| 1 | package cli |
| 2 | |
| 3 | import ( |
| 4 | "fmt" |
| 5 | "strings" |
| 6 | |
| 7 | "github.com/charmbracelet/x/ansi" |
| 8 | |
| 9 | "reasonix/internal/billing" |
| 10 | "reasonix/internal/event" |
| 11 | "reasonix/internal/i18n" |
| 12 | "reasonix/internal/provider" |
| 13 | ) |
| 14 | |
| 15 | const ( |
| 16 | statusFooterIndent = " " |
| 17 | statusFooterGroupGap = 2 |
| 18 | ) |
| 19 | |
| 20 | func footerLabel(label string) string { |
| 21 | return themeFg(activeCLITheme.subtle, label) |
| 22 | } |
| 23 | |
| 24 | func footerHint(hint string) string { |
| 25 | return themeFg(activeCLITheme.subtle, hint) |
| 26 | } |
| 27 | |
| 28 | func footerValue(value string) string { |
| 29 | return themeFg(activeCLITheme.muted, value) |
| 30 | } |
| 31 | |
| 32 | func footerInfo(value string) string { |
| 33 | return themeFg(activeCLITheme.info, value) |
| 34 | } |
| 35 | |
| 36 | func footerMetric(label, value string) string { |
| 37 | if strings.TrimSpace(value) == "" { |
| 38 | return "" |
| 39 | } |
| 40 | return footerLabel(label) + " " + value |
| 41 | } |
| 42 | |
| 43 | // renderTurnReceipt attaches the completed turn's token and cost breakdown to |
| 44 | // the assistant response. Unlike the persistent footer, this is historical |
| 45 | // message metadata: it stays in transcript scrollback and deliberately uses a |
| 46 | // quieter palette than runtime/session state. |
| 47 | func renderTurnReceipt(u *provider.Usage, p *provider.Pricing, d *event.CacheDiagnostics) string { |
| 48 | var quote *billing.CostQuote |
| 49 | if u != nil && p != nil { |
| 50 | quote = event.EnsureCostQuote(event.Event{Kind: event.Usage, Usage: u, Pricing: p}, nil) |
| 51 | } |
| 52 | return renderQuotedTurnReceipt(u, quote, d) |
| 53 | } |
| 54 | |
| 55 | func renderQuotedTurnReceipt(u *provider.Usage, q *billing.CostQuote, d *event.CacheDiagnostics) string { |
| 56 | if u == nil || u.TotalTokens == 0 { |
| 57 | return "" |
| 58 | } |
| 59 | |
| 60 | total := shortTokens(u.TotalTokens) + " tok" |
| 61 | if u.Estimated { |
| 62 | total = "≈" + total |
| 63 | } |
| 64 | groups := []string{total} |
| 65 | if u.PromptTokens > 0 { |
| 66 | cached := u.CacheHitTokens |
| 67 | fresh := u.CacheMissTokens |
| 68 | if fresh == 0 { |
| 69 | fresh = max(u.PromptTokens-cached, 0) |
| 70 | } |
| 71 | groups = append(groups, |
| 72 | "in "+shortTokens(u.PromptTokens), |
| 73 | "cached "+shortTokens(cached), |
| 74 | "new "+shortTokens(fresh), |
| 75 | ) |
| 76 | } |
| 77 | groups = append(groups, "out "+shortTokens(u.CompletionTokens)) |
| 78 | if u.ReasoningTokens > 0 { |
| 79 | groups = append(groups, "reasoning "+shortTokens(u.ReasoningTokens)) |
| 80 | } |
| 81 | if q != nil && q.CostComplete { |
| 82 | // Host quotes are estimates; never present a bare zero as real spend. |
| 83 | money := q.Original |
| 84 | if q.Selected != nil { |
| 85 | money = *q.Selected |
| 86 | } |
| 87 | cost := money.Float64() |
| 88 | if cost > 0 { |
| 89 | groups = append(groups, fmt.Sprintf("≈%s%.4f", billing.CurrencySymbol(money.Currency), cost)) |
| 90 | } else { |
| 91 | groups = append(groups, "cost n/a") |
| 92 | } |
| 93 | if band := localizedRateBand(q.RateBand); band != "" { |
| 94 | groups = append(groups, band) |
| 95 | } |
| 96 | } |
| 97 | if u.Estimated { |
| 98 | groups = append(groups, "estimated") |
| 99 | } |
| 100 | |
| 101 | separator := footerHint(" · ") |
| 102 | styled := make([]string, 0, len(groups)) |
