use crate::core::knowledge::ProjectKnowledge;
use crate::core::session::SessionState;
#[allow(clippy::too_many_arguments)]
pub fn handle(
project_root: &str,
action: &str,
category: Option<&str>,
key: Option<&str>,
value: Option<&str>,
query: Option<&str>,
session_id: &str,
pattern_type: Option<&str>,
examples: Option<Vec<String>>,
confidence: Option<f32>,
) -> String {
match action {
"remember" => handle_remember(project_root, category, key, value, session_id, confidence),
"recall" => handle_recall(project_root, category, query),
"pattern" => handle_pattern(project_root, pattern_type, value, examples, session_id),
"status" => handle_status(project_root),
"remove" => handle_remove(project_root, category, key),
"export" => handle_export(project_root),
"consolidate" => handle_consolidate(project_root),
"timeline" => handle_timeline(project_root, category),
"rooms" => handle_rooms(project_root),
"search" => handle_search(query),
"wakeup" => handle_wakeup(project_root),
_ => format!(
"Unknown action: {action}. Use: remember, recall, pattern, status, remove, export, consolidate, timeline, rooms, search, wakeup"
),
}
}
fn handle_remember(
project_root: &str,
category: Option<&str>,
key: Option<&str>,
value: Option<&str>,
session_id: &str,
confidence: Option<f32>,
) -> String {
let cat = match category {
Some(c) => c,
None => return "Error: category is required for remember".to_string(),
};
let k = match key {
Some(k) => k,
None => return "Error: key is required for remember".to_string(),
};
let v = match value {
Some(v) => v,
None => return "Error: value is required for remember".to_string(),
};
let conf = confidence.unwrap_or(0.8);
let mut knowledge = ProjectKnowledge::load_or_create(project_root);
let contradiction = knowledge.remember(cat, k, v, session_id, conf);
let mut result = format!(
"Remembered [{cat}] {k}: {v} (confidence: {:.0}%)",
conf * 100.0
);
if let Some(c) = contradiction {
result.push_str(&format!("\nâš CONTRADICTION DETECTED: {}", c.resolution));
}
match knowledge.save() {
Ok(()) => result,
Err(e) => format!("{result}\n(save failed: {e})"),
}
}
fn handle_recall(project_root: &str, category: Option<&str>, query: Option<&str>) -> String {
let knowledge = match ProjectKnowledge::load(project_root) {
Some(k) => k,
None => return "No knowledge stored for this project yet.".to_string(),
};
if let Some(cat) = category {
let facts = knowledge.recall_by_category(cat);
if facts.is_empty() {
return format!("No facts in category '{cat}'.");
}
return format_facts(&facts, Some(cat));
}
if let Some(q) = query {
let facts = knowledge.recall(q);
if facts.is_empty() {
return format!("No facts matching '{q}'.");
}
return format_facts(&facts, None);
}
"Error: provide query or category for recall".to_string()
}
fn handle_pattern(
project_root: &str,
pattern_type: Option<&str>,
value: Option<&str>,
examples: Option<Vec<String>>,
session_id: &str,
) -> String {
let pt = match pattern_type {
Some(p) => p,
None => return "Error: pattern_type is required".to_string(),
};
let desc = match value {
Some(v) => v,
None => return "Error: value (description) is required for pattern".to_string(),
};
let exs = examples.unwrap_or_default();
let mut knowledge = ProjectKnowledge::load_or_create(project_root);
knowledge.add_pattern(pt, desc, exs, session_id);
match knowledge.save() {
Ok(()) => format!("Pattern [{pt}] added: {desc}"),
Err(e) => format!("Pattern added but save failed: {e}"),
}
}
fn handle_status(project_root: &str) -> String {
let knowledge = match ProjectKnowledge::load(project_root) {
Some(k) => k,
None => {
return "No knowledge stored for this project yet. Use ctx_knowledge(action=\"remember\") to start.".to_string();
}
};
let current_facts = knowledge.facts.iter().filter(|f| f.is_current()).count();
let archived_facts = knowledge.facts.len() - current_facts;
let mut out = format!(
"Project Knowledge: {} active facts ({} archived), {} patterns, {} history entries\n",
current_facts,
archived_facts,
knowledge.patterns.len(),
knowledge.history.len()
);
out.push_str(&format!(
"Last updated: {}\n",
knowledge.updated_at.format("%Y-%m-%d %H:%M UTC")
));
let rooms = knowledge.list_rooms();
if !rooms.is_empty() {
out.push_str("Rooms: ");
let room_strs: Vec<String> = rooms.iter().map(|(c, n)| format!("{c}({n})")).collect();
