#!/bin/bash

STEP=0
CURRENT_DIR=$(cd "$(dirname "$BASH_SOURCE")"; pwd)
TIMESTAMP=`date +%y-%m-%d_%H.%M.%S`
LOG_FILE=$CURRENT_DIR/"QASmoke_$TIMESTAMP.log"
SUCCESS_MESSAGE="***** SMOKE SUCCESSFUL *****"

Header()
{
  echo "Ran on `date` on `hostname`"
  echo "Original location: $LOG_FILE"
}

OneTimeSetup()
{
  echo "Performing one-time setup"
  set -x
  cp Engine/Build/Git/Setup.sh .
  ./Setup.sh
  rm Setup.sh
  set +x
}

GenerateProjectFiles()
{
  echo "Generating project files"
  set -x
  bash GenerateProjectFiles.sh
  set +x
}

BuildTarget()
{
  echo "Cleaning $1"
  set -x
  make $1 ARGS="-clean"
  set +x

  echo "Attempting timed build of $1"
  set -x
  time make $1
  set +x
  echo "$1 was successful"
}

CompileTPS()
{
  # FIXME: get rid of this step
  echo "Recompiling editor dependencies locally"
  set -x
  pushd Engine/Build/BatchFiles/Linux
  export VERBOSE=1
  ./BuildThirdParty.sh
  popd
  set +x
}

Run()
{
  STEP=$((STEP+1))
  echo "Step $STEP: $1 ${@:2}"
  echo "------------------------------------------------------------------------" >> $LOG_FILE
  echo "  Step $STEP $1 ${@:2}" >> $LOG_FILE
  echo "------------------------------------------------------------------------" >> $LOG_FILE
  $1 ${@:2} >> $LOG_FILE 2>&1
}

# Main
set -e
if [ -z "$1" ]; then
  echo "---------------"
  echo "This is a script for QA to manually smoke a branch"
  echo ""
  echo "Successful run should end with $SUCCESS_MESSAGE"
  echo "Any other messages indicate a problem - see `basename $LOG_FILE`"
  echo ""
  echo "---------------"
  

  pushd ../../../.. >> /dev/null
  Run Header
  Run OneTimeSetup
  Run GenerateProjectFiles

  # rebuild dependencies locally for editor targets (extra safety still)
  Run CompileTPS

  # build usual targets, roughly ascending by build time
  Run BuildTarget BlankProgram
  Run BuildTarget UnrealPak
  Run BuildTarget SlateViewer 
  Run BuildTarget UnrealClient
  Run BuildTarget UnrealGame
  Run BuildTarget UnrealServer 

  # build editor targets, roughly ascending by build time
  Run BuildTarget ShaderCompileWorker
  Run BuildTarget UnrealFrontend
  Run BuildTarget UnrealEditor
  popd >> /dev/null

else
  time Run $1
fi

echo "$SUCCESS_MESSAGE"