#!/usr/bin/with-contenv bash

# Determine if setup is needed
if [ -d /dotnet ]; then
  # remove existing install if updating
  if ls -d /dotnet_* >/dev/null 2>&1; then
    echo "deleting" $(ls -d /dotnet_*)
    rm -rf /dotnet_*
  fi
  DOTNET_VERSIONS=$(cat /dotnet/versions.txt)
  ARCH=$(uname -m)
  for i in $DOTNET_VERSIONS; do
    mkdir -p "/dotnet_${i}"
    tar xzf "/dotnet/dotnetsdk_${i}_${ARCH}.tar.gz" -C "/dotnet_${i}"
  done
  rm -rf /dotnet
  # symlink latest dotnet binary
  DOTNET_LATEST=$(echo "$DOTNET_VERSIONS" | awk '{print $1}')
  rm -rf /usr/local/bin/dotnet
  ln -s /dotnet_${DOTNET_LATEST}/dotnet /usr/local/bin/dotnet
  echo "
  ****************************************************
  ****************************************************
  **
  **
  DOTNET SDK versions installed:
  $(echo $DOTNET_VERSIONS | sed 's| |\n  |g')
  **
  **
  Binary locations are:"
  for i in $DOTNET_VERSIONS; do
    echo "  /dotnet_${i}/dotnet"
  done
  echo "  **
  **
  Version $DOTNET_LATEST is symlinked from /usr/local/bin/dotnet and can be called from anywhere via \"dotnet\"
  **
  **
  ****************************************************
  ****************************************************"
  # symlink other dotnet installs for access through latest binary
  for i in {2..5}; do
    DOTNET_OTHER_SDK_VERSION="$(echo $DOTNET_VERSIONS | awk -v var=${i} '{print $var}')"
    if [ -n "$DOTNET_OTHER_SDK_VERSION" ]; then
      DOTNET_OTHER_RUNTIME_VERSION="$(ls /dotnet_${DOTNET_OTHER_SDK_VERSION}/shared/Microsoft.NETCore.App)"
      echo "**** Symlinking sdk version ${DOTNET_OTHER_SDK_VERSION} and runtime version ${DOTNET_OTHER_RUNTIME_VERSION} ****"
      ln -s "/dotnet_${DOTNET_OTHER_SDK_VERSION}/shared/Microsoft.NETCore.App/${DOTNET_OTHER_RUNTIME_VERSION}" "/dotnet_${DOTNET_LATEST}/shared/Microsoft.NETCore.App/${DOTNET_OTHER_RUNTIME_VERSION}"
      ln -s "/dotnet_${DOTNET_OTHER_SDK_VERSION}/shared/Microsoft.AspNetCore.App/${DOTNET_OTHER_RUNTIME_VERSION}" "/dotnet_${DOTNET_LATEST}/shared/Microsoft.AspNetCore.App/${DOTNET_OTHER_RUNTIME_VERSION}"
      ln -s "/dotnet_${DOTNET_OTHER_SDK_VERSION}/sdk/${DOTNET_OTHER_SDK_VERSION}" "/dotnet_${DOTNET_LATEST}/sdk/${DOTNET_OTHER_SDK_VERSION}"
    else
      break
    fi
  done
else
  echo "**** Existing dotnet install is up to date, skipping ****"
fi