from __future__ import annotations

import tempfile
from pathlib import Path
from typing import TYPE_CHECKING

from reader import Entry, Feed, Reader, make_reader

from discord_rss_bot.filter.whitelist import has_white_tags, should_be_sent

if TYPE_CHECKING:
    from collections.abc import Iterable

feed_url: str = "https://lovinator.space/rss_test.xml"


# Create the database
def get_reader() -> Reader:
    tempdir: Path = Path(tempfile.mkdtemp())

    reader_database: Path = tempdir / "test.sqlite"
    reader: Reader = make_reader(url=str(reader_database))

    return reader


def test_has_white_tags() -> None:
    reader: Reader = get_reader()

    # Add feed and update entries
    reader.add_feed(feed_url)
    feed: Feed = reader.get_feed(feed_url)
    reader.update_feeds()

    # Test feed without any whitelist tags
    assert has_white_tags(custom_reader=get_reader(), feed=feed) is False, "Feed should not have any whitelist tags"

    check_if_has_tag(reader, feed, "whitelist_title")
    check_if_has_tag(reader, feed, "whitelist_summary")
    check_if_has_tag(reader, feed, "whitelist_content")
    check_if_has_tag(reader, feed, "whitelist_author")

    # Test regex whitelist tags
    check_if_has_tag(reader, feed, "regex_whitelist_title")
    check_if_has_tag(reader, feed, "regex_whitelist_summary")
    check_if_has_tag(reader, feed, "regex_whitelist_content")
    check_if_has_tag(reader, feed, "regex_whitelist_author")

    # Clean up
    reader.delete_feed(feed_url)


def check_if_has_tag(reader: Reader, feed: Feed, whitelist_name: str) -> None:
    reader.set_tag(feed, whitelist_name, "a")  # pyright: ignore[reportArgumentType]
    assert has_white_tags(custom_reader=reader, feed=feed) is True, "Feed should have whitelist tags"
    reader.delete_tag(feed, whitelist_name)
    assert has_white_tags(custom_reader=reader, feed=feed) is False, "Feed should not have any whitelist tags"


def test_should_be_sent() -> None:
    reader: Reader = get_reader()

    # Add feed and update entries
    reader.add_feed(feed_url)
    feed: Feed = reader.get_feed(feed_url)
    reader.update_feeds()

    # Get first entry
    first_entry: list[Entry] = []
    entries: Iterable[Entry] = reader.get_entries(feed=feed)
    assert entries is not None, "Entries should not be None"
    for entry in entries:
        first_entry.append(entry)
        break
    assert len(first_entry) == 1, "First entry should be added"

    # Test entry without any whitelists
    assert should_be_sent(reader, first_entry[0]) is False, "Entry should not be sent"

    reader.set_tag(feed, "whitelist_title", "fvnnnfnfdnfdnfd")  # pyright: ignore[reportArgumentType]
    assert should_be_sent(reader, first_entry[0]) is True, "Entry should be sent"
    reader.delete_tag(feed, "whitelist_title")
    assert should_be_sent(reader, first_entry[0]) is False, "Entry should not be sent"

    reader.set_tag(feed, "whitelist_title", "åäö")  # pyright: ignore[reportArgumentType]
    assert should_be_sent(reader, first_entry[0]) is False, "Entry should not be sent"
    reader.delete_tag(feed, "whitelist_title")
    assert should_be_sent(reader, first_entry[0]) is False, "Entry should not be sent"

    reader.set_tag(feed, "whitelist_summary", "ffdnfdnfdnfdnfdndfn")  # pyright: ignore[reportArgumentType]
    assert should_be_sent(reader, first_entry[0]) is True, "Entry should be sent"
    reader.delete_tag(feed, "whitelist_summary")
    assert should_be_sent(reader, first_entry[0]) is False, "Entry should not be sent"

    reader.set_tag(feed, "whitelist_summary", "åäö")  # pyright: ignore[reportArgumentType]
    assert should_be_sent(reader, first_entry[0]) is False, "Entry should not be sent"
    reader.delete_tag(feed, "whitelist_summary")
    assert should_be_sent(reader, first_entry[0]) is False, "Entry should not be sent"

    reader.set_tag(feed, "whitelist_content", "ffdnfdnfdnfdnfdndfn")  # pyright: ignore[reportArgumentType]
    assert should_be_sent(reader, first_entry[0]) is True, "Entry should be sent"
    reader.delete_tag(feed, "whitelist_content")
    assert should_be_sent(reader, first_entry[0]) is False, "Entry should not be sent"

