.functions

function qcd() {
  case "$1" in
    uclab_onedrive)
      cd "$HOME/OneDrive - University of Pittsburgh/DBMI_Genomics_Analysis_Chandran/Paul"
      ;;
    dasilva)
      cd "$HOME/OneDrive - University of Pittsburgh/DBMI_Genomics_Analysis_Chandran/Paul/dasilva_multiome"
      ;;
    ravida)
      cd "$HOME/OneDrive - University of Pittsburgh/DBMI_Genomics_Analysis_Chandran/Paul/ravida_scrnaseq"
      ;;
    sachdev)
      cd "$HOME/OneDrive - University of Pittsburgh/DBMI_Genomics_Analysis_Chandran/Paul/sachdev_visium"
      ;;
    soong)
      cd "$HOME/OneDrive - University of Pittsburgh/DBMI_Genomics_Analysis_Chandran/Paul/soong_nanostring"
      ;;
    src)
      cd "$HOME/OneDrive - University of Pittsburgh/DBMI_Genomics_Analysis_Chandran/Paul/src"
      ;;
    rnaseq)
      cd "$HOME/OneDrive - University of Pittsburgh/projects/RNAseq"
      ;;
    sct)
      cd "$HOME/OneDrive - University of Pittsburgh/projects/SCT"
      ;;
  esac
  pwd
}
complete -W "uclab_onedrive dasilva ravida sachdev soong src rnaseq sct" qcd


function grep_error() {
  grep -Ei "error|exception|fatal|warning|cannot|can't|uninitialized" "$@"
}

function find_largest_files() {
  local num_files=${1:-10}  # Default to 10 if no argument is provided
#  find . -type f -exec du -ah {} + | sort -rh | head -n "$num_files"  # does not work for OneDrive synced files that do not take up space locally

  find . -type f -printf "%s %p\n" | sort -rn | head -n "$num_files" | \
       numfmt --to=iec-i --suffix=B   # numfmt will choose appropriate unit (MB, GB, etc...)
}

function rmds() {
  echo -e "\nDeleting .DS_Store recursively\n"
  find . -name '.DS_Store' -delete
}

# Replaced with newfiles.sh in ~/bin
#function newfiles() {
#  daysago=${1:-0}   # set default to today which is 0
#  daysparam="$daysago days ago"
#  mydate=$(date -d "$daysparam" '+%Y-%m-%d 00:00:00')
#  echo "Finding newer files than: $mydate" >&2
#  fd -ui -E .DS_Store -E .Rproj.user --type f --change-newer-than "$mydate"
#}

function showprocesses() {
  echo -e "\n${PURPLE}Running processes${NC}"
  echo -e "${GREEN}tmux${NC}" && tmux ls && echo
  echo -e "${GREEN}jobs${NC}" && j && echo
  echo -e "${GREEN}squeue${NC}" && squeue -u $USER -S S -o "%8i %65j %2t %12l %8M %4C %.R %S" --cluster htc,gpu
}

# calculator from https://stackoverflow.com/questions/18093871/how-can-i-do-division-with-variables-in-a-linux-shell
function calc() { awk "BEGIN { print "$*" }"; }

# Start an HTTP server from a directory, optionally specifying the port.
# From Chatgpt
function server() {
    local port="${1:-8000}";
    sleep 1 && open "http://localhost:${port}/" &
    # Use Python 3's http.server module
    python3 -m http.server "$port" --bind 127.0.0.1;
}




########### Git functions
# Use Git’s colored diff when available
hash git &>/dev/null;
if [ $? -eq 0 ]; then
	function diff() {
		git diff --no-index --color-words "$@";
	}
fi;

# `tre` is a shorthand for `tree` with hidden files and color enabled, ignoring
# the `.git` directory, listing directories first. The output gets piped into
# `less` with options to preserve color and line numbers, unless the output is
# small enough for one screen.
function tre() {
	tree -aC -I '.git|node_modules|bower_components' --dirsfirst "$@" | less -FRNX;
}
########### Git functions




# `v` with no arguments opens the current directory in VSCode, otherwise opens the
# given location
function v() {
	if [ $# -eq 0 ]; then
		code .;
	else
		code "$@";
	fi;
}

# `o` with no arguments opens the current directory, otherwise opens the given
# location
function o() {
	if [ $# -eq 0 ]; then
		open .;
	else
		open "$@";
	fi;
}

# Create a new directory and enter it
function mkd() {
	mkdir -p "$@" && cd "$_";
}

# Syntax-highlight JSON strings or files
# Usage: `json '{"foo":42}'` or `echo '{"foo":42}' | json`
function json() {
	if [ -t 0 ]; then # argument
		python3 -mjson.tool <<< "$*" | pygmentize -l javascript;
	else # pipe
		python3 -mjson.tool | pygmentize -l javascript;
	fi;
}

# UTF-8-encode a string of Unicode symbols
function escape() {
	printf "\\\x%s" $(printf "$@" | xxd -p -c1 -u);
	# print a newline unless we’re piping the output to another program
	if [ -t 1 ]; then
		echo ""; # newline
	fi;
}

# Decode \x{ABCD}-style Unicode escape sequences
function unidecode() {
	perl -e "binmode(STDOUT, ':utf8'); print \"$@\"";
	# print a newline unless we’re piping the output to another program
	if [ -t 1 ]; then
		echo ""; # newline
	fi;
}

# Get a character’s Unicode code point
function codepoint() {
	perl -e "use utf8; print sprintf('U+%04X', ord(\"$@\"))";
	# print a newline unless we’re piping the output to another program
	if [ -t 1 ]; then
		echo ""; # newline
	fi;
}

# Show all the names (CNs and SANs) listed in the SSL certificate
# for a given domain
function getcertnames() {
	if [ -z "${1}" ]; then
		echo "ERROR: No domain specified.";
		return 1;
	fi;

	local domain="${1}";
	echo "Testing ${domain}…";
	echo ""; # newline

	local tmp=$(echo -e "GET / HTTP/1.0\nEOT" \
		| openssl s_client -connect "${domain}:443" -servername "${domain}" 2>&1);

	if [[ "${tmp}" = *"-----BEGIN CERTIFICATE-----"* ]]; then
		local certText=$(echo "${tmp}" \
			| openssl x509 -text -certopt "no_aux, no_header, no_issuer, no_pubkey, \
			no_serial, no_sigdump, no_signame, no_validity, no_version");
		echo "Common Name:";
		echo ""; # newline
		echo "${certText}" | grep "Subject:" | sed -e "s/^.*CN=//" | sed -e "s/\/emailAddress=.*//";
		echo ""; # newline
		echo "Subject Alternative Name(s):";
		echo ""; # newline
		echo "${certText}" | grep -A 1 "Subject Alternative Name:" \
			| sed -e "2s/DNS://g" -e "s/ //g" | tr "," "\n" | tail -n +2;
		return 0;
	else
		echo "ERROR: Certificate not found.";
		return 1;
	fi;
}