clauth 0.3.0

Simple Claude Code account switcher and usage monitor
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143

//! Top bar: claude glyph + title block (brand, screen eyebrow, status).

use std::sync::atomic::Ordering;

use ratatui::Frame;
use ratatui::layout::{Alignment, Constraint, Direction, Layout, Rect};
use ratatui::style::Style;
use ratatui::text::{Line, Span};
use ratatui::widgets::Paragraph;

use super::super::app::{App, Screen};
use super::super::theme;
use crate::format::plan_label;
use crate::usage::now_ms;

const VERSION_SUFFIX: &str = concat!("  v", env!("CARGO_PKG_VERSION"));

pub(super) fn draw(frame: &mut Frame<'_>, area: Rect, app: &App) {
    let cols = Layout::default()
        .direction(Direction::Horizontal)
        .constraints([Constraint::Length(10), Constraint::Min(20)])
        .split(area);

    draw_logo(frame, cols[0], app);
    draw_title(frame, cols[1], app);
}

fn draw_title(frame: &mut Frame<'_>, area: Rect, app: &App) {
    let active = app.config.state.active_profile.as_deref();
    let active_span = match active {
        Some(name) => Span::styled(format!("active: {name}"), theme::accent()),
        None => Span::styled("no active profile", theme::warning()),
    };

    let title = Line::from(vec![
        Span::styled("clauth", Style::default().fg(theme::TEXT).bold()),
        Span::styled(VERSION_SUFFIX, theme::faint()),
    ]);
    let eyebrow = match app.screen {
        Screen::Overview => {
            let n = app.config.profiles.len();
            Line::from(vec![
                Span::styled("OVERVIEW", theme::label()),
                Span::raw("  "),
                active_span,
                Span::styled(format!("  ·  {n} account{}", plural(n)), theme::faint()),
            ])
        }
        Screen::Chain => {
            let n = app.config.state.fallback_chain.len();
            Line::from(vec![
                Span::styled("FALLBACK CHAIN", theme::label()),
                Span::raw("  "),
                Span::styled(format!("{n} profile{}", plural(n)), theme::muted()),
            ])
        }
        Screen::ProfileDetail { profile_index } => {
            let profile = app.config.profiles.get(profile_index);
            let name = profile.map(|p| p.name.as_str()).unwrap_or("—");
            let kind = profile
                .map(|p| {
                    if !p.is_oauth() {
                        "endpoint".to_string()
                    } else {
                        p.usage
                            .as_ref()
                            .and_then(|u| u.plan.as_ref())
                            .map(plan_label)
                            .unwrap_or_else(|| "oauth".to_string())
                    }
                })
                .unwrap_or_else(|| "—".to_string());
            let active = profile.is_some_and(|p| app.config.is_active(&p.name));
            Line::from(vec![
                Span::styled(name.to_string(), Style::default().fg(theme::TEXT).bold()),
                Span::styled("  ·  ", theme::faint()),
                Span::styled(kind, theme::faint()),
                Span::styled("  ·  ", theme::faint()),
                if active {
                    Span::styled("active", theme::accent())
                } else {
                    Span::styled("inactive", theme::faint())
                },
            ])
        }
    };

    let para = Paragraph::new(vec![title, eyebrow, status_line(app)]).style(theme::base());
    frame.render_widget(para, area);
}

/// Live refresh state — busy pip plus countdown to the next background
/// poll. Sits on the header's third row so the footer is free for hints.
fn status_line(app: &App) -> Line<'static> {
    let busy = app.activity.load(Ordering::Relaxed);
    let pip = if busy {
        Span::styled("●", theme::accent())
    } else {
        Span::styled("●", theme::faint())
    };
    let countdown = next_refresh_secs(app);
    Line::from(vec![
        pip,
        Span::styled(format!(" next refresh in {countdown}s"), theme::faint()),
    ])
}

fn next_refresh_secs(app: &App) -> i64 {
    let target = app.next_refresh_at.load(Ordering::Relaxed) as i64;
    let now = now_ms() as i64;
    ((target - now) / 1000).max(0)
}

fn plural(n: usize) -> &'static str {
    if n == 1 { "" } else { "s" }
}

/// Claude glyph in the top-left. Static orange — the status pip on the third
/// title row is the one busy indicator, so the logo stays a calm anchor.
/// Eyes blank for ~200ms every ~6s as a subtle sign of life.
fn draw_logo(frame: &mut Frame<'_>, area: Rect, app: &App) {
    let elapsed = app.started_at.elapsed().as_millis() as u64;
    let blink = (elapsed % 6000) < 200;

    let style = Style::default().fg(theme::ACCENT_2);

    let logo_top = if blink {
        " ▐█████▌ "
    } else {
        " ▐▛███▜▌ "
    };
    let logo_mid = "▝▜█████▛▘";
    let logo_eyes = "  ▘▘ ▝▝  ";

    let lines = vec![
        Line::from(Span::styled(logo_top, style)).alignment(Alignment::Left),
        Line::from(Span::styled(logo_mid, style)).alignment(Alignment::Left),
        Line::from(Span::styled(logo_eyes, style)).alignment(Alignment::Left),
    ];

    let para = Paragraph::new(lines).style(theme::base());
    frame.render_widget(para, area);
}