from flask import Flask, request, jsonify, abort
from flask_httpauth import HTTPBasicAuth
from werkzeug.security import generate_password_hash, check_password_hash

from common.databases import mongo_table
from common.log import logger
from services import (
    accountManagePool,
    get_base_url
)

'''以下模块以动态方式加载入全局变量,请勿删除'''
try:
    from services import zbytb
    from services import ybw
    # from services import nmpa
except ImportError as e:
    print(f"缺少全局变量, 原因:{e.args}")

app = Flask(__name__)

'''认证方式'''
auth = HTTPBasicAuth()
'''chrome代理状态记录'''
ChromeUser: dict = {}
'''用户表'''
Users = mongo_table('py_spider', 'spider_scheduler_auth')


@auth.verify_password
def verify_password(username, password):
    item = Users.find_one({'username': username})
    if item is not None:
        user = {item['username']: generate_password_hash(item['password'])}
        if username in user and check_password_hash(user.get(username), password):
            return username
    return None


@app.route('/')
@auth.login_required
def index():
    return '  Hello, {}!<br><br> <a href="{}">代理池使用情况</a>'.format(
        auth.username(),
        get_base_url() + '/crawl/proxy/query'
    )


@app.route('/proxy', methods=['GET'])
def chrome_proxy_plugin():
    global ChromeUser
    client = request.args.get('clientid')
    ip = request.remote_addr
    if client is None:
        return jsonify(data={})

    if client not in ChromeUser:
        ChromeUser.setdefault(client, {'chrome_use_proxy': True, 'ip': ip})
    else:
        config: dict = ChromeUser.get(client)
        config.update({'chrome_use_proxy': True})
        ChromeUser.update({client: config})

    logger.info(f"ChromeUser: {ChromeUser}")
    return jsonify(data=ChromeUser.get(client))


@app.route('/proxy/test', methods=['GET'])
def chrome_proxy_plugin_check():
    global ChromeUser
    client = request.args.get('clientid')
    if client is None or client not in ChromeUser:
        return 'false'
    else:
        config: dict = ChromeUser.get(client)
        if config.get('chrome_use_proxy'):
            config.update({'chrome_use_proxy': False})
            ChromeUser.update({client: config})
            return 'true'
        else:
            return 'false'


@app.route('/proxy/user/show', methods=['GET'])
@auth.login_required
def show_chrome_proxy_plugin_user():
    return jsonify(data=ChromeUser)


@app.route('/upload/data/<scheduler_class_name>/<table>', methods=['POST'])
@auth.login_required
def upload_data(scheduler_class_name, table):
    data_json = request.json
    logger.info(f"[接收数据]{data_json}")
    try:
        scheduler_class = globals()[scheduler_class_name]
        scheduler_class.save_data(table, data_json)
        return 'success'
    except KeyError:
        return 'failure'


@app.route('/task/<scheduler_class_name>/fetch', methods=['GET'])
def get_crawl_task(scheduler_class_name):
    task = {}
    try:
        scheduler_class = globals()[scheduler_class_name]
        result = scheduler_class.get_crawl_task()
        if result is not None:
            task = result
    except KeyError:
        pass
    return jsonify(data=task)


@app.route('/task/<scheduler_class_name>/total', methods=['GET'])
def get_crawl_task_total(scheduler_class_name):
    total = {'total': 0}
    try:
        scheduler_class = globals()[scheduler_class_name]
        total.update({'total': scheduler_class.task_total})
    except KeyError:
        pass
    return jsonify(data=total)


@app.route('/competing_goods/account/fetch', methods=['GET'])
@auth.login_required
def competing_goods_account_lock():
    req_ip = request.remote_addr
    site = request.args.get('site')
    crawl_type = request.args.get('crawl_type')
    result = accountManagePool.lock_account(site, crawl_type, req_ip)
    return jsonify(data=result)


@app.route('/competing_goods/account/release', methods=['GET'])
@auth.login_required
def competing_goods_account_release():
    req_ip = request.remote_addr
    uid = request.args.get('uid')
    crawl_type = request.args.get('crawl_type')
    if uid in [None, '']:
        abort(404)  # Unauthorized 未授权
    res = accountManagePool.release_account(uid, crawl_type, req_ip)
    return jsonify(data=res)