filebin() {
    basePath=/srv/www/files
    ssh ymir find "${basePath}" -type f -print0 \
	| while IFS= read -r -d $'\0' p; do
	printf "https://f.141.li/%s\n" "${p#${basePath}/}"
	done
}

genmail() {
    local baseName=""
    local target=""
    if [[ ${#@} -ge 1 ]]; then
        target=${1}
        shift
    fi

    if [[ ${#@} -ge 1 ]]; then
        baseName=$(pwgen ${@})
    else
        baseName=$(pwgen -v -A -0 16 1)
    fi
    baseName=$(tr -cd $'[:alnum:]!#$%&*+-/=?^_{|}~.' <<<${baseName})
    address=${baseName}@141.li
    insertAddr() {
      echo "${baseName} gkleen" | ssh ymir tee -a /srv/mail/spm 1>/dev/null \
    }

    printf "%s\n" ${address}
    read -q 'cont?Continue [y/N]? ' || return

    insertAddr
}

s() {
    dir=$(pwd)
    [[ ${#@} -ge 1 ]] && dir=$1
    
    shellFile=$(findNix ${@})
    [[ ${#@} -ge 1 ]] && shift

    typeset -a cmd
    if [[ -d ${dir}/.nix-gc-roots ]]; then
        cmd=(persistent-nix-shell ${shellFile} ${S_EXTRA_ARGS} ${@})
    else
        cmd=(nix-shell ${shellFile} ${S_EXTRA_ARGS} ${@})
    fi

    if [[ -n "${S_SYSTEMD}" ]]; then
        systemd-run --user --slice=development.slice --collect -E PATH=${PATH} -p WorkingDirectory=${dir} -- ${cmd}
    else
        (
            cd ${dir}

            exec ${cmd}
        )
    fi
}

sz() {
    typeset -a S_EXTRA_ARGS
    S_EXTRA_ARGS=(--run "env __ETC_ZSHENV_SOURCED=1 zsh") s ${@}
}
st() {
    typeset -a S_EXTRA_ARGS
    S_EXTRA_ARGS=(--run "tmux new-session env __ETC_ZSHENV_SOURCED=1 zsh") s ${@}
}
stt() {
    typeset -a S_EXTRA_ARGS
    S_SYSTEMD=true S_EXTRA_ARGS=(--run "urxvt -e tmux -S .tmux.sock new-session env __ETC_ZSHENV_SOURCED=1 zsh") s ${@}
}
se() {
    typeset -a S_EXTRA_ARGS
    S_SYSTEMD=true S_EXTRA_ARGS=(--run "emacs") s ${@}
}

findNix() {
    if [[ $#@ -eq 0 ]]; then
        findNix $(pwd)
    elif [[ -f "$1" ]]; then
        print ${1:a}
    elif [[ -d "$1" && -f "$1"/shell.nix ]]; then
        print ${1:a}/shell.nix
    elif [[ -d "$1" && -f "$1"/default.nix ]]; then
        print ${1:a}/default.nix
    elif [[ -d "$1" && "$1" != "/" ]]; then
        findNix ${1:h}
    else
        printf "Traversed directories to ‘/’ and found no shell specification\n" >&2
        return 1
    fi
}

dir() {
    curlArchive=false
    templateArchive=""
    repoUrl=""
    nixShell=""
    findNix=false
    dir=""
    forceShell=false
    wormhole=false
    gitWorktree=""
    notmuchMsg=""
    quickserve=false

    while getopts ':t:a:s:Sd:ir:wqg:n:' arg; do
        case $arg in
            "t") ;;
            "a")
                if [[ ${OPTARG} =~ "://" ]]; then
                    templateArchive=${OPTARG}
                    curlArchive=true
                else
                    templateArchive=${OPTARG:a}
                fi
                ;;
            "s") nixShell=${OPTARG:a} ;;
            "S") findNix=true ;;
            "d") dir=${OPTARG} ;;
            "i") forceShell=true ;;
            "r") repoUrl=${OPTARG} ;;
            "w") wormhole=true ;;
            "g") gitWorktree=${OPTARG} ;;
            "n") notmuchMsg=${OPTARG} ;;
	    "q") quickserve=true ;;
            *) printf "Invalid option: %s\n" $arg >&2; exit 2 ;;
        esac
    done
            
