#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
    Blockstack
    ~~~~~
    copyright: (c) 2014-2015 by Halfmoon Labs, Inc.
    copyright: (c) 2016 by Blockstack.org

    This file is part of Blockstack

    Blockstack is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    Blockstack is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
    You should have received a copy of the GNU General Public License
    along with Blockstack. If not, see <http://www.gnu.org/licenses/>.
""" 

import testlib
import pybitcoin
import json
import blockstack_client
import os
import sys
import time

wallets = [
    testlib.Wallet( "5JesPiN68qt44Hc2nT8qmyZ1JDwHebfoh9KQ52Lazb1m1LaKNj9", 100000000000 ),
    testlib.Wallet( "5KHqsiU9qa77frZb6hQy9ocV7Sus9RWJcQGYYBJJBb2Efj1o77e", 100000000000 ),
    testlib.Wallet( "5Kg5kJbQHvk1B64rJniEmgbD83FpZpbw2RjdAZEzTefs9ihN3Bz", 100000000000 ),
    testlib.Wallet( "5JuVsoS9NauksSkqEjbUZxWwgGDQbMwPsEfoRBSpLpgDX1RtLX7", 100000000000 ),
    testlib.Wallet( "5KEpiSRr1BrT8vRD7LKGCEmudokTh1iMHbiThMQpLdwBwhDJB1T", 100000000000 )
]

consensus = "17ac43c1d8549c3181b200f1bf97eb7d"
owner_address = None

def scenario( wallets, **kw ):

    global owner_address

    testlib.blockstack_namespace_preorder( "test", wallets[1].addr, wallets[0].privkey )
    testlib.next_block( **kw )

    testlib.blockstack_namespace_reveal( "test", wallets[1].addr, 52595, 250, 4, [6,5,4,3,2,1,0,0,0,0,0,0,0,0,0,0], 10, 10, wallets[0].privkey )
    testlib.next_block( **kw )

    testlib.blockstack_namespace_ready( "test", wallets[1].privkey )
    testlib.next_block( **kw )

    legacy_wallet = testlib.make_legacy_wallet( wallets[2].privkey, "0123456789abcdef" )
    testlib.store_wallet( legacy_wallet )

    res = testlib.blockstack_cli_setup_wallet("0123456789abcdef")
    if 'error' in res:
        print json.dumps(res, indent=4, sort_keys=True)
        return False

    if not res.has_key('backup_wallet'):
        print "no backup_wallet"
        print json.dumps(res, indent=4, sort_keys=True)
        return False

    if not os.path.exists(res['backup_wallet']):
        print "backup wallet doesn't exist"
        print json.dumps(res, indent=4, sort_keys=True)
        return False

    res = testlib.instantiate_wallet()
    if 'error' in res:
        print json.dumps(res, indent=4, sort_keys=True)
        return False

    payment_address = str(res['payment_address'])
    owner_address = str(res['owner_address'])

    # fill wallet with 5 BTC
    res = testlib.send_funds( wallets[3].privkey, 5 * 10**8, payment_address )
    if 'error' in res:
        print "failed to fill wallet"
        print json.dumps(res)
        return False
   
    testlib.next_block( **kw )

    # register
    resp = testlib.blockstack_cli_register( "foo.test", "0123456789abcdef" )
    if 'error' in resp:
        print >> sys.stderr, json.dumps(resp, indent=4, sort_keys=True)
        return False
   
    # wait for the preorder to get confirmed
    for i in xrange(0, 12):
        testlib.next_block( **kw )

    # wait for the poller to pick it up
    print >> sys.stderr, "Waiting 10 seconds for the backend to submit the register"
    time.sleep(10)

    # wait for the register to get confirmed 
    for i in xrange(0, 12):
        testlib.next_block( **kw )

    print >> sys.stderr, "Waiting 10 seconds for the backend to acknowledge registration"
    time.sleep(10)

    # wait for update to get confirmed 
    for i in xrange(0, 12):
        testlib.next_block( **kw )

    print >> sys.stderr, "Waiting 10 seconds for the backend to acknowledge update"
    time.sleep(10)


def check( state_engine ):

    global owner_address

    # not revealed, but ready 
    ns = state_engine.get_namespace_reveal( "test" )
    if ns is not None:
        print "namespace not ready"
        return False 

    ns = state_engine.get_namespace( "test" )
    if ns is None:
        print "no namespace"
        return False 

    if ns['namespace_id'] != 'test':
        print "wrong namespace"
        return False 

    # not preordered
    preorder = state_engine.get_name_preorder( "foo.test", pybitcoin.make_pay_to_address_script(wallets[2].addr), wallets[3].addr )
    if preorder is not None:
        print "still have preorder"
        return False
    
    # registered 
    name_rec = state_engine.get_name( "foo.test" )
    if name_rec is None:
        print "name does not exist"
        return False 

    # owned 
    if name_rec['address'] != owner_address or name_rec['sender'] != pybitcoin.make_pay_to_address_script(owner_address):
        print "name has wrong owner"
        return False 
    
    return True
