#!/bin/bash
# script name: build_waydroid_v8.sh
# description: Build Waydroid for Debian or Ubuntu based distro v8
# upstream   : https://gist.github.com/cniw/98e204d7dbc73a3fa1bf61629b2a2fc1
# author     : Wachid Adi Nugroho <wachidadinugroho.maya@gmail.com>
# date       : 2022-07-07

NC='\033[0m'
RED='\033[1;91m'
GREEN='\033[1;92m'

if [ ! -f /usr/bin/dpkg ]
then
  echo -e "\n${RED}==> Can't run this script because your distro doesn't have dpkg package manager.${NC}\n"
  exit 1
fi

echo
echo -e "${GREEN}==> Updating repository ...${NC}"
sudo apt update || exit 1
echo -e "${GREEN}==> Updating repository, done.${NC}\n"
echo -e "${GREEN}==> Installing build tools packages ...${NC}"
sudo apt install -y \
  build-essential cdbs devscripts equivs fakeroot \
  git git-buildpackage git-lfs || exit 1
echo -e "${GREEN}==> Installing build tools packages, done.${NC}\n"

echo -e "${GREEN}==> Setting up build_changelog command ...${NC}"
sudo curl https://raw.githubusercontent.com/MrCyjaneK/waydroid-build/main/build_changelog \
  -o /usr/bin/build_changelog || exit 1
sudo chmod +x ${_} || exit 1
echo -e "${GREEN}==> Setting up build_changelog command, done${NC}\n"

echo -e "${GREEN}==> Setting up build directory ...${NC}"
mkdir -p ~/waydroid-build/packages
cd ${_%/*}
echo -e "${GREEN}==> Setting up build directory, done${NC}\n"

repos=(
  "https://github.com/sailfishos/libglibutil.git"
  "https://github.com/mer-hybris/libgbinder.git"
  "https://github.com/waydroid/gbinder-python.git"
  "https://github.com/waydroid/waydroid.git"
)

for i in ${repos[@]}
do
  url=${i}
  i=${i%*.git}; i=${i##*\/}
  echo -e "${GREEN}==========> Start preparing ${i} <==========${NC}"
  echo -e "${GREEN}==> Cloning git repository ${i} ...${NC}"
  [ -d ${i} ] && sudo rm -rf "${i}"
  git clone "${url}" || exit 1
  echo -e "${GREEN}==> Cloning git repository ${i}, done.${NC}\n"

  cd "${i}"
  echo 12 > debian/compat
  if [ ! -f debian/changelog ]; then
    echo -e "${GREEN}==> Building changelog ${i} ...${NC}"
    build_changelog $(git tag -l --sort=authordate | sed 's/[a-z/]//g' | uniq | tail -n1) || exit 1
    echo -e "${GREEN}==> Building changelog ${i}, done.${NC}\n"
  fi

  echo -e "${GREEN}==> Installing build dependencies for ${i} ...${NC}"
  sudo mk-build-deps -ir -t "apt -o Debug::pkgProblemResolver=yes -y --no-install-recommends" || exit 1
  echo -e "${GREEN}==> Installing build dependencies for ${i}, done.${NC}"
  echo -e "${GREEN}==========> Finish preparing ${i} <==========${NC}\n"

  echo -e "${GREEN}==========> Start building ${i} <==========${NC}"
  echo -e "${GREEN}==> Building package(s): ${i} ...${NC}"
  sudo debuild -b -uc -us
  if [ ! $? -eq 0 ]
  then
    echo -e "\n${RED}==> Building package(s): ${i}, failed.${NC}\n"
    exit 1
  else
    echo -e "${GREEN}==> Building package(s): ${i}, done.${NC}"
    echo -e "${GREEN}==========> Finish building ${i} <==========${NC}\n"

    cd ~/waydroid-build
    echo -e "${GREEN}==========> Start installing ${i} <==========${NC}"
    echo -e "${GREEN}==> Installing package(s): ${i} ...${NC}"
    sudo dpkg -i *.deb
    if [ ! $? -eq 0 ]
    then
      echo -e "${RED}==> Installing ${i}, error.${NC}"
      echo -e "${GREEN}==> Trying to fix it ...${NC}"
      sudo apt install -f -y || exit 1
      echo -e "${GREEN}==> Fixed.${NC}"
    fi
    echo -e "${GREEN}==> Installing ${i}, success.${NC}"
    echo -e "${GREEN}==> Installing package(s): ${i}, done.${NC}"
    echo -e "${GREEN}==========> Finish installing ${i} <==========${NC}\n"

    mv *.deb packages 2> /dev/null
    mv *.ddeb packages 2> /dev/null
    sudo rm -rf ${i}
  fi
done

echo -e "${GREEN}==> Successfully build and installing all packages${NC}"
echo -e "${GREEN}==> Packages archive saved in $(realpath ~)/waydroid-build/packages/${NC}"
ls -1 ~/waydroid-build/packages/
echo
sudo rm -f ~/waydroid-build/*.*  /usr/bin/build_changelog 2> /dev/null