"""list_vms / vm_info status reporting."""

from fastmcp import Client

from conftest import FakeQMPClient, result_data, write_registry
from mcqemu.server import mcp
from test_lifecycle import seeded_record


async def test_list_vms_stopped(dirs, all_pids_dead):
    write_registry(dirs, seeded_record(dirs, "vm1"))
    async with Client(mcp) as client:
        result = result_data(await client.call_tool("list_vms", {}))
    assert result["vms"][0]["status"] == "stopped"
    assert result["registry_warnings"] == []


async def test_list_vms_running(dirs, fake_qmp, all_pids_alive):
    FakeQMPClient.responses["query-status"] = {"status": "running"}
    write_registry(dirs, seeded_record(dirs, "vm1"))
    async with Client(mcp) as client:
        result = result_data(await client.call_tool("list_vms", {}))
    assert result["vms"][0]["status"] == "running"


async def test_list_vms_unreachable_when_qmp_fails(dirs, fake_qmp, all_pids_alive):
    FakeQMPClient.connect_error = OSError("connection refused")
    write_registry(dirs, seeded_record(dirs, "vm1"))
    async with Client(mcp) as client:
        result = result_data(await client.call_tool("list_vms", {}))
    assert result["vms"][0]["status"] == "unreachable"


async def test_vm_info_running_includes_block_devices(dirs, fake_qmp, all_pids_alive):
    FakeQMPClient.responses["query-status"] = {"status": "running"}
    FakeQMPClient.responses["query-cpus-fast"] = [{"cpu-index": 0}, {"cpu-index": 1}]
    FakeQMPClient.responses["query-block"] = [
        {
            "device": "virtio0",
            "inserted": {"file": "/vms/a.qcow2", "drv": "qcow2", "ro": False},
        },
        {"device": "empty-cd"},
    ]
    write_registry(dirs, seeded_record(dirs, "vm1"))
    async with Client(mcp) as client:
        info = result_data(await client.call_tool("vm_info", {"name": "vm1"}))
    assert info["status"] == "running"
    assert info["vcpus"] == 2
    assert info["block_devices"] == [
        {"device": "virtio0", "file": "/vms/a.qcow2", "format": "qcow2", "read_only": False}
    ]


async def test_vm_info_stopped_skips_qmp(dirs, all_pids_dead):
    write_registry(dirs, seeded_record(dirs, "vm1"))
    async with Client(mcp) as client:
        info = result_data(await client.call_tool("vm_info", {"name": "vm1"}))
    assert info["status"] == "stopped"
    assert "vcpus" not in info