#!/bin/sh

# Check for java

if ! [ -x "$(command -v java)" ]; then
  echo "No java installed!"
  exit 1
fi

# Figure out latest cli version

if [ -z "${EW_VERSION}" ]; then
  if [ -x "$(command -v curl)" ]; then
    cli_version=$(curl -s https://maven.emulator.wtf/releases/wtf/emulator/ew-cli/maven-metadata.xml | grep latest | sed "s/.*<latest>\([^<]*\)<\/latest>.*/\1/")
  elif [ -x "$(command -v wget)" ]; then
    cli_version=$(wget -q -O - https://maven.emulator.wtf/releases/wtf/emulator/ew-cli/maven-metadata.xml | grep latest | sed "s/.*<latest>\([^<]*\)<\/latest>.*/\1/")
  else
    echo "Neither curl or wget could not be found"
    exit 1
  fi
else
  cli_version=${EW_VERSION}
fi

# Fill the cache if necessary

remote_jar="https://maven.emulator.wtf/releases/wtf/emulator/ew-cli/${cli_version}/ew-cli-${cli_version}.jar"
jar_dir="${HOME}/.cache/emulator-wtf"
jar="${jar_dir}/ew-cli-${cli_version}.jar"

if ! [ -f "${jar}" ]; then
  mkdir -p "${jar_dir}"
  if [ -x "$(command -v curl)" ]; then
    curl -s -o "${jar}" "${remote_jar}"
  elif [ -x "$(command -v wget)" ]; then
    wget -q -O "${jar}" "${remote_jar}"
  fi
fi

java -jar "${jar}" "$@"