#!/usr/bin/env bash

#
# Run clang-format on selected parts of text in an Anvil window body.
#

BASE_STYLE=Mozilla

clang_parts=""

# Get the selections of the current window in CSV format and strip off the CSV header line.
selections=`curl -s -H 'Accept: text/csv' -H "Anvil-Sess: $ANVIL_API_SESS" http://localhost:$ANVIL_API_PORT/wins/$ANVIL_WIN_ID/selections | tail -n +2`
if [ "$selections" != "" ]
then
  for sel in $selections
  do
    #echo "selection: $sel"
    offset=`echo $sel | cut -d, -f1,1`
    length=`echo $sel | cut -d, -f3,3`

    clang_parts="$clang_parts -offset $offset -length $length"
  done

# >&2 echo "parts are: $clang_parts"
fi

# Get contents of window, pipe it through clang-format, then put the result back into the window.

curl -s -H "Anvil-Sess: $ANVIL_API_SESS" http://localhost:$ANVIL_API_PORT/wins/$ANVIL_WIN_ID/body | \
  clang-format -style="{BasedOnStyle: $BASE_STYLE, IndentWidth: 4, ColumnLimit: 0}" $clang_parts | \
  curl -X PUT -s -H "Anvil-Sess: $ANVIL_API_SESS" --data-binary @- http://localhost:$ANVIL_API_PORT/wins/$ANVIL_WIN_ID/body