rag-rat 0.12.0

CLI and MCP entrypoint for indexing repositories into local source, graph, history, and memory evidence.
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//! Repo-memory commands, split out of the `commands` god-module: `memory` (doctor / rebind / list
//! / show) with its `*_bind_target` selector helpers, and `dream` (the deterministic
//! memory-maintenance worklist pass).
use rag_rat_core::{Config, OutputFormat};

use crate::cli::{DreamArgs, MemoryArgs, MemoryCommand};
use crate::commands::output_format;
use crate::open_index;
use crate::render::print_output;

/// Dream-mode worklist (#122): run the deterministic memory-maintenance pass (coverage gaps +
/// stale references), sync it into `dream_findings`, and render the open worklist. Writes ONLY to
/// `dream_findings` — never mutates a memory.
pub(crate) fn dream(config: &Config, args: &DreamArgs) -> anyhow::Result<()> {
    // `dream` WRITES dream_findings — serialize with the watcher/index like every other write
    // command (index/maintenance/oracle); WriteLock is reentrant so the open-time migrate is safe.
    let _lock = rag_rat_core::locks::WriteLock::acquire_blocking(&config.database)?;
    let db = open_index(config)?;
    let now_ms = std::time::SystemTime::now()
        .duration_since(std::time::UNIX_EPOCH)
        .map(|d| d.as_millis() as i64)
        .unwrap_or(0);
    let report = db.dream_run(rag_rat_core::dream::DreamOptions {
        now_ms,
        limit: args.limit.unwrap_or(20) as usize,
    })?;
    print_output(&report)
}

// Each `memory rebind` target sets one anchor field and defaults the rest, so the call sites
// below state only what differs.
fn symbol_bind_target(
    hit: &rag_rat_core::query::symbol::SymbolHit,
) -> rag_rat_core::query::memory::RepoMemoryBindTarget {
    rag_rat_core::query::memory::RepoMemoryBindTarget {
        symbol_id: Some(hit.symbol_id),
        logical_symbol_id: hit.logical_symbol_id,
        ..Default::default()
    }
}

fn path_bind_target(path: String) -> rag_rat_core::query::memory::RepoMemoryBindTarget {
    rag_rat_core::query::memory::RepoMemoryBindTarget { path: Some(path), ..Default::default() }
}

fn dir_bind_target(dir: String) -> rag_rat_core::query::memory::RepoMemoryBindTarget {
    rag_rat_core::query::memory::RepoMemoryBindTarget { dir: Some(dir), ..Default::default() }
}

fn chunk_bind_target(chunk_id: i64) -> rag_rat_core::query::memory::RepoMemoryBindTarget {
    rag_rat_core::query::memory::RepoMemoryBindTarget {
        chunk_id: Some(chunk_id),
        ..Default::default()
    }
}

