#!/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 WPMenu:
    # Constructor
    def __init__(self, name="Thread-0", basic=None, canalblog="", wordpress="", logger=None, parser="html.parser", ssl_canalblog=True, ssl_wordpress=True):
        self._name = name
        self._basic = basic
        self._canalblog = canalblog
        self._wordpress = wordpress
        self._logger = logger
        self._parser = parser
        self._headers_json = {'Content-Type': 'application/json; charset=utf-8', 'Accept':'application/json'}
        self._protocol_wordpress = "https"
        self._protocol_canalblog = "https"
        self._directory = "backup"

        if ssl_wordpress is False:
            self._protocol_wordpress = "http"
        if ssl_canalblog is False:
            self._protocol_canalblog = "http"
        self._request_canalblog = requests.Session()
        self._request_wordpress = requests.Session()

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

        self._request_canalblog.mount('{0}://'.format(self._protocol_canalblog), HTTPAdapter(max_retries=retries))
        self._request_wordpress.mount('{0}://'.format(self._protocol_wordpress), HTTPAdapter(max_retries=retries))

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

    # Public method

    ## From file 

    def fromFile(self, files):
        if os.path.exists(files):
            with open(files, 'r') as f:
                self._logger.info("{0} : File is being processed : {1}".format(self._name, files))
                content = f.read()
                self._menu(content)
        else:
            self._logger.error("{0} : File isn't exist : {1}".format(self._name, files))



    ## Get from URL

    def fromUrl(self, canalblog):
        self._canalblog = canalblog
        try:
            o = urlparse(canalblog)
            o = o._replace(scheme=self._protocol_canalblog)
            i = o.geturl().replace(":///", "://")
            page = self._request_canalblog.get(i)
            if page.status_code == 200:
                self._logger.info("{0} : Page web is being processed : {1}".format(self._name, i))
                self._menu(page.content)
            else:
                self._logger.error("{0} : index didn't get due status code : {1}".format(self._name, page.status_code))
                self._logger.debug("{0} : {1}".format(self._name, page.content))
        except ConnectionError as err:
            self._logger.error("{0} : Connection error for get url {1} : {2}".format(self._name, canalblog, err))
            exit(1)        
        except Exception as err:
            self._logger.error("{0} : Exception error for get url {1} : {2}".format(self._name, canalblog, err))   

    ## replace caracter 

    def _replaceCaracter(self, title_rendered):
        list_replace = {'’': "'", '–': '-', '…': '...', '« ': '"', ' »': '"', '« ': '"', ' »': '"', '’': "'", '"‘': "'"}
        for old, new in list_replace.items():
            title_rendered = title_rendered.replace(old, new)
        return title_rendered

    def _getIdfromTitlePost(self, content):
        idMenu = {"id":0, "type":"", "link":""}
        soup = BeautifulSoup(content, self._parser)
        articletitle = soup.find("h2", class_="articletitle").get_text()
        exist = False
        for index in range(1,10):
            if exist is False:
                params = {"search":articletitle, "per_page":100, "page":index}
                try:
                    self._logger.debug("{0} : Get Url for post : {1} {2}".format(self._name, "{1}://{0}/wp-json/wp/v2/posts".format(self._wordpress, self._protocol_wordpress), params))
                    page = self._request_wordpress.get("{1}://{0}/wp-json/wp/v2/posts".format(self._wordpress, self._protocol_wordpress), auth=self._basic, params=params)
                    if page.status_code == 200:
                        result = page.json()
                        self._logger.info("{0} : Get content post : {1}".format(self._name, len(result)))
                        if len(result) > 0:
                            for i in result:
                                title_rendered = i["title"]["rendered"]
                                if len(articletitle) != len(title_rendered):
                                    title_rendered = self._replaceCaracter(title_rendered)
                                self._logger.debug("{0} : comparaison debug {1} {2}".format(self._name, articletitle, title_rendered))
                                if articletitle == title_rendered:
                                    self._logger.debug("{0} : get post id : {1}".format(self._name, i))
                                    idMenu = {"id":i["id"], "type":"post", "link": i["link"]}
                                    exist = True
                        else:
                            self._logger.debug("{0} : {2} {1}".format(self._name, result, len(result)))
                            break
                    elif page.status_code == 400:
                        self._logger.debug("{0} : {2} {1}".format(self._name, page.content, page.status_code))
                        break
                    else:
                        self._logger.error("{0} : Post didn't get due status code : {1}".format(self._name, page.status_code))
                        self._logger.debug("{0} : {1}".format(self._name, page.content))
                except ConnectionError as err:
                    self._logger.error("{0} : Connection error for get content : {1}".format(self._name, err))
                    exit(1)        
                except Exception as err:
                    self._logger.error("{0} : Exception error for get content :  {1} ".format(self._name, err))
        return idMenu

