#!/usr/bin/env bash
set -euo pipefail

OUTFILE="${OUTFILE:-$HOME/.clips}"

notify() {
  # $1 = urgency (low|normal|critical)
  # $2 = title
  # $3 = body
  if command -v notify-send >/dev/null 2>&1; then
    notify-send -u "$1" "$2" "$3"
  fi
}

die() {
  notify critical "capture-clip" "$1"
  printf -- "ERROR: %s\n" "$1" >&2
  exit 1
}

get_clipboard() {
  if command -v xclip >/dev/null 2>&1; then
    xclip -o -selection clipboard 2>/dev/null || xclip -o -selection primary
    return 0
  fi
  if command -v xsel >/dev/null 2>&1; then
    xsel --clipboard --output 2>/dev/null || xsel --primary --output
    return 0
  fi
  die "need xclip or xsel"
}

clip="$(get_clipboard)"

[[ -n "$clip" ]] || die "clipboard is empty"

ts="$(date '+%y:%m:%d %H:%M:%S')"

{
  printf -- "# caputred %s\n" "$ts"
  printf -- "%s\n" "$clip"
  printf -- "---\n"
} >> "$OUTFILE"

lines="$(printf "%s" "$clip" | wc -l | tr -d ' ')"
chars="$(printf "%s" "$clip" | wc -c | tr -d ' ')"

notify normal "capture-clip" "Saved to ~/.clips ($lines lines, $chars chars)"