| 103 | for _, group := range groups { |
| 104 | styled = append(styled, footerValue(group)) |
| 105 | } |
| 106 | receipt := statusFooterIndent + footerLabel(i18n.M.ChatTurnReceiptLabel) + " " + strings.Join(styled, separator) |
| 107 | if d != nil && d.PrefixChanged { |
| 108 | reasons := strings.Join(d.PrefixChangeReasons, "+") |
| 109 | if reasons == "" { |
| 110 | reasons = "unknown" |
| 111 | } |
| 112 | receipt += separator + themeFg(activeCLITheme.warn, "cache prefix changed: "+reasons) |
| 113 | } |
| 114 | return receipt |
| 115 | } |
| 116 | |
| 117 | func localizedRateBand(band string) string { |
| 118 | switch band { |
| 119 | case billing.RateBandPeak: |
| 120 | return i18n.M.RateBandPeak |
| 121 | case billing.RateBandOffPeak: |
| 122 | return i18n.M.RateBandOffPeak |
| 123 | case billing.RateBandMixed: |
| 124 | return i18n.M.RateBandMixed |
| 125 | default: |
| 126 | return "" |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | func mergeSessionRateBand(current *billing.CostQuote, next billing.CostQuote) string { |
| 131 | if current == nil { |
| 132 | return next.RateBand |
| 133 | } |
| 134 | if current.RateBand == "" || next.RateBand == "" { |
| 135 | return "" |
| 136 | } |
| 137 | if current.RateBand == billing.RateBandMixed || next.RateBand == billing.RateBandMixed || current.RateBand != next.RateBand { |
| 138 | return billing.RateBandMixed |
| 139 | } |
| 140 | return current.RateBand |
| 141 | } |
| 142 | |
| 143 | func (m *chatTUI) addSessionCostQuote(next *billing.CostQuote) { |
| 144 | if m == nil || next == nil { |
| 145 | return |
| 146 | } |
| 147 | band := mergeSessionRateBand(m.sessionCostQuote, *next) |
| 148 | quotes := []billing.CostQuote{*next} |
| 149 | if m.sessionCostQuote != nil { |
| 150 | quotes = append([]billing.CostQuote{*m.sessionCostQuote}, quotes...) |
| 151 | } |
| 152 | display := "" |
| 153 | if next.Selected != nil { |
| 154 | display = next.Selected.Currency |
| 155 | } |
| 156 | total := billing.AggregateQuotes(quotes, display) |
| 157 | total.RateBand = band |
| 158 | total.RatedAt = "" |
| 159 | m.sessionCostQuote = &total |
| 160 | } |
| 161 | |
| 162 | func (m chatTUI) sessionCostStatus() string { |
| 163 | q := m.sessionCostQuote |
| 164 | if q == nil || !q.CostComplete { |
| 165 | return "" |
| 166 | } |
| 167 | money := q.Original |
| 168 | if q.Selected != nil { |
| 169 | money = *q.Selected |
| 170 | } |
| 171 | if money.Float64() <= 0 { |
| 172 | return "" |
| 173 | } |
| 174 | value := fmt.Sprintf("≈%s%.4f", billing.CurrencySymbol(money.Currency), money.Float64()) |
| 175 | if band := localizedRateBand(q.RateBand); band != "" { |
| 176 | value += " · " + band |
| 177 | } |
| 178 | return value |
| 179 | } |
| 180 | |
| 181 | // primaryStatusLine renders the interaction half of the first footer row. The |
| 182 | // model/profile group is laid out separately so it can stay right-anchored on |
| 183 | // wide terminals and move as one unit on narrow terminals. |
| 184 | func (m chatTUI) primaryStatusLine(modeTag string, shellMode, cancelRequested bool) string { |
| 185 | status := statusFooterIndent + modeTag |
| 186 | switch { |
| 187 | case m.rewind != nil: |
| 188 | status += " · ⟲ rewind" |
| 189 | case m.mcpImport != nil: |
| 190 | status += " · MCP import" |
| 191 | case m.resumePick != nil: |
| 192 | status += " · " + i18n.M.StatusResumePicker |
| 193 | case m.quickPick != nil: |
