source "$DOTFILES_SHELL_DIR/prompt_segments"
source "$DOTFILES_BASH_DIR/prompt_segments"
source "$DOTFILES_SHELL_DIR/prompt_vcs"

prompt_host() {
    local host_bg='black'
    local host_fg='white'

    if [[ $UID -eq 0 ]]; then
        host_bg='red'
    fi

    if [[ -n $SSH_CLIENT ]]; then
        host_fg='yellow'
    fi

    prompt_segment $host_bg $host_fg '\u@\h'
}

prompt_dir() {
    prompt_segment green white '\w'
}

prompt_build() {
    prompt_setup_segments
    CURRENT_BG='NONE'
    prompt_host
    if prompt_vcs_repo; then
        prompt_vcs_status
        prompt_vcs_action
    else
        prompt_dir
    fi
    prompt_last_rc
    prompt_end
    echo -n ' '
}

prompt_last_rc() {
    [[ $LAST_CMD_RC -ne 0 ]] && prompt_segment red white "$LAST_CMD_RC"
}

function contains() {
  [[ "$2" == *$1* ]]
}

function prompt_pwd() {
  if [[ $PWD == $HOME ]]; then
    echo -n "~"
  else
    echo -n "${PWD##*/}"
  fi
}

prompt_build_simple() {
    __git_ps1_vars

    if [[ -n $SSH_CLIENT ]]; then
        echo -n "${HOSTNAME%%.local} "
    fi

    # add venv info
    set_color -p yellow
    if [[ -n "$VIRTUAL_ENV" ]]; then
        echo -n "${VIRTUAL_ENV##*/} "
    fi

    set_color -p green
    prompt_pwd

    # add git prompt info
    if [[ -n "$GIT_PS1_STATUS" ]]; then
        set_color -p blue
        echo -n " $GIT_PS1_BRANCH"

        vcs_status=""
        contains h "$GIT_PS1_STATUS" && vcs_status="$vcs_status""⇱"
        contains t "$GIT_PS1_STATUS" && vcs_status="$vcs_status""!"
        contains u "$GIT_PS1_STATUS" && vcs_status="$vcs_status""≠"
        contains s "$GIT_PS1_STATUS" && vcs_status="$vcs_status""±"
        contains n "$GIT_PS1_STATUS" && vcs_status="$vcs_status""∅"
        set_color -p red
        [[ -n "$vcs_status" ]] && echo -n " $vcs_status"

        action=""
        contains R "$GIT_PS1_STATUS" && action="$action rebase"
        contains i "$GIT_PS1_STATUS" && action="$action-i"
        contains A "$GIT_PS1_STATUS" && action="$action apply"
        contains M "$GIT_PS1_STATUS" && action="$action merge"
        contains B "$GIT_PS1_STATUS" && action="$action bisect"
        set_color -p yellow
        [[ -n "$action" ]] && echo -n "$action"
    fi

    set_color -p yellow
    [[ -n "${IN_NIX_SHELL}" ]] && echo -n " nix"

    # close prompt
    set_color -p none
    echo -n '> '
}

set_prompt() {
    PS1="$(prompt_build_simple)"
}

# vim: ft=sh