# -*- coding: utf-8 -*-
#!/usr/bin/env python
import os
import sys

#: current_dir - 2
PROJECT_ROOT = os.path.join(os.path.abspath(os.path.split(os.path.realpath(__file__))[0] + "/.."), '..')
sys.path.insert(0, PROJECT_ROOT)

import subprocess

import click

from apps.web.core.helpers import named_arguments

MONGODUMP = 'mongodump'
MONGORESTORE = 'mongorestore'
DEFAULT_OUTPUT_DIR = 'D:\data'

configs = {

    'production': {

        'washpay': {
            '--username': 'washpayer',
            '--password': 'UY3Bw%lK8NM56eQG',
            '--authenticationDatabase': 'washpay',
            '--port': '27118',
            '--host': '120.26.227.50',
            '--db': 'washpay'
        },
        'report': {
            '--username': 'reporter',
            '--password': '1Cb%5O0*NtUTn3WN',
            '--authenticationDatabase': 'report',
            '--port': '27118',
            '--host': '120.26.227.50',
            '--db': 'report'
        }
    },

    'staging': {

        'washpay': {
            '--username': 'admin',
            '--password': 'dayuan5tao5ai',
            '--authenticationDatabase': 'admin',
            '--port': '27017',
            '--host': '121.41.75.233',
            '--db': 'washpay'
        },
        'report': {
            '--username': 'admin',
            '--password': 'dayuan5tao5ai',
            '--authenticationDatabase': 'admin',
            '--port': '27017',
            '--host': '121.41.75.233',
            '--db': 'report'
        }

    },

    'local': {
        'washpay': {
            '--db': 'washpay'
        },
        'report': {
            '--db': 'report'
        }
    }

}


def operation(exe, config, options):
    config.update(**options)
    _ = [exe] + sum(map(list, config.items()), [])
    print _
    return subprocess.check_call(_)

mongodump =  lambda config, options: operation(exe=MONGODUMP, config=config, options=options)
mongorestore = lambda config, options: operation(exe=MONGORESTORE, config=config, options=options)

@click.group()
def cli():
    """
    同步mongoDB
    :return:
    """
    click.echo(u"欢迎进入数据迁移脚本")


@cli.command()
@click.option('-d', '--direction', help='sync direction e.g. production2local')
@click.option('-c', '--collection', help='特定表名,默认为所有', default=None)
@click.option('-e', '--excludeCollection', default=None)
@click.option('-o', '--out', help='目标目录', default=DEFAULT_OUTPUT_DIR)
def sync(direction, collection, excludecollection, out):
    reserved = ['direction', 'in_reserved']
    in_reserved = lambda k, v : (k not in reserved) and v
    options = { ('--' + k) : v for k, v in named_arguments().items() if in_reserved(k, v) }
    click.echo('options:%s' % (options,))
    source, target = direction.split('2')
    mongodump(config=configs[source]['washpay'], options=options)
    mongodump(config=configs[source]['report'], options=options)
    mongorestore(config=configs[target]['washpay'], options=options)
    mongorestore(config=configs[target]['report'], options=options)


@cli.command()
@click.option('--conf', help='配置')
@click.option('-c', '--collection', help='特定表名,默认为所有', default=None)
@click.option('-e', '--excludeCollection', default=None)
@click.option('-d', '--dir', help='目标目录', default=DEFAULT_OUTPUT_DIR)
def restore(conf, collection, excludeCollection, dir):
    reserved = ['conf']
    p = lambda k, v : (k not in reserved) and v
    options = { ('--' + k) : v for k, v in named_arguments().items() if p(k, v) }
    mongorestore(config=conf, options=options)

if __name__ == '__main__':
    cli()