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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

use std::collections::HashMap;

use serde::{Deserialize, Serialize};

use crate::protocol::command_custom_header::{CommandCustomHeader, FromMap};

#[derive(Debug, Clone, Deserialize, Serialize, Default)]
#[serde(rename_all = "camelCase")]
pub struct DeleteTopicFromNamesrvRequestHeader {
    pub topic: String,
    pub cluster_name: Option<String>,
}

impl DeleteTopicFromNamesrvRequestHeader {
    const TOPIC: &'static str = "topic";
    const CLUSTER_NAME: &'static str = "clusterName";
    pub fn new(topic: impl Into<String>, cluster_name: Option<impl Into<String>>) -> Self {
        Self {
            topic: topic.into(),
            cluster_name: cluster_name.map(|s| s.into()),
        }
    }
}

impl CommandCustomHeader for DeleteTopicFromNamesrvRequestHeader {
    fn to_map(&self) -> Option<HashMap<String, String>> {
        let mut map = HashMap::from([(Self::TOPIC.to_string(), self.topic.clone())]);
        if let Some(ref cluster_name) = self.cluster_name {
            map.insert(Self::CLUSTER_NAME.to_string(), cluster_name.clone());
        }
        Some(map)
    }
}

impl FromMap for DeleteTopicFromNamesrvRequestHeader {
    type Target = Self;

    fn from(map: &HashMap<String, String>) -> Option<Self::Target> {
        Some(DeleteTopicFromNamesrvRequestHeader {
            topic: map.get(Self::TOPIC).cloned().unwrap_or_default(),
            cluster_name: map.get(Self::CLUSTER_NAME).map(|s| s.into()),
        })
    }
}

#[derive(Debug, Clone, Deserialize, Serialize, Default)]
pub struct RegisterTopicRequestHeader {
    pub topic: String,
}

impl RegisterTopicRequestHeader {
    const TOPIC: &'static str = "topic";
    pub fn new(topic: impl Into<String>) -> Self {
        Self {
            topic: topic.into(),
        }
    }
}

impl CommandCustomHeader for RegisterTopicRequestHeader {
    fn to_map(&self) -> Option<HashMap<String, String>> {
        let map = HashMap::from([(Self::TOPIC.to_string(), self.topic.clone())]);
        Some(map)
    }
}
impl FromMap for RegisterTopicRequestHeader {
    type Target = Self;

    fn from(map: &HashMap<String, String>) -> Option<Self::Target> {
        Some(RegisterTopicRequestHeader {
            topic: map.get(Self::TOPIC).cloned().unwrap_or_default(),
        })
    }
}

#[derive(Debug, Clone, Deserialize, Serialize, Default)]
pub struct GetTopicsByClusterRequestHeader {
    pub cluster: String,
}

impl GetTopicsByClusterRequestHeader {
    const CLUSTER: &'static str = "cluster";
    pub fn new(cluster: impl Into<String>) -> Self {
        Self {
            cluster: cluster.into(),
        }
    }
}

impl CommandCustomHeader for GetTopicsByClusterRequestHeader {
    fn to_map(&self) -> Option<HashMap<String, String>> {
        let map = HashMap::from([(Self::CLUSTER.to_string(), self.cluster.clone())]);
        Some(map)
    }
}

impl FromMap for GetTopicsByClusterRequestHeader {
    type Target = Self;

    fn from(map: &HashMap<String, String>) -> Option<Self::Target> {
        Some(GetTopicsByClusterRequestHeader {
            cluster: map.get(Self::CLUSTER).cloned().unwrap_or_default(),
        })
    }
}