import click
from .config import Config
from .dns import DNSManager
from .ingress import IngressManager
from .router import RouterManager
from .proxmox import ProxmoxManager
from .samba import SambaManager
import sys

@click.group()
@click.option('--config', help='Path to config file')
@click.pass_context
def cli(ctx, config):
    """LoopAware Infrastructure Management CLI"""
    try:
        ctx.obj = Config(config)
    except Exception as e:
        click.echo(f"Error: {e}", err=True)
        sys.exit(1)

@cli.group()
def proxmox():
    """Manage Proxmox VMs and Containers"""
    pass

@proxmox.command(name='list-lxcs')
@click.option('--node', help='Proxmox node name')
@click.pass_obj
def proxmox_list_lxcs(config, node):
    mgr = ProxmoxManager(config, node)
    click.echo(mgr.list_lxcs())

@proxmox.command(name='create-lxc')
@click.argument('vmid')
@click.argument('template')
@click.argument('hostname')
@click.argument('ip')
@click.argument('gateway')
@click.option('--node', help='Proxmox node name')
@click.option('--password', help='Root password for LXC')
@click.pass_obj
def proxmox_create_lxc(config, vmid, template, hostname, ip, gateway, node, password):
    mgr = ProxmoxManager(config, node)
    mgr.create_lxc(vmid, template, hostname, ip, gateway, password=password)
    click.echo(f"LXC {vmid} ({hostname}) created on {mgr.node_name or 'default node'}")

@cli.group()
def samba():
    """Manage Samba AD Identity"""
    pass

@samba.command(name='list-users')
@click.pass_obj
def samba_list_users(config):
    mgr = SambaManager(config)
    click.echo(mgr.list_users())

@samba.command(name='add-user')
@click.argument('username')
@click.argument('password')
@click.pass_obj
def samba_add_user(config, username, password):
    mgr = SambaManager(config)
    mgr.add_user(username, password)
    click.echo(f"User {username} created")

@samba.command(name='add-to-group')
@click.argument('group')
@click.argument('username')
@click.pass_obj
def samba_add_to_group(config, group, username):
    mgr = SambaManager(config)
    mgr.add_to_group(group, username)
    click.echo(f"User {username} added to group {group}")

@cli.group()
def dns():
    """Manage DNS and DHCP"""
    pass

@dns.command(name='add-host')
@click.argument('mac')
@click.argument('ip')
@click.argument('hostname')
@click.pass_obj
def dns_add_host(config, mac, ip, hostname):
    mgr = DNSManager(config)
    mgr.add_host(mac, ip, hostname)
    click.echo(f"Added host {hostname} ({ip})")

@dns.command(name='remove-host')
@click.argument('mac')
@click.pass_obj
def dns_remove_host(config, mac):
    mgr = DNSManager(config)
    mgr.remove_host(mac)
    click.echo(f"Removed host {mac}")

@dns.command(name='add-dns')
@click.argument('domain')
@click.argument('ip')
@click.pass_obj
def dns_add_dns(config, domain, ip):
    mgr = DNSManager(config)
    mgr.add_dns(domain, ip)
    click.echo(f"Added DNS record for {domain} -> {ip}")

@dns.command(name='remove-dns')
@click.argument('domain')
@click.pass_obj
def dns_remove_dns(config, domain):
    mgr = DNSManager(config)
    mgr.remove_dns(domain)
    click.echo(f"Removed DNS record for {domain}")

@dns.command(name='list')
@click.pass_obj
def dns_list(config):
    mgr = DNSManager(config)
    data = mgr.list()
    click.echo(data['hosts'])
    click.echo(data['dns'])

@cli.group()
def ingress():
    """Manage HAProxy Ingress"""
    pass

@ingress.command(name='add')
@click.argument('domain')
@click.argument('ip')
@click.argument('port', type=int)
@click.option('--https', is_flag=True, help='Target uses HTTPS')
@click.pass_obj
def ingress_add(config, domain, ip, port, https):
    mgr = IngressManager(config)
    mgr.add(domain, ip, port, https)
    click.echo(f"Added ingress for {domain}")

@ingress.command(name='remove')
@click.argument('domain')
@click.pass_obj
def ingress_remove(config, domain):
    mgr = IngressManager(config)
    mgr.remove(domain)
    click.echo(f"Removed ingress for {domain}")

@ingress.command(name='list')
@click.pass_obj
def ingress_list(config):
    mgr = IngressManager(config)
    click.echo(mgr.list())

@cli.group()
def router():
    """Manage Router Port Forwards"""
    pass

@router.command(name='add')
@click.argument('name')
@click.argument('proto')
@click.argument('ext_port')
@click.argument('int_ip')
@click.argument('int_port')
@click.pass_obj
def router_add(config, name, proto, ext_port, int_ip, int_port):
    import ipaddress
    # Validate IP and Ports in CLI layer for better error messages
    try:
        ipaddress.ip_address(int_ip)
    except ValueError:
        raise click.BadParameter(f"Invalid internal IP address: {int_ip}")
    
    for p in [ext_port, int_port]:
        if not (1 <= int(p) <= 65535):
            raise click.BadParameter(f"Port {p} out of range (1-65535)")

    mgr = RouterManager(config)
    mgr.add_forward(name, proto, ext_port, int_ip, int_port)
    click.echo(f"Added port forward {name}")

@router.command(name='remove')
@click.argument('section')
@click.pass_obj
def router_remove(config, section):
    mgr = RouterManager(config)
    try:
        mgr.remove_forward(section)
        click.echo(f"Removed port forward {section}")
    except ValueError as e:
        click.echo(f"Error: {e}", err=True)
        sys.exit(1)

@router.command(name='list')
@click.pass_obj
def router_list(config):
    mgr = RouterManager(config)
    for rule in mgr.list():
        click.echo(f"[{rule['section']}] {rule['name']}: {rule['proto']} {rule['port']} -> {rule['dest']}")

def main():
    cli(obj={})

if __name__ == "__main__":
    main()