# If not running interactively, don't do anything
[[ -z "$PS1" ]] && return
[[ $- == *i* ]] && stty -ixon

####
# settings
set -o vi
shopt -s checkwinsize # update the values of LINES and COLUMNS.
shopt -s nullglob
bind 'set enable-bracketed-paste off'
LANG="en_US.UTF-8"
LC_COLLATE="en_US.UTF-8"
LC_CTYPE="en_US.UTF-8"
LC_MESSAGES="en_US.UTF-8"
LC_MONETARY="en_US.UTF-8"
LC_NUMERIC="en_US.UTF-8"
LC_TIME="en_US.UTF-8"
LC_ALL=
GDK_BACKEND=wayland

####
# paths
function in_path() {
  new_path="$1"
  a=0
  while true; do
    a=$((a+1))
    current="$(cut -d: -f"${a}" <<< "$PATH")"
    if [[ -z "$current" ]]; then
      return 1
    fi
    if [[ "$new_path" == "$current" ]]; then
      return 0
    fi
  done
}
unset additional_paths
declare -a additional_paths
additional_paths=(
  "${HOME}/bin"
  "${HOME}/bin2"
  "${HOME}/go/bin"
  "${HOME}/local/bin"
  "${HOME}/.cargo/bin"
  "${HOME}/git/cr/depot_tools"
  "/usr/local/go/bin/"
  )
for path in "${additional_paths[@]}"; do
  in_path "$path" || PATH="${path}:${PATH}"
done
unset additional_paths
unset in_path

####
# sources
unset sources
declare -a sources
sources=(
  "${HOME}/.bash_aliases"
  "${HOME}/.bash_functions"
  "${HOME}/.bash_functions2"
  "${HOME}/.cargo/env"
  "${HOME}/.config/gom/init"
  "${KITTY_INSTALLATION_DIR}/shell-integration/bash/kitty.bash"
)

for source in "${sources[@]}"; do
  if [[ -r "${source}" ]]; then
    . "${source}"
  fi
done
unset sources

if [[ -d "${HOME}/.config/aliases" ]]; then
  readarray -d '' bash_sources < <(find "${HOME}/.config/aliases" -type f | sort -V | tr '\n' '\0')
  for source in "${bash_sources[@]}"; do
    . "$source"
  done
fi

####
# env
export HISTCONTROL=ignoredups
export HISTCONTROL=ignoreboth
export PS1='$ '
export VISUAL=vim
export EDITOR="$VISUAL"
export SYSTEMD_PAGER="cat"
export GIT_PAGER="cat"
export XDG_CONFIG_HOME="${HOME}/.config"
export XDG_CURRENT_DESKTOP=sway
export MOZ_ENABLE_WAYLAND=1

case "$TERM" in
  screen-256color) export PS1='\[\033[1;35m\]\d \t ${debian_chroot:+($debian_chroot)}\[\033[0;55m\]\H\[\033[00m\]:\[\033[01;55m\]\w\[\033[00m\]\n\$ ' && alias ls='ls --color=auto';;
esac

##############################
# ssh auth sock
auth_sock_dir="${HOME}/.config/ssh"
auth_sock_log="/tmp/ssh_auth_sock"
if [[ ! -d "$auth_sock_dir" ]]; then
  mkdir -p "$auth_sock_dir"
fi
ssh_auth_link="${auth_sock_dir}/ssh_auth_sock"
pgrep ssh-agent &>/dev/null
if [[ "$?" == "1" ]]; then
  . <(ssh-agent | sed 's/echo/#echo/' | tee "$auth_sock_log")
  if [[ -L "$ssh_auth_link" ]]; then
    rm "$ssh_auth_link"
  fi
  if [[ -z "$SSH_AUTH_SOCK" ]]; then
    printf 'Something went wrong with ssh-agent:\n' >&2
    cat "$auth_sock_log" >&2
  else
    ln -s "$SSH_AUTH_SOCK" "$ssh_auth_link"
  fi
fi
[[ -L "${ssh_auth_link}" ]] && [[ -e "${ssh_auth_link}" ]] && export SSH_AUTH_SOCK="$ssh_auth_link"

# autotmux
# export AT=true on connecting host to enable
default_session=shell
tls 2>/dev/null | grep -E "$default_session"'.*attached' &>/dev/null
not_in_tmux="$?"
no_auto="${HOME}/.config/autotmux/disable"
if [[ ! -f "$no_auto" ]] && [[ "$AT" == 'true' ]] && [[ "$not_in_tmux" ]]; then
  stx "${default_session}"
fi

# Eternal bash history.
# ---------------------
# Undocumented feature which sets the size to "unlimited".
# http://stackoverflow.com/questions/9457233/unlimited-bash-history
export HISTFILESIZE=
export HISTSIZE=
export HISTCONTROL=ignoredups:erasedups
export HISTTIMEFORMAT="[%F %T] "
shopt -s histappend

# export HISTTIMEFORMAT="[%F %T] $(/home/luke/bin/history_status) "
# Change the file location because certain bash sessions truncate .bash_history file upon close.
# http://superuser.com/questions/575479/bash-history-truncated-to-500-lines-on-each-login
export HISTFILE=~/.bash_eternal_history
# Force prompt to write history after every command.
# http://superuser.com/questions/20900/bash-history-loss
# PROMPT_COMMAND="history -a; $PROMPT_COMMAND"
# PROMPT_COMMAND="history -a; history -c; history -r; $PROMPT_COMMAND"
export PROMPT_COMMAND="${PROMPT_COMMAND:+$PROMPT_COMMAND$'\n'}history -a; history -c; history -r"