#!/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 os
import testlib
import pybitcoin
import urllib2
import json
import blockstack_client
import blockstack_profiles
import blockstack_gpg
import sys
import errno

wallets = [
    testlib.Wallet( "5JesPiN68qt44Hc2nT8qmyZ1JDwHebfoh9KQ52Lazb1m1LaKNj9", 100000000000 ),
    testlib.Wallet( "5KHqsiU9qa77frZb6hQy9ocV7Sus9RWJcQGYYBJJBb2Efj1o77e", 100000000000 ),
    testlib.Wallet( "5Kg5kJbQHvk1B64rJniEmgbD83FpZpbw2RjdAZEzTefs9ihN3Bz", 100000000000 ),
    testlib.Wallet( "5JuVsoS9NauksSkqEjbUZxWwgGDQbMwPsEfoRBSpLpgDX1RtLX7", 100000000000 ),
    testlib.Wallet( "5KEpiSRr1BrT8vRD7LKGCEmudokTh1iMHbiThMQpLdwBwhDJB1T", 100000000000 ),
    testlib.Wallet( "5K5hDuynZ6EQrZ4efrchCwy6DLhdsEzuJtTDAf3hqdsCKbxfoeD", 100000000000 ),
    testlib.Wallet( "5J39aXEeHh9LwfQ4Gy5Vieo7sbqiUMBXkPH7SaMHixJhSSBpAqz", 100000000000 ),
    testlib.Wallet( "5K9LmMQskQ9jP1p7dyieLDAeB6vsAj4GK8dmGNJAXS1qHDqnWhP", 100000000000 ),
    testlib.Wallet( "5KcNen67ERBuvz2f649t9F2o1ddTjC5pVUEqcMtbxNgHqgxG2gZ", 100000000000 )
]

consensus = "17ac43c1d8549c3181b200f1bf97eb7d"
wallet_keys = None
error = False
index_file_data = "<html><head></head><body>foo.test hello world</body></html>"

def scenario( wallets, **kw ):

    global wallet_keys, error, index_file_data, resource_data

    test_proxy = testlib.TestAPIProxy()
    blockstack_client.set_default_proxy( test_proxy )
    wallet_keys = blockstack_client.make_wallet_keys( owner_privkey=wallets[3].privkey, data_privkey=wallets[4].privkey, payment_privkey=wallets[5].privkey )
    testlib.blockstack_client_set_wallet( "0123456789abcdef", wallet_keys['payment_privkey'], wallet_keys['owner_privkey'], wallet_keys['data_privkey'] )

    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 )

    testlib.blockstack_name_preorder( "foo.test", wallets[2].privkey, wallets[3].addr )
    testlib.next_block( **kw )
    
    testlib.blockstack_name_register( "foo.test", wallets[2].privkey, wallets[3].addr )
    testlib.next_block( **kw )
    
    # migrate profiles 
    res = testlib.migrate_profile( "foo.test", proxy=test_proxy, wallet_keys=wallet_keys )
    if 'error' in res:
        res['test'] = 'Failed to initialize foo.test profile'
        print json.dumps(res, indent=4, sort_keys=True)
        error = True
        return 

    # tell serialization-checker that value_hash can be ignored here
    print "BLOCKSTACK_SERIALIZATION_CHECK_IGNORE value_hash"
    sys.stdout.flush()
    
    testlib.next_block( **kw )

    datastore_id_res = testlib.blockstack_cli_datastore_get_id( "foo-app.com" )
    datastore_id = datastore_id_res['datastore_id']

    # make datastore 
    res = testlib.blockstack_cli_create_datastore( "foo-app.com" )
    if 'error' in res:
        print "failed to create datastore: {}".format(res['error'])
        return False

    # make directories
    for dpath in ['/dir1', '/dir2', '/dir1/dir3', '/dir1/dir3/dir4']:
        print 'mkdir {}'.format(dpath)
        res = testlib.blockstack_cli_datastore_mkdir( "foo-app.com", dpath )
        if 'error' in res:
            print 'failed to mkdir {}: {}'.format(dpath, res['error'])
            return False

