#!/usr/bin/env python3
"""Unit tests for list_saved functionality without API access"""

import sys
import os

sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))

import pytest
from unittest.mock import Mock, patch
from typing import List

from gumyum_npc_client import GumYumClient as AsyncClient, NPC, SpawnedData


@pytest.mark.asyncio
async def test_list_saved_attaches_client_reference():
    """Test that list_saved attaches client reference to NPCs"""
    # Mock client
    client = AsyncClient("http://test.com")

    # Mock response from API
    mock_response = {
        "npcs": [
            {
                "npc_id": 123,
                "name": "Test NPC 1",
                "profession": "Warrior",
                "personality_type": 8,
                "spawned": {
                    "location": "castle",
                    "mood": "determined",
                    "stress_level": 3,
                },
                "universe_id": "test-universe",
                "seed": 12345,
            },
            {
                "npc_id": 456,
                "name": "Test NPC 2",
                "profession": "Mage",
                "personality_type": 5,
                "spawned": {"location": "tower", "mood": "curious", "stress_level": 2},
                "universe_id": "test-universe",
                "seed": 54321,
            },
        ]
    }

    # Mock the get method
    with patch.object(client, "get") as mock_get:
        mock_get.return_value = mock_response

        # Call list_saved
        npcs = await client.npc.list_saved()

        # Verify the API was called correctly
        mock_get.assert_called_once_with("npc/list")

        # Verify we got NPC objects
        assert len(npcs) == 2
        assert all(isinstance(npc, NPC) for npc in npcs)

        # Verify client references are attached
        for npc in npcs:
            assert npc.client is client
            assert hasattr(npc, "chat")
            assert hasattr(npc, "completions")

        # Verify NPC data is correct
        assert npcs[0].npc_id == 123
        assert npcs[0].name == "Test NPC 1"
        assert npcs[0].profession == "Warrior"
        assert npcs[0].personality_type == 8
        assert npcs[0].universe_id == "test-universe"

        assert npcs[1].npc_id == 456
        assert npcs[1].name == "Test NPC 2"
        assert npcs[1].profession == "Mage"
        assert npcs[1].personality_type == 5


def test_list_saved_handles_missing_fields():
    """Test that list_saved handles missing optional fields gracefully"""
    # Create NPCManager directly
    from gumyum_npc_client import NPCManager

    mock_client = Mock()
    npc_manager = NPCManager(mock_client)

    # Mock response with minimal data
    mock_response = {
        "npcs": [
            {
                "npc_id": 789,
                "name": "Minimal NPC",
                "profession": "Farmer",
                # personality_type missing - should default to 5
                "spawned": {"location": "field", "mood": "content", "stress_level": 1},
                "universe_id": "test-universe",
                # seed missing - should default to 0
            }
        ]
    }

    # Use asyncio.run to handle the async method
    import asyncio

    async def run_test():
        async def mock_get(*args, **kwargs):
            return mock_response

        mock_client.get = mock_get
        npcs = await npc_manager.list_saved()
        return npcs

    npcs = asyncio.run(run_test())

    # Verify defaults were applied
    assert len(npcs) == 1
    assert npcs[0].personality_type == 5  # Default value
    assert npcs[0].seed == 0  # Default value
    assert npcs[0].npc_id == 789
    assert npcs[0].name == "Minimal NPC"


def test_npc_chat_requires_client():
    """Test that NPC chat methods require client reference"""
    # Create NPC without client
    npc = NPC(
        npc_id=999,
        name="Orphan NPC",
        profession="Lost",
        personality_type=1,
        spawned=SpawnedData(location="nowhere", mood="confused", stress_level=10),
        universe_id="test-universe",
        seed=0,
    )

    # Verify no client
    assert npc.client is None

    # Chat proxy should still be created
    assert npc.chat is not None

    # But trying to use it should raise error
    import asyncio

    async def test_chat():
        with pytest.raises(ValueError, match="NPC has no client reference"):
            await npc.chat.completions([{"role": "user", "content": "Hello"}])

        with pytest.raises(ValueError, match="NPC has no client reference"):
            await npc.completions([{"role": "user", "content": "Hello"}])

    asyncio.run(test_chat())


def test_list_saved_empty_response():
    """Test that list_saved handles empty response correctly"""
    from gumyum_npc_client import NPCManager

    mock_client = Mock()
    npc_manager = NPCManager(mock_client)

    # Mock empty response
    mock_response = {"npcs": []}

    import asyncio

    async def run_test():
        async def mock_get(*args, **kwargs):
            return mock_response

        mock_client.get = mock_get
        npcs = await npc_manager.list_saved()
        return npcs

    npcs = asyncio.run(run_test())

    # Should return empty list
    assert isinstance(npcs, list)
    assert len(npcs) == 0


if __name__ == "__main__":
    import asyncio

    # Run async test
    asyncio.run(test_list_saved_attaches_client_reference())

    # Run sync tests
    test_list_saved_handles_missing_fields()
    test_npc_chat_requires_client()
    test_list_saved_empty_response()

    print("✅ All unit tests passed!")