    shift $((OPTIND - 1))

    if [[ -z ${dir} && ${#@} -ge 1 ]]; then
        dir=${1}
        shift
    fi

    [[ -n ${dir} ]] || return 2; 

    if [[ ! -e ${dir} ]]; then
        if [[ -z "${gitWorktree}" ]]; then
            mkdir -vp ${dir}
        else
            git -C ${gitWorktree} worktree add ${dir}
        fi
    else
        gitWorktree=""
    fi
            
    (
        cd ${dir}
        export dir;

        ${findNix} && { nixShell=$(findNix) || return $? }

        [[ -n ${repoUrl} ]] && git clone -- ${repoUrl} .
        
        if [[ -n ${templateArchive} ]]; then
            (
                archiveFile=""
                cleanup() {
                    [[ -n "${archiveFile}" ]] && rm -fv ${archiveFile}
                }
                trap cleanup EXIT

                if ${curlArchive}; then
                    archiveFile=$(mktemp -t "archive.XXXXXXXXXX.${templateArchive:t}")

                    curl -L -o ${archiveFile} ${templateArchive}

                    templateArchive=${archiveFile}
                fi

                case $(file --brief --mime-type ${templateArchive}) in
                    application/zip) unzip ${templateArchive} ;;
                    *) tar -xvaf ${templateArchive} ;;
                esac
            )
        fi


        if [[ -n ${notmuchMsg} ]]; then
            getMimeTypes() {
                nix-shell -p mailcap --run "find \${buildInputs} -path '*/etc/mime.types' | head -n 1 | xargs -- cat"
            }

            typeset -a messages
            messages=(${(z)$(notmuch search --output=messages ${notmuchMsg})})
            
            for message (${messages}); do
              typeset -A notmuchAtts
              notmuchAtts=()

              while IFS= read -r -d $'\n' line; do
                  [[ ${line} =~ '(attachment|part)\{ ID: ([0-9]+)' ]] || continue
                  attId=${match[2]}

                  [[ ${line} =~ 'Content-type: multipart/' ]] && continue

                  fName="part_${attId}"
                  [[ ${line} =~ 'Filename: (([^,]|,[^ ])+)' ]] && fName=${match[1]}

                  if [[ ${#messages} -gt 1 ]]; then
                      fName="${message}/${fName}"
                  fi

                  fExt="${fName:e}"
                  [[ -n "${fExt}" ]] && fName="${fName:r}"

                  if [[ -z "${fExt}" && ${line} =~ 'Content-type: (([^,]|,[^ ])+)$' ]]; then
                      fExt=$(getMimeTypes | grep ${match[1]}$'\t' | head -n 1 | awk '{ print $2; }')
                  fi

                  mkdir -p ${fName:h}
                  if [[ -n "${fExt}" ]]; then
                      fName=$(mktemp -p . "${fName}.XXXXXX.${fExt}")
                  else
                      fName=$(mktemp -p . "${fName}.XXXXXX")
                  fi

                  notmuchAtts[${attId}]=${fName}
              done <<(notmuch show --decrypt=false -- ${message} | tr -d $'\f')

              for attId fName in ${(kv)notmuchAtts}; do
                  [[ -d ${fName:h} ]] || mkdir -p ${fName:h}
                  printf "#%d → ‘%s’\n" "${attId}" "${fName}" >&2

                  notmuch show --decrypt=false --part=${attId} -- ${message} | pv -W -D 2 -i 0.1 >${fName}
              done
            done
        fi


