"""
Tests for the attacker profile API routes.

Covers:
- GET /attackers: paginated list, search, sort_by
- GET /attackers/{uuid}: single profile detail, 404 on missing UUID
- Auth enforcement on both endpoints
"""

import json
from datetime import datetime, timezone
from unittest.mock import AsyncMock, MagicMock, patch

import pytest
from fastapi import HTTPException

from decnet.web.auth import create_access_token
from decnet.web.router.attackers.api_get_attackers import _reset_total_cache


@pytest.fixture(autouse=True)
def _reset_attackers_cache():
    _reset_total_cache()
    yield
    _reset_total_cache()


# ─── Helpers ──────────────────────────────────────────────────────────────────

def _auth_request(uuid: str = "test-user-uuid") -> MagicMock:
    token = create_access_token({"uuid": uuid})
    req = MagicMock()
    req.headers = {"Authorization": f"Bearer {token}"}
    return req


def _sample_attacker(uuid: str = "att-uuid-1", ip: str = "1.2.3.4") -> dict:
    return {
        "uuid": uuid,
        "ip": ip,
        "first_seen": datetime(2026, 4, 1, tzinfo=timezone.utc).isoformat(),
        "last_seen": datetime(2026, 4, 10, tzinfo=timezone.utc).isoformat(),
        "event_count": 42,
        "service_count": 3,
        "decky_count": 2,
        "services": ["ssh", "http", "ftp"],
        "deckies": ["decky-01", "decky-02"],
        "traversal_path": "decky-01 → decky-02",
        "is_traversal": True,
        "bounty_count": 5,
        "credential_count": 2,
        "fingerprints": [{"type": "ja3", "hash": "abc"}],
        "commands": [{"service": "ssh", "decky": "decky-01", "command": "id", "timestamp": "2026-04-01T10:00:00"}],
        "updated_at": datetime(2026, 4, 10, tzinfo=timezone.utc).isoformat(),
    }


# ─── GET /attackers ──────────────────────────────────────────────────────────

class TestGetAttackers:
    @pytest.mark.asyncio
    async def test_returns_paginated_response(self):
        from decnet.web.router.attackers.api_get_attackers import get_attackers

        sample = _sample_attacker()
        with patch("decnet.web.router.attackers.api_get_attackers.repo") as mock_repo:
            mock_repo.get_attackers = AsyncMock(return_value=[sample])
            mock_repo.get_total_attackers = AsyncMock(return_value=1)
            mock_repo.get_behaviors_for_ips = AsyncMock(return_value={})

            result = await get_attackers(
                limit=50, offset=0, search=None, sort_by="recent",
                user={"uuid": "test-user", "role": "viewer"},
            )

        assert result["total"] == 1
        assert result["limit"] == 50
        assert result["offset"] == 0
        assert len(result["data"]) == 1
        assert result["data"][0]["uuid"] == "att-uuid-1"

    @pytest.mark.asyncio
    async def test_search_parameter_forwarded(self):
        from decnet.web.router.attackers.api_get_attackers import get_attackers

        with patch("decnet.web.router.attackers.api_get_attackers.repo") as mock_repo:
            mock_repo.get_attackers = AsyncMock(return_value=[])
            mock_repo.get_total_attackers = AsyncMock(return_value=0)
            mock_repo.get_behaviors_for_ips = AsyncMock(return_value={})

            await get_attackers(
                limit=50, offset=0, search="192.168", sort_by="recent",
                user={"uuid": "test-user", "role": "viewer"},
            )

        mock_repo.get_attackers.assert_awaited_once_with(
            limit=50, offset=0, search="192.168", sort_by="recent", service=None,
        )
        mock_repo.get_total_attackers.assert_awaited_once_with(search="192.168", service=None)

    @pytest.mark.asyncio
    async def test_null_search_normalized(self):
        from decnet.web.router.attackers.api_get_attackers import get_attackers

        with patch("decnet.web.router.attackers.api_get_attackers.repo") as mock_repo:
            mock_repo.get_attackers = AsyncMock(return_value=[])
            mock_repo.get_total_attackers = AsyncMock(return_value=0)
            mock_repo.get_behaviors_for_ips = AsyncMock(return_value={})

            await get_attackers(
                limit=50, offset=0, search="null", sort_by="recent",
                user={"uuid": "test-user", "role": "viewer"},
            )

        mock_repo.get_attackers.assert_awaited_once_with(
            limit=50, offset=0, search=None, sort_by="recent", service=None,
        )

