use chrono::{DateTime, Utc};
use comfy_table::{Cell, Color};
use std::cmp::Ordering;
use crate::cli::SortOrder;
use crate::consts::DATE_FORMAT;
use crate::core::{SessionStats, Stats, format_project_name};
use crate::output::format::{
NumberFormat, cost_json_value, create_styled_table, format_compact, format_cost, format_number,
header_cell, right_cell, styled_cell,
};
use crate::pricing::{CurrencyConverter, PricingDb, sum_model_costs};
use crate::utils::Timezone;
fn truncate_session_id(id: &str, max_len: usize) -> String {
if id.chars().count() <= max_len {
id.to_string()
} else if max_len <= 3 {
".".repeat(max_len)
} else {
let prefix: String = id.chars().take(max_len - 3).collect();
format!("{prefix}...")
}
}
fn extract_date(ts: &str, timezone: Timezone) -> String {
if let Ok(utc_dt) = ts.parse::<DateTime<Utc>>() {
let local = timezone.to_fixed_offset(utc_dt);
return local.date_naive().format(DATE_FORMAT).to_string();
}
ts.split('T').next().unwrap_or(ts).to_string()
}
fn parse_timestamp_millis(ts: &str) -> Option<i64> {
DateTime::parse_from_rfc3339(ts)
.ok()
.map(|dt| dt.timestamp_millis())
}
pub(super) fn compare_session_last_timestamp(a: &SessionStats, b: &SessionStats) -> Ordering {
match (
parse_timestamp_millis(&a.last_timestamp),
parse_timestamp_millis(&b.last_timestamp),
) {
(Some(a_ms), Some(b_ms)) => a_ms
.cmp(&b_ms)
.then_with(|| a.last_timestamp.cmp(&b.last_timestamp)),
(Some(_), None) => Ordering::Greater,
(None, Some(_)) => Ordering::Less,
(None, None) => a.last_timestamp.cmp(&b.last_timestamp),
}
}
#[derive(Debug, Clone, Copy)]
pub(crate) struct SessionTableOptions<'a> {
pub(crate) order: SortOrder,
pub(crate) use_color: bool,
pub(crate) compact: bool,
pub(crate) show_cost: bool,
pub(crate) number_format: NumberFormat,
pub(crate) source_label: &'a str,
pub(crate) timezone: Timezone,
pub(crate) currency: Option<&'a CurrencyConverter>,
}
#[allow(clippy::too_many_lines)]
pub(crate) fn print_session_table(
sessions: &[SessionStats],
pricing_db: &PricingDb,
options: SessionTableOptions<'_>,
) {
let order = options.order;
let use_color = options.use_color;
let compact = options.compact;
let show_cost = options.show_cost;
let number_format = options.number_format;
let source_label = options.source_label;
let timezone = options.timezone;
let mut sorted_sessions: Vec<_> = sessions.iter().collect();
match order {
SortOrder::Asc => sorted_sessions.sort_by(|a, b| compare_session_last_timestamp(a, b)),
SortOrder::Desc => sorted_sessions.sort_by(|a, b| compare_session_last_timestamp(b, a)),
}
let mut table = create_styled_table();
if compact {
let mut header = vec![
header_cell("Session", use_color),
header_cell("Project", use_color),
header_cell("Date", use_color),
header_cell("Total", use_color),
];
if show_cost {
header.push(header_cell("Cost", use_color));
}
table.set_header(header);
} else {
let mut header = vec![
header_cell("Session", use_color),
header_cell("Project", use_color),
header_cell("Date", use_color),
header_cell("Input", use_color),
header_cell("Output", use_color),
header_cell("Total", use_color),
];
if show_cost {
header.push(header_cell("Cost", use_color));
}
table.set_header(header);
}
let cost_color = if use_color { Some(Color::Green) } else { None };
let mut total_stats = Stats::default();
let mut total_cost = 0.0;
for session in &sorted_sessions {
