#!/bin/bash

set -e

FastGit="https://hub.fastgit.org/Loyalsoldier/v2ray-rules-dat/releases/latest"
GitHub="https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download"
JsDelivr="https://cdn.jsdelivr.net/gh/Loyalsoldier/v2ray-rules-dat@release"

download_files() {

  cd /var/lib/v2ray-rules-dat || exit

  echo "Fetching rules.zip"
  curl -LO "${1}/rules.zip{,.sha256sum}"
  sha256sum --check "rules.zip.sha256sum"

  bsdtar -xf ./rules.zip
  
  rm -vf $(find . -maxdepth 1 -type f ! \( -name "geo*.dat" -o -name "\.*" \))
}

case "${1}" in
"fastgit" | "fg")
  download_files $FastGit
  ;;
"jsdelivr" | "js")
  download_files $JsDelivr
  ;;
*)
  download_files $GitHub
  ;;
esac