#
# Copyright 2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License").
# You may not use this file except in compliance with the License.
# A copy of the License is located at
#
#  http://aws.amazon.com/apache2.0
#
# or in the "license" file accompanying this file. This file is distributed
# on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
# express or implied. See the License for the specific language governing
# permissions and limitations under the License.
#

if [ -z "$PLATFORM" ]; then
	echo "You should run the setup.sh script."
	exit 1
fi

SOUND_CONFIG="$HOME/.asoundrc"
START_SCRIPT="$INSTALL_BASE/startsample.sh"
CMAKE_PLATFORM_SPECIFIC=(-DSENSORY_KEY_WORD_DETECTOR=ON \
    -DSENSORY_KEY_WORD_DETECTOR_LIB_PATH=$THIRD_PARTY_PATH/alexa-rpi/lib/libsnsr.a \
    -DSENSORY_KEY_WORD_DETECTOR_INCLUDE_DIR=$THIRD_PARTY_PATH/alexa-rpi/include)

GSTREAMER_AUDIO_SINK="alsasink"

install_dependencies() {
  sudo apt-get update
  sudo apt-get -y install git gcc cmake build-essential libsqlite3-dev libcurl4-openssl-dev libfaad-dev libsoup2.4-dev libgcrypt20-dev libgstreamer-plugins-bad1.0-dev gstreamer1.0-plugins-good libasound2-dev sox gedit vim python3-pip
  pip install flask commentjson
}

run_os_specifics() {
  build_kwd_engine
  configure_sound
}

configure_sound() {
  echo
  echo "==============> SAVING AUDIO CONFIGURATION FILE =============="
  echo

  cat << EOF > "$SOUND_CONFIG"
  pcm.!default {
    type asym
     playback.pcm {
       type plug
       slave.pcm "hw:0,0"
     }
     capture.pcm {
       type plug
       slave.pcm "hw:1,0"
     }
  }
EOF
}

build_kwd_engine() {
  #get sensory and build
  echo
  echo "==============> CLONING AND BUILDING SENSORY =============="
  echo

  cd $THIRD_PARTY_PATH
  git clone git://github.com/Sensory/alexa-rpi.git
  bash ./alexa-rpi/bin/license.sh
}

generate_start_script() {
  cat << EOF > "$START_SCRIPT"
  cd "$BUILD_PATH/SampleApp/src"

  ./SampleApp "$CONFIG_FILE" "$THIRD_PARTY_PATH/alexa-rpi/models" DEBUG9
EOF
}