#!/bin/bash

json_url="https://raw.githubusercontent.com/ryanoasis/nerd-fonts/master/glyphnames.json"
local_file="$HOME/.local/share/script-data/chars/nerd-glyphs.json"

function needs_update() {
  local local_date
  local current_date
  local_date=$(stat -c %Y "$local_file" 2>/dev/null || echo 0)
  current_date=$(date +%s)
  [ "$((current_date - local_date))" -ge "$((14 * 24 * 3600))" ]
}

if needs_update; then
  remote_date=$(curl -sI "$json_url" | grep -i '^Last-Modified:' | sed 's/Last-Modified: //')
  if [ "$remote_date" != "$(stat -c %y "$local_file" 2>/dev/null)" ]; then
    curl -s "$json_url" -o "$local_file"
  fi
fi

selected=$(jq -r '. as $input | to_entries[] | select(.key != "METADATA") | "\(.value.char)  \(.key)"' "$local_file" | dmenu -bw 2 -i -W 290 -X 1061 -Y 15 -l 30 | sed "s/ .*//")
[ -z "$selected" ] && exit
if [ -n "$1" ]; then
  xdotool type "$selected"
else
  printf "%s" "$selected" | xclip -selection clipboard
  notify-send "$selected  - copied to clipboard." &
fi