let session_cost = sum_model_costs(&session.models, pricing_db);
total_cost += session_cost;
total_stats.add(&session.stats);
let session_id = truncate_session_id(&session.session_id, 12);
let project = format_project_name(&session.project_path);
let date = extract_date(&session.last_timestamp, timezone);
if compact {
let mut row = vec![
Cell::new(&session_id),
Cell::new(&project),
Cell::new(&date),
right_cell(
&format_compact(session.stats.total_tokens(), number_format),
None,
false,
),
];
if show_cost {
row.push(right_cell(
&format_cost(session_cost, options.currency),
cost_color,
false,
));
}
table.add_row(row);
} else {
let mut row = vec![
Cell::new(&session_id),
Cell::new(&project),
Cell::new(&date),
right_cell(
&format_number(session.stats.input_tokens, number_format),
None,
false,
),
right_cell(
&format_number(session.stats.output_tokens, number_format),
None,
false,
),
right_cell(
&format_number(session.stats.total_tokens(), number_format),
None,
false,
),
];
if show_cost {
row.push(right_cell(
&format_cost(session_cost, options.currency),
cost_color,
false,
));
}
table.add_row(row);
}
}
let cyan = if use_color { Some(Color::Cyan) } else { None };
let green = if use_color { Some(Color::Green) } else { None };
if compact {
let mut row = vec![
styled_cell("TOTAL", cyan, true),
Cell::new(""),
Cell::new(""),
right_cell(
&format_compact(total_stats.total_tokens(), number_format),
cyan,
true,
),
];
if show_cost {
row.push(right_cell(
&format_cost(total_cost, options.currency),
green,
true,
));
}
table.add_row(row);
} else {
let mut row = vec![
styled_cell("TOTAL", cyan, true),
Cell::new(""),
Cell::new(""),
right_cell(
&format_number(total_stats.input_tokens, number_format),
cyan,
true,
),
right_cell(
&format_number(total_stats.output_tokens, number_format),
cyan,
true,
),
right_cell(
&format_number(total_stats.total_tokens(), number_format),
cyan,
true,
),
];
if show_cost {
row.push(right_cell(
&format_cost(total_cost, options.currency),
green,
true,
));
}
table.add_row(row);
}
println!("\n {source_label} Session Usage\n");
println!("{table}");
println!(
"\n {} sessions\n",
format_number(sorted_sessions.len() as i64, number_format)
);
}
pub(crate) fn output_session_json(
sessions: &[SessionStats],
pricing_db: &PricingDb,
order: SortOrder,
show_cost: bool,
currency: Option<&CurrencyConverter>,
) -> String {
let mut sorted_sessions: Vec<_> = sessions.iter().collect();
match order {
SortOrder::Asc => sorted_sessions.sort_by(|a, b| compare_session_last_timestamp(a, b)),
SortOrder::Desc => sorted_sessions.sort_by(|a, b| compare_session_last_timestamp(b, a)),
}
let output: Vec<serde_json::Value> = sorted_sessions
.iter()
.map(|session| {
let session_cost = sum_model_costs(&session.models, pricing_db);
let mut models: Vec<_> = session.models.keys().cloned().collect();
models.sort();
let mut obj = serde_json::json!({
"session_id": session.session_id,
"project": format_project_name(&session.project_path),
"project_path": session.project_path,
"first_timestamp": session.first_timestamp,
"last_timestamp": session.last_timestamp,
"input_tokens": session.stats.input_tokens,
"output_tokens": session.stats.output_tokens,
"reasoning_tokens": session.stats.reasoning_tokens,
"cache_creation_tokens": session.stats.cache_creation,
"cache_read_tokens": session.stats.cache_read,
