#!/bin/sh

dotfiles="https://git.amolinae.com/amolinae06/dotfiles.git"
software="https://git.amolinae.com/amolinae06/installer/raw/branch/main/software.csv"
devware="https://git.amolinae.com/amolinae06/installer/raw/branch/main/devware.csv"

update_alpine(){
  printf "Updating alpine indexes.\n"
  doas apk update && doas apk upgrade
  printf "Updated successfully.\n"
}

apk_install(){
  doas apk add "$1" >/dev/null 2>&1; echo "installing $1"
}

bwapk_install (){ 
  doas bwroot apk add "$1" >/dev/null 2>&1; echo "installing $1 on chroot environment"
}

git_install(){
  cd $HOME/.local/src/; git clone "$1" >/dev/null 2>&1; echo "cloning from $1";
}

read_software(){
  [ -d "$HOME/.local/src/" ] || mkdir -p "$HOME/.local/src/"
  ([ -f "$1" ] && cp "$1" /tmp/temp.csv) || wget -qO- "$1" > /tmp/temp.csv

  tail -n +2 "/tmp/temp.csv" | sed -E ':a; s/("[^"]*),([^"]*")/\1\2/; ta' | while IFS=',' read -r NAME DESCRIPTION GIT GIT_URL; do
    case "$GIT" in
      "N") apk_install "$NAME" ;;
      "Y") git_install "$GIT_URL" ;;
      "D") bwapk_install "$NAME" ;;
      *) echo "ERROR: failed to determine $NAME."; exit 1 ;;
    esac
  done

  rm "/tmp/temp.csv"
  printf "Successfully installed all software!\n"
}

setup_greetd(){
  printf "Setting up greetd\n"
  
  [ -d "/etc/greetd" ] || doas mkdir "/etc/greetd"

  cat <<EOF | doas tee /etc/greetd/config.toml > /dev/null
[terminal]
vt = 7

[default_session]
command = "agreety --cmd $HOME/.local/bin/dwllaunch"
user = "greetd"
EOF

  doas rc-update add greetd default
  printf "Finished setting up greetd.\n"
}

setup_shell(){
  doas sed -i "/^$USER:/s#:[^:]*\$#:/bin/zsh#" /etc/passwd
  mkdir -p $HOME/.cache/zsh
  touch $HOME/.cache/zsh/history
  echo "changed $USER's shell to zsh"
}

setup_bluetooth(){
  printf "Setting up bluetooth\n"
  doas rc-update add bluetooth default
  printf "Done.\n"
}

setup_home(){
  xdg-user-dirs-update
  doas apk add git
  printf "Deploying dotfiles...\n"
  git clone --recursive $dotfiles >/dev/null 2>&1
  cd dotfiles
  rm -rf .git .gitmodules
  cp -r .config .zprofile $HOME
  cp -r .local/* $HOME/.local/
  cd $HOME
  rm -rf dotfiles/
  mkdir $HOME/Documents/Miscellaneous
  export PATH="$PATH:$(find ~/.local/bin -type d | paste -sd ':' -)"
  sed -i "s|/home/amolinae|/home/$USER|g" $HOME/.local/bin/bwroot
  doas apk del git
}

setup_chroot(){
  printf "Setting up chroot\n"
  doas apk add curl
  cd $HOME/Documents/Miscellaneous
  mkdir alpchroot
  curl -LO https://dl-cdn.alpinelinux.org/alpine/v3.20/main/x86_64/apk-tools-static-2.14.4-r1.apk
  tar -xzf apk-tools-static-*.apk
  ./sbin/apk.static -X https://dl-cdn.alpinelinux.org/alpine/v3.20/main -U --allow-untrusted -p alpchroot/ --initdb add alpine-base
  doas cp -L /etc/resolv.conf alpchroot/etc/
  doas chown -R $USER:$USER alpchroot/ >/dev/null 2>&1
  mkdir -p alpchroot/etc/apk
  doas cp /etc/apk/repositories alpchroot/etc/apk/repositories
  doas apk del curl
  rm -rf sbin/ .PKGINFO .SIGN.RSA.alpine-devel@lists.alpinelinux.org-6165ee59.rsa.pub apk-tools-static-2.14.4-r1.apk
  printf "Finished setting up chroot!\n"
}

compile() {
  cd "$HOME/.local/src/$1/"
  bwroot make clean install
}

echo "Welcome to the installer"
update_alpine
doas apk add git
read_software "$software"
doas setup-wayland-base
setup_greetd
setup_shell
setup_bluetooth
setup_home
setup_chroot
read_software "$devware"
compile dwl
compile slstatus
compile hellwal
compile ctpv
doas apk del git
printf "Installation finished, before you reboot please install packages you need (e.g nvidia/amd drivers)\n"; exit 0