"""
Tests for the person storage layer.
"""

from __future__ import annotations

import asyncio
import os
import tempfile
from pathlib import Path

import pytest

from src.astro_mcp import storage


@pytest.fixture
def tmp_db(tmp_path, monkeypatch):
    """Use a temporary database for each test."""
    db_path = tmp_path / "test_astro.sqlite3"
    monkeypatch.setattr(storage, "DB_PATH", db_path)
    storage._initialized = False  # Reset init state
    yield db_path
    storage._initialized = False  # Cleanup


class TestAddPerson:
    def test_add_person(self, tmp_db):
        result = asyncio.run(storage.add_person(
            name="Test Person",
            birth_datetime="2000-01-01T12:00:00Z",
            latitude=47.0,
            longitude=8.0,
        ))
        assert result["name"] == "Test Person"
        assert result["birth_datetime"] == "2000-01-01T12:00:00Z"
        assert result["latitude"] == 47.0
        assert result["longitude"] == 8.0
        assert result["elevation"] == 0.0
        assert "id" in result
        assert "created_at" in result

    def test_add_person_with_nickname(self, tmp_db):
        result = asyncio.run(storage.add_person(
            name="Test Person",
            birth_datetime="2000-01-01T12:00:00Z",
            latitude=47.0,
            longitude=8.0,
            nickname="testy",
        ))
        assert result["nickname"] == "testy"

    def test_add_person_with_elevation(self, tmp_db):
        result = asyncio.run(storage.add_person(
            name="Test Person",
            birth_datetime="2000-01-01T12:00:00Z",
            latitude=47.0,
            longitude=8.0,
            elevation=500.0,
        ))
        assert result["elevation"] == 500.0


class TestGetPerson:
    def test_get_by_id(self, tmp_db):
        added = asyncio.run(storage.add_person(
            name="Test Person",
            birth_datetime="2000-01-01T12:00:00Z",
            latitude=47.0,
            longitude=8.0,
        ))
        fetched = asyncio.run(storage.get_person(person_id=added["id"]))
        assert fetched is not None
        assert fetched["id"] == added["id"]
        assert fetched["name"] == "Test Person"

    def test_get_by_nickname(self, tmp_db):
        asyncio.run(storage.add_person(
            name="Test Person",
            birth_datetime="2000-01-01T12:00:00Z",
            latitude=47.0,
            longitude=8.0,
            nickname="testy",
        ))
        fetched = asyncio.run(storage.get_person(nickname="testy"))
        assert fetched is not None
        assert fetched["nickname"] == "testy"

    def test_get_not_found(self, tmp_db):
        result = asyncio.run(storage.get_person(person_id="nonexistent"))
        assert result is None

    def test_get_no_params(self, tmp_db):
        result = asyncio.run(storage.get_person())
        assert result is None


class TestListPersons:
    def test_empty_list(self, tmp_db):
        result = asyncio.run(storage.list_persons())
        assert result == []

    def test_list_persons(self, tmp_db):
        for i in range(3):
            asyncio.run(storage.add_person(
                name=f"Person {i}",
                birth_datetime="2000-01-01T12:00:00Z",
                latitude=47.0,
                longitude=8.0,
            ))
        result = asyncio.run(storage.list_persons())
        assert len(result) == 3

    def test_list_ordered_newest_first(self, tmp_db):
        for i in range(3):
            asyncio.run(storage.add_person(
                name=f"Person {i}",
                birth_datetime="2000-01-01T12:00:00Z",
                latitude=47.0,
                longitude=8.0,
            ))
        result = asyncio.run(storage.list_persons())
        # Newest first
        assert result[0]["name"] == "Person 2"
        assert result[-1]["name"] == "Person 0"


class TestUpdatePerson:
    def test_update_name(self, tmp_db):
        added = asyncio.run(storage.add_person(
            name="Original",
            birth_datetime="2000-01-01T12:00:00Z",
            latitude=47.0,
            longitude=8.0,
        ))
        updated = asyncio.run(storage.update_person(
            person_id=added["id"],
            name="Updated",
        ))
        assert updated is not None
        assert updated["name"] == "Updated"
        assert updated["updated_at"] is not None

    def test_update_birth_data(self, tmp_db):
        added = asyncio.run(storage.add_person(
            name="Test",
            birth_datetime="2000-01-01T12:00:00Z",
            latitude=47.0,
            longitude=8.0,
        ))
        updated = asyncio.run(storage.update_person(
            person_id=added["id"],
            birth_datetime="1995-06-15T08:30:00Z",
            latitude=52.0,
            longitude=13.0,
        ))
        assert updated["birth_datetime"] == "1995-06-15T08:30:00Z"
        assert updated["latitude"] == 52.0
        assert updated["longitude"] == 13.0

    def test_update_not_found(self, tmp_db):
        result = asyncio.run(storage.update_person(
            person_id="nonexistent",
            name="Updated",
        ))
        assert result is None

    def test_update_no_fields_returns_unchanged(self, tmp_db):
        added = asyncio.run(storage.add_person(
            name="Test",
            birth_datetime="2000-01-01T12:00:00Z",
            latitude=47.0,
            longitude=8.0,
        ))
        updated = asyncio.run(storage.update_person(person_id=added["id"]))
        assert updated is not None
        assert updated["name"] == "Test"  # Unchanged


class TestDeletePerson:
    def test_delete_person(self, tmp_db):
        added = asyncio.run(storage.add_person(
            name="Test",
            birth_datetime="2000-01-01T12:00:00Z",
            latitude=47.0,
            longitude=8.0,
        ))
        deleted = asyncio.run(storage.delete_person(added["id"]))
        assert deleted is True

        # Verify it's gone
        fetched = asyncio.run(storage.get_person(person_id=added["id"]))
        assert fetched is None

    def test_delete_not_found(self, tmp_db):
        result = asyncio.run(storage.delete_person("nonexistent"))
        assert result is False