    # stat directories 
    for dpath in ['/dir1', '/dir2', '/dir1/dir3', '/dir1/dir3/dir4']:
        print 'stat {}'.format(dpath)
        res = testlib.blockstack_cli_datastore_stat( datastore_id, dpath )
        if 'error' in res:
            print 'failed to stat {}: {}'.format(dpath, res['error'])
            return False

        if res['inode']['type'] != blockstack_client.schemas.MUTABLE_DATUM_DIR_TYPE:
            print 'not a directory: {}, {}'.format(dpath, res)
            return False

    # list directories 
    for dpath, expected in [('/', ['dir1', 'dir2']), ('/dir1', ['dir3']), ('/dir1/dir3', ['dir4']), ('/dir1/dir3/dir4', [])]:
        print 'listdir {}'.format(dpath)
        res = testlib.blockstack_cli_datastore_listdir( datastore_id, dpath )
        if 'error' in res:
            print 'failed to listdir {}: {}'.format(dpath, res['error'])
            return False

        res = res['dir']
        if len(res['idata'].keys()) != len(expected):
            print 'invalid directory: expected:\n{}\ngot:\n{}\n'.format(expected, res['idata'])
            return False

        for child in expected: 
            if not res['idata'].has_key(child):
                print 'invalid directory: missing {} in {}'.format(child, res['idata'])
                return False

    # put files 
    for dpath in ['/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4', '/dir1/dir3/dir4/file5']:
        print 'putfile {}'.format(dpath)
        data = 'hello {}'.format(os.path.basename(dpath))
        res = testlib.blockstack_cli_datastore_putfile( 'foo-app.com', dpath, data )
        if 'error' in res:
            print 'failed to putfile {}: {}'.format(dpath, res['error'])
            return False

    # stat files
    for dpath in ['/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4', '/dir1/dir3/dir4/file5']:
        print 'stat {}'.format(dpath)
        res = testlib.blockstack_cli_datastore_stat( datastore_id, dpath )
        if 'error' in res:
            print 'failed to stat {}: {}'.format(dpath, res['error'])
            return False

        if res['inode']['type'] != blockstack_client.schemas.MUTABLE_DATUM_FILE_TYPE:
            print 'not a file: {}, {}'.format(dpath, res)
            return False

    # list directories again 
    for dpath, expected in [('/', ['dir1', 'dir2', 'file1', 'file2']), ('/dir1', ['dir3', 'file3']), ('/dir1/dir3', ['dir4', 'file4']), ('/dir1/dir3/dir4', ['file5'])]:
        print 'listdir {}'.format(dpath)
        res = testlib.blockstack_cli_datastore_listdir( datastore_id, dpath )
        if 'error' in res:
            print 'failed to listdir {}: {}'.format(dpath, res['error'])
            return False

        res = res['dir']
        if len(res['idata'].keys()) != len(expected):
            print 'invalid directory: expected:\n{}\ngot:\n{}\n'.format(expected, res['idata'])
            return False

        for child in expected: 
            if not res['idata'].has_key(child):
                print 'invalid directory: missing {} in {}'.format(child, res['idata'])
                return False
     
    # get files
    for dpath in ['/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4', '/dir1/dir3/dir4/file5']:
        print 'getfile {}'.format(dpath)
        res = testlib.blockstack_cli_datastore_getfile( datastore_id, dpath )
        if 'error' in res:
            print 'failed to getfile {}: {}'.format(dpath, res['error'])
            return False

        res = res['file']
        if res['idata'] != 'hello {}'.format(os.path.basename(dpath)):
            print 'failed to read {}: got "{}"'.format(dpath, res['idata'])
            return False

    # remove files
    for dpath in ['/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4', '/dir1/dir3/dir4/file5']:
        print 'deletefile {}'.format(dpath)
        res = testlib.blockstack_cli_datastore_deletefile( "foo-app.com", dpath )
        if 'error' in res:
            print 'failed to deletefile {}: {}'.format(dpath, res['error'])
            return False

    # stat files (should all fail)
    for dpath in ['/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4', '/dir1/dir3/dir4/file5']:
        print 'stat {} (expect failure)'.format(dpath)
        res = testlib.blockstack_cli_datastore_stat( datastore_id, dpath )
        if 'error' not in res or 'errno' not in res:
            print 'accidentally succeeded to stat {}: {}'.format(dpath, res)
            return False

        if res['errno'] != errno.ENOENT:
            print 'wrong errno: {}'.format(res)
            return False
 