    def _getIdFromPost(self, href):
        idMenu = {"id":0, "type":"", "link":""}
        o = urlparse(href)
        if len(o.netloc) > 0:
            try:
                page = self._request_canalblog.get(href)
                if page.status_code == 200:
                    self._logger.info("{0} : Get content : {1}".format(self._name, href))
                    idMenu = self._getIdfromTitlePost(page.content)
                else:
                    self._logger.error("{0} : {2} didn't get due status code : {1}".format(self._name, page.status_code, href))
                    self._logger.debug("{0} : {1}".format(self._name, page.content))
            except ConnectionError as err:
                self._logger.error("{0} : Connection error for get url {1} : {2}".format(self._name, href, err))
                exit(1)        
            except Exception as err:
                self._logger.error("{0} : Exception error for get url {1} : {2}".format(self._name, href, err))
        else:
            if os.path.exists("{0}/..{1}".format(self._directory, o.path)):
                try:
                    content = open("{0}/..{1}".format(self._directory, o.path), "r")
                    idMenu = self._getIdfromTitlePost(content)
                except Exception as err:
                    self._logger.error("{0} : Exception error for get file content {1} : {2}".format(self._name, href, err))
        return idMenu


    def _getIdFromReverse(self, title, href):
        self._logger.info("{0} : get title {1} from href {2}".format(self._name, title, href))
        idMenu = {"id":0, "type":"", "link":""}
        if href != "#":
            title = href[::-1]
            link = title.split("/")[0]
            link = link[::-1]
            title = title.split("/")[1]
            title = title[::-1]
            self._logger.info("{0} link {1} title {2}".format(self._name, link, title))
            if link == "index.html":
                idMenu = self._getId(title)
            else:
                idMenu = self._getIdFromPost(href)
            
        return idMenu

    def _getId(self, title):
        idMenu = {"id": 0, "type":"", "link":""}
        exist = False
        if exist is False:
            for i in ["categories", "tags"]:
                typeId = "category"
                if i == "tags":
                    typeId = "tag"
                for index in range(1,10):
                    try:
                        params = {"search":title, "per_page":"100", "page":index}
                        self._logger.info("{0} Get menu {1} {2} {3}".format(self._name, "{2}://{0}/wp-json/wp/v2/{1}".format(self._wordpress, i, self._protocol_wordpress), index, title))
                        page = self._request_wordpress.get("{2}://{0}/wp-json/wp/v2/{1}".format(self._wordpress, i, self._protocol_wordpress), auth=self._basic, params=params)
                        if page.status_code == 200:
                            result = page.json()
                            if len(result) > 0:
                                for j in result:
                                    self._logger.info("{0} info : {1} {2} {3}".format(self._name, j["name"], j["slug"], title))
                                    if j["name"] == title or j["slug"] == title:
                                        self._logger.info("{0} : comparaison ok : {1} {2}".format(self._name, j["id"], i))
                                        
                                        idMenu = {"id": j["id"], "type": typeId, "link": j["link"]}
                                        exist = True
                            else:
                                break
                        elif page.status_code == 400:
                            break
                        else:
                            self._logger.error("{0} : {2} didn't get due status code : {1}".format(self._name, page.status_code, i))
                            self._logger.debug("{0} : {1}".format(self._name, page.content))
                    except ConnectionError as err:
                        self._logger.error("{0} : Connection error for get url {1} : {2}".format(self._name, "{2}://{0}/wp-json/wp/v2/{1}".format(self._wordpress, i, self._protocol_wordpress), err))
                        exit(1)        
                    except Exception as err:
                        self._logger.error("{0} : Exception error for get url {1} : {2}".format(self._name, "{2}://{0}/wp-json/wp/v2/{1}".format(self._wordpress, i, self._protocol_wordpress), err))
        return idMenu
    
    def _menu(self, content):

        soup = BeautifulSoup(content, self._parser)
        ul = soup.find("ul", id="listsmooth")
        menu = list()
        children = list()
        for anchor in ul.find_all("li"):

