import random
from collections.abc import Generator
from dataclasses import dataclass
from uuid import UUID

import pytest
from fastapi.testclient import TestClient
from pydantic import UUID4

from mealie.schema.cookbook.cookbook import ReadCookBook, SaveCookBook
from tests import utils
from tests.utils import api_routes
from tests.utils.factories import random_string
from tests.utils.fixture_schemas import TestUser


def get_page_data(group_id: UUID | str, household_id: UUID4 | str):
    name_and_slug = random_string(10)
    return {
        "name": name_and_slug,
        "slug": name_and_slug,
        "description": "",
        "position": 0,
        "query_filter_string": "",
        "group_id": str(group_id),
        "household_id": str(household_id),
    }


@dataclass
class TestCookbook:
    id: UUID4
    slug: str
    name: str
    data: dict


@pytest.fixture(scope="function")
def cookbooks(unique_user: TestUser) -> Generator[list[TestCookbook]]:
    database = unique_user.repos

    data: list[ReadCookBook] = []
    yield_data: list[TestCookbook] = []
    for _ in range(3):
        cb = database.cookbooks.create(SaveCookBook(**get_page_data(unique_user.group_id, unique_user.household_id)))
        assert cb.slug
        data.append(cb)
        yield_data.append(TestCookbook(id=cb.id, slug=cb.slug, name=cb.name, data=cb.model_dump()))

    yield yield_data

    for cb in data:
        try:
            database.cookbooks.delete(cb.id)
        except Exception:
            pass


def test_create_cookbook(api_client: TestClient, unique_user: TestUser):
    page_data = get_page_data(unique_user.group_id, unique_user.household_id)
    response = api_client.post(api_routes.households_cookbooks, json=page_data, headers=unique_user.token)
    assert response.status_code == 201
    assert response.json()["groupId"] == unique_user.group_id
    assert response.json()["householdId"] == unique_user.household_id


@pytest.mark.parametrize("name_input", ["", " ", "@"])
def test_create_cookbook_bad_name(api_client: TestClient, unique_user: TestUser, name_input: str):
    data = {
        "name": name_input,
        "slug": name_input,
        "description": "",
        "position": 0,
        "categories": [],
        "group_id": str(unique_user.group_id),
        "household_id": str(unique_user.household_id),
    }

    response = api_client.post(api_routes.households_cookbooks, json=data, headers=unique_user.token)
    assert response.status_code == 422


@pytest.mark.parametrize("use_other_household", [True, False])
def test_read_cookbook(
    api_client: TestClient,
    unique_user: TestUser,
    h2_user: TestUser,
    cookbooks: list[TestCookbook],
    use_other_household: bool,
):
    sample = random.choice(cookbooks)
    household = unique_user.repos.households.get_one(sample.data["household_id"])
    assert household

    if use_other_household:
        headers = h2_user.token
    else:
        headers = unique_user.token

    # all households should be able to fetch all cookbooks
    response = api_client.get(api_routes.households_cookbooks_item_id(sample.id), headers=headers)
    assert response.status_code == 200

    page_data = response.json()

    assert page_data["id"] == str(sample.id)
    assert page_data["slug"] == sample.slug
    assert page_data["name"] == sample.name
    assert page_data["groupId"] == str(unique_user.group_id)
    assert page_data["householdId"] == str(unique_user.household_id)
    assert page_data["household"]["name"] == household.name


def test_update_cookbook(api_client: TestClient, unique_user: TestUser, cookbooks: list[TestCookbook]):
    cookbook = random.choice(cookbooks)

    update_data = get_page_data(unique_user.group_id, unique_user.household_id)

    update_data["name"] = random_string(10)

    response = api_client.put(
        api_routes.households_cookbooks_item_id(cookbook.id), json=update_data, headers=unique_user.token
    )
    assert response.status_code == 200

    response = api_client.get(api_routes.households_cookbooks_item_id(cookbook.id), headers=unique_user.token)
    assert response.status_code == 200

    page_data = response.json()
    assert page_data["name"] == update_data["name"]
    assert page_data["slug"] == update_data["name"]


def test_update_cookbook_other_household(
    api_client: TestClient, unique_user: TestUser, h2_user: TestUser, cookbooks: list[TestCookbook]
):
    cookbook = random.choice(cookbooks)

    update_data = get_page_data(unique_user.group_id, unique_user.household_id)

