import requests
import json
from typing import List, Tuple

from tests.createAPI.create_delete_artist import list_artists, create_artist_entries, delete_artist_entries
from tests.createAPI.create_delete_presence import test_presence_entries, list_presences, create_presence_entries


test_art_entries = [
    {"hash": "hash1", "path": "artist1/image1", "title": "Image Title 1", "link": "http://localhost/artist1/image1.png",
     "presences": [(test_presence_entries[0]["name"], test_presence_entries[0]["domain"])]},
    {"hash": "hash2", "path": "artist1/image2", "title": "Image Title 2", "link": "http://localhost/artist1/image2.png",
     "presences": [(test_presence_entries[1]["name"], test_presence_entries[1]["domain"])]},
    {"hash": "hash3", "path": "artist2/image1", "title": "Image Title 3", "link": "http://localhost/artist2/image3.png",
     "presences": [(test_presence_entries[0]["name"], test_presence_entries[0]["domain"]),
                   (test_presence_entries[1]["name"], test_presence_entries[1]["domain"])]},
]


def list_art(url: str, port: int):
    """
    Return a list of all art known to the database
    :param url:
    :param port:
    :return:
    """
    r = requests.get(f"http://{url}:{port}/artnet/metadata/art")
    if r.status_code != 200:
        raise Exception("Failed querying for art!")
    art = json.loads(r.text)
    return art


def create_art_entries(url: str, port: int):
    """
    Creates many art entries for testing purposes
    :param url:
    :param port:
    :return:
    """
    for i in range(len(test_art_entries)):
        r = create_art(url, port, md5_hash=test_art_entries[i]["hash"], path=test_art_entries[i]["path"],
                       title=test_art_entries[i]["title"], link=test_art_entries[i]["link"],
                       presences=test_art_entries[i]["presences"])
        if r.status_code != 200:
            print(f"Create Art Entry Test Nr.{i}: failed with {r.status_code} and reason {r.text}")
            raise Exception("Create Art Entry Test: FAILED")
        else:
            test_art_entries[i]["ID"] = json.loads(r.text)["id"]

    print("Created art entries: SUCCESS")


def update_art_entries(url: str, port: int):
    for i in range(len(test_art_entries)):
        r = update_art(url, port, md5_hash=test_art_entries[i]["hash"]+"moreHash",
                       path=test_art_entries[i]["path"]+"evenBetterPath",
                       title=test_art_entries[i]["title"]+" updated",
                       presences=test_art_entries[i]["presences"], art_id=test_art_entries[i]["ID"])

        if r.status_code != 200:
            print(f"Update Art Entry Test Nr.{i}: failed with {r.status_code} and reason {r.text}")
            raise Exception("Update Art Entry Test: FAILED")

    for i in range(len(test_art_entries)):
        r = requests.get(f"http://{url}:{port}/artnet/metadata/art?id={test_art_entries[i]['ID']}")
        if json.loads(r.text)["title"].split(" ")[-1] != "updated":
            raise Exception("Update Art Entry Test: Failed (unexpected or no updated title)")
        if json.loads(r.text)["link"] != test_art_entries[i]["link"]:
            raise Exception("Update Art Entry Test: Failed (unexpected link)")

    print("Updated art entries: SUCCESS")


def delete_art_entries(url: str, port: int):
    arts = list_art(url, port)

    for i in range(len(arts)):
        if "id" in arts[i].keys():
            r = delete_art_by_id(url, port, art_id=arts[i]["id"])
        else:
            try:
                r = delete_art_by_hash(url, port, md5_hash=arts[i]["hash"])
            except ValueError:
                r = None

                if r is not None and r.status_code != 200:
                    raise Exception(f"Could not delete the art! {r.status_code}, {r.text}")

    print("Deleted art entries: SUCCESS")


def create_art(url: str, port: int, md5_hash: str, path: str, title: str, link: str, presences: List[Tuple[str, str]]):
    r = requests.post(f"http://{url}:{port}/artnet/metadata/art",
                      json={"hash": md5_hash, "path": path, "title": title, "link": link,
                            "presences": [{"name": presence[0], "domain": presence[1]} for presence in presences]})

    return r


def update_art(url: str, port: int, art_id: int, md5_hash: str = None, path: str = None, title: str = None,
               link: str = None, presences: List[Tuple[str, str]] = None):
    body = {}
    if md5_hash is not None:
        body["hash"] = md5_hash
    if path is not None:
        body["path"] = path
    if title is not None:
        body["title"] = title
    if link is not None:
        body["link"] = link
    if presences is not None:
        body["presences"] = [{"name": presence[0], "domain": presence[1]} for presence in presences]

    r = requests.post(f"http://{url}:{port}/artnet/metadata/art?id={art_id}",
                      json=body)

    return r


def delete_art_by_id(url: str, port: int, art_id: int):
    r = requests.delete(f"http://{url}:{port}/artnet/metadata/art?id={art_id}")

    return r


def delete_art_by_hash(url: str, port: int, md5_hash: str):
    r1 = requests.get(f"http://{url}:{port}/artnet/metadata/art?hash={md5_hash}")
    if r1.status_code != 200:
        raise ValueError("Could not delete art because it could not be found!")
    data = json.loads(str(r1.text))
    art_id = data['id']

    r = requests.delete(f"http://{url}:{port}/artnet/metadata/art?id={art_id}")

    return r


def run_art_test(url: str, port: int):
    print()
    print("----------------")

    print(f"Starting presence test with "
          f"({len(list_artists(url, port))}) artists, ({len(list_presences(url, port))}) presences, "
          f"({len(list_art(url, port))}) art!")
    print("Setting up artist and presences for the art test ...")
    create_artist_entries(url, port)
    create_presence_entries(url, port)

    print("Starting the art test ...")
    if len(list_art(url, port)) > 0:
        print("Deleting previous art entries of tests ...")
        delete_art_entries(url, port)

    print(f"Creating {len(test_art_entries)} art entries ...")
    create_art_entries(url, port)
    create_art_result = False if not len(list_art(url, port)) == 3 else True
    print(f"Found {len(list_art(url, port))} art entries!")
    if not create_art_result:
        print(f"Failure! Unexpected number of art entries!")

    print("Updating all art entries with new data ...")
    update_art_entries(url, port)
    update_art_result = True  # given, the update function would raise an exception on error
    print(f"Found {len(list_art(url, port))} art entries!")

    # TODO write test for updating presence-art relation

    print("Deleting all art entries ...")
    delete_art_entries(url, port)
    delete_art_result = False if not len(list_art(url, port)) == 0 else True
    print(f"Found {len(list_art(url, port))} art entries!")

    print("Art test complete! Cleaning up setup ...")
    delete_artist_entries(url, port)
    print("----------------")
    print()

    return create_art_result, update_art_result, delete_art_result