        ${wormhole} && wormhole receive

	if ${quickserve}; then
	  quickserve --root . --upload . --show-hidden --tar gz
	fi

        
        if [[ ${#@} -eq 0 ]] || ${forceShell}; then
            if [[ ${#@} -gt 0 ]]; then
                if [[ -z ${nixShell} ]]; then
                    ${@}
                else
                    nix-shell ${nixShell} --run "${@}"
                fi
            fi

            cd $(pwd) # Needed for mounting to work
            
            isSingleDir() {
                typeset -a contents
                contents=(*(N) .*(N))
                    
                if [[ ${#contents} -eq 1 && -d ${contents[1]} ]]; then
                    print ${contents[1]}
                    return 0
                else
                    return 1
                fi
            }
            while d=$(isSingleDir); do cd ${d}; done

            
            if [[ -z ${nixShell} ]]; then
                exec -- zsh
            else
                exec -- nix-shell ${nixShell} --run zsh
            fi
        else
            if [[ -z ${nixShell} ]]; then
                exec -- ${@}
            else
                exec -- nix-shell ${nixShell} --run "${@}"
            fi
        fi
    )
}

tmpdir() {
    cleanup()
    {
      cd /
        unmount() {
            printf "Unmounting %s\n" ${1} >&2
            fusermount -u ${1} || umount ${1} || sudo umount ${1}
        }
        
        if mountpoint -q -- ${dir}; then
            unmount ${dir} || return $?
        else
            while read -d $'\0' subDir; do
                mountpoint -q -- ${subDir} || continue
                unmount ${subDir} || return $?
            done <<<$(find ${dir} -xdev -type d -print0 | sort -zr)
        fi
        
        rm -rfv --one-file-system -- ${dir}
    }

    local tmpdir=""

    while getopts ':t:a:s:Sd:ir:wqg:n:' arg; do
        case $arg in
            "t") tmpdir="=${OPTARG}" ;;
            "?"|":") printf "Invalid option: %s\n" $arg >&2; exit 2 ;;
        esac
    done
            
    (
        trap cleanup EXIT


        local dir=$(mktemp -ud --tmpdir${tmpdir} ${0}.XXXXXXXXXX || return $?)

        dir -d ${dir} ${@}
    )
}

inhibit-sleep() {
    if systemctl --user is-active prevent-suspend.service 1>/dev/null; then
        echo "Allowing suspend"
        systemctl --user stop prevent-suspend.service
    else
        echo "Inhibiting suspend"
        systemctl --user start prevent-suspend.service
    fi
}

qr() {
    qrencode -l M -o - -t ANSIUTF8 $@
}

clock() {
    tty-clock -sSbc -C 7 -d 0 -a 100000000
}

public-ip() {
    curl -s -H 'Accept: application/json' $@ ifconfig.co | jq -r '.ip'
}

nix-ghci() {
    pkgExpr=""
    if [[ ${#@} -gt 0 ]]; then
        pkgExpr="${1}"
        shift
    fi
    
    nix-shell -p "with (import <nixpkgs> {}); pkgs.haskellPackages.ghcWithPackages (p: with p; [${pkgExpr}])" --run "ghci ${@}"
}

swap() {
    f1=${1}
    f2=${2}

    if [[ -z "${f1}" || ! -e "${f1}" ]]; then
        printf "‘%s’ does not exist\n" "${f1}" >&2
        return 2
    fi
    if [[ -z "${f2}" || ! -e "${f2}" ]]; then
        printf "‘%s’ does not exist\n" "${f2}" >&2
        return 2
    fi

    tmpfile=$(mktemp --dry-run --tmpdir=${f1:h} .swap.XXXXXXXXXX)
    mv -v ${f1} ${tmpfile}
    mv -v ${f2} ${f1}
    mv -v ${tmpfile} ${f2}
}

l() {
  exa --binary --git --time-style=iso --long --all --header --group-directories-first --colour=always $@ | less --mouse -FR
}

alias '..'='cd ..'
alias -g L='| less'
alias -g S='&> /dev/null'
alias -g G='| grep'
alias -g B='&> /dev/null &'
alias -g BB='&> /dev/null &!'

export DEFAULT_USER=gkleen
export EDITOR=emacsclient

bindkey -e
bindkey ';5C' emacs-forward-word
bindkey ';5D' emacs-backward-word