#!/usr/bin/env bash

set -euo pipefail

BASE_DIR="$HOME/.config/pdev-dotfiles"
CONFIG_DIR="$HOME/.config"
BACKUP_DIR="$HOME/.config-backup-$(date +%Y%m%d-%H%M%S)"

REPOS=(
  "hypr|https://git.pepe44.dev/Pepe44DEV/Hyprland-Config.git"
  "waybar|https://git.pepe44.dev/Pepe44DEV/Waybar-Config.git"
  "wofi|https://git.pepe44.dev/Pepe44DEV/Wofi-Config.git"
  "swaync|https://git.pepe44.dev/Pepe44DEV/Swaync-Config.git"
)

PACKAGES=(
  hyprland
  waybar
  wofi
  swaync
  kitty
  fish
  starship
  cava
  git
)

log() {
  echo "[INFO] $1"
}

backup_config() {
  local name="$1"
  if [ -e "$CONFIG_DIR/$name" ]; then
    mkdir -p "$BACKUP_DIR"
    log "Sichere $CONFIG_DIR/$name nach $BACKUP_DIR/$name"
    mv "$CONFIG_DIR/$name" "$BACKUP_DIR/$name"
  fi
}

install_packages() {
  if command -v pacman >/dev/null 2>&1; then
    log "Installiere benötigte Pakete..."
    sudo pacman -S --needed "${PACKAGES[@]}"
  else
    log "Pacman nicht gefunden, Paketinstallation übersprungen."
  fi
}

clone_or_update_repo() {
  local name="$1"
  local url="$2"
  local target="$BASE_DIR/$name"

  if [ -d "$target/.git" ]; then
    log "Update $name ..."
    git -C "$target" pull
  else
    log "Clone $name ..."
    git clone "$url" "$target"
  fi
}

install_config() {
  local name="$1"
  local repo_path="$BASE_DIR/$name"

  if [ ! -d "$repo_path" ]; then
    log "Repo für $name nicht gefunden, überspringe."
    return
  fi

  backup_config "$name"
  log "Installiere $name nach $CONFIG_DIR/$name"
  cp -r "$repo_path" "$CONFIG_DIR/$name"
}

main() {
  mkdir -p "$BASE_DIR"
  mkdir -p "$CONFIG_DIR"

  install_packages

  for entry in "${REPOS[@]}"; do
    IFS="|" read -r name url <<< "$entry"
    clone_or_update_repo "$name" "$url"
  done

  for entry in "${REPOS[@]}"; do
    IFS="|" read -r name url <<< "$entry"
    install_config "$name"
  done

  echo
  echo "Fertig."
  if [ -d "$BACKUP_DIR" ]; then
    echo "Backup liegt hier: $BACKUP_DIR"
  fi
}

main "$@"