#!/usr/bin/env bash

PROJECT_NAME="librr"
PROJECT_ROOT=`pwd`
GCC_ARGUMENTS="-std=c11 -Wall"

MODULES=(
    "core"
)

# Arguments:
#   1) Path to the module
#   2) Include Statements
function compile_folder() {

    OBJECTS_FOLDER="$PROJECT_ROOT/.build/objects/$1"
    mkdir -p $OBJECTS_FOLDER
    cd $PROJECT_ROOT/$1

    cd src-c/
    for SOURCE_FILE in $(find .)
    do
        # Create every folder except of the source root folder (src-c/).
        if [[ $SOURCE_FILE != "." ]] then
            if [[ -d $SOURCE_FILE ]] then
                mkdir $SOURCE_FILE
                continue
            fi
        fi
        
        if [[ ! -f $SOURCE_FILE ]] then
            continue
        fi

        # Cut out the ./ at the front of the path
        SOURCE_FILE=$(echo $SOURCE_FILE | cut -c 3-)

        echo "==== Building '$SOURCE_FILE' ===="
        gcc -c $GCC_ARGUMENTS -o $OBJECTS_FOLDER/$SOURCE_FILE.o $SOURCE_FILE $2
    done

    ar -rvs $PROJECT_ROOT/.build/$PROJECT_NAME-$1.a $OBJECTS_FOLDER/*.o
}

function compile_all_modules() {
    for MODULE in $MODULES
    do
        echo "============ CURRENT MODULE: $MODULE ============"
        compile_folder          \
            "$MODULE"           \
            "-I $PROJECT_ROOT/$MODULE/exports/"
    done
}

case $1 in
    "release")
        GCC_ARGUMENTS="$GCC_ARGUMENTS -O3"
        compile_all_modules
        ;;
    
    "small")
        GCC_ARGUMENTS="$GCC_ARGUMENTS -Os"
        compile_all_modules
        ;;

    "debug")
        GCC_ARGUMENTS="$GCC_ARGUMENTS -p -g3 -Wextra"
        compile_all_modules
        ;;

    *)
        echo "Please choose one of the following profiles:"
        echo "[ release | small | debug ]"
        ;;
esac