#!/usr/bin/env bash

set -e

export DEBIAN_FRONTEND=noninteractive

INSTALL_PREPARE="ca-certificates openssl gpg dirmngr chrony tzdata"
INSTALL_UTILITY="fish tmux micro mc coreutils moreutils jq yq sd fzf zip unzip rsync ncdu duf chafa glances procps lsof cron"
INSTALL_NETWORK="sshuttle curl httpie hey iproute2 dnsutils mtr iputils-ping tcpdump nmap socat netcat-openbsd"
INSTALL_DEVELOP="gcc g++ make cmake binutils pkg-config libssl-dev rustup git git-lfs docker.io docker-compose-v2"

# setup
if [ ! -f /.dockerenv ]; then
  sudo update-locale LANG=C.UTF-8 LC_ALL=C.UTF-8
  source /etc/default/locale
fi

sudo tee /etc/apt/apt.conf.d/99-minimal >/dev/null <<'EOF'
APT::Install-Recommends "false";
APT::Install-Suggests "false";
APT::Get::Upgrade "false";
EOF

sudo apt update
sudo apt install -y $INSTALL_PREPARE $INSTALL_UTILITY $INSTALL_NETWORK $INSTALL_DEVELOP

# tweak
ME=$(whoami)

declare -A SETUP_FILES=(
  [tmux.conf]=~/.tmux.conf
  [micro.json]=~/.config/micro/settings.json
  [loadenv.fish]=~/.config/fish/functions/loadenv.fish
  [fish_prompt.fish]=~/.config/fish/functions/fish_prompt.fish
  [sysctl.conf]=/etc/sysctl.d/99-tweak.conf
  [limits.conf]=/etc/security/limits.d/99-tweak.conf
)

for file in "${!SETUP_FILES[@]}"; do
  dest="${SETUP_FILES[$file]}"
  data=$(cat "$(dirname "$0")/setup/$file" 2>/dev/null || true)
  data=${data:-$(curl -fSL "https://bash.cc/setup/$file")}
  data=${data//\{CURRENT_USER\}/$ME}
  mkdir -p "$(dirname "$dest")" 2>/dev/null || sudo mkdir -p "$(dirname "$dest")"
  { printf '%s\n' "$data" > "$dest"; } 2>/dev/null || printf '%s\n' "$data" | sudo tee "$dest" >/dev/null
done

if [ ! -f /.dockerenv ]; then
  sudo sysctl --system
fi

sudo chsh -s /usr/bin/fish "$ME"
fish -c "set -Ux fish_features qmark-noglob"
fish -c "alias --save serve='python3 -m http.server'"

mkdir -p ~/.config/mc
[ -f ~/.config/mc/mc.ext.ini ] || cp /etc/mc/mc.ext.ini ~/.config/mc/mc.ext.ini
sd '(?m)^\[Include/image\]\n[^\[]*' '[Include/image]\nOpen=chafa %f | less -R\nView=chafa %f | less -R\n\n' ~/.config/mc/mc.ext.ini

git lfs install
git config --global core.eol lf
git config --global core.autocrlf input
git config --global bash.showUntrackedFiles true

if systemctl is-active --quiet systemd-resolved 2>/dev/null; then
  sudo systemctl disable --now systemd-resolved
  sudo rm -f /etc/resolv.conf
  sudo tee /etc/resolv.conf >/dev/null <<'EOF'
nameserver 8.8.8.8
nameserver 8.8.4.4
EOF
  sudo chattr +i /etc/resolv.conf
fi

sudo mkdir -p /etc/docker
sudo usermod -aG docker "$ME"
(cat /etc/docker/daemon.json 2>/dev/null || echo '{}') | jq '. + {"userland-proxy": false}' | sudo sponge /etc/docker/daemon.json

if [ ! -f /.dockerenv ] && [ -z "$(docker ps -q 2>/dev/null)" ]; then
  sudo systemctl restart docker
fi

# final
sudo mkdir -p /app
sudo chown "$ME:$(id -gn)" /app

echo "Done"