# Copyright 2012, Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can
# be found in the LICENSE file.

# Import prepend_path function.
dir="$(dirname "${BASH_SOURCE[0]}")"
source "${dir}/tools/shell_functions.inc"
if [ $? -ne 0 ]; then
  echo "failed to load tools/shell_functions.inc"
  return 1
fi

export VTTOP=$(pwd)
export VTROOT="${VTROOT:-${VTTOP/\/src\/github.com\/youtube\/vitess/}}"
# VTTOP sanity check
if [[ "$VTTOP" == "${VTTOP/\/src\/github.com\/youtube\/vitess/}" ]]; then
  echo "WARNING: VTTOP($VTTOP) does not contain src/github.com/youtube/vitess"
fi
export GOTOP=$VTTOP/go
export PYTOP=$VTTOP/py

export VTDATAROOT="$VTROOT/vtdataroot"
mkdir -p $VTDATAROOT

export VTPORTSTART=15000

export GO15VENDOREXPERIMENT=1

for pypath in $(find $VTROOT/dist -name site-packages -or -name dist-packages | grep -v src/python/grpcio/.tox/py27/lib/python2.7/site-packages)
do
  export PYTHONPATH=$(prepend_path $PYTHONPATH $pypath)
done

export PYTHONPATH=$(prepend_path $PYTHONPATH $VTROOT/py-vtdb)
export PYTHONPATH=$(prepend_path $PYTHONPATH $VTTOP/test)

# Add the current GOBIN
if [ "$GOBIN" ]; then
  export PATH=$(prepend_path $PATH $GOBIN)
fi

# Many tests rely on "go install" and assume GOBIN is really $VTROOT/bin.
# Make sure these take precedence.
export GOBIN=$VTROOT/bin
export PATH=$(prepend_path $PATH $GOBIN)

# If we have a custom built mysql, prefer it over the default installation.
export PATH=$(prepend_path $PATH $VTROOT/dist/mysql/bin)

# GOROOT sanity
go_bin=`which go`
go_env=`go env | grep GOROOT | cut -f 2 -d\"`
if [ "$go_bin" -a "$go_bin" != "$go_env/bin/go" ]; then
  echo "WARNING: \$GOROOT may not compatible with the used go binary"
  echo "Please make sure 'go' comes from \$GOROOT/bin"
  echo "go_env: $go_env"
  echo "go_bin: $go_bin"
fi

# mysql install location. Please set based on your environment.
# Build will not work if this is incorrect.

if [[ "$VT_MYSQL_ROOT" == "" ]]; then
  if [[ "$(which mysql_config)" == "" ]]; then
     echo "WARNING: VT_MYSQL_ROOT unset because mysql_config not found. Did you install a client dev package?"
  else
    export VT_MYSQL_ROOT=$(dirname $(dirname $(which mysql_config)))
  fi
fi

# restore MYSQL_FLAVOR, saved by bootstrap.sh
if [ -r $VTROOT/dist/MYSQL_FLAVOR ]; then
  export MYSQL_FLAVOR=`cat $VTROOT/dist/MYSQL_FLAVOR`
fi

# mysql cgo library config
if [ -z "$MYSQL_FLAVOR" ]; then
  export MYSQL_FLAVOR=MariaDB
fi
case "$MYSQL_FLAVOR" in
  "MySQL56")
    ;;
  "MariaDB")
    export LD_LIBRARY_PATH=$(prepend_path $LD_LIBRARY_PATH $VT_MYSQL_ROOT/lib)
    export CGO_CFLAGS="$CGO_CFLAGS -I$VT_MYSQL_ROOT/include"
    ;;
  *)
    echo "Unsupported MYSQL_FLAVOR $MYSQL_FLAVOR"
    ;;
esac
export PKG_CONFIG_PATH=$(prepend_path $PKG_CONFIG_PATH $VTROOT/lib)

# zookeeper cgo library config
zk_ver=3.4.6
export CGO_CFLAGS="$CGO_CFLAGS -I$VTROOT/dist/vt-zookeeper-$zk_ver/include/zookeeper"
export CGO_LDFLAGS="$CGO_LDFLAGS -L$VTROOT/dist/vt-zookeeper-$zk_ver/lib"
export LD_LIBRARY_PATH=$(prepend_path $LD_LIBRARY_PATH $VTROOT/dist/vt-zookeeper-$zk_ver/lib)

# needed to correctly import grpc if it's not installed globally
grpc_dist=$VTROOT/dist/grpc
if [ -f $grpc_dist/.build_finished ]; then
  export LD_LIBRARY_PATH=$(prepend_path $LD_LIBRARY_PATH $grpc_dist/usr/local/lib)
fi

export GOPATH=$(prepend_path $GOPATH $VTROOT)

# Useful aliases. Remove if inconvenient.
alias gt="cd $GOTOP"
alias pt="cd $PYTOP"
alias vt="cd $VTTOP"