#!/bin/bash
# vim: set filetype=sh:
# link destination: $HOME/.bash_aliases

# Install EDITOR
export EDITOR='nvim'

alias rm="rm -i"
alias cp="cp -i"
alias mv="mv -i"

# Send a bell before the prompt if it has been a long time since the last
# prompt.
# function bell_on_long_running_commands() {
#   local NOW=`date -u +%s`
#   if [ $(( LASTCMD_FOR_BELLS )) -lt $(( NOW - 15 )) ]; then
#     echo -n $'\a'
#   fi
#   unset LASTCMD_FOR_BELLS;
# }
# function set_last_command_time() {
#   if [[ -z "${COMPLINE}" ]] && [[ -z "${LASTCMD_FOR_BELLS}" ]]; then
#     LASTCMD_FOR_BELLS=`date -u +%s`
#   fi
# }
# trap set_last_command_time DEBUG
# export PROMPT_COMMAND=bell_on_long_running_commands
function bell_after() {
  "$@"
  local exit="$?"
  echo -n $'\a' 1>&2
  return "$exit"
}

# Reload aliases
function reload_scripts_only()
{
  . "$HOME"/.bashrc
}

# from https://stackoverflow.com/a/1203628
# Useful for overriding functions defined in these common scripts
# Usage: copy_func from to
function copy_func()
{
    declare -F $1 > /dev/null || return 1
    eval "$(echo "${2}()"; declare -f ${1} | tail -n +2)"
}

function sync_git_only()
{
  (
    cd "$( dirname "$(realpath -e "${BASH_SOURCE[0]}")" )"
    if git add . && ! git diff-index --cached --quiet HEAD; then
      git commit -am "Autocommitted updated scripts from $(hostname)"
    fi
    git pull --rebase
    git submodule update --init --recursive
    ./install.sh
    if ! git --no-pager diff --exit-code origin/master master; then
      git --no-pager log --reverse origin/master..master
      if ! read -p "OK to push these changes? (Y/N) " -N 1 confirm; then
        confirm = "N"
      fi
      echo
      if [[ "$confirm" != "Y" ]] && [[ "$confirm" != "y" ]]; then
        echo "Not pushing yet."
      else
        git push
      fi
    fi
  )
}

alias ssh-keygen="ssh-keygen -o -a 100 -t ed25519"

function ssh-authorize-key() {
  if [[ ! -r "$1" ]] || ! file -b "$1" | grep -q "^OpenSSH .* public key$"; then
    echo "Expected a public key file"
  fi
  cat "$1" >>~/.ssh/authorized_keys
}

function bashreload()
{
  reload_scripts_only
  sync_git_only
  reload_scripts_only
}

function help_prompt() {
  echo '\ Help\ page\ '"$@"'\ ?ltline\ %lt?L/%L.:byte\ %bB?s/%s..?\ (END):?pB\ %pB\\%..(press h for help or q to quit)'
}
function man ()
{
  if command man "$@" >&/dev/null; then
    command man "$@"
  elif builtin help -m "$@" >&/dev/null; then
    builtin help -m "$@" | command man -l -r "$(help_prompt "$@")" -
  else
    command man "$@"
  fi
}

function help ()
{
  if builtin help -m "$@" >&/dev/null; then
    builtin help "$@" | command man -l -r "$(help_prompt "$@")" -
  elif command man "$@" >&/dev/null; then
    command man "$@"
  else
    builtin help -m "$@"
  fi
  builtin help -m "$@" 2>/dev/null || command man "$@" 2>/dev/null || builtin help -m "$@"
}


# This is, almost without fail, the right value.
export DISPLAY="${DISPLAY:-:0.0}"

COMMON_CONFIGS_PATH="$( dirname "$(realpath -e "${BASH_SOURCE[0]}")" )"

. "$COMMON_CONFIGS_PATH"/bash_tmux.sh

PROMPT_COMMAND=""
export GITAWAREPROMPT="$COMMON_CONFIGS_PATH"/git-aware-prompt
. "$GITAWAREPROMPT"/main.sh

function prettylastexit() {
  local exitcode=$?
  if [[ -z $exitcode ]]; then
    echo "[---]$txtrst "
  elif [[ $exitcode == 0 ]]; then
    echo "$txtgrn[ OK]$txtrst "
  else
    printf "$txtred[%3.3s]$txtrst " "$exitcode"
  fi
}

PS1='$(prettylastexit)\[$bldred\]${debian_chroot:+($debian_chroot)}\[$txtrst\]\[$txtpur\]\u\[$txtrst\]\[$txtylw\]@\[$txtrst\]\[$txtblu\]\h\[$txtrst\]:\[$bldgrn\]\w\[$txtrst\] \[$txtcyn\]$git_branch\[$txtrst\]\[$bldred\]${git_dirty}\[$txtrst\]\n\$ '