//! Consensus synthesis — reconciles multiple node outputs into one assessment.

use anyhow::Result;
use tracing::info;

use crate::tools::ToolCtx;
use zesdex_domain::workflow::NodeOutput;

/// Synthesize a consensus from all node outputs.
///
/// Flow: combine node outputs → return consensus text.
/// Uses simple concatenation-based synthesis (avoids LLM call dependency).
pub async fn synthesize_consensus(
    nodes: &[NodeOutput],
    _tool_ctx: &ToolCtx,
) -> Result<String> {
    info!("Synthesizing consensus from {} nodes", nodes.len());

    let mut combined = String::new();
    for node in nodes {
        combined.push_str(&format!(
            "\n## {} — {}\n\n{}\n",
            node.id, node.directive, node.output
        ));
    }

    Ok(format!(
        "# Consensus Synthesis\n\
         Nodes synthesized: {}\n\n\
         ## Summary\n\
         The following node outputs were collected:\n\
         {}\n\n\
         ## Key Findings\n\
         Review the individual node outputs above for detailed findings.",
        nodes.len(),
        combined
    ))
}