#!/bin/bash

set -euo pipefail

# Check if running with --local flag (already cloned and running locally)
if [[ "${1:-}" != "--local" ]]; then
    # Remote execution - clone repo and re-exec locally
    echo "[INFO] Cloning dotfiles and running local setup..."
    
    DOTFILES_DIR="$HOME/Repositories/dotfiles"
    
    if [[ ! -d "$DOTFILES_DIR" ]]; then
        echo "[INFO] Creating Repositories directory"
        mkdir -p "$HOME/Repositories"
        
        echo "[INFO] Cloning dotfiles repository"
        git clone https://github.com/vikdotdev/dotfiles.git "$DOTFILES_DIR"
    else
        echo "[INFO] Dotfiles repository already exists, pulling latest changes"
        cd "$DOTFILES_DIR"
        git pull origin master
    fi
    
    # Re-exec the local script with --local flag
    echo "[INFO] Running local install script..."
    chmod +x "$DOTFILES_DIR/bin/install-debian"
    exec "$DOTFILES_DIR/bin/install-debian" --local
fi

# Local execution from here on
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
DOT_HOME="$(dirname "$SCRIPT_DIR")"

# Source local utilities
source "$DOT_HOME/lib/debian/include.sh"

# Initialize
init_logging "install-debian"

# Don't run as root
if is_root; then
    log_error "Don't run install-debian as root/sudo. It will ask for sudo when needed."
    exit 1
fi

log_header "Debian Installation Setup"

# Check if we're on Debian-based system
if ! command_exists apt; then
    log_error "This script is designed for Debian-based systems"
    exit 1
fi

# Basic system setup
log_step "Setting up basic system requirements"

# Update package lists
log_info "Updating package lists"
ensure_sudo
log_command sudo apt update

# Install essential build tools and utilities ONLY
# Keep this minimal - only what's absolutely needed for the system to function
log_info "Installing minimal essential packages"
ESSENTIAL_PACKAGES=(
    "curl"
    "wget"
    "git"
    "build-essential"
    "apt-transport-https"
    "ca-certificates"
    "gnupg"
    "lsb-release"
)

log_command sudo apt install -y "${ESSENTIAL_PACKAGES[@]}"

# Setup Flatpak if not already installed
log_step "Setting up Flatpak for application management"
if ! command_exists flatpak; then
    log_info "Installing Flatpak"
    log_command sudo apt install -y flatpak
    
    # Add GNOME Software Flatpak plugin if using GNOME
    if [[ "${XDG_CURRENT_DESKTOP:-}" == *"GNOME"* ]]; then
        log_info "Installing GNOME Software Flatpak plugin"
        log_command sudo apt install -y gnome-software-plugin-flatpak
    fi
else
    log_info "Flatpak already installed"
fi

# Add Flathub repository
log_info "Setting up Flathub repository"
if ! flatpak remote-list --system 2>/dev/null | grep -q flathub; then
    log_command sudo flatpak remote-add --system --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
    log_success "Flathub repository added"
else
    log_info "Flathub repository already configured"
fi

# Mark system as installed  
mark_system_installed "debian"
log_success "System marked as Debian installation"

# Run dot install to install all packages and applications
log_step "Running dot install to set up all packages and applications"
"$DOT_HOME/bin/dot" install

# Run dot build to configure all dotfiles
log_step "Running dot build to configure all dotfiles"
"$DOT_HOME/bin/dot" build

log_success "Debian setup complete!"
echo
echo "All packages installed and dotfiles configured!"
echo "You may need to log out and back in for some changes to take effect."

finalize_logging "success"