.bash_profile

# ------  misc bash settings  --------{{{
shopt -s histappend     # append history lists of different sessions instead of overwriting
export BASH_SILENCE_DEPRECATION_WARNING=1   # silence macOS 10.15 bash deprecation warning
#}}}

# ------  source .shrc  --------------{{{
if [ -f $HOME/.dotfiles/.shrc ]; then
    source $HOME/.dotfiles/.shrc
else
    echo "Error: Couldn't find ~/.dotfiles/.shrc"
fi
#}}}

# ------  inputrc settings  ----------{{{
# don't ignore case when tab-completing
bind 'set completion-ignore-case off'
# add trailing '/' when tab-completing folders
bind 'set mark-directories on'
bind 'set mark-symlinked-directories on'
# unicode readline
bind 'set input-meta on'
bind 'set output-meta on'
bind 'set convert-meta off'
# word jumping with Shift-Ctrl-Left/Right in iTerm2
bind '"\e[1;6D": backward-word'
bind '"\e[1;6C": forward-word'
#}}}

# ------  custom bash prompt  --------{{{
my_command_prompt(){

    # Truncate the directory path if it exceeds a certain length
    truncate_pwd
    # Display git branch and dirty status
    git_status_prompt
    # Display name of activated venv
    venv_status_prompt

    # Define colors
    local WHITE="\[\033[1;37m\]"
    local GREEN="\[\033[0;32m\]"
    local CYAN="\[\033[0;36m\]"
    local GRAY="\[\033[0;37m\]"
    local BLUE="\[\033[0;34m\]"
    local MAGENTA="\[\033[0;35m\]"
    local RED="\[\033[0;31m\]"
    local YELLOW="\[\033[0;33m\]"

    # Define root prompt
    export SUDO_PS1="${RED}\u@\h:${MAGENTA}\w/ ${GRAY}"

    USRNAME=`whoami`
    if [ "$USRNAME" == "root" ]; then
        export PS1="${RED}\u@\h:${MAGENTA}\w/ ${GRAY}"
    else
        export PS1="${GREEN}\h:${MAGENTA}\${NEW_PWD}/${YELLOW}\${GITSTAT}\${VENVSTAT} ${GRAY}"
    fi
}

function truncate_pwd #{{{
{
    local pwdmaxlen=25
    local trunc_symbol=".."
    local dir=${PWD##*/}
    pwdmaxlen=$(( ( pwdmaxlen < ${#dir} ) ? ${#dir} : pwdmaxlen ))
    NEW_PWD=${PWD/#$HOME/\~}
    local pwdoffset=$(( ${#NEW_PWD} - pwdmaxlen ))
    if [ ${pwdoffset} -gt "0" ]
    then
        NEW_PWD=${NEW_PWD:$pwdoffset:$pwdmaxlen}
        NEW_PWD=${trunc_symbol}/${NEW_PWD#*/}
    fi
}
#}}}

function git_status_prompt #{{{
{
    local GITSTATUS=`git status 2>&1`

    # Retrieve current branch
    if [[ ${GITSTATUS} =~ On\ branch\ ([^[:space:]]+) ]]; then
        GITBRANCH=${BASH_REMATCH[1]}
    fi

    if [[ ${GITSTATUS} =~ "ot a git repository" ]]; then
        # No git repo
        GITSTAT=""
    elif [[ ${GITSTATUS} =~ "must be run in a work tree" ]]; then
        # Bare git repo
        GITSTAT=""
    elif [[ ${GITSTATUS} =~ "working tree clean" ]]; then
        # Clean repo
        GITSTAT="[${GITBRANCH}]"
        # Display only if not on master branch
        test "$GITBRANCH" != master || GITSTAT=""
    else
        # Dirty repo
        GITSTAT="[${GITBRANCH} ±]"
        # Display only if not on master branch
        test "$GITBRANCH" != master || GITSTAT="[±]"
    fi
}
#}}}

function venv_status_prompt #{{{
{
    local VENVNAME="${VIRTUAL_ENV##*/}"

    if [[ -z $VENVNAME ]]; then
        VENVSTAT=""
    else
        VENVSTAT="(${VENVNAME})"
    fi
}
#}}}

PROMPT_COMMAND=my_command_prompt
#}}}

# ------  tab-completion hacks  ------{{{
# auto-complete commands after sudo, man, mans
complete -cf sudo
complete -cf man
complete -cf mans
complete -cf manv
complete -cf mangv

# auto-complete like scp after custom gvimscp
complete -F _scp -o nospace gvimscp

# Bash_completion
if [ -r /opt/homebrew/etc/profile.d/bash_completion.sh ]; then
    export BASH_COMPLETION_USER_DIR=~/.dotfiles/.bash-completion
    . /opt/homebrew/etc/profile.d/bash_completion.sh
fi

# iTerm shell integration
#if [ -f ~/.dotfiles/Scripts/.iterm2_shell_integration.bash ]; then
    #. ~/.dotfiles/Scripts/.iterm2_shell_integration.bash
#fi

# fzf keybindings
if [ -f $HOME/.dotfiles/.fzf.sh ]; then
    source $HOME/.dotfiles/.fzf.sh
fi

# auto-complete remote hosts for ssh -> bash_completion
# Rem: does not work for ssh user@host; instead use ssh host -l user
#complete -W "$(echo `cat ~/.ssh/known_hosts | cut -f 1 -d ' ' | sed -e s/,.*//g | uniq | grep -v "\["`;)" ssh
#}}}

# ------  Vim Modeline  --------------{{{
# vim: set foldmethod=marker:
#}}}