    @pytest.mark.asyncio
    async def test_sort_by_active(self):
        from decnet.web.router.attackers.api_get_attackers import get_attackers

        with patch("decnet.web.router.attackers.api_get_attackers.repo") as mock_repo:
            mock_repo.get_attackers = AsyncMock(return_value=[])
            mock_repo.get_total_attackers = AsyncMock(return_value=0)
            mock_repo.get_behaviors_for_ips = AsyncMock(return_value={})

            await get_attackers(
                limit=50, offset=0, search=None, sort_by="active",
                user={"uuid": "test-user", "role": "viewer"},
            )

        mock_repo.get_attackers.assert_awaited_once_with(
            limit=50, offset=0, search=None, sort_by="active", service=None,
        )

    @pytest.mark.asyncio
    async def test_empty_search_normalized_to_none(self):
        from decnet.web.router.attackers.api_get_attackers import get_attackers

        with patch("decnet.web.router.attackers.api_get_attackers.repo") as mock_repo:
            mock_repo.get_attackers = AsyncMock(return_value=[])
            mock_repo.get_total_attackers = AsyncMock(return_value=0)
            mock_repo.get_behaviors_for_ips = AsyncMock(return_value={})

            await get_attackers(
                limit=50, offset=0, search="", sort_by="recent",
                user={"uuid": "test-user", "role": "viewer"},
            )

        mock_repo.get_attackers.assert_awaited_once_with(
            limit=50, offset=0, search=None, sort_by="recent", service=None,
        )

    @pytest.mark.asyncio
    async def test_service_filter_forwarded(self):
        from decnet.web.router.attackers.api_get_attackers import get_attackers

        with patch("decnet.web.router.attackers.api_get_attackers.repo") as mock_repo:
            mock_repo.get_attackers = AsyncMock(return_value=[])
            mock_repo.get_total_attackers = AsyncMock(return_value=0)
            mock_repo.get_behaviors_for_ips = AsyncMock(return_value={})

            await get_attackers(
                limit=50, offset=0, search=None, sort_by="recent",
                service="https", user={"uuid": "test-user", "role": "viewer"},
            )

        mock_repo.get_attackers.assert_awaited_once_with(
            limit=50, offset=0, search=None, sort_by="recent", service="https",
        )
        mock_repo.get_total_attackers.assert_awaited_once_with(search=None, service="https")


# ─── GET /attackers/{uuid} ───────────────────────────────────────────────────

class TestGetAttackerDetail:
    @pytest.mark.asyncio
    async def test_returns_attacker_by_uuid(self):
        from decnet.web.router.attackers.api_get_attacker_detail import get_attacker_detail

        sample = _sample_attacker()
        with patch("decnet.web.router.attackers.api_get_attacker_detail.repo") as mock_repo:
            mock_repo.get_attacker_by_uuid = AsyncMock(return_value=sample)
            mock_repo.get_attacker_behavior = AsyncMock(return_value=None)

            result = await get_attacker_detail(uuid="att-uuid-1", user={"uuid": "test-user", "role": "viewer"})

        assert result["uuid"] == "att-uuid-1"
        assert result["ip"] == "1.2.3.4"
        assert result["is_traversal"] is True
        assert isinstance(result["commands"], list)

    @pytest.mark.asyncio
    async def test_404_on_unknown_uuid(self):
        from decnet.web.router.attackers.api_get_attacker_detail import get_attacker_detail

        with patch("decnet.web.router.attackers.api_get_attacker_detail.repo") as mock_repo:
            mock_repo.get_attacker_by_uuid = AsyncMock(return_value=None)

            with pytest.raises(HTTPException) as exc_info:
                await get_attacker_detail(uuid="nonexistent", user={"uuid": "test-user", "role": "viewer"})

        assert exc_info.value.status_code == 404

    @pytest.mark.asyncio
    async def test_deserialized_json_fields(self):
        from decnet.web.router.attackers.api_get_attacker_detail import get_attacker_detail

        sample = _sample_attacker()
        with patch("decnet.web.router.attackers.api_get_attacker_detail.repo") as mock_repo:
            mock_repo.get_attacker_by_uuid = AsyncMock(return_value=sample)
            mock_repo.get_attacker_behavior = AsyncMock(return_value=None)

            result = await get_attacker_detail(uuid="att-uuid-1", user={"uuid": "test-user", "role": "viewer"})

        assert isinstance(result["services"], list)
        assert isinstance(result["deckies"], list)
        assert isinstance(result["fingerprints"], list)
        assert isinstance(result["commands"], list)


# ─── GET /attackers/{uuid}/commands ──────────────────────────────────────────

class TestGetAttackerCommands:
    @pytest.mark.asyncio
    async def test_returns_paginated_commands(self):
        from decnet.web.router.attackers.api_get_attacker_commands import get_attacker_commands

        sample = _sample_attacker()
        cmds = [
            {"service": "ssh", "decky": "decky-01", "command": "id", "timestamp": "2026-04-01T10:00:00"},
            {"service": "ssh", "decky": "decky-01", "command": "whoami", "timestamp": "2026-04-01T10:01:00"},
        ]
        with patch("decnet.web.router.attackers.api_get_attacker_commands.repo") as mock_repo:
            mock_repo.get_attacker_by_uuid = AsyncMock(return_value=sample)
            mock_repo.get_attacker_commands = AsyncMock(return_value={"total": 2, "data": cmds})

            result = await get_attacker_commands(
                uuid="att-uuid-1", limit=50, offset=0, service=None,
                user={"uuid": "test-user", "role": "viewer"},
            )

        assert result["total"] == 2
        assert len(result["data"]) == 2
        assert result["limit"] == 50
        assert result["offset"] == 0

