.functions

###
# fzf
###

# fd - cd to selected directory
fd() {
  DIR=`find * -maxdepth 0 -type d -print 2> /dev/null | fzf-tmux` \
    && cd "$DIR"
}

# fda - including hidden directories
fda() {
  local dir
  dir=$(find ${1:-.} -maxdepth 1 -type d 2> /dev/null | fzf +m) && cd "$dir"
}

# fdr - cd to selected parent directory
fdr() {
  local declare dirs=()
  get_parent_dirs() {
    if [[ -d "${1}" ]]; then dirs+=("$1"); else return; fi
    if [[ "${1}" == '/' ]]; then
      for _dir in "${dirs[@]}"; do echo $_dir; done
    else
      get_parent_dirs $(dirname "$1")
    fi
  }
  local DIR=$(get_parent_dirs $(realpath "${1:-$PWD}") | fzf-tmux --tac)
  cd "$DIR"
}

# fbr - checkout git branch (including remote branches), sorted by most recent commit, limit 30 last branches
fbr() {
  local branches branch
  branches=$(git for-each-ref --count=30 --sort=-committerdate refs/heads/ --format="%(refname:short)") &&
  branch=$(echo "$branches" |
           fzf-tmux -d $(( 2 + $(wc -l <<< "$branches") )) +m) &&
  git checkout $(echo "$branch" | sed "s/.* //" | sed "s#remotes/[^/]*/##")
}

# fcs - get git commit sha
# example usage: git rebase -i `fcs`
fcs() {
  local commits commit
  commits=$(git log --color=always --pretty=oneline --abbrev-commit --reverse) &&
  commit=$(echo "$commits" | fzf --tac +s +m -e --ansi --reverse) &&
  echo -n $(echo "$commit" | sed "s/ .*//")
}

# fstash - easier way to deal with stashes
# type fstash to get a list of your stashes
# enter shows you the contents of the stash
# ctrl-d shows a diff of the stash against your current HEAD
# ctrl-b checks the stash out as a branch, for easier merging
fstash() {
  local out q k sha
  while out=$(
    git stash list --pretty="%C(yellow)%h %>(14)%Cgreen%cr %C(blue)%gs" |
    fzf --ansi --no-sort --query="$q" --print-query \
        --expect=ctrl-d,ctrl-b);
  do
    mapfile -t out <<< "$out"
    q="${out[0]}"
    k="${out[1]}"
    sha="${out[-1]}"
    sha="${sha%% *}"
    [[ -z "$sha" ]] && continue
    if [[ "$k" == 'ctrl-d' ]]; then
      git diff $sha
    elif [[ "$k" == 'ctrl-b' ]]; then
      git stash branch "stash-$sha" $sha
      break;
    else
      git stash show -p $sha
    fi
  done
}

# fs [FUZZY PATTERN] - Select selected tmux session
#   - Bypass fuzzy finder if there's only one match (--select-1)
#   - Exit if there's no match (--exit-0)
fs() {
  local session
  session=$(tmux list-sessions -F "#{session_name}" | \
    fzf --query="$1" --select-1 --exit-0) &&
  tmux switch-client -t "$session"
}

ftd() {
  local session
  session=$(tmux list-sessions -F "#{session_name}" | \
    fzf --query="$1" --select-1 --exit-0) &&
  tmux kill-session -t "$session"
}

# fgshow - git commit browser
fgshow() {
  git log --graph --color=always \
      --format="%C(auto)%h%d %s %C(black)%C(bold)%cr" "$@" |
  fzf --ansi --no-sort --reverse --tiebreak=index --bind=ctrl-s:toggle-sort \
      --bind "ctrl-m:execute:
                (grep -o '[a-f0-9]\{7\}' | head -1 |
                xargs -I % sh -c 'git show --color=always % | less -R') << 'FZF-EOF'
                {}
FZF-EOF"
}

# fgsha - get git commit sha
# example usage: git rebase -i `fcs`
fgsha() {
  local commits commit
  commits=$(git log --color=always --pretty=oneline --abbrev-commit --reverse "$@") &&
  commit=$(echo "$commits" | fzf --tac +s +m -e --ansi --reverse) &&
  echo -n $(echo "$commit" | sed "s/ .*//")
}

# check if uri is up
isup() {
	local uri=$1

	if curl -s --head  --request GET "$uri" | grep "200 OK" > /dev/null ; then
		notify-send --urgency=critical "$uri is down"
	else
		notify-send --urgency=low "$uri is up"
	fi
}

# Restart the gpg agent.
restart_gpgagent(){
	# shellcheck disable=SC2046
	kill -9 $(pidof scdaemon) >/dev/null 2>&1
	# shellcheck disable=SC2046
	kill -9 $(pidof gpg-agent) >/dev/null 2>&1
	gpg-connect-agent /bye >/dev/null 2>&1
	gpg-connect-agent updatestartuptty /bye >/dev/null 2>&1
}

# get the name of a x window
xname(){
	local window_id=$1

	if [[ -z $window_id ]]; then
		echo "Please specifiy a window id, you find this with 'xwininfo'"

		return 1
	fi

	local match_string='".*"'
	local match_qstring='"[^"\\]*(\\.[^"\\]*)*"' # NOTE: Adds 1 backreference

	# get the name
	xprop -id "$window_id" | \
		sed -nr \
		-e "s/^WM_CLASS\\(STRING\\) = ($match_qstring), ($match_qstring)$/instance=\\1\\nclass=\\3/p" \
		-e "s/^WM_WINDOW_ROLE\\(STRING\\) = ($match_qstring)$/window_role=\\1/p" \
		-e "/^WM_NAME\\(STRING\\) = ($match_string)$/{s//title=\\1/; h}" \
		-e "/^_NET_WM_NAME\\(UTF8_STRING\\) = ($match_qstring)$/{s//title=\\1/; h}" \
		-e "\${g; p}"
}