#!/usr/bin/env bash

INCLUDE_STATEMENTS="-I code/inc/ -I code/exports/"
INVOCATION_PATH=`pwd`

function build_checks() {
    if [[ ! -f $INVOCATION_PATH/.build/libparcel.a ]] then
        build_debug
    fi
    cd checks/
    for check_folder in $(ls)
    do
        if [[ -f $check_folder ]] then
            continue
        fi

        cd $check_folder
        gcc src/*.c $INVOCATION_PATH/.build/libparcel.a    -o check.elf -I $INVOCATION_PATH/code/inc/
        cd ..
    done
}

function create_archive() {
    ar -rvs .build/libparcel.a .build/objects/*.o
}

function compile_sources() {

    rm -r .build/objects/
    rm .build/libparcel.a
    mkdir -p .build/objects
    for source_file in $(find "code/src/")
    do
        if [[ ! -f $source_file ]] then
            continue
        fi

        # Cut out the prefix (code/src/)
        BASENAME=`echo $source_file |  cut -c '10-'`
        echo "==== COMPILING $source_file ====" 
        gcc -c $COMPILATION_FLAGS -o .build/objects/$BASENAME.o $source_file $INCLUDE_STATEMENTS
    done
}

function build_debug() {
    COMPILATION_FLAGS="-g2 -Wall -Wextra -D__PAC_DEBUG__"
    compile_sources
    create_archive
}

function build_release() {
    COMPILATION_FLAGS="-O2 -Wall -D__PAC_RELEASE__"
    compile_sources
    create_archive
}

function clean() {
    rm -R .build/objects/*.o
    rm .build/libparcel.a
}

case $1 in
    "clean")
        clean
        ;;
    "debug")
        build_debug
        ;;
    "release")
        build_release
        ;;
    "checks")
        build_checks
        ;;
    *)
        echo "Unknown action '$1'. Possible Actions are:"
        echo "[ clean | debug | release | checks ]"
esac