#!/bin/bash
# vim: ft=sh

# Common commands for .bashrc. Include by adding the following to .bashrc:
#
#     # Include cross-system common parts from .dotfiles.git repo
#     if [ -f ~/.bashrc.dotfiles ]; then
#         . ~/.bashrc.dotfiles
#     fi

# If not running interactively, don't do anything
case $- in
    *i*) ;;
      *) return;;
esac

# ssh-agent: start automatically unless SSH_AUTH_SOCK is already set by e.g. ssh-agent forwarding
if command -v ssh-agent &> /dev/null && [ ! -S "${SSH_AUTH_SOCK}" ] && [ -z "${TMUX}" ]; then
    eval "$(ssh-agent -t 12h)" > /dev/null
    trap 'eval "$(ssh-agent -k)" > /dev/null' EXIT
fi
# ssh-agent: adjust SSH_AUTH_SOCK and SSH_AGENT_PID in tmux session bash prompts
if [ -n "${TMUX}" ]; then
    function _tmux_update_environment() {
        eval "$(tmux show-environment -s SSH_AUTH_SOCK)"
        eval "$(tmux show-environment -s SSH_AGENT_PID)"
    }
    PROMPT_COMMAND="_tmux_update_environment"
fi

# Start tmux by default
if command -v tmux &> /dev/null && [ -z "$TMUX" ]; then
    if grep "default: " <(tmux list-sessions 2> /dev/null) > /dev/null; then
        tmux attach -t default
    else
        tmux new -s default
    fi
fi

# dotfiles alias
alias dotfiles='git --git-dir="$HOME/.dotfiles.git/" --work-tree="$HOME/"'

# Bash prompt
if [[ "${TERM}" =~ 256 ]]; then
    # Colors from vim-airline bubblegum theme: 110 blue, 150 green
    PS1="[\[\e[38;5;110m\e[1m\]\u@\h\[\e[0m\]:\[\e[38;5;150m\e[1m\]\w\[\e[0m\]]\$ "
else
    PS1="[\[\e[32m\e[1m\]\u@\h\[\e[0m\]:\[\e[34m\e[1m\]\w\[\e[0m\]]\$ "
fi
export PS1


# ls colors
if [[ "${OSTYPE}" == "linux-gnu"* ]] && command -v dircolors &> /dev/null; then
    eval "$(dircolors -b)" # Set and export LS_COLORS
    alias ls='ls --color=auto'
elif [[ "${OSTYPE}" == "darwin"* ]]; then
    if command -v gls &> /dev/null && command -v gdircolors &> /dev/null; then
        # Use gnu ls
        eval "$(gdircolors -b)" # Set and export LS_COLORS
        alias ls='gls --color=auto'
    else
        export LSCOLORS=ExGxBxDxCxEgEdxbxgxcxd
        alias ls='ls -G'
    fi
fi

# # Replace standard dircolors with the bubblegum theme from vim-airline, see
# # https://github.com/vim-airline/vim-airline-themes/blob/97cf3e6e638f936187d5f6e9b5eb1bdf0a4df256/autoload/airline/themes/bubblegum.vim
# if [[ "${TERM}" =~ 256 ]]; then
#     LS_COLORS=${LS_COLORS//=01;31:/=01;38;5;174:} # Red
#     LS_COLORS=${LS_COLORS//=01;32:/=01;38;5;150:} # Green
#     LS_COLORS=${LS_COLORS//=01;34:/=01;38;5;110:} # Blue
#     LS_COLORS=${LS_COLORS//=01;35:/=01;38;5;182:} # Purple
#     LS_COLORS=${LS_COLORS//=00;36:/=00;38;5;80:}  # Cyan
# fi

# Julia environment variables
export JULIA_PKG_DEVDIR=$HOME/dev
export JULIA_PROJECT=@.
export JULIA_PKG_USE_CLI_GIT=true

# Add private bin directories to PATH
PATH="$HOME/bin:$HOME/.local/bin:$PATH"

# Enable direnv
if command -v direnv &> /dev/null ; then
    eval "$(direnv hook bash)"
    # alias tmux='direnv exec / tmux'
fi

# Set the editor
if command -v nvim &> /dev/null; then
    alias vim=nvim
    export EDITOR=nvim
else
    export EDITOR=vim
fi

# Wrapper around bw login/unlock that automatically export the session key
if command -v bw &> /dev/null ; then
    function bwu () {
        if [ -z "${BW_SESSION}" ]; then
            export BW_SESSION
            case "$(bw status)" in
            *"\"unauthenticated\""*)
                echo "(bwu) bw login:"
                BW_SESSION=$(bw login --raw)
                ;;
            *"\"locked\""*)
                echo "(bwu) bw unlock:"
                BW_SESSION=$(bw unlock --raw)
                ;;
            esac
        fi
    }
fi

# Wrap gh to fetch auth token from bw
if command -v gh &> /dev/null ; then
    function gh () {
        local TOKEN=${GITHUB_TOKEN:-$(trap '' INT; bw get notes a8aec2cf-0600-4067-b6a6-d2370132f24f)}
        GITHUB_TOKEN=${TOKEN} $(which gh) "$@"
    };
fi