            parent = anchor.find("a").get_text().replace(" \xa0", "")
            href = anchor.find("a").get("href")
            if href == "{0}://{1}/".format(self._protocol_canalblog, self._canalblog):
                parent = "home"
            itemMenu = {"id":"", "type":"", "title": parent, "link":"", "href":href, "children":list()}            
            if href == "#":
                li = anchor.find("ul").find_all("li")
                for child in li:
                    a = child.find("a")
                    href = a.get("href")
                    self._logger.info("{0} Parent {1} : Child {2}".format(self._name, parent, a.get_text()))
                    children.append({"title": a.get_text(), "parent": parent, "href":href, "link":""})
            menu.append(itemMenu)

        
        for i in range(0, len(children)):
            self._logger.info("{0} : Child {1} {2}".format(self._name, children[i], i))
            for j in range(0, len(menu)):
                if j < len(menu):
                    if menu[j]["title"] == children[i]["title"]:
                        self._logger.info("{0} : Parent  {1} {2}".format(self._name, menu[j], j))
                        del menu[j]

            for j in range(0, len(menu)):
                self._logger.info("{0} : Children for : {1}".format(self._name, menu[j]["title"]))
                if menu[j]["title"] == children[i]["parent"]:
                    menu[j]["children"].append({"id":"", "type":"", "title":children[i]["title"], "parent": children[i]["parent"], "link":"", "href":children[i]["href"]})

        for i in range(0, len(menu)):
            self._logger.info("{0} : Menu {1} {2}".format(self._name, menu[i]["title"], len(menu[i]["children"])))
            if menu[i]["title"] != "home":
                for j in range(0, len(menu[i]["children"])):
                    idMenu = self._getId(menu[i]["children"][j]["title"])
                    if idMenu["id"] == 0:
                        self._logger.debug("{0} : content children {1}".format(self._name, menu[i]["children"][j]))
                        idMenu = self._getIdFromReverse(menu[i]["children"][j]["title"], menu[i]["children"][j]["href"])
                    if idMenu["id"] != 0:
                        menu[i]["children"][j] = {"id":idMenu["id"], "type": idMenu["type"], "link": idMenu["link"], "title": menu[i]["children"][j]["title"], "parent": menu[i]["children"][j]["parent"]}
                idMenu = self._getId(menu[i]["title"])
                self._logger.debug("{0} : content parent {1}".format(self._name, menu[i]))
                self._logger.debug("{0} : content idMenu {1}".format(self._name, idMenu))

                if idMenu["id"] == 0:
                    idMenu = self._getIdFromReverse(menu[i]["title"], menu[i]["href"])
                if idMenu["id"] != 0:
                    menu[i] = {"id":idMenu["id"], "type": idMenu["type"], "title":menu[i]["title"], "link":idMenu["link"], "children": menu[i]["children"]}

        self._createMenu(menu)




    def _createItemMenu(self, idMenu, itemMenu, parent):
        idItemMenu = 0
        self._logger.info("{0} : Create item menu from API Wordpress : {1}".format(self._name, self._wordpress))
        try:
            params = {"search": itemMenu["title"], "menus": idMenu}
            page = self._request_wordpress.get("{1}://{0}/wp-json/wp/v2/menu-items".format(self._wordpress, self._protocol_wordpress), auth=self._basic, params=params)
            if page.status_code == 200:
                result = page.json()
                for i in result:
                    if i["title"]["rendered"] == itemMenu["title"]:
                        idItemMenu = i["id"]
                self._logger.info("{0} : Length of result for item menus : {1}".format(self._name, len(result)))
                url = "{1}://{0}/wp-json/wp/v2/menu-items".format(self._wordpress, self._protocol_wordpress)
                if idItemMenu != 0:
                    url = "{1}://{0}/wp-json/wp/v2/menu-items/{2}".format(self._wordpress, self._protocol_wordpress, idItemMenu)
                
                try:
                    objectt = itemMenu["type"]
                    if objectt == "tag":
                        objectt = "post_tag"
                    data = {"title": itemMenu["title"], "status": "publish", "parent":parent, "menus":idMenu, "object":objectt, "object_id":itemMenu["id"]}
                    page = self._request_wordpress.post(url, auth=self._basic, headers=self._headers_json, data=json.dumps(data))
                                        
