#!/bin/bash
  # Downlaods Api.ai chain model into exp/api.ai-model/ (will replace one if exists)
  
  DOWNLOAD_URL="https://github.com/api-ai/api-ai-english-asr-model/releases/download/1.0/api.ai-kaldi-asr-model.zip"
  
  echo "Downloading model"
  wget -N $DOWNLOAD_URL || ( echo "Unable to download model: $DOWNLOAD_URL" && exit 1 );
  
  echo "Unpacking model"
  unzip api.ai-kaldi-asr-model.zip || ( echo "Unable to extract api.ai-kaldi-asr-model.zip" && exit 1 );
  
  echo "Moving model to exp/api.ai-model/"
  if [ ! -d exp ]; then
    mkdir exp;
  fi;
  
  if [ -d exp/api.ai-model ]; then
    echo "Found existing model, removing";
    rm -rf exp/api.ai-model/
  fi
  
  mv api.ai-kaldi-asr-model exp/api.ai-model || ( echo "Unable to move model to exp/" && exit 1 )
  
  echo "Model is ready to use use recognize-wav.sh to do voice recognition"