"total_tokens": session.stats.total_tokens(),
"models": models,
});
if show_cost {
obj["cost"] = cost_json_value(session_cost, currency);
}
obj
})
.collect();
serde_json::to_string_pretty(&output).unwrap_or_else(|e| {
eprintln!("Failed to serialize JSON output: {e}");
"[]".to_string()
})
}
#[cfg(test)]
mod tests {
use super::*;
use crate::core::SessionStats;
use std::cmp::Ordering;
use std::collections::HashMap;
#[test]
fn truncate_session_id_ascii() {
assert_eq!(truncate_session_id("abcdefghijk", 12), "abcdefghijk");
assert_eq!(truncate_session_id("abcdefghijkl", 12), "abcdefghijkl");
assert_eq!(truncate_session_id("abcdefghijklmnop", 12), "abcdefghi...");
}
#[test]
fn truncate_session_id_utf8_boundary_safe() {
assert_eq!(truncate_session_id("ééééééé", 12), "ééééééé");
assert_eq!(truncate_session_id("ééééééé", 6), "ééé...");
}
#[test]
fn truncate_session_id_small_max_len() {
assert_eq!(truncate_session_id("abcdef", 3), "...");
assert_eq!(truncate_session_id("abcdef", 2), "..");
assert_eq!(truncate_session_id("abcdef", 1), ".");
assert_eq!(truncate_session_id("abcdef", 0), "");
}
#[test]
fn truncate_session_id_exact_boundary() {
assert_eq!(truncate_session_id("abcde", 5), "abcde");
assert_eq!(truncate_session_id("abcdef", 5), "ab...");
}
#[test]
fn parse_timestamp_millis_valid_rfc3339() {
let ms = parse_timestamp_millis("2026-02-12T10:00:00Z");
assert!(ms.is_some());
assert!(ms.unwrap() > 0);
}
#[test]
fn parse_timestamp_millis_invalid_input() {
assert!(parse_timestamp_millis("not-a-timestamp").is_none());
assert!(parse_timestamp_millis("").is_none());
assert!(parse_timestamp_millis("2026-02-12").is_none());
}
#[test]
fn extract_date_valid_utc_timestamp() {
let tz = Timezone::Named(chrono_tz::UTC);
assert_eq!(extract_date("2026-02-12T10:30:00Z", tz), "2026-02-12");
}
#[test]
fn extract_date_fallback_on_invalid_timestamp() {
let tz = Timezone::Named(chrono_tz::UTC);
assert_eq!(extract_date("2026-02-12T_garbage", tz), "2026-02-12");
}
#[test]
fn extract_date_no_t_separator() {
let tz = Timezone::Named(chrono_tz::UTC);
assert_eq!(extract_date("just-a-string", tz), "just-a-string");
}
#[test]
fn compare_session_last_timestamp_uses_absolute_time() {
let a = SessionStats {
last_timestamp: "2026-02-06T23:00:00+08:00".to_string(), ..Default::default()
};
let b = SessionStats {
last_timestamp: "2026-02-06T16:00:00Z".to_string(), ..Default::default()
};
assert_eq!(compare_session_last_timestamp(&a, &b), Ordering::Less);
assert_eq!(compare_session_last_timestamp(&b, &a), Ordering::Greater);
}
#[test]
fn compare_session_last_timestamp_equal() {
let a = SessionStats {
last_timestamp: "2026-02-06T10:00:00Z".to_string(),
..Default::default()
};
let b = SessionStats {
last_timestamp: "2026-02-06T10:00:00Z".to_string(),
..Default::default()
};
assert_eq!(compare_session_last_timestamp(&a, &b), Ordering::Equal);
}
#[test]
fn compare_session_last_timestamp_invalid_falls_back_to_string() {
let a = SessionStats {
last_timestamp: "aaa".to_string(),
..Default::default()
};
let b = SessionStats {
last_timestamp: "bbb".to_string(),
..Default::default()
};
assert_eq!(compare_session_last_timestamp(&a, &b), Ordering::Less);
}
#[test]
fn compare_session_valid_before_invalid() {
let valid = SessionStats {
last_timestamp: "2026-02-06T10:00:00Z".to_string(),
..Default::default()
