from __future__ import annotations

import time

from yuxi.channels.adapters.twitch.outbound_cache import OutboundCacheManager


class TestOutboundCacheManager:
    def test_record_stores_entry(self):
        cache = OutboundCacheManager()
        cache.record("#channel", "Hello world")
        entries = cache.get_all()
        assert len(entries) == 1
        assert entries[0]["channel"] == "#channel"
        assert entries[0]["content"] == "Hello world"

    def test_record_with_message_id(self):
        cache = OutboundCacheManager()
        cache.record("#channel", "Hello", message_id="msg_123")
        entries = cache.get_all()
        assert entries[0]["message_id"] == "msg_123"

    def test_record_returns_cache_key(self):
        cache = OutboundCacheManager()
        key = cache.record("#channel", "Hello", message_id="msg_123")
        assert key == "msg_123"

    def test_record_returns_auto_key_without_message_id(self):
        cache = OutboundCacheManager()
        key = cache.record("#channel", "Hello")
        assert ":" in key

    def test_multiple_records(self):
        cache = OutboundCacheManager()
        cache.record("#ch1", "msg1", message_id="id1")
        cache.record("#ch2", "msg2", message_id="id2")
        cache.record("#ch3", "msg3", message_id="id3")
        assert len(cache.get_all()) == 3

    def test_find_by_message_id_found(self):
        cache = OutboundCacheManager()
        cache.record("#channel", "Hello", message_id="msg_123")
        entry = cache.find_by_message_id("msg_123")
        assert entry is not None
        assert entry["content"] == "Hello"

    def test_find_by_message_id_not_found(self):
        cache = OutboundCacheManager()
        cache.record("#channel", "Hello", message_id="msg_123")
        entry = cache.find_by_message_id("nonexistent")
        assert entry is None

    def test_find_by_message_id_without_message_id(self):
        cache = OutboundCacheManager()
        cache.record("#channel", "Hello")
        entry = cache.find_by_message_id("any_id")
        assert entry is None

    def test_max_size_enforcement(self):
        cache = OutboundCacheManager(max_size=3)
        for i in range(5):
            cache.record("#ch", f"msg{i}", message_id=f"id{i}")
        entries = cache.get_all()
        assert len(entries) == 3

    def test_oldest_entry_evicted(self):
        cache = OutboundCacheManager(max_size=3)
        cache.record("#ch", "first", message_id="id1")
        cache.record("#ch", "second", message_id="id2")
        cache.record("#ch", "third", message_id="id3")
        cache.record("#ch", "fourth", message_id="id4")
        entries = cache.get_all()
        contents = [e["content"] for e in entries]
        assert "first" not in contents

    def test_get_all_empty(self):
        cache = OutboundCacheManager()
        assert cache.get_all() == []

    def test_record_timestamp_present(self):
        cache = OutboundCacheManager()
        cache.record("#ch", "msg")
        entry = cache.get_all()[0]
        assert "timestamp" in entry
        assert isinstance(entry["timestamp"], float)