import math

import allure
import pytest
from frostfs_testlib import reporter
from frostfs_testlib.steps.cli.container import create_container
from frostfs_testlib.steps.cli.object import delete_object, put_object_to_random_node
from frostfs_testlib.steps.metrics import check_metrics_counter
from frostfs_testlib.steps.storage_policy import get_nodes_with_object
from frostfs_testlib.storage.cluster import Cluster
from frostfs_testlib.storage.dataclasses.object_size import ObjectSize
from frostfs_testlib.storage.dataclasses.wallet import WalletInfo
from frostfs_testlib.testing.cluster_test_base import ClusterTestBase
from frostfs_testlib.utils.file_utils import generate_file


@pytest.mark.container
class TestContainerMetrics(ClusterTestBase):
    @allure.title("Container metrics (obj_size={object_size})")
    def test_container_metrics(
        self, object_size: ObjectSize, max_object_size: int, default_wallet: WalletInfo, cluster: Cluster
    ):
        file_path = generate_file(object_size.value)
        placement_policy = "REP 2 IN X CBF 2 SELECT 2 FROM * AS X"
        copies = 2
        object_chunks = 0
        head_object = 1
        link_object = 0
        if object_size.value > max_object_size:
            object_chunks = math.ceil(object_size.value / max_object_size)
            link_object = 1

        with reporter.step(f"Create container with policy {placement_policy}"):
            cid = create_container(default_wallet, self.shell, cluster.default_rpc_endpoint, placement_policy)

        with reporter.step("Put object to random node"):
            oid = put_object_to_random_node(
                wallet=default_wallet,
                path=file_path,
                cid=cid,
                shell=self.shell,
                cluster=cluster,
            )

        with reporter.step("Get object nodes"):
            object_storage_nodes = get_nodes_with_object(cid, oid, self.shell, cluster.storage_nodes)
            object_nodes = [
                cluster_node
                for cluster_node in cluster.cluster_nodes
                if cluster_node.storage_node in object_storage_nodes
            ]

        with reporter.step("Check metric appears in node where the object is located"):
            count_metrics = (object_chunks + head_object + link_object) * copies
            check_metrics_counter(
                object_nodes, counter_exp=count_metrics, command="container_objects_total", cid=cid, type="phy"
            )
            check_metrics_counter(
                object_nodes, counter_exp=count_metrics, command="container_objects_total", cid=cid, type="logic"
            )
            check_metrics_counter(
                object_nodes, counter_exp=copies, command="container_objects_total", cid=cid, type="user"
            )

        with reporter.step("Delete file, wait until gc remove object"):
            delete_object(default_wallet, cid, oid, self.shell, cluster.default_rpc_endpoint)

        with reporter.step(f"Check container metrics 'the counter should equal {len(object_nodes)}' in object nodes"):
            check_metrics_counter(
                object_nodes, counter_exp=len(object_nodes), command="container_objects_total", cid=cid, type="phy"
            )
            check_metrics_counter(
                object_nodes, counter_exp=len(object_nodes), command="container_objects_total", cid=cid, type="logic"
            )
            check_metrics_counter(object_nodes, counter_exp=0, command="container_objects_total", cid=cid, type="user")

        with reporter.step("Check metrics(Phy, Logic, User) in each nodes"):
            # Phy and Logic metrics are 4, because in rule 'CBF 2 SELECT 2 FROM', cbf2*sel2=4
            check_metrics_counter(
                cluster.cluster_nodes, counter_exp=4, command="container_objects_total", cid=cid, type="phy"
            )
            check_metrics_counter(
                cluster.cluster_nodes, counter_exp=4, command="container_objects_total", cid=cid, type="logic"
            )
            check_metrics_counter(
                cluster.cluster_nodes, counter_exp=0, command="container_objects_total", cid=cid, type="user"
            )