"""Integration tests for channels audit_router endpoints."""

from __future__ import annotations

import httpx
import pytest

from .conftest import BASE_URL, NON_EXISTENT_LOG_ID, NON_EXISTENT_TASK_ID

pytestmark = [pytest.mark.asyncio, pytest.mark.integration]

AUDIT_URL = f"{BASE_URL}/audit"


# =============================================================================
# === Auth three-tier for GET /audit/logs ===
# =============================================================================


async def test_query_audit_logs_requires_auth(test_client: httpx.AsyncClient):
    # Act
    response = await test_client.get(f"{AUDIT_URL}/logs")
    # Assert
    assert response.status_code == 401, response.text


async def test_query_audit_logs_requires_admin(
    test_client: httpx.AsyncClient, standard_user
):
    # Act
    response = await test_client.get(
        f"{AUDIT_URL}/logs", headers=standard_user["headers"]
    )
    # Assert
    assert response.status_code == 403, response.text


async def test_admin_can_query_audit_logs(
    test_client: httpx.AsyncClient, admin_headers
):
    # Act
    response = await test_client.get(f"{AUDIT_URL}/logs", headers=admin_headers)
    # Assert
    assert response.status_code == 200, response.text
    payload = response.json()
    assert payload["success"] is True
    assert "data" in payload


# =============================================================================
# === Pagination validation for GET /audit/logs ===
# =============================================================================


async def test_query_audit_logs_rejects_limit_zero(
    test_client: httpx.AsyncClient, admin_headers
):
    # Act — limit=0 violates ge=1
    response = await test_client.get(
        f"{AUDIT_URL}/logs", params={"limit": 0}, headers=admin_headers
    )
    # Assert
    assert response.status_code == 422, response.text


async def test_query_audit_logs_rejects_limit_over_max(
    test_client: httpx.AsyncClient, admin_headers
):
    # Act — limit=501 violates le=500
    response = await test_client.get(
        f"{AUDIT_URL}/logs", params={"limit": 501}, headers=admin_headers
    )
    # Assert
    assert response.status_code == 422, response.text


async def test_query_audit_logs_rejects_negative_offset(
    test_client: httpx.AsyncClient, admin_headers
):
    # Act — offset=-1 violates ge=0
    response = await test_client.get(
        f"{AUDIT_URL}/logs", params={"offset": -1}, headers=admin_headers
    )
    # Assert
    assert response.status_code == 422, response.text


# =============================================================================
# === GET /audit/logs/stats and /audit/operations ===
# =============================================================================


async def test_admin_can_get_audit_log_stats(
    test_client: httpx.AsyncClient, admin_headers
):
    # Act
    response = await test_client.get(f"{AUDIT_URL}/logs/stats", headers=admin_headers)
    # Assert
    assert response.status_code == 200, response.text
    payload = response.json()
    assert payload["success"] is True
    assert "data" in payload


async def test_admin_can_list_audit_operations(
    test_client: httpx.AsyncClient, admin_headers
):
    # Act
    response = await test_client.get(f"{AUDIT_URL}/operations", headers=admin_headers)
    # Assert
    assert response.status_code == 200, response.text
    payload = response.json()
    assert payload["success"] is True
    assert "data" in payload


# =============================================================================
# === POST /audit/export (create export task) ===
# =============================================================================


async def test_admin_can_create_audit_export_with_empty_body(
    test_client: httpx.AsyncClient, admin_headers
):
    # Arrange — all fields optional, empty dict is valid
    body: dict = {}
    # Act
    response = await test_client.post(
        f"{AUDIT_URL}/export", json=body, headers=admin_headers
    )
    # Assert
    assert response.status_code == 200, response.text
    payload = response.json()
    assert payload["success"] is True
    assert "data" in payload


