#!/usr/bin/env bash

set -euo pipefail

RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
NC='\033[0m'

print_info() {
    echo -e "${BLUE}📘${NC} $1"
}

print_success() {
    echo -e "${GREEN}✅${NC} $1"
}

print_error() {
    echo -e "${RED}❌${NC} $1"
}

HOSTNAME="${1:-tahani}"

print_info "Building and switching configuration for $HOSTNAME"

# Build
print_info "Building configuration..."
if ! nix build ".#nixosConfigurations.$HOSTNAME.config.system.build.toplevel" --no-link "${@:2}"; then
    print_error "Build failed"
    exit 1
fi

print_success "Build completed"

# Switch - note this requires sudo permissions
print_info "Switching to new configuration (requires sudo)..."
if [[ "$EUID" -ne 0 ]]; then
    sudo nixos-rebuild switch --flake ".#$HOSTNAME" "${@:2}"
else
    nixos-rebuild switch --flake ".#$HOSTNAME" "${@:2}"
fi

print_success "Build and switch completed successfully"