#!/usr/bin/env bash

# Konfiguration
DEBUG=true
LOGFILE="/tmp/install.log"

# Logging-Setup
if [ "$DEBUG" = true ]; then
  echo "🛠 Debugmodus aktiv"
  set -x
else
  echo "🔒 Starte im Silent-Modus – Logfile: $LOGFILE"
  exec > >(tee -a "$LOGFILE") 2>&1
fi

# Pausieren im Debug-Modus
pause_if_debug() {
  if [ "$DEBUG" = true ]; then
    printf "🔍 DEBUG: Drücke [Enter] um fortzufahren..."
    read dummy < /dev/tty
  fi
}

log() {
  echo "$@"
}

run() {
  if [ "$DEBUG" = true ]; then
    "$@"
  else
    "$@" >> "$LOGFILE" 2>&1
  fi
}

apt_safe_upgrade() {
  log "🔁 Führe sicheres System-Upgrade durch..."

  if [ "$DEBUG" = true ]; then
    sudo DEBIAN_FRONTEND=noninteractive nala upgrade -y
  else
    sudo DEBIAN_FRONTEND=noninteractive nala upgrade -y >> "$LOGFILE" 2>&1
  fi

  if [ $? -eq 0 ]; then
    log "✅ System-Upgrade erfolgreich abgeschlossen."
  else
    log "❌ Fehler beim System-Upgrade. Details siehe $LOGFILE"
  fi
}

# ------------------------------------------------------------------------------
log "📦 Installiere Pakete..."
log "📦 Versuche nala zu installieren..."

if ! sudo apt install -y nala; then
  log "⚠️  nala konnte nicht direkt installiert werden. Versuche Quelle hinzuzufügen..."

  # Paketquelle für nala hinzufügen
  echo "deb [trusted=yes] http://deb.volian.org/volian/ scar main" | sudo tee /etc/apt/sources.list.d/volian-archive-scar.list > /dev/null
  wget -qO - https://deb.volian.org/volian/scar.key | sudo gpg --dearmor -o /etc/apt/trusted.gpg.d/volian-archive-scar.gpg

  sudo apt update

  # Erneuter Installationsversuch
  if ! sudo apt install -y nala; then
    log "❌ nala konnte auch nach Hinzufügen der Quelle nicht installiert werden. Updates müssen später manuell installiert werden"
    run sudo apt install alacritty ninja-build gettext libtool-bin cmake g++ pkg-config unzip curl git tmux build-essential manpages-dev clangd python3-jedi zsh -y
  else
    apt_safe_upgrade
    run sudo nala install alacritty ninja-build gettext libtool-bin cmake g++ pkg-config unzip curl git tmux build-essential manpages-dev clangd python3-jedi zsh -y
  fi
else
  log "✅ nala erfolgreich installiert."
  apt_safe_upgrade
  run sudo nala install alacritty ninja-build gettext libtool-bin cmake g++ pkg-config unzip curl git tmux build-essential manpages-dev clangd python3-jedi zsh -y
fi

pause_if_debug
clear

log "📥 Lade Daten"
run git clone https://git.boergmann.it/klaas/shellskripte
cd shellskripte || exit 1
run cp ./configs/zshrc ~/.zshrc
run cp .config/tmux.conf ~/.tmux.conf
mkdir -p ~/.ssh
run cp ./ssh/authorized_keys ~/.ssh/authorized_keys
run sudo sh ./ssh/ssh_password -n
pause_if_debug
clear

log "🧪 Installiere Neovim"
cd ~
run git clone https://github.com/neovim/neovim
cd neovim || exit 1
run git checkout stable
run make CMAKE_BUILD_TYPE=RelWithDebInfo
run sudo make install
cd ~
rm -Rf neovim

log "⚙️ Konfiguriere Neovim"
mkdir -p ~/.config/nvim
run cp ~/shellskripte/configs/init.vim ~/.config/nvim/init.vim
sh -c 'curl -fLo "${XDG_DATA_HOME:-$HOME/.local/share}"/nvim/site/autoload/plug.vim --create-dirs \
       https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim'
nvim --headless +PlugInstall +qa
nvim --headless -c 'CocInstall -sync coc-python' -c 'qall'
nvim --headless -c 'CocInstall -sync coc-clangd' -c 'qall'
pause_if_debug
clear

log "⬇️ Installiere Node.js via nvm"
curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.3/install.sh | bash
export NVM_DIR="$HOME/.nvm"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
nvm install v20

log "📦 Installiere Node.js Tools"
run npm install -g yarn
run npm install -g nodemon

log "🔌 Neovim NodeJS-Sprachunterstützung"
cd ~/.local/share/nvim/plugged/coc.nvim || exit 1
run yarn install
run yarn build

log "🧹 Aufräumen"
rm -Rf ~/shellskripte

log "🔤 Installiere JetBrainsMono Nerd Font..."

FONT_DIR="$HOME/.local/share/fonts"
mkdir -p "$FONT_DIR"

# Lade nur die Mono-Version (komplettes Nerd Font Paket ist riesig)
run wget -O "$FONT_DIR/JetBrainsMonoNerdFontMono-Regular.ttf" \
  https://github.com/ryanoasis/nerd-fonts/releases/download/v3.1.1/JetBrainsMono.zip

# Entpacken
TEMP_FONT_ZIP="/tmp/JetBrainsMono.zip"
run wget -O "$TEMP_FONT_ZIP" https://github.com/ryanoasis/nerd-fonts/releases/download/v3.1.1/JetBrainsMono.zip
run unzip -o "$TEMP_FONT_ZIP" -d "$FONT_DIR/JetBrainsMono"

# Optional: Nur *.ttf in den Font-Ordner verschieben
find "$FONT_DIR/JetBrainsMono" -type f -name "*.ttf" -exec mv {} "$FONT_DIR/" \;
rm -Rf "$FONT_DIR/JetBrainsMono" "$TEMP_FONT_ZIP"

# Font-Cache aktualisieren
run fc-cache -fv "$FONT_DIR"

log "✅ JetBrainsMono Nerd Font installiert."

log "🖥️ Setze Alacritty als Standard-Terminal..."

if command -v update-alternatives &>/dev/null; then
  sudo update-alternatives --install /usr/bin/x-terminal-emulator x-terminal-emulator /usr/bin/alacritty 50
  sudo update-alternatives --set x-terminal-emulator /usr/bin/alacritty
  log "✅ Alacritty ist nun das Standard-Terminal (x-terminal-emulator)."
else
  log "⚠️ Konnte update-alternatives nicht finden – bitte Terminal manuell setzen."
fi

log "⚙️ Konfiguriere Alacritty mit JetBrainsMono Nerd Font..."

ALACRITTY_CONFIG_DIR="$HOME/.config/alacritty"
mkdir -p "$ALACRITTY_CONFIG_DIR"

# Beispielhafte minimale Konfiguration
cat > "$ALACRITTY_CONFIG_DIR/alacritty.yml" <<EOF
font:
  normal:
    family: JetBrainsMono Nerd Font
    style: Regular
  size: 11.0
EOF

log "✅ Alacritty konfiguriert mit JetBrainsMono Nerd Font."

log "💬 Zsh als Standardshell setzen"
run sudo usermod -s /bin/zsh klaas