    # get files (should all fail)
    for dpath in ['/file1', '/file2', '/dir1/file3', '/dir1/dir3/file4', '/dir1/dir3/dir4/file5']:
        print 'getfile {} (expect failure)'.format(dpath)
        res = testlib.blockstack_cli_datastore_getfile( datastore_id, dpath )
        if 'error' not in res or 'errno' not in res:
            print 'accidentally succeeded to get {}: {}'.format(dpath, res)
            return False

        if res['errno'] != errno.ENOENT:
            print 'wrong errno: {}'.format(res)
            return False

    # list directories, 3rd time 
    for dpath, expected in [('/', ['dir1', 'dir2']), ('/dir1', ['dir3']), ('/dir1/dir3', ['dir4']), ('/dir1/dir3/dir4', [])]:
        print 'listdir {}'.format(dpath)
        res = testlib.blockstack_cli_datastore_listdir( datastore_id, dpath )
        if 'error' in res:
            print 'failed to listdir {}: {}'.format(dpath, res['error'])
            return False

        res = res['dir']
        if len(res['idata'].keys()) != len(expected):
            print 'invalid directory: expected:\n{}\ngot:\n{}\n'.format(expected, res['idata'])
            return False

        for child in expected: 
            if not res['idata'].has_key(child):
                print 'invalid directory: missing {} in {}'.format(child, res['idata'])
                return False

    # remove directories 
    for dpath in ['/dir1/dir3/dir4', '/dir1/dir3', '/dir2', '/dir1']:
        print 'rmdir {}'.format(dpath)
        res = testlib.blockstack_cli_datastore_rmdir( "foo-app.com", dpath )
        if 'error' in res:
            print 'failed to rmdir {}: {}'.format(dpath, res['error'])
            return False

    # stat directories (should all fail)
    for dpath in ['/dir1/dir3/dir4', '/dir1/dir3', '/dir2', '/dir1']:
        print 'stat {} (expect failure)'.format(dpath)
        res = testlib.blockstack_cli_datastore_stat( datastore_id, dpath )
        if 'error' not in res or 'errno' not in res:
            print 'accidentally succeeded to stat {}: {}'.format(dpath, res)
            return False

        if res['errno'] != errno.ENOENT:
            print 'wrong errno: {}'.format(res)
            return False

    # list directories (should all fail) 
    for dpath, expected in [('/dir1', ['dir3']), ('/dir1/dir3', ['dir4']), ('/dir1/dir3/dir4', [])]:
        print 'listdir {} (expect failure)'.format(dpath)
        res = testlib.blockstack_cli_datastore_listdir( datastore_id, dpath )
        if 'error' not in res or 'errno' not in res:
            print 'accidentally succeeded to list {}: {}'.format(dpath, res)
            return False

        if res['errno'] != errno.ENOENT:
            print 'wrong errno: {}'.format(res)
            return False

    # root should be empty 
    print 'listdir {}'.format('/')
    res = testlib.blockstack_cli_datastore_listdir( datastore_id, '/' )
    if 'error' in res:
        print 'failed to listdir /: {}'.format(res['error'])
        return False

    res = res['dir']
    if len(res['idata'].keys()) > 0:
        print 'root still has children: {}'.format(res['idata'].keys())
        return False

    # delete datastore 
    print 'delete datastore'
    res = testlib.blockstack_cli_delete_datastore( 'foo-app.com' )
    if 'error' in res:
        print 'failed to delete foo-app.com datastore'
        print json.dumps(res)
        return False

    # no more data in disk driver 
    names = os.listdir("/tmp/blockstack-disk/mutable")
    if names != ['foo.test']:
        print 'improper cleanup'
        return False

    testlib.next_block( **kw )


def check( state_engine ):

    global wallet_keys, error

    if error:
        print "Key operation failed."
        return False

    # 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 

    names = ['foo.test']
    wallet_keys_list = [wallet_keys]
    test_proxy = testlib.TestAPIProxy()

    for i in xrange(0, len(names)):
        name = names[i]
        wallet_payer = 3 * (i+1) - 1
        wallet_owner = 3 * (i+1)
        wallet_data_pubkey = 3 * (i+1) + 1
        wallet_keys = wallet_keys_list[i]

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

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

        # try to authenticate

    return True
