.my_aliases

#!/usr/local/bin/bash

alias rg="rg --pretty --glob '!tags' --max-columns 300 "
alias rgi="rg --pretty --ignore-case --glob '!tags' --max-columns 300 "

# -r recursive, -n line number -i case insensitive, -s no messages, -I ignore binary, -S follow symlinks
# -o matching only, -h no filename
alias g="egrep -rnisIS --color"
alias gc="egrep -rnsIS --color"

alias l="gls -l -h --color --group-directories-first  --dereference-command-line-symlink-to-dir --dereference-command-line --dereference"
alias ls="gls -h --color --group-directories-first  --dereference-command-line-symlink-to-dir --dereference-command-line --dereference"

alias tree="tree --dirsfirst -C"

export FZF_DEFAULT_COMMAND='rg --files --no-ignore --hidden --follow --glob "!{.git}" 2> /dev/null'
export FZF_CTRL_T_COMMAND="$FZF_DEFAULT_COMMAND"
export FZF_CTRL_R_OPTS="--layout=reverse"

bind -x '"\C-p": fzf_result=$(fzf); [[ ! -z $fzf_result ]] && vim $fzf_result'
# Might have to download the binary directly, since apt has a really old version.
eval "$(fzf --bash)"

parse_git_branch() {
    branch=$(git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/\1/')

    if [[ $branch =~ .*detached.* ]]; then
        echo " ${branch}"
        return
    fi

    commit=$(git rev-parse --short HEAD 2> /dev/null)

    out="(${branch} @ ${commit})"
    if [[ ${#out} == 5 ]]; then
        return
    fi

    echo " $out"
}

auto_virtualenv() {
    command=$(python3 ~/auto-virtualenv/venv_toggle_command.py --command)
    eval $command
}

virtualenv_info() {
    project_name=$(python3 ~/auto-virtualenv/venv_toggle_command.py --project-name)
    if [[ -n $project_name ]]; then
        echo "($project_name) "
    fi
}

function timer_start {
    timer=${timer:-$SECONDS}
}

function timer_stop {
    timer_show=$(($SECONDS - $timer))
    unset timer
}

trap 'timer_start' DEBUG

prompt_command() {
  timer_stop
  auto_virtualenv
  history -a
  history -n
}

export PROMPT_COMMAND=prompt_command

make_ps1() {
    # 256 colour example thing="\[\033[0;38;5;TWO_FIVE_SIZEm\][test]\[\033[0m\] "
    # rgb colour example thing="\[\033[0;38;2;R;G;Bm\][test]\[\033[0m\] "

    newline="\n"
    duration="\[\033[1;30m\]{⏱️  \${timer_show}s}\[\033[0m\] "
    host="\[\033[1;30m\][\$(hostname -s)]\[\033[0m\] "
    virtualenv="\[\033[1;32m\]\$(virtualenv_info)\[\033[0m\]"
    working_path="\[\033[1;36m\]\w\[\033[0m\]"
    git="\[\033[1;31m\]\$(parse_git_branch)\[\033[0m\]"
    arrow="\[\033[0;34m\]\n~>\[\033[0m\] "
    echo "${duration}${host}${virtualenv}${working_path}${git}${arrow}"
}


PROMPT_DIRTRIM=5
export VIRTUAL_ENV_DISABLE_PROMPT=1
export PS1=$(make_ps1);

NEWLINE="\n"
NO_COLOUR="\e[00m"
PRINTING_OFF="\["
PRINTING_ON="\]"
PROMPT_COLOUR="\033[1;4;30m"
PS1_PROMPT="\$"
PS2_PROMPT=">"
RESTORE_CURSOR_POSITION="\e[u"
SAVE_CURSOR_POSITION="\e[s"
SINGLE_SPACE=" "
TIMESTAMP="\A"
TIMESTAMP_PLACEHOLDER="\[\033[1;4;30m\]--:--\[\033[0m\]"

move_cursor_to_start_of_ps1() {
    command_rows=$(history 1 | wc -l)
    if [ "$command_rows" -gt 1 ]; then
        let vertical_movement=$command_rows+1
    else
        command=$(history 1 | sed 's/^\s*[0-9]*\s*//')
        command_length=${#command}
        ps1_prompt_length=${#PS1_PROMPT}
        let total_length=$command_length+$ps1_prompt_length
        let lines=$total_length/${COLUMNS}+1
        let vertical_movement=$lines+1
    fi
    tput cuu $vertical_movement
}

PS0_ELEMENTS=(
    "$SAVE_CURSOR_POSITION" "\$(move_cursor_to_start_of_ps1)"
    "$PROMPT_COLOUR" "$TIMESTAMP" "$NO_COLOUR" "$RESTORE_CURSOR_POSITION"
)
PS0=$(IFS=; echo "${PS0_ELEMENTS[*]}")

PS1_ELEMENTS=(
    # Empty line after last command.
    "$NEWLINE"

    "$TIMESTAMP_PLACEHOLDER" "$SINGLE_SPACE" "$(make_ps1)"
)
PS1=$(IFS=; echo "${PS1_ELEMENTS[*]}")

PS2_ELEMENTS=(
    "$PRINTING_OFF" "$PROMPT_COLOUR" "$PRINTING_ON" "$PS2_PROMPT"
    "$SINGLE_SPACE" "$PRINTING_OFF" "$NO_COLOUR" "$PRINTING_ON"
)
PS2=$(IFS=; echo "${PS2_ELEMENTS[*]}")

shopt -s histverify

export EDITOR=vim

# Eternal bash history.
export HISTFILESIZE=
export HISTSIZE=
# export HISTTIMEFORMAT="[%F %T] "
# 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"

export PATH=~/.local/bin:$PATH

# For spacedentist spr
export PATH="/home/tanwang/.cargo/bin:$PATH"