};
let invalid = SessionStats {
last_timestamp: "not-valid".to_string(),
..Default::default()
};
assert_eq!(
compare_session_last_timestamp(&valid, &invalid),
Ordering::Greater
);
assert_eq!(
compare_session_last_timestamp(&invalid, &valid),
Ordering::Less
);
}
fn make_session(id: &str, last_ts: &str, input: i64, output: i64) -> SessionStats {
SessionStats {
session_id: id.to_string(),
project_path: "/home/user/project".to_string(),
first_timestamp: "2026-02-12T08:00:00Z".to_string(),
last_timestamp: last_ts.to_string(),
stats: Stats {
input_tokens: input,
output_tokens: output,
..Default::default()
},
models: HashMap::new(),
}
}
#[test]
fn output_session_json_empty() {
let db = PricingDb::default();
let json_str = output_session_json(&[], &db, SortOrder::Asc, false, None);
let parsed: Vec<serde_json::Value> = serde_json::from_str(&json_str).unwrap();
assert!(parsed.is_empty());
}
#[test]
fn output_session_json_fields_present() {
let db = PricingDb::default();
let sessions = vec![make_session("sess-1", "2026-02-12T10:00:00Z", 1000, 500)];
let json_str = output_session_json(&sessions, &db, SortOrder::Asc, false, None);
let parsed: Vec<serde_json::Value> = serde_json::from_str(&json_str).unwrap();
assert_eq!(parsed.len(), 1);
assert_eq!(parsed[0]["session_id"], "sess-1");
assert_eq!(parsed[0]["project"], "project");
assert_eq!(parsed[0]["project_path"], "/home/user/project");
assert_eq!(parsed[0]["input_tokens"], 1000);
assert_eq!(parsed[0]["output_tokens"], 500);
assert_eq!(parsed[0]["total_tokens"], 1500);
assert!(parsed[0].get("cost").is_none());
}
#[test]
fn output_session_json_includes_cost_when_requested() {
let db = PricingDb::default();
let sessions = vec![make_session("sess-1", "2026-02-12T10:00:00Z", 100, 50)];
let json_str = output_session_json(&sessions, &db, SortOrder::Asc, true, None);
let parsed: Vec<serde_json::Value> = serde_json::from_str(&json_str).unwrap();
assert!(parsed[0].get("cost").is_some());
}
#[test]
fn output_session_json_sorts_by_timestamp() {
let db = PricingDb::default();
let sessions = vec![
make_session("late", "2026-02-12T20:00:00Z", 100, 50),
make_session("early", "2026-02-12T08:00:00Z", 200, 100),
];
let asc = output_session_json(&sessions, &db, SortOrder::Asc, false, None);
let parsed: Vec<serde_json::Value> = serde_json::from_str(&asc).unwrap();
assert_eq!(parsed[0]["session_id"], "early");
assert_eq!(parsed[1]["session_id"], "late");
let desc = output_session_json(&sessions, &db, SortOrder::Desc, false, None);
let parsed: Vec<serde_json::Value> = serde_json::from_str(&desc).unwrap();
assert_eq!(parsed[0]["session_id"], "late");
assert_eq!(parsed[1]["session_id"], "early");
}
#[test]
fn output_session_json_models_sorted() {
let db = PricingDb::default();
let mut models = HashMap::new();
models.insert("sonnet".to_string(), Stats::default());
models.insert("haiku".to_string(), Stats::default());
let sessions = vec![SessionStats {
session_id: "s1".to_string(),
models,
..Default::default()
}];
let json_str = output_session_json(&sessions, &db, SortOrder::Asc, false, None);
let parsed: Vec<serde_json::Value> = serde_json::from_str(&json_str).unwrap();
let model_list: Vec<&str> = parsed[0]["models"]
.as_array()
.unwrap()
.iter()
.map(|v| v.as_str().unwrap())
.collect();
assert_eq!(model_list, vec!["haiku", "sonnet"]);
}
}