import os
import datetime

import psycopg2

import orgHandler
import dbHandler

blogDir: str = "./blogs"
debug: bool = True

def debugPrint(msg: str) -> None:
    if debug:
        print("(BLOG HANDLER) PRINT:  " + msg)

# Returns new Blog ID
def createBlogEntry(dbConnection: psycopg2.extensions.connection, userID: int, categoryID: int) -> int:
    datePosted = datetime.datetime.now()
    datePostedStr = datePosted.strftime("%G-%m-%d %X")
    debugPrint("Now creating new user with following attributes : userID = " + str(userID) + ", categoryID = " + str(categoryID) + ", datePosted = " + datePostedStr)
    newRow = dbHandler.insertRow(dbConnection,
                        'blogs',
                        ['authorID', 'categoryID', 'datePosted' ],
                        [userID,   categoryID,   datePostedStr])
    return newRow[0]

def uploadBlog(dbConnection: psycopg2.extensions.connection, userID: int, orgRawIn: str):
    try:
        orgParsedOut = orgHandler.orgToHTML(orgRawIn)
        if orgParsedOut:
            blogID = createBlogEntry(dbConnection, userID, 1)

            newBlogDir = blogDir + "/" + str(blogID)
            debugPrint("Attempting to create new blog directory " + newBlogDir + "...")
            os.mkdir(newBlogDir)

            debugPrint("Attempting to write new blog file " + newBlogDir + ".org...")
            orgFileData = open(newBlogDir + "/" + str(blogID) + ".org", 'w')
            orgFileData.write(orgRawIn)
            orgFileData.close()

            debugPrint("Attempting to write new blog file " + blogDir + "/" + str(blogID) + "/" + str(blogID) + ".html...")
            HTMLFileData = open(newBlogDir + "/" + str(blogID) + ".html", 'w')
            HTMLFileData.write(orgParsedOut)
            HTMLFileData.close()
            return blogID
        else:
            return False
    except Exception as error:
        debugPrint("Create blog failed! " + repr(error))
        return False