#!/usr/bin/env python3

# Copyright (C) 2018 Lubuntu Team
# Authored by: Simon Quigley <tsimonq2@lubuntu.me>
#
# This program 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.
#
# This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.

import sys
import yaml
from os import path
from markdown import markdown
from wordpress_xmlrpc import Client
from wordpress_xmlrpc.methods import posts

def getdirectories(args):
    directories = []
    for directory in args:
        if path.isdir(directory) and path.exists(directory+"/info.yaml") and path.exists(directory+"/post.md"):
            directories.append(directory)

    return directories

def loadwp():
    user = open("user.yaml", "r")
    userinfo = yaml.load(user, Loader=yaml.CSafeLoader)
    wp = Client(url=userinfo["url"], username=userinfo["username"], password=userinfo["password"])
    user.close()

    return wp

def loadposts():
    wp = loadwp()

    offset = 0
    increment = 10
    wpposts = []
    while True:
        wppostlist = wp.call(posts.GetPosts({'number': increment, 'offset': offset}))
        if len(wppostlist) == 0:
            break
        for post in wppostlist:
            wpposts.append(post)
        offset = offset + increment

    return wpposts

def updatepost(infoyaml, md, post=None, title=None, slug=None):
    wp = loadwp()
    if not post:
        post = WordPressPost()
        post.id = wp.call(posts.NewPost(post))
    if not title:
        title = infoyaml["title"]
    if not slug:
        slug = infoyaml["slug"]

    post.title = title
    post.content = md
    post.post_status = "publish"
    wp.call(posts.EditPost(post.id, post))

def main():
    posts = loadposts()
    for directory in getdirectories(sys.argv[1:]):
        info = open(directory+"/info.yaml", "r")
        infoyaml = yaml.load(info, Loader=yaml.CSafeLoader)
        info.close()

        mdf = open(directory+"/post.md", "r", encoding="utf-8")
        mdt = mdf.read()
        md = markdown(text=mdt)
        mdf.close()

        post = None
        for post in posts:
            if post.title == infoyaml["title"]:
                updatepost(post=post, title=post.title, infoyaml=infoyaml, md=md)
                post = True
                break
            elif post.slug == infoyaml["slug"]:
                updatepost(post=post, slug=post.slug, infoyaml=infoyaml, md=md)
                post = True
                break
        if not post:
            updatepost(infoyaml=infoyaml, md=md)

if __name__ == "__main__":
    main()