#
# Editor
#
export EDITOR="vim"

#
# Pager
#

if (( $+commands[vim] )) && [[ -f ~/.vim/plugged/vimpager/vimpager ]]; then
    export PAGER=~/.vim/plugged/vimpager/vimpager
    alias less="$PAGER"
    alias more="$PAGER"
elif (( $+commands[less] )); then
    export PAGER=less
    alias more="$PAGER"
elif (( $+commands[more] )); then
    export PAGER=more
fi
export GIT_PAGER="$PAGER"

#
# Common aliases / functions
#

if (( $+commands[exa] )); then
    alias ls='exa --group-directories-first'
    alias l='exa --long --grid --group-directories-first --header --blocks --inode --header --group'
    alias lg='exa --long --group-directories-first --grid'
    alias la='exa --all --long --grid --group-directories-first --header --blocks --inode --header --group'
    alias lt='exa --group-directories-first --tree'
else
    export QUOTING_STYLE='literal'
    alias ls='ls --group-directories-first --color=auto'
    alias l='ls --group-directories-first -lsh --color=auto'
    alias la='ls --group-directories-first -lsha --color=auto'
    if (( $+commands[exa] )); then
        alias lt='tree'
    fi
fi

alias rm='rm -i'
alias mv='mv -i'
alias cp='cp -i'

alias vlock='clear;vlock'
alias q='clear;exit'

alias grep="grep --color=auto"
alias egrep="egrep --color=auto"
alias mgrep="grep -rnisH --color=auto"

alias rsu="sudo -E zsh"
alias reloadsh="exec zsh"

alias md="mkdir -p"
mcd() { mkdir -p "$@" && cd "$@" }

ffi() {
    find -iname "$@"
}

#
# Log viewers aliases
#
if (( $+commands[ccze] )); then
    alias alog="tail -n 300 -F /var/log/auth.log | ccze"
    alias mlog="tail -n 300 -F /var/log/mail.log | ccze"
    alias slog="tail -n 300 -F /var/log/syslog | ccze"
    alias xlog="tail -n 300 -F /var/log/Xorg.0.log | ccze"
else
    alias alog="tail -n 300 -F /var/log/auth.log"
    alias mlog="tail -n 300 -F /var/log/mail.log"
    alias slog="tail -n 300 -F /var/log/syslog"
    alias xlog="tail -n 300 -F /var/log/Xorg.0.log"
fi
# using colortail if available (freebsd)
if (( $+commands[colortail] )); then
    alias slog="colortail -n 60 -k /usr/local/share/examples/colortail/conf.messages -f /var/log/syslog"
fi

#
# System tools aliases
#
alias df='df -h'
if (( $+commands[pydf] )); then
    alias df="pydf -h"
fi

function mount() {
    if [ $# = 0 ]; then
        command mount -lv | column -t
    else
        command mount $@
    fi
}

#
# Sysadmin stuff
#
if (( $+commands[dig] )); then
    alias mx="dig +short MX"
    alias ns="dig +short NS"
elif (( $+commands[host] )); then
    alias mx="host -t MX"
    alias ns="host -t NS"
fi

alias scp_nosec="scp -o 'StrictHostKeyChecking=no' -o 'UserKnownHostsFile=/dev/null'"
alias ssh_nosec="ssh -o 'StrictHostKeyChecking=no' -o 'UserKnownHostsFile=/dev/null'"

# Network
port-status() {
    if [ $# != 2 ]; then
        print "Usage: $0 [IP|HOSTNAME] [PORT|SERVICE]"
    else
        local host="${1}"
        local service="${2}"
        if nc -w 5 -z "${host}" "${service}" ; then
            print "Port or sevice '${service}' is opened on '${host}'"
        else
            print "Port or sevice '${service}' is closed on '${host}'"
        fi
    fi
}

