#!/bin/bash

echo amount of arguments: $#

if [[ $# -ne 4 ]]; then
  echo "Build script has to be called with exactly two arguments."
  echo "The version number (Major.Minor.Patch) as its first argument."
  echo "... and the OS (linux, windows or macos) as the second argument"
  echo "TODO: DOCUMENT ARGUMENTS 3 & 4!!!"
  echo "Aborting..."
  exit 1
fi

VERSION=$1
regex='^([0-9]+\.){0,2}(\*|[0-9]+)$'
if [[ $VERSION =~ $regex ]]; then
 echo "Version accepted: $VERSION"
else
 echo "Version '$VERSION' is not acceptable. Aborting..."
 exit 1
fi

PLATFORM=$2
# TODO refactor this to use something like PLATFORMS.contains(PLATFORM)
if [[ $PLATFORM == linux ]]; then
  echo "OS: $PLATFORM"
  #QMAKE_EXE="qmake"
  COMPILER_EXE="make"
elif [[ $PLATFORM == windows ]]; then
  echo "OS: $PLATFORM"
  #QMAKE_EXE="$QMAKE_LOCATION/qmake"
  #COMPILER_EXE="$MINGWROOT/bin/mingw32-make"
elif [[ $PLATFORM == macos ]]; then
  echo "OS: $PLATFORM"
  #QMAKE_EXE="qmake"
  COMPILER_EXE="make"
else
 echo "Platform '$PLATFORM' is not acceptable. Aborting..."
 exit 1
fi

echo "Starting build ..."
OLD_PWD=$(pwd)
BUILD_DIR="_build"
echo "starting in: ${OLD_PWD}"

# if [[ -e $BUILD_DIR/$TARGET ]]; then
#   echo "old build dir has old content, cleaning the build directory..."
#   rm -r $BUILD_DIR/*
# fi
cd $BUILD_DIR
echo "Building in $(pwd) ..."

echo "Building whole project..."
echo "Running CMake..."
cmake -DCMAKE_BUILD_TYPE=Release ../../

echo "Compiling..."
$COMPILER_EXE