# =============================================================================
# === GET /audit/export (list export tasks) ===
# =============================================================================


async def test_admin_can_list_export_tasks(
    test_client: httpx.AsyncClient, admin_headers
):
    # Act
    response = await test_client.get(f"{AUDIT_URL}/export", headers=admin_headers)
    # Assert
    assert response.status_code == 200, response.text
    payload = response.json()
    assert payload["success"] is True
    assert "data" in payload


# =============================================================================
# === GET /audit/retention-policy ===
# =============================================================================


async def test_admin_can_get_retention_policy(
    test_client: httpx.AsyncClient, admin_headers
):
    # Act
    response = await test_client.get(
        f"{AUDIT_URL}/retention-policy", headers=admin_headers
    )
    # Assert
    assert response.status_code == 200, response.text
    payload = response.json()
    assert payload["success"] is True
    assert "data" in payload


# =============================================================================
# === PUT /audit/retention-policy (superadmin only) ===
# =============================================================================


async def test_update_retention_policy_requires_auth(test_client: httpx.AsyncClient):
    # Arrange
    body = {"default_retention_days": 90}
    # Act
    response = await test_client.put(f"{AUDIT_URL}/retention-policy", json=body)
    # Assert
    assert response.status_code == 401, response.text


async def test_update_retention_policy_rejects_standard_user(
    test_client: httpx.AsyncClient, standard_user
):
    # Arrange
    body = {"default_retention_days": 90}
    # Act
    response = await test_client.put(
        f"{AUDIT_URL}/retention-policy",
        json=body,
        headers=standard_user["headers"],
    )
    # Assert
    assert response.status_code == 403, response.text


async def test_update_retention_policy_requires_superadmin(
    test_client: httpx.AsyncClient, admin_headers
):
    # Arrange — admin role (not superadmin) should be rejected
    body = {"default_retention_days": 90}
    # Act
    response = await test_client.put(
        f"{AUDIT_URL}/retention-policy", json=body, headers=admin_headers
    )
    # Assert
    assert response.status_code == 403, response.text


async def test_update_retention_policy_rejects_archive_before_ge_retention(
    test_client: httpx.AsyncClient, admin_headers
):
    # Arrange — auto_archive_before_days >= default_retention_days violates
    # dispatch-stage rule (RULE_VIOLATION -> 422)
    body = {
        "default_retention_days": 10,
        "auto_archive_before_days": 10,
    }
    # Act
    response = await test_client.put(
        f"{AUDIT_URL}/retention-policy", json=body, headers=admin_headers
    )
    # Assert
    assert response.status_code == 422, response.text


# =============================================================================
# === 404 paths for non-existent resources ===
# =============================================================================


async def test_get_audit_log_returns_404_for_nonexistent(
    test_client: httpx.AsyncClient, admin_headers
):
    # Act
    response = await test_client.get(
        f"{AUDIT_URL}/logs/{NON_EXISTENT_LOG_ID}", headers=admin_headers
    )
    # Assert
    assert response.status_code == 404, response.text


async def test_get_audit_export_task_returns_404_for_nonexistent(
    test_client: httpx.AsyncClient, admin_headers
):
    # Act
    response = await test_client.get(
        f"{AUDIT_URL}/export/{NON_EXISTENT_TASK_ID}", headers=admin_headers
    )
    # Assert
    assert response.status_code == 404, response.text


async def test_cancel_audit_export_task_returns_404_for_nonexistent(
    test_client: httpx.AsyncClient, admin_headers
):
    # Act
    response = await test_client.delete(
        f"{AUDIT_URL}/export/{NON_EXISTENT_TASK_ID}", headers=admin_headers
    )
    # Assert
    assert response.status_code == 404, response.text


async def test_download_audit_export_returns_404_for_nonexistent(
    test_client: httpx.AsyncClient, admin_headers
):
    # Act
    response = await test_client.get(
        f"{AUDIT_URL}/export/{NON_EXISTENT_TASK_ID}/download",
        headers=admin_headers,
    )
    # Assert
    assert response.status_code == 404, response.text