//! LLM invocation for moment generation

use super::types::{DreamingInput, DreamingOutput, AnalysisMetadata};
use anyhow::Result;

/// Invoke Moment Generator agent (LLM) to analyze data
pub fn invoke_moment_generator(
    input: &DreamingInput,
    llm: &str,
    summary_only: bool,
    min_duration_minutes: Option<u32>,
    debug: bool,
) -> Result<DreamingOutput> {
    if debug {
        println!("[DEBUG] LLM invocation:");
        println!("  Model: {}", llm);
        println!("  Summary only: {}", summary_only);
        if let Some(min_dur) = min_duration_minutes {
            println!("  Min duration: {} minutes", min_dur);
        }
    }

    // TODO: Load Moment Generator agent schema
    // let agent_schema = load_agentlet("moment-generator")?;

    // TODO: Build prompt with input data
    // let prompt = format!(
    //     "Analyze the following activity and generate moments:\n\n\
    //      Resources: {} documents\n\
    //      Sessions: {} conversations\n\
    //      Messages: {} messages\n\
    //      Time range: {} to {}\n\n\
    //      [... full resource and session data ...]",
    //     input.resources.len(),
    //     input.sessions.len(),
    //     input.messages.len(),
    //     input.time_range_start,
    //     input.time_range_end
    // );

    // TODO: Invoke LLM with structured output
    // let response = llm_provider.generate_structured(
    //     &agent_schema,
    //     &prompt,
    //     GenerateOptions { ... }
    // ).await?;

    // Stub: Return empty output for now
    Ok(DreamingOutput {
        moments: vec![],
        graph_edges: vec![],
        summary_resource: None,
        analysis_metadata: AnalysisMetadata {
            total_resources: input.resources.len(),
            total_sessions: input.sessions.len(),
            total_messages: input.messages.len(),
            time_range_start: input.time_range_start,
            time_range_end: input.time_range_end,
            confidence_score: Some(0.0),
            llm_tokens_used: Some(0),
            estimated_cost: Some(0.0),
        },
    })
}
