#!/bin/bash

icons="${XDG_DOTFILES_DIR:-$HOME/.dotfiles}/global/.local/share/thesiah/chars/icons"
tmpfile="$(mktemp)"

curl -sSL -o "$tmpfile" "https://raw.githubusercontent.com/FortAwesome/Font-Awesome/master/metadata/icons.json" || exit 1

vs16="$(printf '\xEF\xB8\x8F')"

while read -r hex name; do
  hex_uc=$(printf '%s' "$hex" | tr '[:lower:]' '[:upper:]')
  if [ ${#hex_uc} -le 4 ]; then
    unicode="\\u$hex_uc"
  else
    unicode="\\U$(printf '%08X' "0x$hex_uc")"
  fi
  printf "%b  %s; %s\n" "$unicode" "$name" "$hex"
done < <(
  jq -r 'to_entries[] | select(.value.unicode) | .value.unicode + " " + .key' "$tmpfile"
) |
  sed "s/$vs16//g" >"$icons"

rm -f "$tmpfile"
echo "Processing complete! icons saved to: $icons"