                    if page.status_code == 201:
                        result = page.json()
                        idItemMenu = result["id"]
                        self._logger.info("{0} : create item menu : {1}".format(self._name, itemMenu["title"]))
                    elif page.status_code == 200:
                        result = page.json()
                        for i in result:
                            if result["title"]["rendered"] == itemMenu["title"]:
                                idItemMenu = i["id"]
                        self._logger.info("{0} : update item menu : {1}".format(self._name, itemMenu["title"]))
                    else:
                        self._logger.error("{0} : Create menu items didn't get due status code : {1}".format(self._name, page.status_code))
                        self._logger.debug("{0} : {1}".format(self._name, page.content))
                    
                except ConnectionError as err:
                    self._logger.error("{0} : Connection error for create item menu {1} : {2}".format(self._name, "{1}://{0}/wp-json/wp/v2/menu-items".format(self._wordpress, self._protocol_wordpress), err))
                    exit(1)        
                except Exception as err:
                    self._logger.error("{0} : Exception error for get item menu {1} : {2}".format(self._name, "{1}://{0}/wp-json/wp/v2/menu-items".format(self._wordpress, self._protocol_wordpress), err))    
            else:
                self._logger.error("{0} : Get menu items didn't get due status code : {1}".format(self._name, page.status_code))
                self._logger.debug("{0} : {1}".format(self._name, page.content))
        except ConnectionError as err:
            self._logger.error("{0} : Connection error for get item menus {1} : {2}".format(self._name, "{1}://{0}/wp-json/wp/v2/menu-items".format(self._wordpress, self._protocol_wordpress), err))
            exit(1)        
        except Exception as err:
            self._logger.error("{0} : Exception error for get item menus {1} : {2}".format(self._name, "{1}://{0}/wp-json/wp/v2/menu-items".format(self._wordpress, self._protocol_wordpress), err))
        return idItemMenu

    def _createMenu(self, menu):
        title = "Menu {0}".format(self._wordpress)
        self._logger.info("{0} : Create menu from API Wordpress : {1}".format(self._name, title))
        try:
            params = {"search": title}
            page = self._request_wordpress.get("{1}://{0}/wp-json/wp/v2/menus".format(self._wordpress, self._protocol_wordpress), auth=self._basic, params=params)
            if page.status_code == 200:
                result = page.json()
                self._logger.info("{0} : Get content menus : {1}".format(self._name, len(result)))
                idMenu = 0
                if len(result) == 0:
                    
                    self._logger.info("{0} : Create menu : {1}".format(self._name, title))
                    data = {"name": title}
                    try:
                        page = self._request_wordpress.post("{1}://{0}/wp-json/wp/v2/menus".format(self._wordpress, self._protocol_wordpress), auth=self._basic, headers=self._headers_json, data=json.dumps(data))                        
                        if page.status_code == 201:
                            result = page.json()
                            self._logger.debug("{0} : Get menus : {1}".format(self._name, result))

                            if len(result) > 0:
                                idMenu = result["id"] 
                        else:
                            self._logger.error("{0} : Post menu didn't get due status code : {1}".format(self._name, page.status_code))
                            self._logger.debug("{0} : {1}".format(self._name, page.content))

                    except ConnectionError as err:
                        self._logger.error("{0} : Connection error for create menu {1} : {2}".format(self._name, "{1}://{0}/wp-json/wp/v2/menus".format(self._wordpress, self._protocol_wordpress), err))
                        exit(1)        
                    except Exception as err:
                        self._logger.error("{0} : Exception error for get menu {1} : {2}".format(self._name, "{1}://{0}/wp-json/wp/v2/menus".format(self._wordpress, self._protocol_wordpress), err))
                else:
                    self._logger.debug("{0} : Get menus : {1}".format(self._name, result))
                    for i in result:
                        self._logger.debug("{0} : List menus : {1}".format(self._name, i))
                        if i["name"] == title:
                            idMenu = i["id"]
                self._logger.info("{0} : Get ID menus : {1}".format(self._name, idMenu))
            else:
                self._logger.error("{0} : Get menu didn't get due status code : {1}".format(self._name, page.status_code))
                self._logger.debug("{0} : {1}".format(self._name, page.content))
            
        except ConnectionError as err:
            self._logger.error("{0} : Connection error for get menu {1} : {2}".format(self._name, "{1}://{0}/wp-json/wp/v2/menus".format(self._wordpress, self._protocol_wordpress), err))
            exit(1)        
        except Exception as err:
            self._logger.error("{0} : Exception error for get menu {1} : {2}".format(self._name, "{1}://{0}/wp-json/wp/v2/menus".format(self._wordpress, self._protocol_wordpress), err))


    def addItemMenu(self, menu, idMenu):
        self._logger.info("{0} : add item to menu : {1}".format(self._name, idMenu))