| 194 | status += " · " + m.quickPick.title |
| 195 | case m.mcp != nil: |
| 196 | status += " · MCP" |
| 197 | case m.skillPick != nil: |
| 198 | status += " · " + i18n.M.SkillPickerStatusLabel |
| 199 | case m.chooser != nil: |
| 200 | status += " · " + i18n.M.ChatStatusQuestion |
| 201 | case m.pendingApproval != nil && m.pendingApproval.Tool == planApprovalTool: |
| 202 | status += " · " + i18n.M.ChatStatusPlanApproval |
| 203 | case m.pendingApproval != nil: |
| 204 | status += " · " + i18n.M.ChatStatusToolApproval |
| 205 | case m.clipboardImagePending: |
| 206 | status += " · " + yellow(i18n.M.ClipboardImagePastingHint) |
| 207 | case m.copyNoticeText != "": |
| 208 | status += " · " + green(m.copyNoticeText) |
| 209 | case m.maintenance != nil: |
| 210 | status += " · " + footerValue(i18n.M.CompactionWorking) |
| 211 | case cancelRequested: |
| 212 | status += " · " + i18n.M.CtrlCQuitHint |
| 213 | case shellMode: |
| 214 | status += " · " + i18n.M.ShellModeHint |
| 215 | case m.ctrl != nil && m.ctrl.AutoApproveTools(): |
| 216 | status += " · " + footerHint(i18n.M.ChatStatusCycleHintCompact) |
| 217 | default: |
| 218 | status += " · " + footerValue(i18n.M.ChatStatusIdle) + " · " + footerHint(i18n.M.ChatStatusCycleHintCompact) |
| 219 | } |
| 220 | if mt := m.mouseTag(); mt != "" { |
| 221 | status += " · " + mt |
| 222 | } |
| 223 | return status |
| 224 | } |
| 225 | |
| 226 | // presetTag is retained for the stable footer composition contract. Retired |
| 227 | // role settings have no status-line representation. |
| 228 | func (m chatTUI) presetTag() string { |
| 229 | return "" |
| 230 | } |
| 231 | |
| 232 | // statusModelWorkGroup is the bounded, session-level group placed at the right |
| 233 | // edge of the first footer row. A custom statusline still replaces every |
| 234 | // built-in data field, matching its existing configuration contract. |
| 235 | func (m chatTUI) statusModelWorkGroup(maxWidth int) string { |
| 236 | if m.statuslineCmd != "" && m.statuslineOut != "" { |
| 237 | return "" |
| 238 | } |
| 239 | model := strings.TrimSpace(m.label) |
| 240 | if maxWidth <= 0 { |
| 241 | maxWidth = 1 |
| 242 | } |
| 243 | |
| 244 | const separator = " " |
| 245 | tail := make([]string, 0, 3) |
| 246 | if effort := m.effortTag(); effort != "" { |
| 247 | tail = append(tail, effort) |
| 248 | } |
| 249 | if preset := m.presetTag(); preset != "" { |
| 250 | tail = append(tail, preset) |
| 251 | } |
| 252 | if model == "" && len(tail) == 0 { |
| 253 | return "" |
| 254 | } |
| 255 | |
| 256 | fields := append([]string(nil), tail...) |
| 257 | if model != "" { |
| 258 | fields = append([]string{footerMetric(i18n.M.ChatStatusModelLabel, footerInfo(model))}, fields...) |
| 259 | } |
| 260 | full := strings.Join(fields, separator) |
| 261 | if visibleWidth(full) <= maxWidth { |
| 262 | return full |
| 263 | } |
| 264 | |
| 265 | // Model names own the flexible slot. Keep effort and work intact while they |
| 266 | // fit, and compact only the model before falling back to a bounded plain group. |
| 267 | if model != "" { |
| 268 | tailWidth := visibleWidth(strings.Join(tail, separator)) |
| 269 | if len(tail) > 0 { |
| 270 | tailWidth += visibleWidth(separator) |
| 271 | } |
| 272 | modelBudget := maxWidth - tailWidth - visibleWidth(i18n.M.ChatStatusModelLabel+" ") |
| 273 | if modelBudget >= 4 { |
| 274 | modelField := footerMetric(i18n.M.ChatStatusModelLabel, footerInfo(compactMiddle(model, modelBudget))) |
