matc 0.1.3

Matter protocol library (controller side)
Documentation 
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//! Matter TLV encoders and decoders for Power Topology Cluster
//! Cluster ID: 0x009C
//!
//! This file is automatically generated from PowerTopology.xml

#![allow(clippy::too_many_arguments)]

use crate::tlv;
use anyhow;
use serde_json;


// Struct definitions

#[derive(Debug, serde::Serialize)]
pub struct CircuitNode {
    pub node: Option<u64>,
    pub endpoint: Option<u16>,
    pub label: Option<String>,
}

// Attribute decoders

/// Decode AvailableEndpoints attribute (0x0000)
pub fn decode_available_endpoints(inp: &tlv::TlvItemValue) -> anyhow::Result<Vec<u16>> {
    let mut res = Vec::new();
    if let tlv::TlvItemValue::List(v) = inp {
        for item in v {
            if let tlv::TlvItemValue::Int(i) = &item.value {
                res.push(*i as u16);
            }
        }
    }
    Ok(res)
}

/// Decode ActiveEndpoints attribute (0x0001)
pub fn decode_active_endpoints(inp: &tlv::TlvItemValue) -> anyhow::Result<Vec<u16>> {
    let mut res = Vec::new();
    if let tlv::TlvItemValue::List(v) = inp {
        for item in v {
            if let tlv::TlvItemValue::Int(i) = &item.value {
                res.push(*i as u16);
            }
        }
    }
    Ok(res)
}


// JSON dispatcher function

/// Decode attribute value and return as JSON string
///
/// # Parameters
/// * `cluster_id` - The cluster identifier
/// * `attribute_id` - The attribute identifier
/// * `tlv_value` - The TLV value to decode
///
/// # Returns
/// JSON string representation of the decoded value or error
pub fn decode_attribute_json(cluster_id: u32, attribute_id: u32, tlv_value: &crate::tlv::TlvItemValue) -> String {
    // Verify this is the correct cluster
    if cluster_id != 0x009C {
        return format!("{{\"error\": \"Invalid cluster ID. Expected 0x009C, got {}\"}}", cluster_id);
    }

    match attribute_id {
        0x0000 => {
            match decode_available_endpoints(tlv_value) {
                Ok(value) => serde_json::to_string(&value).unwrap_or_else(|_| "null".to_string()),
                Err(e) => format!("{{\"error\": \"{}\"}}", e),
            }
        }
        0x0001 => {
            match decode_active_endpoints(tlv_value) {
                Ok(value) => serde_json::to_string(&value).unwrap_or_else(|_| "null".to_string()),
                Err(e) => format!("{{\"error\": \"{}\"}}", e),
            }
        }
        _ => format!("{{\"error\": \"Unknown attribute ID: {}\"}}", attribute_id),
    }
}

/// Get list of all attributes supported by this cluster
///
/// # Returns
/// Vector of tuples containing (attribute_id, attribute_name)
pub fn get_attribute_list() -> Vec<(u32, &'static str)> {
    vec![
        (0x0000, "AvailableEndpoints"),
        (0x0001, "ActiveEndpoints"),
    ]
}

// Typed facade (invokes + reads)

/// Read `AvailableEndpoints` attribute from cluster `Power Topology`.
pub async fn read_available_endpoints(conn: &crate::controller::Connection, endpoint: u16) -> anyhow::Result<Vec<u16>> {
    let tlv = conn.read_request2(endpoint, crate::clusters::defs::CLUSTER_ID_POWER_TOPOLOGY, crate::clusters::defs::CLUSTER_POWER_TOPOLOGY_ATTR_ID_AVAILABLEENDPOINTS).await?;
    decode_available_endpoints(&tlv)
}

/// Read `ActiveEndpoints` attribute from cluster `Power Topology`.
pub async fn read_active_endpoints(conn: &crate::controller::Connection, endpoint: u16) -> anyhow::Result<Vec<u16>> {
    let tlv = conn.read_request2(endpoint, crate::clusters::defs::CLUSTER_ID_POWER_TOPOLOGY, crate::clusters::defs::CLUSTER_POWER_TOPOLOGY_ATTR_ID_ACTIVEENDPOINTS).await?;
    decode_active_endpoints(&tlv)
}