# OpenSSL
for i in sha512 sha256 sha1 md5 ; do
    ssl-cert-$i() {
        openssl x509 -noout -fingerprint -$i -in $1
    }
done

ssl-crt-fp() {
    for i in sha512 sha256 sha1 md5; do
        ssl-cert-$i $1
    done
}

ssl-crt-info() {
    openssl x509 -noout -text -in $1
}
ssl-crt-info() {
    openssl x509 -noout -text -in $1
}

ssl-csr-info() {
    openssl req -noout -text -in $1
}

ssl-csr-subject() {
    openssl req -noout -text -in $1 | \
        sed -r -n 's/^\s+Subject: (.*)/\1/p' | \
        sed -r 's#(^|, )#/#g' |\
        sed -r 's/\s+=\s+/=/g'
}

ssl-csr-gen() {
    local domain="${1:-mydomain}"
    local keysize="${2:-4096}"
    local keytype="${3:-rsa}"
    local digest="${4:-sha256}"
    local subject="/C=FR/ST=IDF/L=Paris/O=${domain}/CN=${domain}/emailAddress=admin@${domain}"
    if [ -n "${CSR_SUBJECT}" ]; then
        subject="${CSR_SUBJECT}"
    fi
    printf "Generating csr/key for ${domain} with ${keytype}/${keysize} key and ${digest} digest...\n"
    openssl req \
        -subj "${subject}" \
        -nodes \
        -${digest} \
        -newkey ${keytype}:${keysize} \
        -keyout ${domain}.key \
        -out ${domain}.csr
    ssl-csr-info ${domain}.csr
}

ssl-csr-gen-from() {
    local oldcsr="${1}"
    local domain="${2}"
    local subject="$(ssl-csr-subject "${oldcsr}")"
    CSR_SUBJECT="$(ssl-csr-subject "${oldcsr}")" ssl-csr-gen "${domain}"
}

#
# Devel tools aliases
#

if (( $+commands[colormake] )); then
    alias make="colormake"
fi

#
# Git Flow stuff
#
git-flow-release() {
    local version_next=""
    if [[ "${1}" = "" ]]; then
        local version_current="$(git lasttag 2>/dev/null)"
        if [[ "${version_current}" != "" ]]; then
            local version_minor="${version_current##*.}"
            local version_major="${version_current%.*}"
            local version_next="${version_major}.$((version_minor+1))"
        fi
    else
        version_next="${1}"
    fi
    if [[ "${version_next}" != "" ]]; then
        export GIT_MERGE_AUTOEDIT=no
        git flow release start "${version_next}" && \
            GIT_MERGE_AUTOEDIT=no git flow release finish -m "${version_next}" "${version_next}"
    else
        printf "%s: tag is missing\n" "${0}" >&2
    fi
}
alias gfr="git-flow-release"

#
# Mssh stuff
#
if [ -f ~/.ssh/config ]; then
    hosts=($(grep '^Host [^*]' ~/.ssh/config | sed 's/Host //'))
    compctl -k hosts mssh
fi

#
# Hosting stuff
#
http_auth_ssha() {
    read "username?username: "
    read "password?password: "
    salt="$(openssl rand -base64 3)"
    sha1="$(printf "%s%s" "${password}" "${salt}" | openssl dgst -binary -sha1 | sed 's#$#'"${salt}"'#' | base64)"
    printf "%s:{SSHA}%s\n" "${username}" "${sha1}"
}

#
# DNS stuff
#
myip () {
    # Get public IP address from opendns
    ipv4=
    ipv6=
    ip4_resolver="resolver1.opendns.com"
    ip6_resolver="2620:0:ccc::2"
    if (( $+commands[dig] )); then
        ipv4=$(dig +short myip.opendns.com "@${ip4_resolver}")
        ipv6=$(dig AAAA +short myip.opendns.com "@${ip6_resolver}")
    elif (( $+commands[host] )); then
        ipv4=$(LANG=C host -t A myip.opendns.com "${ip4_resolver}" | sed -r -n 's/^.* has address (.*)$/\1/p')
        ipv6=$(LANG=C host -t AAAA myip.opendns.com "${ip6_resolver}" | sed -r -n 's/^.* has IPv6 address (.*)$/\1/p')
    fi
    if [[ -n "${ipv4}" ]]; then
        printf "IPv4 is %s\n" "${ipv4}"
    else
        printf "IPv4 not found\n" >&2
    fi
    if [[ -n "${ipv6}" ]]; then
        printf "IPv6 is %s\n" "${ipv6}"
    else
        printf "IPv6 not found\n" >&2
    fi
}