| 275 | if len(tail) == 0 { |
| 276 | return modelField |
| 277 | } |
| 278 | return modelField + separator + strings.Join(tail, separator) |
| 279 | } |
| 280 | } |
| 281 | return footerHint(compactMiddle(ansi.Strip(full), maxWidth)) |
| 282 | } |
| 283 | |
| 284 | func cacheStatusColor(rate float64) cliColor { |
| 285 | switch { |
| 286 | case rate >= 80: |
| 287 | return activeCLITheme.success |
| 288 | case rate >= 50: |
| 289 | return activeCLITheme.info |
| 290 | default: |
| 291 | return activeCLITheme.warn |
| 292 | } |
| 293 | } |
| 294 | |
| 295 | func renderContextStatusGroups(used, window int, ratio float64) []string { |
| 296 | if used == 0 || window == 0 { |
| 297 | return nil |
| 298 | } |
| 299 | pct := used * 100 / window |
| 300 | ctxValue := fmt.Sprintf("%s (%d%%)", shortTokens(used), pct) |
| 301 | |
| 302 | if ratio <= 0 || ratio >= 1 { |
| 303 | ctxValue = fmt.Sprintf("%s / %s (%d%%)", shortTokens(used), shortTokens(window), pct) |
| 304 | color := activeCLITheme.muted |
| 305 | switch { |
| 306 | case pct >= 85: |
| 307 | color = activeCLITheme.danger |
| 308 | case pct >= 60: |
| 309 | color = activeCLITheme.warn |
| 310 | } |
| 311 | return []string{footerMetric(i18n.M.ChatStatusContextLabel, themeFg(color, ctxValue))} |
| 312 | } |
| 313 | |
| 314 | threshold := int(ratio * 100) |
| 315 | left := max(threshold-pct, 0) |
| 316 | ctxColor := activeCLITheme.muted |
| 317 | compactColor := activeCLITheme.muted |
| 318 | switch { |
| 319 | case pct >= threshold: |
| 320 | // Preserve two levels of urgency from the selected design: context is a |
| 321 | // warning, while the exhausted compaction headroom is the actual danger. |
| 322 | ctxColor = activeCLITheme.warn |
| 323 | compactColor = activeCLITheme.danger |
| 324 | case left <= 10: |
| 325 | ctxColor = activeCLITheme.warn |
| 326 | compactColor = activeCLITheme.warn |
| 327 | } |
| 328 | return []string{ |
| 329 | footerMetric(i18n.M.ChatStatusContextLabel, themeFg(ctxColor, ctxValue)), |
| 330 | footerMetric(i18n.M.ChatStatusCompactLabel, themeFg(compactColor, fmt.Sprintf("%d%%", left))), |
| 331 | } |
| 332 | } |
| 333 | |
| 334 | // statusTelemetryGroups returns independently placeable session metrics. Git is |
| 335 | // intentionally excluded because it owns the flexible identity slot; keeping |
| 336 | // metrics separate lets narrow layouts wrap only between semantic groups. |
| 337 | func (m chatTUI) statusTelemetryGroups() []string { |
| 338 | if m.statuslineCmd != "" && m.statuslineOut != "" { |
| 339 | return []string{m.statuslineOut} |
| 340 | } |
| 341 | var data []string |
| 342 | if m.ctrl != nil { |
| 343 | if body, rate, ok := m.cacheStatus(); ok { |
| 344 | data = append(data, footerMetric(i18n.M.ChatStatusCacheLabel, themeFg(cacheStatusColor(rate), body))) |
| 345 | } |
| 346 | used, window := m.ctrl.ContextSnapshot() |
| 347 | data = append(data, renderContextStatusGroups(used, window, m.ctrl.CompactRatio())...) |
| 348 | if jt := m.jobsTag(); jt != "" { |
| 349 | data = append(data, footerMetric(i18n.M.ChatStatusJobsLabel, footerInfo(ansi.Strip(jt)))) |
| 350 | } |
| 351 | } |
| 352 | if m.balance != "" { |
| 353 | data = append(data, footerMetric(i18n.M.ChatStatusBalanceLabel, footerValue(m.balance))) |
| 354 | } |
| 355 | if cost := m.sessionCostStatus(); cost != "" { |
| 356 | data = append(data, footerMetric(i18n.M.ChatStatusCostLabel, footerValue(cost))) |
