import pytest
from conftest import auth_header


class TestAlarmRules:
    async def test_list_alarm_rules(self, client, admin_user, admin_token, seed_alarm_rule):
        resp = await client.get("/api/v1/alarms/rules", headers=auth_header(admin_token))
        assert resp.status_code == 200
        body = resp.json()
        assert isinstance(body, list)
        assert len(body) >= 1

    async def test_create_alarm_rule(self, client, admin_user, admin_token):
        resp = await client.post(
            "/api/v1/alarms/rules",
            json={
                "name": "新告警规则", "data_type": "power", "condition": "gt",
                "threshold": 100.0, "severity": "critical",
            },
            headers=auth_header(admin_token),
        )
        assert resp.status_code == 200
        body = resp.json()
        assert body["name"] == "新告警规则"
        assert body["severity"] == "critical"

    async def test_create_alarm_rule_as_visitor_forbidden(self, client, normal_user, user_token):
        resp = await client.post(
            "/api/v1/alarms/rules",
            json={"name": "Test", "data_type": "power", "condition": "gt", "threshold": 50.0},
            headers=auth_header(user_token),
        )
        assert resp.status_code == 403

    async def test_update_alarm_rule(self, client, admin_user, admin_token, seed_alarm_rule):
        resp = await client.put(
            f"/api/v1/alarms/rules/{seed_alarm_rule.id}",
            json={
                "name": "更新后规则", "data_type": "temperature", "condition": "gt",
                "threshold": 90.0, "severity": "critical",
            },
            headers=auth_header(admin_token),
        )
        assert resp.status_code == 200
        assert resp.json()["name"] == "更新后规则"

    async def test_update_nonexistent_rule(self, client, admin_user, admin_token):
        resp = await client.put(
            "/api/v1/alarms/rules/99999",
            json={"name": "Ghost", "data_type": "power", "condition": "gt"},
            headers=auth_header(admin_token),
        )
        assert resp.status_code == 404

    async def test_delete_alarm_rule(self, client, admin_user, admin_token, seed_alarm_rule):
        resp = await client.delete(
            f"/api/v1/alarms/rules/{seed_alarm_rule.id}",
            headers=auth_header(admin_token),
        )
        assert resp.status_code == 200

    async def test_delete_nonexistent_rule(self, client, admin_user, admin_token):
        resp = await client.delete("/api/v1/alarms/rules/99999", headers=auth_header(admin_token))
        assert resp.status_code == 404


class TestAlarmEvents:
    async def test_list_alarm_events(self, client, admin_user, admin_token, seed_alarm_event):
        resp = await client.get("/api/v1/alarms/events", headers=auth_header(admin_token))
        assert resp.status_code == 200
        body = resp.json()
        assert "total" in body
        assert "items" in body
        assert body["total"] >= 1

    async def test_list_alarm_events_filter_status(self, client, admin_user, admin_token, seed_alarm_event):
        resp = await client.get(
            "/api/v1/alarms/events",
            params={"status": "active"},
            headers=auth_header(admin_token),
        )
        assert resp.status_code == 200
        for item in resp.json()["items"]:
            assert item["status"] == "active"

    async def test_acknowledge_alarm(self, client, admin_user, admin_token, seed_alarm_event):
        resp = await client.post(
            f"/api/v1/alarms/events/{seed_alarm_event.id}/acknowledge",
            headers=auth_header(admin_token),
        )
        assert resp.status_code == 200

    async def test_acknowledge_nonexistent_alarm(self, client, admin_user, admin_token):
        resp = await client.post(
            "/api/v1/alarms/events/99999/acknowledge",
            headers=auth_header(admin_token),
        )
        assert resp.status_code == 404

    async def test_resolve_alarm(self, client, admin_user, admin_token, seed_alarm_event):
        resp = await client.post(
            f"/api/v1/alarms/events/{seed_alarm_event.id}/resolve",
            params={"note": "已修复"},
            headers=auth_header(admin_token),
        )
        assert resp.status_code == 200

    async def test_resolve_nonexistent_alarm(self, client, admin_user, admin_token):
        resp = await client.post(
            "/api/v1/alarms/events/99999/resolve",
            headers=auth_header(admin_token),
        )
        assert resp.status_code == 404


class TestAlarmStats:
    async def test_get_alarm_stats(self, client, admin_user, admin_token, seed_alarm_event):
        resp = await client.get("/api/v1/alarms/stats", headers=auth_header(admin_token))
        assert resp.status_code == 200
        body = resp.json()
        assert isinstance(body, dict)

    async def test_get_alarm_stats_empty(self, client, admin_user, admin_token):
        resp = await client.get("/api/v1/alarms/stats", headers=auth_header(admin_token))
        assert resp.status_code == 200