#!/usr/bin/python3

from bs4 import BeautifulSoup
from urllib.parse import urlparse
import requests, os, logging, re, json
from requests.adapters import HTTPAdapter
from requests.packages.urllib3.util.retry import Retry

class WPRemove:
    # Constructor
    def __init__(self, index_name=1, number_thread=1, basic=None, wordpress="", logger=None, ssl_wordpress=True):
        self._basic = basic
        self._wordpress = wordpress
        self._logger = logger
        self._headers_json = {'Content-Type': 'application/json', 'Accept':'application/json'}
        self._name =  "Thread-{0}".format(index_name)
        self._index_thread = index_name
        self._protocol = "https"
        self._number_thread = number_thread
        if ssl_wordpress is False:
            self._protocol = "http"
        self._request = requests.Session()

        retries = Retry(connect=10, read=10, redirect=5,
                status_forcelist=[429, 500, 502, 503, 504], backoff_factor=2)

        self._request.mount('{0}://'.format(self._protocol), HTTPAdapter(max_retries=retries))

    
    # Destructor 
    def __del__(self):
        print("{0} : Import finished for {1}".format(self._name, self._wordpress))

    # Public method

    def _getCount(self, composant):
        count = 0
        try:
            params = {"per_page":1}
            self._logger.info("{0} : Get count {2} to remove for url : {1}".format(self._name, self._wordpress, composant))
            r = self._request.get("{2}://{0}/wp-json/wp/v2/{1}".format(self._wordpress, composant, self._protocol), params=params, auth=self._basic, headers=self._headers_json)
            if r.status_code == 200:
                count = int(r.headers["X-WP-Total"])
            else:
                self._logger.error("{0} : Error for list to remove {1} due status code {2}".format(self._name, composant, r.status_code))
                self._logger.debug("{0} : Content error for {1} : {2}".format(self._name, composant, r.content))
        except ConnectionError as err:
            self._logger.error("{0} : Connection error for list {1} to remove : {2}".format(self._name, composant, err))
            exit(1)
        except Exception as err:
            self._logger.error("{0} : Exception error for list {1} to remove : {2}".format(self._name, composant, err))
        return count

    def setUrl(self, wordpress):
        self._wordpress = wordpress
    
    def cleanPosts(self):
        self._removeAll("posts")

    def cleanTags(self):
        self._removeAll("tags")

    def cleanCategories(self):
        self._removeAll("categories")
    
    def cleanMedia(self):
        self._removeAll("media")

    # Private method
    
    def _removeAll(self, composant):
        count = self._getCount(composant)
        self._logger.debug("{0} : Count for {1} : {2}".format(self._name, composant, count))
        if count > 0:
            self._logger.debug("{0} : Number thread for {1} : {2}".format(self._name, composant, self._number_thread))

            page = count / int(self._number_thread)
            self._logger.debug("{0} : Page for {1} : {2}".format(self._name, composant, page))

            if page > int(page):
                page = int(page) + 1
            if page > 100:
                page = 100
            params = {"per_page":page, "page":self._index_thread}
            self._logger.info("{0} : Params for {1} : {2}".format(self._name, composant, params))

            try:
                self._logger.info("{0} : List {2} to remove for url : {1}".format(self._name, self._wordpress, composant))
            
                r = self._request.get("{2}://{0}/wp-json/wp/v2/{1}".format(self._wordpress, composant, self._protocol), auth=self._basic, params=params, headers=self._headers_json)
        
                if r.status_code == 200:
                    result = r.json()
                    if len(result) > 0:
                        for i in result:
                            is_delete = True
                            self._logger.info(i["slug"])
                            if i["slug"] == "non-classe":
                                is_delete = False
                            if is_delete is True:
                                if composant == "tags" or composant == "categories":
                                    title = i["name"]
                                else:
                                    title = i["title"]["rendered"]
                                self._logger.info("{0} : Remove {2} for url {1} : {3}".format(self._name, self._wordpress, composant, title))
                                params = {"force":1}
                                try:
                                    r = self._request.delete("{3}://{0}/wp-json/wp/v2/{1}/{2}".format(self._wordpress, composant, i["id"], self._protocol), auth=self._basic, headers=self._headers_json , params=params)
                                    if r.status_code == 200:
                                        self._logger.info("{0} : Post removed for URL {1} {2} : {3}".format(self._name, self._wordpress, composant, title))
                                    else:
                                        self._logger.error("{0} : Connection error for post {1} {2} {3} with status code {4}".format(self._name, self._wordpress, composant, title, r.status_code))
                                except ConnectionError as err:
                                    self._logger.error("{0} : Connection error for {1} remove : {2}".format(self._name, composant, err))
                                    exit(1)
                                except Exception as err:
                                    self._logger.error("{0} : Exception error for {1} remove : {2}".format(self._name, composant, err))
                                self._removeAll(composant)
                if r.status_code == 400:
                    self._logger.error("{0} : No content for {1} to remove : {2}".format(self._name, composant, r.status_code))
                else:
                    self._logger.error("{0} : Error for list to remove {1} due status code {2}".format(self._name, composant, r.status_code))
                    self._logger.debug("{0} : Content error for {1} : {2}".format(self._name, composant, r.content))
            except ConnectionError as err:
                self._logger.error("{0} : Connection error for list {1} to remove : {2}".format(self._name, composant, err))
                exit(1)
            except Exception as err:
                self._logger.error("{0} : Exception error for list {1} to remove : {2}".format(self._name, composant, err))