#! /usr/bin/env bash

name=$1
cmake_version=$2
c_standard=$3

if [ -z $name ]
then
  echo "Name must be specified"
  echo ""
  echo "./cgen.sh <name> [cmake version] [C Standard]"
  exit -1
fi

if [ -z $cmake_version ]
then
  echo "No CMake version supplied...defaulting to 3.15"
  cmake_version="3.15"
fi

if [ -z $c_standard ]
then
  echo "No C Standard supplied...defaulting to 99"
  c_standard="99"
fi

mkdir $name
mkdir $name/src
mkdir $name/include

cmake_config=$name/CMakeLists.txt

touch $cmake_config


echo "cmake_minimum_required(VERSION $cmake_version)" >> $cmake_config
echo "project($name)" >> $cmake_config
echo "" >> $cmake_config
echo "set (CMAKE_C_STANDARD $c_standard)" >> $cmake_config
echo "" >> $cmake_config
echo "# The following lines enable compile_commands.json and dump it in the root of the project" >> $cmake_config
echo "# in order to allow YouCompleteMe to provide completion. You can delete these lines if your" >> $cmake_config
echo "# editor does not need/use \`compile_commands.json\`" >> $cmake_config
echo "" >> $cmake_config
echo "SET(CMAKE_EXPORT_COMPILE_COMMANDS ON)" >> $cmake_config
echo "" >> $cmake_config
echo "IF(EXISTS \"\${CMAKE_CURRENT_BINARY_DIR}/compile_commands.json\")" >> $cmake_config
echo "    EXECUTE_PROCESS(COMMAND \${CMAKE_COMMAND} -E copy_if_different" >> $cmake_config
echo "                        \${CMAKE_CURRENT_BINARY_DIR}/compile_commands.json" >> $cmake_config
echo "                        \${CMAKE_CURRENT_SOURCE_DIR}/compile_commands.json" >> $cmake_config
echo "                   )" >> $cmake_config
echo "ENDIF()" >> $cmake_config
echo "#-------- END YOUCOMPLETEME SECTION --------#" >> $cmake_config
echo "" >> $cmake_config
echo "" >> $cmake_config
echo "file(GLOB SOURCE \${PROJECT_SOURCE_DIR}/src/*.c)" >> $cmake_config
echo "file(GLOB INCLUDE \${PROJECT_SOURCE_DIR}/include/*.h)" >> $cmake_config
echo "" >> $cmake_config
echo "" >> $cmake_config
echo "include_directories(\${PROJECT_SOURCE_DIR}/include)" >> $cmake_config
echo "" >> $cmake_config
echo "" >> $cmake_config
echo "# Controls debug printing based on the compiled binary mode - check with #ifdef DEBUG_BUILD" >> $cmake_config
echo "IF(CMAKE_BUILD_TYPE MATCHES DEBUG)" >> $cmake_config
echo "message(\"-- Configuring debug build...\")" >> $cmake_config
echo "add_compile_definitions(DEBUG_BUILD)" >> $cmake_config
echo "ENDIF(CMAKE_BUILD_TYPE MATCHES DEBUG)" >> $cmake_config
echo "" >> $cmake_config
echo "add_executable($name \${SOURCE} \${INCLUDE})" >> $cmake_config

sample_file=$name/src/main.c

echo "#include <stdio.h>" >> $sample_file
echo ""
echo ""
echo "int main(int argc, char **argv)" >> $sample_file
echo "{" >> $sample_file
echo "    printf(\"Hello, world!\\n\");" >> $sample_file
echo "    return 0;" >> $sample_file
echo "}" >> $sample_file
echo "" >> $sample_file

git --version 2>&1 >/dev/null
GIT_IS_AVAILABLE=$?

if [ $GIT_IS_AVAILABLE -eq 0 ]
then
  git init $name
fi

echo "Created project $name."