pub(crate) fn memory(config: &Config, args: &MemoryArgs) -> anyhow::Result<()> {
    match &args.command {
        MemoryCommand::Doctor => {
            let db = open_index(config)?;
            let entries = db.memory_doctor()?;
            // Human-readable rebind suggestions by default; the global `--json` emits the
            // structured doctor entries instead.
            if output_format() == OutputFormat::Json {
                print_output(&entries)?;
                let any_gone = entries.iter().any(|e| e.anchor_status == "gone");
                if any_gone {
                    anyhow::bail!("one or more memories have gone anchors");
                }
                return Ok(());
            }
            if entries.is_empty() {
                eprintln!("All active memory anchors are current.");
                return Ok(());
            }
            let mut any_gone = false;
            for entry in &entries {
                eprintln!("[{}] {} ({})", entry.anchor_status, entry.title, entry.memory_id);
                eprintln!("  binding: {} {}", entry.binding_kind, entry.binding_id);
                if entry.candidates.is_empty() {
                    if entry.anchor_status == "gone" {
                        eprintln!(
                            "  -> code appears deleted; rag-rat memory mark-obsolete {}",
                            entry.memory_id
                        );
                    }
                } else {
                    for candidate in &entry.candidates {
                        // Suggest --symbol-path (exact qualified-name match) rather than --symbol
                        // (substring): a fully-qualified candidate fed to --symbol would also hit
                        // longer siblings. Exact match plus cfg-group collapse makes this runnable.
                        eprintln!(
                            "  rag-rat memory rebind {} --symbol-path {}",
                            entry.memory_id, candidate
                        );
                    }
                }
                if entry.anchor_status == "gone" {
                    any_gone = true;
                }
            }
            if any_gone {
                anyhow::bail!("one or more memories have gone anchors");
            }
            Ok(())
        },
        MemoryCommand::Rebind { memory_id, symbol, symbol_path, symbol_id, path, chunk, dir } => {
            let db = open_index(config)?;
            let bind = if symbol.is_some() || symbol_path.is_some() || symbol_id.is_some() {
                let selector = rag_rat_core::query::symbol::SymbolSelector {
                    logical_symbol_id: None,
                    symbol_id: *symbol_id,
                    symbol_path: symbol_path.clone(),
                    symbol: symbol.clone(),
                    language: None,
                    allow_ambiguous: false,
                    limit: 10,
                };
                let label = symbol
                    .as_deref()
                    .or(symbol_path.as_deref())
                    .map(str::to_string)
                    .unwrap_or_else(|| format!("#{}", symbol_id.unwrap_or_default()));
                match db.select_symbol_for_bind(&selector)? {
                    Ok(Some(hit)) => symbol_bind_target(&hit),
                    Ok(None) => anyhow::bail!("symbol `{label}` not found"),
                    Err(disambiguation) => anyhow::bail!(
                        "symbol `{label}` is ambiguous — disambiguate with one of:\n{}",
                        disambiguation
                            .candidates
                            .iter()
                            .map(|c| format!(
                                "  --symbol-id {}   ({} in {})",
                                c.symbol_id, c.qualified_name, c.path
                            ))
                            .collect::<Vec<_>>()
                            .join("\n")
                    ),
                }
            } else if let Some(path) = path {
                path_bind_target(path.clone())
            } else if let Some(chunk_id) = chunk {
                chunk_bind_target(*chunk_id)
            } else if let Some(dir) = dir {
                dir_bind_target(dir.clone())
            } else {
                anyhow::bail!(
                    "memory rebind needs one of --symbol <name>, --symbol-path <path::name>, \
                     --symbol-id <id>, --path <path>, --chunk <id>, or --dir <dir>"
                );
            };
            print_output(&db.memory_rebind(memory_id, bind)?)
        },
        MemoryCommand::List { kind } => {
            let db = open_index(config)?;
            let summaries = db.memory_list(kind.as_deref())?;
            // The global `--json` emits the structured list (a caller parsing stdout gets JSON, not
            // the human lines below).
            if output_format() == OutputFormat::Json {
                return print_output(&summaries);
            }
            if summaries.is_empty() {
                eprintln!("No memories found.");
                return Ok(());
            }
            for s in &summaries {
                println!(
                    "{}  [{}/{}]  {}  ({}:{})",
                    s.memory_id, s.kind, s.status, s.title, s.binding_kind, s.binding_id
                );
            }
            Ok(())
        },
        MemoryCommand::Show { memory_id } => {
            let db = open_index(config)?;
            let Some(memory) = db.memory_get(memory_id)? else {
                anyhow::bail!("memory `{memory_id}` not found");
            };
            // The global `--json` emits the structured memory instead of the human view below.
            if output_format() == OutputFormat::Json {
                return print_output(&memory);
            }
            println!("Title:      {}", memory.title);
            println!("Kind:       {} / {} / {}", memory.kind, memory.status, memory.confidence);
            println!();
            println!("{}", memory.body);
            if !memory.bindings.is_empty() {
                println!();
                println!("Bindings:");
                for b in &memory.bindings {
                    println!("  {} {} [{}]", b.binding_kind, b.binding_id, b.anchor_status);
                }
            }
            Ok(())
        },
    }
}