preview '([[ -f {} ]] && (termimage --size=35x35 {} || bat --theme=base16 --style=numbers --color=always {} || cat {})) || ([[ -d {} ]] && (tree -C {} | less)) || echo {} 2> /dev/null | head -200'
--prompt='∼ ' --pointer='>' --marker='✓'
--bind '?:toggle-preview'
--bind 'ctrl-a:select-all'
--bind 'ctrl-y:execute-silent(echo {+} | pbcopy)'
"

	cd ~
	if [ -z "$@" ] ; then
		file_search="$@" 
	else
		file_search=".jpg"
	fi
	selected_file=$(fd --extension=jpg -e png --follow --absolute-path --hidden --type f | fzf --color=16 --query="$file_search" --prompt="Pick a image to theme from: " --select-1)
	if [ -z $selected_file ] ; then
		exit 1
	fi
	printf "\e[33;5;2m Theme\e[m%s extracting colorscheme from: $selected_file "
	(wal -i "$selected_file" -n -q -s -t -e || (echo 'failed to get colors from file' ; exit 1)) &
	spinner 
	cp -rf ~/.cache/wal/colors.sh ~/.tel/theme/active/
	mkdir -p ~/.tel/theme/active/wallpaper >/dev/null 2>&1
	rm -rf ~/.tel/theme/active/wallpaper/* > /dev/null 2>&1
	cp "$selected_file" ~/.tel/theme/active/wallpaper/
	touch ~/.tel/theme/.flag
	# add flag for setting wallpaper on reboot
	~/.tel/scripts/apply_colors.sh # propagate colors
	restart_tel
}

wal_theme(){
		selected_wal_theme=$(cat ~/.tel/theme/wal_themes | fzf -e --color=16 --query="$@" --prompt="Pick a theme to apply: " --select-1)
		if [ ! -z "$selected_wal_theme" ] ; then 
			wal --theme $selected_wal_theme -n -e -t -s
			cp -f ~/.cache/wal/colors.sh ~/.tel/theme/active/
			~/.tel/scripts/apply_colors.sh -a FF # propagate colors, -a FF is alpha channel
			tel-restart
		else
			exit 1
		fi
}

set_bg_alpha(){
	alpha=$1
	if [ -z $1 ] ; then
		printf "\e[33;5;2m Theme\e[m%s please supply 2 hexidecimal characters "
		exit 1
	fi
	~/.tel/scripts/apply_colors.sh -a $alpha # propagate colors, -a FF is alpha channel
	printf "\e[33;5;2m Theme\e[m%s alpha set, restart to see changes"
}

apply_theme(){
	cd $themes_folder
	file_search="$@"
	selected_file=$(fd --exclude .git --ignore-case --type f | fzf -e --color=16 --query="$file_search" --prompt="Pick a theme to apply: " --select-1)
	if [ -z $selected_file ] ; then
		exit 1
	fi
	printf "\e[33;5;2m Theme\e[m%s applying: $selected_file "
	#unzip
	cd 
	rm -rf $active_theme >/dev/null
	mkdir $active_theme 
	cd $active_theme
	tar -x -U -f $themes_folder/$selected_file . &
	spinner
	touch ~/.tel/theme/.flag
	# add flag for setting wallpaper on reboot
	~/.tel/scripts/apply_colors.sh #propagate colors 
	printf "\n\e[33;5;2m Theme\e[m%s finished applying: $selected_file "
	restart_tel
	}

apply_wallpaper(){
	FZF_DEFAULT_OPTS="
--info=inline
--multi
--preview-window=up:60%:follow:sharp
--preview '([[ -f {} ]] && (termimage --size=35x35 {} || bat --theme=base16 --style=numbers --color=always {} || cat {})) || ([[ -d {} ]] && (tree -C {} | less)) || echo {} 2> /dev/null | head -200'
--prompt='∼ ' --pointer='>' --marker='✓'
--bind '?:toggle-preview'
--bind 'ctrl-a:select-all'
--bind 'ctrl-y:execute-silent(echo {+} | pbcopy)'
"
	cd ~
	if [ -z "$@" ] ; then
		file_search="$@" 
	else
		file_search=".jpg"
	fi
	selected_file=$(fd --extension=jpg -e png --follow --absolute-path --type f | fzf --color=16 --query="$file_search" --prompt="Pick a image to set as wallpaper: " --select-1)
	if [ -z $selected_file ] ; then
		exit 1
	fi
	printf "\e[33;5;2m Theme\e[m%s applying wallpaper: $selected_file "
	termux-wallpaper -f "$selected_file" || echo "Failed to apply $selected_file"
}

main(){
	case "$1" in
		-v | --version)
			printf "\n\e[33;5;2m Theme\e[m%s version: $version"
			exit 0
		;;
		-a | --apply)
			shift
			apply_theme
			exit 0
		;;
		-f | --file)
			shift
			auto_theme
			exit 0
		;;
		-i | --install)
			install_theme
			exit 0
		;;
		-c | --create)
			create_theme
			#read WAL wallpaper
			exit 0
		;;
		-t | --theme)
			shift
			wal_theme "$@"
			exit 0
		;;
		-w | --wallpaper)
			shift
			apply_wallpaper "$@"
			exit 0
		;;
		--alpha)
			shift
			set_bg_alpha "$@"
			exit 0
		;;
		# Display the help message
		-h | --help)
			show_help
			exit 0
		;;
		*)
		show_help
		exit 1
		;;
	esac
}

main $@