#!/bin/bash

backtrack_changes() {
	cp dragon/disk1.dr ../extra/dragon/disk1.dr
	cp dragon/cmos.dr ../extra/dragon/cmos.dr
	cp dragon/bios.bin ../extra/dragon/bios.bin
	cp dss/sdk/bios_api.dss ../extra/dss/sdk/bios_api.dss
}

set -e

MAKE_COMMAND=make
MAKEFILE_TYPE="Unix Makefiles"

if [ "$(expr substr $(uname -s) 1 10)" == "MINGW64_NT" ]; then
    MAKE_COMMAND=mingw32-make.exe
    MAKEFILE_TYPE="MinGW Makefiles"
fi

if [[ "$1" == "debug" || "$1" == "release" ]]; then
    BUILD_TYPE="$(tr '[:lower:]' '[:upper:]' <<< ${1:0:1})${1:1}"
    rm -rf bin
    cmake -B bin -S ./ -G "$MAKEFILE_TYPE" -DCMAKE_BUILD_TYPE=$BUILD_TYPE
    $MAKE_COMMAND -C bin -j$(nproc) --no-print-directory
    cp -r extra/* bin/
    typeset -i build_number=$(cat other/build.nr)
    ((build_number++))
    truncate -s 0 other/build.nr
    echo $build_number >> other/build.nr
elif [[ "$1" == "windows_release" ]]; then
    cd other
    chmod +x build_windows_release.sh
    ./build_windows_release.sh
    cd ../bin/DragonVM_w64
   	./reload_env.sh
    cd ../..
elif [[ "$1" == "linux_release" ]]; then
    cd other
    chmod +x build_linux_release.sh
    ./build_linux_release.sh
    cd ../bin/DragonVM_linux64
   	./reload_env.sh
    cd ../..
elif [[ "$1" == "dependencies" ]]; then
    cd other
    chmod +x build_dependencies.sh
    ./build_dependencies.sh
    cd ..
else
    cp -r extra/* bin/
    printf "\n\033[0;32mBuilding Changes...\n\n\033[0m"
    $MAKE_COMMAND -C bin -j$(nproc) --no-print-directory
    mkdir -p bin/disassembly
    if [[ "$1" == "run" ]]; then
    	printf "\n\033[0;32mRunning DragonVM runtime...\n\n\033[0m"
     	cd bin
      	./reload_env.sh
        ./dvm config/testMachine.dvm
        backtrack_changes
        cd ..
    elif [[ "$1" == "dbg" ]]; then
	    printf "\n\033[0;32mRunning DragonVM debug...\n\n\033[0m"
	    cd bin
		./reload_env.sh -D
	    ./ddb config/testMachine.dvm --verbose-load
		backtrack_changes
	    cd ..
    elif [[ "$1" == "dbgv" ]]; then
	    printf "\n\033[0;32mRunning DragonVM debug...\n\n\033[0m"
	    cd bin
		./reload_env.sh "-D --verbose-full"
	    ./ddb config/testMachine.dvm --verbose-load
		backtrack_changes
	    cd ..
	elif [[ "$1" == "gdb" ]]; then
	    printf "\n\033[0;32mDebugging Test Application...\n\n\033[0m"
	    cd bin
		./reload_env.sh
  		gdb -batch \
		    -ex 'set pagination off' \
		    -ex 'set print pretty on' \
		    -ex 'set logging file gdb-last.log' \
		    -ex 'set logging overwrite on' \
		    -ex 'set logging on' \
		    -ex 'handle SIGPIPE nostop noprint pass' \
		    -ex run \
		    -ex 'bt full' \
		    -ex 'info locals' \
		    -ex 'info args' \
		    -ex quit \
	        --args ./dvm config/testMachine.dvm
	    cd ..
    fi
fi