#!/bin/bash
# Fetches bibata cursor svgs
set -e

start() {
  _LAST_MSG="$@"
  echo -e "\x1b[0;1;34m@\x1b[0;34m $@\x1b[0m"
}
complete() {
  if [[ "$1" == "" ]]; then
    complete "$_LAST_MSG"
  else
    echo -e "\x1b[0;1;32m+\x1b[0;32m $@\x1b[0m"
  fi
}
err() {
  if [[ "$1" == "" ]]; then
    err "$_LAST_MSG"
  else
    echo -e "\x1b[0;1;31m!\x1b[0;31m $@\x1b[0m" 1>&2;
  fi
}
info() {
  echo -e "\x1b[0;1;94mi\x1b[0;94m $@\x1b[0m" 1>&2;
}

mkdir -p cursors
for type in Modern Original; do
  type_dir="cursors/$type"
  type_meta="$type_dir/meta.json"
  mkdir -p "$type_dir"
  start "Get Cursor Metadata for CursorType($type)"
  curl -fsSL "https://www.bibata.live/api/svg?type=${type}&v=1.0.2" | jq -M > "$type_meta"
  complete

  jq -Mc '.data[]' "$type_meta" | while read cursor_json; do
    cursor_name="$(jq -r .name <<< "$cursor_json")"
    cursor_dir="$type_dir/$cursor_name"
    cursor_assets="$cursor_dir/assets"
    cursor_meta="$cursor_dir/meta.json"
    cursorfile="$cursor_dir/cursor.json"
    mkdir -p "$cursor_dir" "$cursor_assets"
    if [[ -f "$cursor_meta" ]] && [[ "$(jq -M "." "$cursor_meta" | sha512sum | awk '{print $1}')" == "$(jq -M "." <<< "$cursor_json" | sha512sum | awk '{print $1}')" ]]; then
      start "Ensuring all keyframes for Cursor($type, $cursor_name) are present"
      idx=0
      jq -Mcr '.node_ids[]' "$cursor_meta" | while read node_id; do
        node="Node($type, $cursor_name, Node($idx, $node_id))"
        if ! [[ -f "$cursor_assets/$node_id.svg" ]]; then
          cursor_url="$(jq -Mr ".urls[${idx}]" "$cursor_meta")"
          start "Fetch missing $node - NodeIndex($idx)"
          curl -fsSL "$cursor_url" -o "$cursor_assets/$node_id.svg"
          ((idx=idx+1))
          complete "Fetched missing $node"
        else
          info "$node is already present"
        fi
      done
      complete "Ensured all keyframes for Cursor($type, $cursor_name) are present"
    else
      if [[ -f "$cursor_meta" ]]; then info "MetaFile($cursor_meta) already exists but differs (it has FileHash(sha512, $(jq -M "$cursor_meta" | sha512sum | awk '{print $1}')), new version has FileHash(sha512, $(jq -M <<< "$cursor_json" | sha512sum | awk '{print $1}')))"; mv "$cursor_meta"; fi
      jq -M <<< "$cursor_json" > "$cursor_meta"
      start "Get keyframes for Cursor($type, $cursor_name)"
      idx=0
      total=0
      jq -Mcr '.node_ids[]' "$cursor_meta" | while read id; do
        rm -f "$cursor_assets/$node_id.svg"
        ((total=total+1))
      done
      jq -Mcr '.urls[]' "$cursor_meta" | while read cursor_url; do
        node_id="$(jq -Mr ".node_ids[${idx}]" "$cursor_meta")"
        node="Node($type, $cursor_name, Node($idx, $node_id))"
        start "Fetch $node - NodeIndex($idx) of NodeCount($total)"
        curl -fsSL "$cursor_url" -o "$cursor_assets/$node_id.svg"
        ((idx=idx+1))
        complete "Fetched $node"
      done
      complete "Got keyframes for Cursor($type, $cursor_name)"
    fi
  done
done