#!/usr/bin/env bash

## SPDX-FileCopyrightText: 2023 Benjamin Grande M. S. <ben.grande.b@gmail.com>
##
## SPDX-License-Identifier: AGPL-3.0-or-later

## {{{ Requirements
## If not running interactively, return.
case $- in
  *i*) ;;
    *) return;;
esac

## Source default files.
# shellcheck disable=SC1090,SC1091
source "${HOME}/.profile"
# shellcheck disable=SC1090
source "${ENV}"
## }}}
## {{{ Options
HISTCONTROL=ignoredups
shopt -s autocd
shopt -s direxpand
shopt -s cdspell
shopt -s dirspell
shopt -s histappend
shopt -s checkwinsize
shopt -s extglob
shopt -s globstar
## }}}
## {{{ Alias
alias reload="exec bash"
## }}}
## {{{ Prompt
if test -z "${debian_chroot:-}" && test -r /etc/debian_chroot; then
  debian_chroot="$(cat -- /etc/debian_chroot)"
fi

_reset_line() {
  case "${TERM-}" in
    ""|dumb|linux*|vt100*|vt220*) return;;
    *) ;;
  esac
  ## Credit: Can't find the source, posted on StackExchange or alike.
  ## Does not work well on Bash 5.0 and older.
  bash_version_clean="$(printf '%s\n' "${BASH_VERSION%.*}" | tr -d ".")"
  if test "${bash_version_clean}" -lt 51; then
    unset bash_version_clean
    return
  fi
  unset bash_version_clean

  ## Ask the terminal for any pending (line buffered) input.
  termios="$(stty -g)" && stty -icanon && stty "${termios}"
  unset termios
  ## On pending input, assume it's been echoed and we're not in first column.
  ## Otherwise ask the terminal for current column and read it from input.
  if read -t 0 || {
    IFS='[;' read -s -r -d'R' -p$'\033[6n' _ _ cur_y && [[ ${cur_y} != 1 ]]
  }
  then
    unset cur_y
    ## Print line ending char with reversed video and end with newline.
    if test "${color_prompt-}" = "yes"; then
      printf '%b' "\033[41m\033[0m\033[7m%\033[0m\n\r"
    else
      printf '%b' "%\n\r"
    fi
  fi
}

_print_ec(){
  test "${_ec_ps1}" = "0" && return
  if test "${color_prompt:-}" = "yes"; then
    printf '%b%s%b' "(\001\033[31m\002" "${_ec_ps1}" "\001\033[0m\002)"
  else
    printf '%s' "(${_ec_ps1})"
  fi
}

_save_ec() { _ec_ps1=$?; }
PROMPT_COMMAND=(_save_ec)
newline=$'\n'

# shellcheck disable=SC2154
if test "${color_prompt:-}" = "yes"; then
  # shellcheck disable=SC2154
  PS1="\$(_reset_line)\$(resize-terminal)\[\033[35m\][\[${reset_color}\]"
  PS1="${PS1}${debian_chroot:+(${debian_chroot})}\[${usercolor}\]\u@\h "
  PS1="${PS1}\[${dircolor}\]\w\[${reset_color}\]\$(_git_prompt_info)"
  PS1="${PS1}\[\033[35m\]]\[${reset_color}\]${newline-}\$(_print_ec)"
  PS1="${PS1}${ps1_symbol} "
else
  PS1="\$(_reset_line)\$(resize-terminal)"
  PS1="${PS1}[${debian_chroot:+(${debian_chroot})}"
  PS1="${PS1}\u@\h:\w\$(_git_prompt_info)]${newline-}\$(_print_ec)"
  PS1="${PS1}${ps1_symbol} "
fi

case "${TERM-}" in
  screen*|xterm*|rxvt*)
    ## Set window title
    PS1="\[\033]0;${debian_chroot:+(${debian_chroot})}\u@\h: \w\a\]${PS1}"
    ;;
  *) ;;
esac

case "${TERM-}" in
  ""|dumb|linux*|vt100*|vt220*)
    PS0=""
    ;;
  *)
    ## Reset cursor to steady block after command input and before execution.
    # shellcheck disable=SC2034
    PS0="\033[2 q\2"
    ;;
esac
if ! shopt -oq posix; then
  source_readable /usr/share/bash-completion/bash_completion
fi

unset newline ps1_symbol
## }}}
## {{{ Plugins
if has zoxide; then
  zoxide_bash_completion="$(zoxide init bash)"
  eval "${zoxide_bash_completion}"
  unset zoxide_bash_completion
fi
if has gitlint; then
  gitlint_bash_completion="$(_GITLINT_COMPLETE=bash_source gitlint)"
  eval "${gitlint_bash_completion}"
  unset gitlint_bash_completion
fi

source_readable /usr/share/doc/fzf/examples/key-bindings.bash
source_readable /usr/share/doc/fzf/examples/completion.bash
## }}}
## {{{ End
## Source local bash configuration.
source_readable "${HOME}/.bashrc.local"
## }}}