# :wave: hello fellow contributors, this script is brought to you ad-free by -sirryan2002-
# In order to run this script on Windows, you need to make sure you have Python **3** installed. Tested on 3.10.4
# In addition you must have the mysql-connector-python module installed (can be done through pip :D)
# if you do not have that module installed, you cannot run this script

# To run this, supply the following args in a command shell
# python 38-39.py address username password database
# Example:
# python 38-39.py 127.0.0.1 sirryan2002 myubersecretdbpassword paradise_gamedb

import json
import mysql.connector, argparse

def main():
    parser = argparse.ArgumentParser()
    parser.add_argument("address", help="MySQL server address (use localhost for the current computer)")
    parser.add_argument("username", help="MySQL login username")
    parser.add_argument("password", help="MySQL login password")
    parser.add_argument("database", help="Database name")

    args = parser.parse_args()
    db = mysql.connector.connect(host=args.address, user=args.username, passwd=args.password, db=args.database)
    cursor = db.cursor()
    print("Connected to {}".format(args.database))
    #A List of old categories names + the new id number they will be assigned
    category_name_to_id_map = {
        "Fiction": 1,
        "Non-Fiction": 2,
        "Adult": 0,          #0 represents a "removed"/unused category that no longer will be included
        "Reference": 16,
        "Religion": 3,
    }

    cursor.execute("SELECT id, author, title, content, category, ckey FROM library_old")
    data = cursor.fetchall()

    print("Loaded {} rows from library table...".format(len(data)))

    new_rows = []
    print("Modifying Categories...")
    for entry in data:
        book_id = entry[0]
        author = entry[1]
        title = entry[2]
        content = entry[3]
        category = entry[4]
        ckey = entry[5]

        update_entry = False
        new_entry = [
            book_id,
            author,
            title,
            content,
            category,
            ckey,
        ]
        if category not in category_name_to_id_map.keys():
            update_entry = True
            new_entry[4] = 0
            print("Corrupted Category Detected: removing \"{}\"...".format(category))
        else:
            for cat in category_name_to_id_map.keys():
                if cat == category:
                    update_entry = True
                    new_entry[4] = category_name_to_id_map[cat]
        if update_entry:
            new_rows.append(new_entry)
        else:
            print("ERROR: Book {} did not have its category changed".format(book_id))

    print("Modifying Content...")
    for entry in new_rows:
        new_content = json.dumps([entry[3]])
        entry[3] = new_content
        #here we're turning our content string into a JSON list
    print("Modified Content...")
    print("Vetting Book Titles & Contents...")
    duplicate_books = 0
    programmatic_books = 0
    notitle_books = 0
    short_books = 0
    for entry in new_rows:
        if "Print Job" in entry[2]:
            print("Book {} had \"Print Job\" in title: removing record...".format(entry[0]))
            notitle_books += 1
            new_rows.remove(entry)
            continue
        if "Standard Operating Procedure" in entry[2] or "<iframe" in entry[3]:
            print("Book {} named \"{}\" is programattic: removing record...".format(entry[0], entry[2]))
            programmatic_books += 1
            new_rows.remove(entry)
            continue
        if len(entry[3]) < 150:
            print("Book {} is less than 150 characters: removing record...".format(entry[0]))
            short_books += 1
            new_rows.remove(entry)
            continue
        for book in new_rows:
            if entry[2] == book[2] and entry != book:
                if entry[3] == book[3]:
                    print("Book {} and Book {} have the same title and content: removing record {}...".format(entry[0],book[0],book[0]))
                    new_rows.remove(book)
                    duplicate_books += 1
        #here we're turning our content string into a JSON list
    print("All Books vetted, books marked for deletion report:")
    print("Duplicate Books: {}".format(duplicate_books))
    print("No Title Books: {}".format(notitle_books))
    print("Programmatic Books: {}".format(programmatic_books))
    print("Short Books: {}".format(short_books))
    print("Generated {} rows to insert into new table".format(len(new_rows)))

    if len(new_rows) == 0:
        print("ERROR: No rows have been modfied, no update will be commited")


    print("Inserting...")
    for row in new_rows:
        params = [row[1], row[2], row[3], "", row[4], row[5], "", ""] #empty strings since some columns don't have default vals
        sql_query = "INSERT INTO library (author, title, content, summary, primary_category, ckey, reports, raters) VALUES (%s, %s, %s, %s, %s, %s, %s, %s)"
        cursor.execute(sql_query, params)

    cursor.close()
    print("Saving...")
    db.commit()
    print("Done!")

#this is a script not a library
if __name__ == "__main__":
    main()