| 357 | } |
| 358 | return data |
| 359 | } |
| 360 | |
| 361 | // renderStatusBlock owns the complete persistent footer layout. The optional |
| 362 | // data band is separated from interaction state when Git or telemetry exists; |
| 363 | // narrow screens add deliberate left-aligned rows only between semantic groups. |
| 364 | func (m chatTUI) renderStatusBlock(primary string, width int) string { |
| 365 | if width <= 0 { |
| 366 | width = 1 |
| 367 | } |
| 368 | primary = hideStatusHintWhenKeyNamesCannotFit(primary, width) |
| 369 | modelWork := m.statusModelWorkGroup(max(width-visibleWidth(statusFooterIndent), 1)) |
| 370 | first := layoutStatusSides(primary, modelWork, width) |
| 371 | second := m.layoutGitTelemetry(width) |
| 372 | if second == "" { |
| 373 | return first |
| 374 | } |
| 375 | return first + "\n" + statusFooterDivider(width) + "\n" + second |
| 376 | } |
| 377 | |
| 378 | // hideStatusHintWhenKeyNamesCannotFit keeps the readable Shift+Tab/Ctrl+Y |
| 379 | // spelling on normal terminals without hard-wrapping a single shortcut on an |
| 380 | // extremely narrow terminal. In that case the idle state remains visible and |
| 381 | // the optional shortcut help yields space to the composer. |
| 382 | func hideStatusHintWhenKeyNamesCannotFit(primary string, width int) string { |
| 383 | hint := i18n.M.ChatStatusCycleHintCompact |
| 384 | for group := range strings.SplitSeq(hint, " · ") { |
| 385 | if visibleWidth(statusFooterIndent+group) > width { |
| 386 | return strings.Replace(primary, " · "+footerHint(hint), "", 1) |
| 387 | } |
| 388 | } |
| 389 | return primary |
| 390 | } |
| 391 | |
| 392 | func statusFooterDivider(width int) string { |
| 393 | width = max(width, 1) |
| 394 | if width <= visibleWidth(statusFooterIndent) { |
| 395 | return themeFg(activeCLITheme.border, strings.Repeat("─", width)) |
| 396 | } |
| 397 | ruleWidth := width - visibleWidth(statusFooterIndent) |
| 398 | return statusFooterIndent + themeFg(activeCLITheme.border, strings.Repeat("─", ruleWidth)) |
| 399 | } |
| 400 | |
| 401 | func layoutStatusSides(left, right string, width int) string { |
| 402 | switch { |
| 403 | case right == "": |
| 404 | return wrapStatusGroups(left, width) |
| 405 | case left == "": |
| 406 | return rightAlignStatusGroup(right, width) |
| 407 | } |
| 408 | leftWidth := visibleWidth(left) |
| 409 | rightWidth := visibleWidth(right) |
| 410 | if leftWidth+statusFooterGroupGap+rightWidth <= width { |
| 411 | return left + strings.Repeat(" ", width-leftWidth-rightWidth) + right |
| 412 | } |
| 413 | // Once the two semantic halves no longer fit, switch layout deliberately: |
| 414 | // interaction groups wrap only at their separators, while model/work owns a |
| 415 | // new left-aligned row. This avoids the floating right-side orphan seen when |
| 416 | // a terminal crosses the medium-width breakpoint. |
| 417 | return wrapStatusGroups(left, width) + "\n" + statusFooterIndent + right |
| 418 | } |
| 419 | |
| 420 | func wrapStatusGroups(line string, width int) string { |
| 421 | if width <= 0 || line == "" || visibleWidth(line) <= width { |
| 422 | return line |
| 423 | } |
| 424 | groups := strings.Split(line, " · ") |
| 425 | if len(groups) < 2 { |
| 426 | return wrapStatusLine(line, width) |
| 427 | } |
| 428 | |
| 429 | var rows []string |
| 430 | current := groups[0] |
| 431 | for _, group := range groups[1:] { |
| 432 | candidate := current + " · " + group |
