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package tmux
import (
"fmt"
"os"
"os/exec"
"strings"
"codeberg.org/snonux/hexai/internal/textutil"
)
// Enabled reports whether tmux status updates are enabled via env (default: on).
func Enabled() bool {
v := strings.TrimSpace(os.Getenv("HEXAI_TMUX_STATUS"))
if v == "" {
return true
}
v = strings.ToLower(v)
return v == "1" || v == "true" || v == "yes" || v == "on"
}
// SetUserOption sets a global tmux user option like @hexai_status to value.
func SetUserOption(key, value string) error {
if !Enabled() || !HasBinary() || !InSession() {
return nil
}
k := strings.TrimPrefix(strings.TrimSpace(key), "@")
if k == "" {
return nil
}
// Use set-option -g so it appears for all windows
return exec.Command("tmux", "set-option", "-g", "@"+k, value).Run()
}
// SetStatus is a convenience for setting @hexai_status.
func SetStatus(value string) error { return SetUserOption("hexai_status", applyTheme(value)) }
// FormatLLMStatsStatus builds a compact tmux status string for LLM heartbeats.
// Example: "LLM:gpt-4.1 5r 0.8rpm in12k out34k"
func FormatLLMStatsStatus(model string, reqs int64, rpm float64, inBytes, outBytes int64) string {
return fmt.Sprintf("LLM:%s %dr %.1frpm in%s out%s", model, reqs, rpm, textutil.HumanBytes(inBytes), textutil.HumanBytes(outBytes))
}
// FormatLLMStatsStatusColored is like FormatLLMStatsStatus but includes provider and
// tmux color segments for readability. Uses up/down arrows for bytes.
// Example (with colors): "LLM:openai:gpt-4.1 ↑12k ↓34k 0.8rpm 5r"
func FormatLLMStatsStatusColored(provider, model string, reqs int64, rpm float64, inBytes, outBytes int64) string {
in := textutil.HumanBytes(inBytes)
out := textutil.HumanBytes(outBytes)
// Keep it compact; colorize prefix and arrows; use fg resets so a themed bg can persist.
// colour8 = dim grey, colour3 = yellow (up), colour2 = green (down)
return fmt.Sprintf(
"#[fg=colour8]LLM:#[fg=default]%s:%s #[fg=colour3]↑%s#[fg=default] #[fg=colour2]↓%s#[fg=default] %.1frpm %dr",
provider, model, in, out, rpm, reqs,
)
}
// FormatLLMStartStatus renders a short colored heartbeat at start/initialize time.
// Example: "LLM:openai:gpt-4.1 ⏳"
func FormatLLMStartStatus(provider, model string) string {
return fmt.Sprintf("#[fg=colour8]LLM:#[fg=default]%s:%s #[fg=colour11]⏳#[fg=default]", provider, model)
}
// applyTheme wraps the status string with a user-selected tmux style if requested.
// Set HEXAI_TMUX_STATUS_THEME=white-on-purple to get white-on-purple background.
func applyTheme(s string) string {
theme := strings.ToLower(strings.TrimSpace(os.Getenv("HEXAI_TMUX_STATUS_THEME")))
// Allow explicit fg/bg override
fg := strings.TrimSpace(os.Getenv("HEXAI_TMUX_STATUS_FG"))
bg := strings.TrimSpace(os.Getenv("HEXAI_TMUX_STATUS_BG"))
if fg != "" || bg != "" {
if fg == "" {
fg = "default"
}
if bg == "" {
bg = "default"
}
return "#[fg=" + fg + ",bg=" + bg + "]" + s + "#[fg=default,bg=default]"
}
if theme == "white-on-purple" || theme == "purple" || theme == "magenta" || theme == "white-on-magenta" {
return "#[fg=white,bg=magenta]" + s + "#[fg=default,bg=default]"
}
if theme == "black-on-yellow" || theme == "yellow" || theme == "black-on-gold" {
return "#[fg=black,bg=yellow]" + s + "#[fg=default,bg=default]"
}
if theme == "white-on-blue" || theme == "blue" || theme == "white-on-navy" {
return "#[fg=white,bg=blue]" + s + "#[fg=default,bg=default]"
}
return s
}
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