dotfiles/zsh/prompt

source "$DOTFILES_SHELL_DIR/prompt_segments"
source "$DOTFILES_ZSH_DIR/prompt_segments"
source "$DOTFILES_SHELL_DIR/prompt_vcs"

prompt_host() {
    local bg='black'
    local fg='white'

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

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

    prompt_segment $bg $fg '%n@%m'
}

prompt_dir() {
    prompt_segment green white '%~'
}


prompt_segment_test() {
    prompt_segment red white
    prompt_segment default white
    prompt_segment blue white
    prompt_segment default white
    prompt_segment green white
    prompt_segment default white
    prompt_segment cyan white
    prompt_segment default white
    prompt_segment yellow white
    prompt_segment default white
    prompt_segment white black
    prompt_segment default white
    prompt_segment black white
    prompt_segment default white
    prompt_segment red white
    prompt_segment default white
    prompt_segment
    CURRENT_BG='NONE'
    echo
}

rprompt_segment_test() {
    rprompt_segment
    rprompt_segment red white
    rprompt_segment default white
    rprompt_segment blue white
    rprompt_segment default white
    rprompt_segment green white
    rprompt_segment default white
    rprompt_segment cyan white
    rprompt_segment default white
    rprompt_segment yellow white
    rprompt_segment default white
    rprompt_segment white black
    rprompt_segment default white
    rprompt_segment black white
    rprompt_segment default white
    rprompt_segment red white
    rprompt_segment default white
    CURRENT_BG='NONE'
    echo
}

prompt_last_rc() {
    #echo -n "%(?..%B[%?]%b)"
    [[ $LAST_CMD_RC -ne 0 ]] && prompt_segment red white "$LAST_CMD_RC"
}

prompt_vi_mode() {
    local mode_color mode_text

    PROMPT_VI_MODE="${${KEYMAP/vicmd/NORMAL}/(main|viins)/INSERT}"

    case $PROMPT_VI_MODE in
        NORMAL)
            mode_color='green'
            mode_text='N'
            ;;
        *)
            mode_color='blue'
            mode_text='I'
            ;;
    esac
    [[ -n $mode_color ]] && prompt_segment $mode_color white $mode_text
}

function zle-line-init {
    set_prompt
    zle reset-prompt
}
function zle-keymap-select {
    set_prompt
    zle reset-prompt
}
zle -N zle-line-init
zle -N zle-keymap-select

prompt_build() {
    RPROMPT_SEGMENTS=''
    prompt_setup_segments
    CURRENT_BG='NONE'
    prompt_host
    prompt_vcs_repo || prompt_dir
    prompt_end
    echo -n ' '
}

rprompt_build() {
    RPROMPT_SEGMENT=1
    prompt_setup_segments
    CURRENT_BG='NONE'
    prompt_last_rc
    prompt_vcs_status
    prompt_vcs_action
    rprompt_end
}

prompt_opts=(cr percent)

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

set_prompt() {
    __git_ps1_vars

    local buffer=""

    if [[ -n $SSH_CLIENT ]]; then
        buffer="${buffer}${HOST%.local} "
    fi

    if [[ -n $STY ]]; then
        buffer="${buffer}screen "
    fi

    if [[ -n "$VIRTUAL_ENV" ]]; then
        buffer="${buffer}%F{yellow}${VIRTUAL_ENV##*/} "
    fi

    local pwd
    if [[ $PWD == $HOME ]]; then
       pwd="~"
    else
      pwd="${PWD##*/}"
    fi
    buffer="${buffer}%F{green}${pwd}"

    # add git prompt info
    if [[ -n "$GIT_PS1_STATUS" ]]; then
        buffer="${buffer} %F{blue}$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""∅"
        [[ -n "$vcs_status" ]] && buffer="${buffer} %F{red}$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"
        [[ -n "$action" ]] && buffer="${buffer} %F{yellow}$action"
    fi

    [[ -n "${IN_NIX_SHELL}" ]] && buffer="${buffer} %F{yellow}nix"

    buffer="${buffer}%f> "
    PROMPT="${buffer}"
}

# vim: ft=zsh