out.push_str(&room_strs.join(", "));
out.push('\n');
}
out.push_str(&knowledge.format_summary());
out
}
fn handle_remove(project_root: &str, category: Option<&str>, key: Option<&str>) -> String {
let cat = match category {
Some(c) => c,
None => return "Error: category is required for remove".to_string(),
};
let k = match key {
Some(k) => k,
None => return "Error: key is required for remove".to_string(),
};
let mut knowledge = ProjectKnowledge::load_or_create(project_root);
if knowledge.remove_fact(cat, k) {
match knowledge.save() {
Ok(()) => format!("Removed [{cat}] {k}"),
Err(e) => format!("Removed but save failed: {e}"),
}
} else {
format!("No fact found: [{cat}] {k}")
}
}
fn handle_export(project_root: &str) -> String {
let knowledge = match ProjectKnowledge::load(project_root) {
Some(k) => k,
None => return "No knowledge to export.".to_string(),
};
match serde_json::to_string_pretty(&knowledge) {
Ok(json) => json,
Err(e) => format!("Export failed: {e}"),
}
}
fn handle_consolidate(project_root: &str) -> String {
let session = match SessionState::load_latest() {
Some(s) => s,
None => return "No active session to consolidate.".to_string(),
};
let mut knowledge = ProjectKnowledge::load_or_create(project_root);
let mut consolidated = 0u32;
for finding in &session.findings {
let key_text = if let Some(ref file) = finding.file {
if let Some(line) = finding.line {
format!("{file}:{line}")
} else {
file.clone()
}
} else {
format!("finding-{consolidated}")
};
knowledge.remember("finding", &key_text, &finding.summary, &session.id, 0.7);
consolidated += 1;
}
for decision in &session.decisions {
let key_text = decision
.summary
.chars()
.take(50)
.collect::<String>()
.replace(' ', "-")
.to_lowercase();
knowledge.remember("decision", &key_text, &decision.summary, &session.id, 0.85);
consolidated += 1;
}
let task_desc = session
.task
.as_ref()
.map(|t| t.description.clone())
.unwrap_or_else(|| "(no task)".into());
let summary = format!(
"Session {}: {} — {} findings, {} decisions consolidated",
session.id,
task_desc,
session.findings.len(),
session.decisions.len()
);
knowledge.consolidate(&summary, vec![session.id.clone()]);
match knowledge.save() {
Ok(()) => format!(
"Consolidated {consolidated} items from session {} into project knowledge.\n\
Facts: {}, Patterns: {}, History: {}",
session.id,
knowledge.facts.len(),
knowledge.patterns.len(),
knowledge.history.len()
),
Err(e) => format!("Consolidation done but save failed: {e}"),
}
}
fn handle_timeline(project_root: &str, category: Option<&str>) -> String {
let knowledge = match ProjectKnowledge::load(project_root) {
Some(k) => k,
None => return "No knowledge stored yet.".to_string(),
};
let cat = match category {
Some(c) => c,
None => return "Error: category is required for timeline".to_string(),
};
let facts = knowledge.timeline(cat);
if facts.is_empty() {
return format!("No history for category '{cat}'.");
}
let mut out = format!("Timeline [{cat}] ({} entries):\n", facts.len());
for f in &facts {
let status = if f.is_current() {
"CURRENT"
} else {
"archived"
};
let valid_range = match (f.valid_from, f.valid_until) {
(Some(from), Some(until)) => format!(
"{} → {}",
from.format("%Y-%m-%d %H:%M"),
until.format("%Y-%m-%d %H:%M")
),
(Some(from), None) => format!("{} → now", from.format("%Y-%m-%d %H:%M")),
_ => "unknown".to_string(),
};
out.push_str(&format!(
" {} = {} [{status}] ({valid_range}) conf={:.0}% x{}\n",
f.key,
f.value,
f.confidence * 100.0,
f.confirmation_count
));
}
out
}
fn handle_rooms(project_root: &str) -> String {
let knowledge = match ProjectKnowledge::load(project_root) {
Some(k) => k,
None => return "No knowledge stored yet.".to_string(),
};
let rooms = knowledge.list_rooms();
if rooms.is_empty() {
return "No knowledge rooms yet. Use ctx_knowledge(action=\"remember\", category=\"...\") to create rooms.".to_string();
}
let mut out = format!(
"Knowledge Rooms ({} rooms, project: {}):\n",
rooms.len(),
short_hash(&knowledge.project_hash)
);
for (cat, count) in &rooms {
out.push_str(&format!(" [{cat}] {count} fact(s)\n"));
}
out
}
fn handle_search(query: Option<&str>) -> String {
let q = match query {
Some(q) => q,
None => return "Error: query is required for search".to_string(),
};
let sessions_dir = match dirs::home_dir() {
