import subprocess
import sqlite3
import os
import urllib.parse
import shutil

# conn = sqlite3.connect("Hentai.sqlite3")
conn = sqlite3.connect(":memory:")
conn.executescript("""
    DROP TABLE IF EXISTS artist;
    DROP TABLE IF EXISTS website;
    DROP TABLE IF EXISTS links;
""")
conn.executescript("""
    CREATE TABLE IF NOT EXISTS artist (
        id integer NOT NULL CONSTRAINT artist_pk PRIMARY KEY AUTOINCREMENT,
        name text NOT NULL
    );
    CREATE TABLE IF NOT EXISTS website (
        id integer NOT NULL CONSTRAINT website_pk PRIMARY KEY AUTOINCREMENT,
        name text NOT NULL
    );
    CREATE TABLE IF NOT EXISTS links (
        id integer NOT NULL CONSTRAINT links_pk PRIMARY KEY AUTOINCREMENT,
        url text NOT NULL,
        website_id integer NOT NULL,
        artist_id integer NOT NULL,
        CONSTRAINT links_artist FOREIGN KEY (artist_id)
        REFERENCES artist (id),
        CONSTRAINT links_website FOREIGN KEY (website_id)
        REFERENCES website (id)
    );
""")


def get_artist_from_url(url):
    if "rule34.xxx" in url:
        return urllib.parse.unquote(url)[51:]
    if "kemono.su" in url or "coomer.su" in url:
        return url.split("/")[5]
    return ""


def mv(source, destination):
    if not os.path.isdir(source):
        return
    if os.path.isfile(source):
        shutil.copy(source, destination)
        shutil.rmtree(source)
        return

    for item in os.listdir(source):
        if not os.path.isdir(destination):
            os.rename(source, destination)
            return

        if os.path.isdir(f"{source}/{item}"):
            mv(f"{source}/{item}", f"{destination}/{item}")
        elif os.path.isfile(f"{destination}/{item}"):
            shutil.copy(f"{source}/{item}", f"{destination}/{item}")
        else:
            shutil.copy(f"{source}/{item}", f"{destination}")
    shutil.rmtree(source)


# existing folder names may be not what is wanted, so this will take care of it
def name_needed(url, artist):
    artist_from_url = get_artist_from_url(url)
    if artist_from_url == "":
        exit(1)
    mv(f"Artists/{artist_from_url}", f"Artists/{artist}")


def insert_into_db(website_name, url, artist):
    conn.execute(f"INSERT INTO website(name) VALUES('{website_name}')")
    conn.execute(f"INSERT INTO artist(name) VALUES('{artist}')")

    sql = f"SELECT id FROM artist WHERE name like '{artist}'"
    artist_id = conn.execute(sql).fetchone()[0]

    sql = f"SELECT id FROM website WHERE name like '{website_name}'"
    website_id = conn.execute(sql).fetchone()[0]

    values = f"'{url}', '{website_id}', '{artist_id}'"
    sql = f"INSERT INTO links(url, website_id, artist_id) VALUES({values})"
    conn.execute(sql)


def import_website(website_name):
    file_name = f"downloaded_{website_name.lower()}.txt"
    file_contents = open(file_name).readlines()
    for line in file_contents:
        if line.startswith("#"):
            continue
        if "#" not in line:
            continue
        url = line.split("# ")[0].rstrip()
        artist = line.split("# ")[1].rstrip()
        name_needed(url, artist)
        insert_into_db(website_name, url, artist)
        break  # do only on for now


def read_db():
    result = conn.execute("""
        SELECT
            l.url,
            w.name,
            a.name
        FROM links l
        INNER JOIN website w ON l.website_id = w.id
        INNER JOIN artist a ON l.artist_id = a.id
    """)
    return result.fetchall()


def galleryDl(url, website_name, artist_name):
    directory = f"--directory Artists/{artist_name}/{website_name}"
    command = f"gallery-dl --config gallery-dl/config.json {directory} {url}"
    print(f"command: {command}")
    return
    process = subprocess.run(command, shell=True)
    print(f'Command \'{process.args}\' exited with {process.returncode} code')


# This will not work with Rule34 as is
# Rule34 will need it's artists to be added like the others
import_website("Rule34")
# conn.commit()
db_contents = read_db()
conn.close()

for row in db_contents:
    print(row)
    # galleryDl(row[0], row[1], row[2])