#!/usr/bin/env bash
set -e

RED="\e[1;31m"
GREEN="\e[1;32m"
BLUE="\e[1;34m"
RESET="\e[0m"

clean() {
    echo "cleaning build dir"
    rm -rf build
}

incremental_build() {
    mkdir -p ../build
    cd build
    cmake ..
    make -j"$(nproc)"
}

clean_build() {
    local starttime endtime elapsed

    starttime=$(date +%s)

    clean

    mkdir -p build
    cd build || return 1

    printf "${BLUE}==> Doing a clean build...${RESET}\n"

    cmake .. || {
        printf "${RED}CMake configuration failed.${RESET}\n"
        return 1
    }

    if make -j"$(nproc)"; then
        endtime=$(date +%s)
        elapsed=$((endtime - starttime))
        printf "${GREEN}Build completed in %d seconds.${RESET}\n" "$elapsed"
    else
        printf "${RED}Build failed.${RESET}\n"
        return 1
    fi
}

release_build() {
    if [ -d "build" ]; then
        rm -rf "build"
        echo "removing build directory"
    fi
    mkdir "build"
    cd build 
    echo "starting cmake and make processes"
    cmake -DCMAKE_BUILD_TYPE=Release ..
    make -j"$(nproc)"
}

run_executable() {
    ./build/SubWave
}

clean_appimage() {
    if [ -e "SubWave-x86_64.AppImage" ]; then 
        rm -rf SubWave-x86_64.AppImage
        echo "Removed AppImage"
    fi
    echo "No AppImage found, aborting"
}


case "${1:-build}" in
    clean|c)
        clean
        ;;
    build|incremental|ib)
        incremental_build
        ;;
    cleanbuild|cb)
        clean_build
        ;;
    run|exec|r)
        run_executable
        ;;
    release|rb)
        release_build
        ;;
    cai|clean_appimage|cleanimg)
        clean_appimage
        ;;
    cbr|clean_build_run)
        clean_build || exit 1
        # build leaves us in build dir, so change back 1 so we can run the exec
        cd ..
        printf "${BLUE} Running Executable ; All logs below are from SubWave ${RESET}"
        run_executable || exit 1
        printf "${BLUE} Completed running the executable ; DONE ${RESET}\n"
        ;;
    *)
        echo "Usage: $0 {build|clean|cleanbuild|cb}"
        exit 1
        ;;
esac