    @pytest.mark.asyncio
    async def test_service_filter_forwarded(self):
        from decnet.web.router.attackers.api_get_attacker_commands import get_attacker_commands

        sample = _sample_attacker()
        with patch("decnet.web.router.attackers.api_get_attacker_commands.repo") as mock_repo:
            mock_repo.get_attacker_by_uuid = AsyncMock(return_value=sample)
            mock_repo.get_attacker_commands = AsyncMock(return_value={"total": 0, "data": []})

            await get_attacker_commands(
                uuid="att-uuid-1", limit=50, offset=0, service="ssh",
                user={"uuid": "test-user", "role": "viewer"},
            )

        mock_repo.get_attacker_commands.assert_awaited_once_with(
            uuid="att-uuid-1", limit=50, offset=0, service="ssh",
        )

    @pytest.mark.asyncio
    async def test_404_on_unknown_uuid(self):
        from decnet.web.router.attackers.api_get_attacker_commands import get_attacker_commands

        with patch("decnet.web.router.attackers.api_get_attacker_commands.repo") as mock_repo:
            mock_repo.get_attacker_by_uuid = AsyncMock(return_value=None)

            with pytest.raises(HTTPException) as exc_info:
                await get_attacker_commands(
                    uuid="nonexistent", limit=50, offset=0, service=None,
                    user={"uuid": "test-user", "role": "viewer"},
                )

        assert exc_info.value.status_code == 404


# ─── GET /attackers/{uuid}/artifacts ─────────────────────────────────────────

class TestGetAttackerArtifacts:
    @pytest.mark.asyncio
    async def test_returns_artifacts(self):
        from decnet.web.router.attackers.api_get_attacker_artifacts import get_attacker_artifacts

        sample = _sample_attacker()
        rows = [
            {
                "id": 1,
                "timestamp": "2026-04-18T02:22:56+00:00",
                "decky": "decky-01",
                "service": "ssh",
                "event_type": "file_captured",
                "attacker_ip": "1.2.3.4",
                "raw_line": "",
                "msg": "",
                "fields": json.dumps({
                    "stored_as": "2026-04-18T02:22:56Z_abc123def456_drop.bin",
                    "sha256": "deadbeef" * 8,
                    "size": "4096",
                    "orig_path": "/root/drop.bin",
                }),
            },
        ]
        with patch("decnet.web.router.attackers.api_get_attacker_artifacts.repo") as mock_repo:
            mock_repo.get_attacker_by_uuid = AsyncMock(return_value=sample)
            mock_repo.get_attacker_artifacts = AsyncMock(return_value=rows)

            result = await get_attacker_artifacts(
                uuid="att-uuid-1",
                user={"uuid": "test-user", "role": "viewer"},
            )

        assert result["total"] == 1
        assert result["data"][0]["decky"] == "decky-01"
        mock_repo.get_attacker_artifacts.assert_awaited_once_with("att-uuid-1")

    @pytest.mark.asyncio
    async def test_404_on_unknown_uuid(self):
        from decnet.web.router.attackers.api_get_attacker_artifacts import get_attacker_artifacts

        with patch("decnet.web.router.attackers.api_get_attacker_artifacts.repo") as mock_repo:
            mock_repo.get_attacker_by_uuid = AsyncMock(return_value=None)

            with pytest.raises(HTTPException) as exc_info:
                await get_attacker_artifacts(
                    uuid="nonexistent",
                    user={"uuid": "test-user", "role": "viewer"},
                )

        assert exc_info.value.status_code == 404


# ─── Auth enforcement ────────────────────────────────────────────────────────

class TestAttackersAuth:
    @pytest.mark.asyncio
    async def test_list_requires_auth(self):
        """get_current_user dependency raises 401 when called without valid token."""
        from decnet.web.dependencies import get_current_user

        req = MagicMock()
        req.headers = {}

        with pytest.raises(HTTPException) as exc_info:
            await get_current_user(req)
        assert exc_info.value.status_code == 401

    @pytest.mark.asyncio
    async def test_detail_requires_auth(self):
        from decnet.web.dependencies import get_current_user

        req = MagicMock()
        req.headers = {"Authorization": "Bearer bad-token"}

        with pytest.raises(HTTPException) as exc_info:
            await get_current_user(req)
        assert exc_info.value.status_code == 401