// Copyright 2023 TiKV Project Authors. Licensed under Apache-2.0.

use lazy_static::lazy_static;
use prometheus::*;

lazy_static! {
    pub static ref NATIVE_BR_HISTOGRAM_VEC: HistogramVec = register_histogram_vec!(
        "tikv_worker_native_br_duration_seconds",
        "Bucketed histogram of native br duration",
        &["type"],
        // Start from 10ms.
        exponential_buckets(0.01, 2.0, 16).unwrap()
    )
    .unwrap();

    pub static ref NATIVE_BR_COUNTER_VEC: IntCounterVec = register_int_counter_vec!(
        "tikv_worker_native_br_counter",
        "The counter of native br operations",
        &["type"],
    )
    .unwrap();

    pub static ref REMOTE_COPR_DAG_REQ_COUNTER: IntCounter = register_int_counter!(
        "tikv_worker_remote_cop_dag_request_counter",
        "Total count of remote copr requests",
    )
    .unwrap();

    pub static ref REMOTE_COPR_DAG_RESP_SIZE: IntCounter = register_int_counter!(
        "tikv_worker_remote_cop_dag_response_size",
        "Total size of remote copr responses",
    )
    .unwrap();

    pub static ref REMOTE_ANALYZE_REQ_COUNTER: IntCounter = register_int_counter!(
        "tikv_worker_remote_analyze_request_counter",
        "Total count of remote analyze requests",
    )
    .unwrap();

    pub static ref REMOTE_ANALYZE_RESP_SIZE: IntCounter = register_int_counter!(
        "tikv_worker_remote_analyze_response_size",
        "Total size of remote analyze responses",
    )
    .unwrap();

    pub static ref REMOTE_CHECKSUM_REQ_COUNTER: IntCounter = register_int_counter!(
        "tikv_worker_remote_checksum_request_counter",
        "Total count of remote checksum requests",
    )
    .unwrap();

    pub static ref REMOTE_CHECKSUM_RESP_SIZE: IntCounter = register_int_counter!(
        "tikv_worker_remote_checksum_response_size",
        "Total size of remote checksum responses",
    )
    .unwrap();

    pub static ref REMOTE_COPR_SNAPSHOT_HISTOGRAM: Histogram = register_histogram!(
        "tikv_worker_remote_cop_snapshot_duration_seconds",
        "Bucketed histogram of remote copr snapshot duration",
        exponential_buckets(0.0005, 2.0, 20).unwrap()
    ).unwrap();

    pub static ref REMOTE_COPR_REQ_HANDLE_HISTOGRAM: Histogram = register_histogram!(
        "tikv_worker_remote_cop_request_duration_seconds",
        "Bucketed histogram of remote copr request duration",
        exponential_buckets(0.0005, 2.0, 20).unwrap()
    ).unwrap();

    pub static ref REMOTE_COMPACT_REQ_HANDLE_HISTOGRAM: Histogram = register_histogram!(
        "tikv_worker_remote_compact_request_duration_seconds",
        "Bucketed histogram of remote compaction request duration",
        exponential_buckets(0.0005, 2.0, 20).unwrap()
    ).unwrap();
}