    reader.set_tag(feed, "whitelist_content", "åäö")  # pyright: ignore[reportArgumentType]
    assert should_be_sent(reader, first_entry[0]) is False, "Entry should not be sent"
    reader.delete_tag(feed, "whitelist_content")
    assert should_be_sent(reader, first_entry[0]) is False, "Entry should not be sent"

    reader.set_tag(feed, "whitelist_author", "TheLovinator")  # pyright: ignore[reportArgumentType]
    assert should_be_sent(reader, first_entry[0]) is True, "Entry should be sent"
    reader.delete_tag(feed, "whitelist_author")
    assert should_be_sent(reader, first_entry[0]) is False, "Entry should not be sent"

    reader.set_tag(feed, "whitelist_author", "åäö")  # pyright: ignore[reportArgumentType]
    assert should_be_sent(reader, first_entry[0]) is False, "Entry should not be sent"
    reader.delete_tag(feed, "whitelist_author")
    assert should_be_sent(reader, first_entry[0]) is False, "Entry should not be sent"


def test_regex_should_be_sent() -> None:
    """Test the regex filtering functionality for whitelist."""
    reader: Reader = get_reader()

    # Add feed and update entries
    reader.add_feed(feed_url)
    feed: Feed = reader.get_feed(feed_url)
    reader.update_feeds()

    # Get first entry
    first_entry: list[Entry] = []
    entries: Iterable[Entry] = reader.get_entries(feed=feed)
    assert entries is not None, "Entries should not be None"
    for entry in entries:
        first_entry.append(entry)
        break
    assert len(first_entry) == 1, "First entry should be added"

    # Test entry without any regex whitelists
    assert should_be_sent(reader, first_entry[0]) is False, "Entry should not be sent"

    # Test regex whitelist for title
    reader.set_tag(feed, "regex_whitelist_title", r"fvnnn\w+")  # pyright: ignore[reportArgumentType]
    assert should_be_sent(reader, first_entry[0]) is True, "Entry should be sent with regex title match"
    reader.delete_tag(feed, "regex_whitelist_title")
    assert should_be_sent(reader, first_entry[0]) is False, "Entry should not be sent"

    # Test regex whitelist for summary
    reader.set_tag(feed, "regex_whitelist_summary", r"ffdnfdn\w+")  # pyright: ignore[reportArgumentType]
    assert should_be_sent(reader, first_entry[0]) is True, "Entry should be sent with regex summary match"
    reader.delete_tag(feed, "regex_whitelist_summary")
    assert should_be_sent(reader, first_entry[0]) is False, "Entry should not be sent"

    # Test regex whitelist for content
    reader.set_tag(feed, "regex_whitelist_content", r"ffdnfdnfdn\w+")  # pyright: ignore[reportArgumentType]
    assert should_be_sent(reader, first_entry[0]) is True, "Entry should be sent with regex content match"
    reader.delete_tag(feed, "regex_whitelist_content")
    assert should_be_sent(reader, first_entry[0]) is False, "Entry should not be sent"

    # Test regex whitelist for author
    reader.set_tag(feed, "regex_whitelist_author", r"TheLovinator\d*")  # pyright: ignore[reportArgumentType]
    assert should_be_sent(reader, first_entry[0]) is True, "Entry should be sent with regex author match"
    reader.delete_tag(feed, "regex_whitelist_author")
    assert should_be_sent(reader, first_entry[0]) is False, "Entry should not be sent"

    # Test invalid regex pattern (should not raise an exception)
    reader.set_tag(feed, "regex_whitelist_title", r"[incomplete")  # pyright: ignore[reportArgumentType]
    assert should_be_sent(reader, first_entry[0]) is False, "Entry should not be sent with invalid regex"
    reader.delete_tag(feed, "regex_whitelist_title")

    # Test multiple regex patterns separated by commas
    reader.set_tag(feed, "regex_whitelist_author", r"pattern1,TheLovinator\d*,pattern3")  # pyright: ignore[reportArgumentType]
    assert should_be_sent(reader, first_entry[0]) is True, "Entry should be sent with one matching pattern in list"
    reader.delete_tag(feed, "regex_whitelist_author")
    assert should_be_sent(reader, first_entry[0]) is False, "Entry should not be sent"

    # Test newline-separated regex patterns
    newline_patterns = "pattern1\nTheLovinator\\d*\npattern3"
    reader.set_tag(feed, "regex_whitelist_author", newline_patterns)  # pyright: ignore[reportArgumentType]
    assert should_be_sent(reader, first_entry[0]) is True, "Entry should be sent with newline-separated patterns"
    reader.delete_tag(feed, "regex_whitelist_author")
    assert should_be_sent(reader, first_entry[0]) is False, "Entry should not be sent"