Some(h) => h.join(".lean-ctx").join("sessions"),
None => return "Cannot determine home directory.".to_string(),
};
if !sessions_dir.exists() {
return "No sessions found.".to_string();
}
let knowledge_dir = match dirs::home_dir() {
Some(h) => h.join(".lean-ctx").join("knowledge"),
None => return "Cannot determine home directory.".to_string(),
};
let q_lower = q.to_lowercase();
let terms: Vec<&str> = q_lower.split_whitespace().collect();
let mut results = Vec::new();
if knowledge_dir.exists() {
if let Ok(entries) = std::fs::read_dir(&knowledge_dir) {
for entry in entries.flatten() {
let knowledge_file = entry.path().join("knowledge.json");
if let Ok(content) = std::fs::read_to_string(&knowledge_file) {
if let Ok(knowledge) = serde_json::from_str::<ProjectKnowledge>(&content) {
for fact in &knowledge.facts {
let searchable = format!(
"{} {} {}",
fact.category.to_lowercase(),
fact.key.to_lowercase(),
fact.value.to_lowercase()
);
let match_count =
terms.iter().filter(|t| searchable.contains(**t)).count();
if match_count > 0 {
results.push((
knowledge.project_root.clone(),
fact.category.clone(),
fact.key.clone(),
fact.value.clone(),
fact.confidence,
match_count as f32 / terms.len() as f32,
));
}
}
}
}
}
}
}
if let Ok(entries) = std::fs::read_dir(&sessions_dir) {
for entry in entries.flatten() {
let path = entry.path();
if path.extension().and_then(|e| e.to_str()) != Some("json") {
continue;
}
if path.file_name().and_then(|n| n.to_str()) == Some("latest.json") {
continue;
}
if let Ok(json) = std::fs::read_to_string(&path) {
if let Ok(session) = serde_json::from_str::<SessionState>(&json) {
for finding in &session.findings {
let searchable = finding.summary.to_lowercase();
let match_count = terms.iter().filter(|t| searchable.contains(**t)).count();
if match_count > 0 {
let project = session
.project_root
.clone()
.unwrap_or_else(|| "unknown".to_string());
results.push((
project,
"session-finding".to_string(),
session.id.clone(),
finding.summary.clone(),
0.6,
match_count as f32 / terms.len() as f32,
));
}
}
for decision in &session.decisions {
let searchable = decision.summary.to_lowercase();
let match_count = terms.iter().filter(|t| searchable.contains(**t)).count();
if match_count > 0 {
let project = session
.project_root
.clone()
.unwrap_or_else(|| "unknown".to_string());
results.push((
project,
"session-decision".to_string(),
session.id.clone(),
decision.summary.clone(),
0.7,
match_count as f32 / terms.len() as f32,
));
}
}
}
}
}
}
if results.is_empty() {
return format!("No results found for '{q}' across all sessions and projects.");
}
results.sort_by(|a, b| b.5.partial_cmp(&a.5).unwrap_or(std::cmp::Ordering::Equal));
results.truncate(20);
let mut out = format!("Cross-session search '{q}' ({} results):\n", results.len());
for (project, cat, key, value, conf, _relevance) in &results {
let project_short = short_path(project);
out.push_str(&format!(
" [{cat}/{key}] {value} (project: {project_short}, conf: {:.0}%)\n",
conf * 100.0
));
}
out
}
fn handle_wakeup(project_root: &str) -> String {
let knowledge = match ProjectKnowledge::load(project_root) {
Some(k) => k,
None => return "No knowledge for wake-up briefing.".to_string(),
};
let aaak = knowledge.format_aaak();
if aaak.is_empty() {
return "No knowledge yet. Start using ctx_knowledge(action=\"remember\") to build project memory.".to_string();
}
format!("WAKE-UP BRIEFING:\n{aaak}")
}
fn format_facts(
facts: &[&crate::core::knowledge::KnowledgeFact],
category: Option<&str>,
) -> String {
let mut out = String::new();
if let Some(cat) = category {
out.push_str(&format!("Facts [{cat}] ({}):\n", facts.len()));
} else {
out.push_str(&format!("Matching facts ({}):\n", facts.len()));
}
for f in facts {
let temporal = if !f.is_current() { " [archived]" } else { "" };
out.push_str(&format!(
" [{}/{}]: {} (confidence: {:.0}%, confirmed: {} x{}){temporal}\n",
f.category,
f.key,
f.value,
f.confidence * 100.0,
f.last_confirmed.format("%Y-%m-%d"),
f.confirmation_count
));
}
out
}
fn short_path(path: &str) -> String {
let parts: Vec<&str> = path.split('/').collect();
if parts.len() <= 2 {
return path.to_string();
}
parts[parts.len() - 2..].join("/")
}
fn short_hash(hash: &str) -> &str {
if hash.len() > 8 {
&hash[..8]
} else {
hash
}
}