    update_data["name"] = random_string(10)

    response = api_client.put(
        api_routes.households_cookbooks_item_id(cookbook.id), json=update_data, headers=h2_user.token
    )
    assert response.status_code == 404

    response = api_client.get(api_routes.households_cookbooks_item_id(cookbook.id), headers=unique_user.token)
    assert response.status_code == 200

    page_data = response.json()
    assert page_data["name"] != update_data["name"]
    assert page_data["slug"] != update_data["name"]


def test_update_cookbooks_many(api_client: TestClient, unique_user: TestUser, cookbooks: list[TestCookbook]):
    pages = [x.data for x in cookbooks]

    reverse_order = sorted(pages, key=lambda x: x["position"], reverse=True)
    for x, page in enumerate(reverse_order):
        page["position"] = x
        page["group_id"] = str(unique_user.group_id)

    response = api_client.put(
        api_routes.households_cookbooks, json=utils.jsonify(reverse_order), headers=unique_user.token
    )
    assert response.status_code == 200

    response = api_client.get(api_routes.households_cookbooks, headers=unique_user.token)
    assert response.status_code == 200

    known_ids = [x.id for x in cookbooks]

    server_ids = [x["id"] for x in response.json()["items"]]

    for know in known_ids:  # Hacky check, because other tests don't cleanup after themselves :(
        assert str(know) in server_ids


def test_update_cookbooks_many_other_household(
    api_client: TestClient, unique_user: TestUser, h2_user: TestUser, cookbooks: list[TestCookbook]
):
    pages = [x.data for x in cookbooks]

    reverse_order = sorted(pages, key=lambda x: x["position"], reverse=True)
    for x, page in enumerate(reverse_order):
        page["position"] = x
        page["group_id"] = str(unique_user.group_id)

    response = api_client.put(api_routes.households_cookbooks, json=utils.jsonify(reverse_order), headers=h2_user.token)
    assert response.status_code == 404


def test_delete_cookbook(api_client: TestClient, unique_user: TestUser, cookbooks: list[TestCookbook]):
    sample = random.choice(cookbooks)
    response = api_client.delete(api_routes.households_cookbooks_item_id(sample.id), headers=unique_user.token)

    assert response.status_code == 200

    response = api_client.get(api_routes.households_cookbooks_item_id(sample.slug), headers=unique_user.token)
    assert response.status_code == 404


def test_delete_cookbook_other_household(
    api_client: TestClient, unique_user: TestUser, h2_user: TestUser, cookbooks: list[TestCookbook]
):
    sample = random.choice(cookbooks)
    response = api_client.delete(api_routes.households_cookbooks_item_id(sample.id), headers=h2_user.token)

    assert response.status_code == 404

    response = api_client.get(api_routes.households_cookbooks_item_id(sample.slug), headers=unique_user.token)
    assert response.status_code == 200


@pytest.mark.parametrize(
    "qf_string, expected_code",
    [
        ('tags.name CONTAINS ALL ["tag1","tag2"]', 200),
        ('badfield = "badvalue"', 422),
        ('recipe_category.id IN ["1"]', 422),
        ('created_at >= "not-a-date"', 422),
    ],
    ids=[
        "valid qf",
        "invalid field",
        "invalid UUID",
        "invalid date",
    ],
)
def test_cookbook_validate_query_filter_string(
    api_client: TestClient, unique_user: TestUser, qf_string: str, expected_code: int
):
    # Create
    cb_data = {"name": random_string(10), "slug": random_string(10), "query_filter_string": qf_string}
    response = api_client.post(api_routes.households_cookbooks, json=cb_data, headers=unique_user.token)
    assert response.status_code == expected_code if expected_code != 200 else 201

    # Update
    cb_data = {"name": random_string(10), "slug": random_string(10), "query_filter_string": ""}
    response = api_client.post(api_routes.households_cookbooks, json=cb_data, headers=unique_user.token)
    assert response.status_code == 201
    cb_data = response.json()

    cb_data["queryFilterString"] = qf_string
    response = api_client.put(
        api_routes.households_cookbooks_item_id(cb_data["id"]), json=cb_data, headers=unique_user.token
    )
    assert response.status_code == expected_code if expected_code != 201 else 200

    # Out; should skip validation, so this should never error out
    ReadCookBook(**cb_data)