| 433 | if visibleWidth(candidate) <= width { |
| 434 | current = candidate |
| 435 | continue |
| 436 | } |
| 437 | rows = append(rows, wrapStatusLine(current, width)) |
| 438 | current = statusFooterIndent + group |
| 439 | } |
| 440 | rows = append(rows, wrapStatusLine(current, width)) |
| 441 | return strings.Join(rows, "\n") |
| 442 | } |
| 443 | |
| 444 | func rightAlignStatusGroup(group string, width int) string { |
| 445 | if group == "" { |
| 446 | return "" |
| 447 | } |
| 448 | if visibleWidth(group) <= width { |
| 449 | return strings.Repeat(" ", width-visibleWidth(group)) + group |
| 450 | } |
| 451 | return wrapStatusLine(group, width) |
| 452 | } |
| 453 | |
| 454 | func (m chatTUI) layoutGitTelemetry(width int) string { |
| 455 | telemetryGroups := m.statusTelemetryGroups() |
| 456 | telemetry := strings.Join(telemetryGroups, " ") |
| 457 | hasGit := strings.TrimSpace(m.gitStatus.Repo) != "" && strings.TrimSpace(m.gitStatus.Branch) != "" |
| 458 | if !hasGit { |
| 459 | // Without a Git identity there is no left-hand peer to balance. Keep the |
| 460 | // telemetry anchored to the normal footer indent instead of leaving a |
| 461 | // repo-sized visual hole across most of a wide terminal. |
| 462 | return packStatusGroups(telemetryGroups, width) |
| 463 | } |
| 464 | |
| 465 | fullGitBudget := max(width-visibleWidth(statusFooterIndent), 1) |
| 466 | git := m.gitStatus.RenderWithin(fullGitBudget, activeCLITheme.warn) |
| 467 | gitLine := statusFooterIndent + git |
| 468 | if telemetry == "" { |
| 469 | return gitLine |
| 470 | } |
| 471 | |
| 472 | telemetryWidth := visibleWidth(telemetry) |
| 473 | if visibleWidth(gitLine)+statusFooterGroupGap+telemetryWidth <= width { |
| 474 | return gitLine + strings.Repeat(" ", width-visibleWidth(gitLine)-telemetryWidth) + telemetry |
| 475 | } |
| 476 | |
| 477 | // Under width pressure Git gets its own full row instead of being shortened |
| 478 | // merely to keep telemetry beside it. Telemetry then packs left-to-right by |
| 479 | // semantic group, so no right-aligned fragment floats on a continuation row. |
| 480 | return gitLine + "\n" + packStatusGroups(telemetryGroups, width) |
| 481 | } |
| 482 | |
| 483 | func packStatusGroups(groups []string, width int) string { |
| 484 | width = max(width, 1) |
| 485 | if len(groups) == 0 { |
| 486 | return "" |
| 487 | } |
| 488 | indent := statusFooterIndent |
| 489 | if width <= visibleWidth(indent) { |
| 490 | indent = "" |
| 491 | } |
| 492 | |
| 493 | var rows []string |
| 494 | current := indent |
| 495 | for _, group := range groups { |
| 496 | if strings.TrimSpace(ansi.Strip(group)) == "" { |
| 497 | continue |
| 498 | } |
| 499 | candidate := current + group |
| 500 | if strings.TrimSpace(ansi.Strip(current)) != "" { |
| 501 | candidate = current + " " + group |
| 502 | } |
| 503 | if visibleWidth(candidate) <= width { |
| 504 | current = candidate |
| 505 | continue |
| 506 | } |
| 507 | if strings.TrimSpace(ansi.Strip(current)) != "" { |
| 508 | rows = append(rows, current) |
| 509 | } |
| 510 | current = indent + group |
| 511 | if visibleWidth(current) > width { |
| 512 | rows = append(rows, wrapStatusLine(current, width)) |
| 513 | current = indent |
| 514 | } |
| 515 | } |
| 516 | if strings.TrimSpace(ansi.Strip(current)) != "" { |
| 517 | rows = append(rows, current) |
| 518 | } |
| 519 | return strings.Join(rows, "\n") |
| 520 | } |
| 521 |