# -*- coding: utf-8 -*-
from __future__ import print_function
import time
import willie

from ffpb import \
    ffpb_findnode_from_botparam, \
    mac2ipv6, playitsafe, pretty_date


def setup(bot):
    """Called by willie upon loading this plugin."""

    pass


def shutdown(bot):
    """Called by willie upon unloading this plugin."""

    pass


@willie.module.commands('raw-data')
def ffpb_peerdata(bot, trigger):
    """Show ALFRED data of the given node."""

    # identify node or bail out
    target_name = trigger.group(2)
    node = ffpb_findnode_from_botparam(bot, target_name)
    if node is None:
        return

    # query must be a PM or as OP in the channel
    if not playitsafe(bot, trigger, via_privmsg=True, node=node):
        # the check function already gives a bot reply, just exit here
        return

    # reply each key in the node's data
    for key in node:
        # skip some fields
        if key in ['hostname']:
            continue

        bot.say("{0}.{1} = {2}".format(
            node.get('hostname', '?-' + target_name),
            key, node[key]))


@willie.module.commands('info')
def ffpb_peerinfo(bot, trigger):
    """Show information of the given node."""

    # identify node or bail out
    target_name = trigger.group(2)
    node = ffpb_findnode_from_botparam(bot, target_name)
    if node is None:
        return

    # read node information
    info_mac = node.get('network', {}).get('mac', '??:??:??:??:??:??')
    info_id = node.get('node_id', info_mac.replace(':', ''))
    info_name = node.get('hostname', '?-' + info_id)

    info_hw = ""
    if "hardware" in node:
        model = node["hardware"]
        info_hw = " model='" + model + "'"

    info_fw = ""
    info_update = ""
    if "software" in node:
        if "firmware" in node["software"]:
            info_fw = " firmware=" + str(node["software"]["firmware"])

        if "autoupdater" in node["software"]:
            autoupdater = node["software"]["autoupdater"]
            info_update = " (autoupdater="+autoupdater+")"

    info_uptime = ""
    uptime = node.get('uptime', -1)

    if uptime > 0:
        days, rem_d = divmod(uptime, 86400)
        hours, rem_h = divmod(rem_d, 3600)
        minutes, _ = divmod(rem_h, 60)
        if days > 0:
            info_uptime = ' up {0}d {1}h'.format(days, hours)
        elif hours > 0:
            info_uptime = ' up {0}h {1}m'.format(hours, minutes)
        else:
            info_uptime = ' up {0}m'.format(minutes)

    info_clients = ""
    clientcount = node.get('clientcount')
    if not clientcount is None:
        clientcount = int(clientcount)
        info_clients = ' clients={0}'.format(clientcount)

    bot.say('[{1}]{2}{3}{4}{5}{6}'.format(
            info_mac, info_name,
            info_hw, info_fw, info_update,
            info_uptime, info_clients))


@willie.module.commands('last-seen')
@willie.module.commands('last_seen')
@willie.module.commands('lastseen')
def ffpb_lastseen(bot, trigger):
    """Display when the given node has last been seen."""

    # identify node or bail out
    target_name = trigger.group(2)
    node = ffpb_findnode_from_botparam(bot, target_name)
    if node is None:
        return

    node_name = node.get('hostname')

    last_seen = node.get('__UPDATED__')
    if last_seen is not None:
        a_value = int(last_seen.get('alfred'))
        b_value = int(last_seen.get('batadv'))
    else:
        a_value = b_value = None

    a_delta = time.time() - a_value if a_value is not None else None
    b_delta = time.time() - b_value if b_value is not None else None

    if a_value is None and b_value is None:
        bot.say('{0} wurde offenbar noch gar nicht gesehen?'.format(node_name))
        return

    if a_delta < 30 and b_delta < 30:
        bot.say('{0} wurde gerade eben gesehen.'.format(node_name))
        return

    if a_value is not None and b_value is not None and \
       abs(a_value - b_value) < 60:
        bot.say('{0} wurde zuletzt gesehen: {1}'.format(
                node_name,
                pretty_date((a_value + b_value) / 2)))
    else:
        bot.say('{0} wurde zuletzt gesehen: {1} (ALFRED,) bzw. {2} (BATMAN)'.format(
                node_name,
                pretty_date(a_value) if not a_value is None else "nie",
                pretty_date(b_value) if not b_value is None else "nie"
                ))


@willie.module.commands('uptime')
def ffpb_peeruptime(bot, trigger):
    """Display the uptime of the given node."""

    # identify node or bail out
    target_name = trigger.group(2)
    node = ffpb_findnode_from_botparam(bot, target_name)
    if node is None:
        return

    # get name and raw uptime from node
    info_name = node["hostname"]
    info_uptime = ''
    u_raw = None
    if 'statistics' in node and 'uptime' in node['statistics']:
        u_raw = node['statistics']['uptime']
    elif 'uptime' in node:
        u_raw = node['uptime']

    # pretty print uptime
    if not u_raw is None:
        uptime = int(float(u_raw))
        days, rem_d = divmod(uptime, 86400)
        hours, rem_h = divmod(rem_d, 3600)
        minutes, _ = divmod(rem_h, 60)
        if days > 0:
            info_uptime += '{0}d '.format(days)
        if hours > 0:
            info_uptime += '{0}h '.format(hours)
        info_uptime += '{0}m'.format(minutes)
        info_uptime += ' # raw: \'{0}\''.format(u_raw)
    else:
        info_uptime += '?'

    # reply to user
    bot.say('uptime(\'{0}\') = {1}'.format(info_name, info_uptime))


@willie.module.commands('link')
def ffpb_peerlink(bot, trigger):
    """Display MAC and link to statuspage for the given node."""

    # identify node or bail out
    target_name = trigger.group(2)
    node = ffpb_findnode_from_botparam(bot, target_name)
    if node is None:
        return

    # get node's MAC
    info_mac = node.get('mac')
    info_name = node.get('hostname')

    # get node's v6 address in the mesh (derived from MAC address)
    info_v6 = mac2ipv6(info_mac, 'fdca:ffee:ff12:132:')

    # reply to user
    bot.say('[{1}] mac {0} -> http://[{2}]/'.format(
            info_mac, info_name, info_v6))