| 1 | package cli |
| 2 | |
| 3 | // mcp_manager_view.go renders the /mcp manager overlay and its display strings. |
| 4 | |
| 5 | import ( |
| 6 | "fmt" |
| 7 | "strings" |
| 8 | |
| 9 | "reasonix/internal/config" |
| 10 | "reasonix/internal/mcpdiag" |
| 11 | ) |
| 12 | |
| 13 | func (m chatTUI) renderMCPManager() string { |
| 14 | if m.mcp == nil { |
| 15 | return "" |
| 16 | } |
| 17 | return m.mcp.render(m.width) |
| 18 | } |
| 19 | |
| 20 | func (p *mcpManager) render(width int) string { |
| 21 | w := max(viewWidth(width), 40) |
| 22 | switch p.stage { |
| 23 | case mcpStageDetail: |
| 24 | return managerContentPanelStyle(w).Render(p.renderDetail(w)) |
| 25 | case mcpStageTools: |
| 26 | return managerContentPanelStyle(w).Render(p.renderTools(w)) |
| 27 | case mcpStageLogs: |
| 28 | return managerContentPanelStyle(w).Render(p.renderLogs(w)) |
| 29 | case mcpStageConfirmRemove: |
| 30 | return managerContentPanelStyle(w).Render(p.renderConfirmRemove(w)) |
| 31 | case mcpStageConfirmClearAuth: |
| 32 | return managerContentPanelStyle(w).Render(p.renderConfirmClearAuth(w)) |
| 33 | default: |
| 34 | return managerContentPanelStyle(w).Render(p.renderList(w)) |
| 35 | } |
| 36 | } |
| 37 | |
| 38 | func (p *mcpManager) footerHint() string { |
| 39 | switch p.stage { |
| 40 | case mcpStageDetail: |
| 41 | return "↑/↓ navigate · r refresh · Enter to select · Esc to back" |
| 42 | case mcpStageTools, mcpStageLogs: |
| 43 | return "Esc to back" |
| 44 | case mcpStageConfirmRemove, mcpStageConfirmClearAuth: |
| 45 | return "Enter to select · y confirm · n cancel · Esc to back" |
| 46 | default: |
| 47 | if len(p.snapshot.servers) == 0 { |
| 48 | return "↑/↓ navigate · Enter to confirm · Esc to cancel" |
| 49 | } |
| 50 | return "↑/↓ navigate · r refresh · Enter for details · Esc to close" |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | func (p *mcpManager) renderList(width int) string { |
| 55 | var b strings.Builder |
| 56 | fmt.Fprintf(&b, "%s\n", viewHeader("Manage MCP servers")) |
| 57 | fmt.Fprintf(&b, "%s\n\n", viewMeta(fmt.Sprintf("%d servers", len(p.snapshot.servers)))) |
| 58 | if p.snapshot.err != "" { |
| 59 | fmt.Fprintf(&b, "%s\n\n", yellow("config: "+p.snapshot.err)) |
| 60 | } |
| 61 | if len(p.snapshot.servers) == 0 { |
| 62 | b.WriteString(viewMeta("No MCP servers configured. Use /mcp add <name> ... to add one.") + "\n\n") |
| 63 | return b.String() |
| 64 | } |
| 65 | start, end := visibleRange(len(p.snapshot.servers), p.sel, mcpListMaxRows) |
| 66 | if start > 0 { |
| 67 | fmt.Fprintf(&b, "%s\n", viewMeta(fmt.Sprintf("↑ %d more above", start))) |
| 68 | } |
| 69 | lastGroup := "" |
| 70 | for i := start; i < end; i++ { |
| 71 | s := p.snapshot.servers[i] |
| 72 | group := mcpServerGroupLabel(s) |
| 73 | if group != lastGroup { |
| 74 | if lastGroup != "" { |
| 75 | b.WriteByte('\n') |
| 76 | } |
| 77 | header := group |
| 78 | if group == "Global MCPs" && p.snapshot.configPath != "" { |
| 79 | header += " (" + p.snapshot.configPath + ")" |
| 80 | } |
| 81 | fmt.Fprintf(&b, " %s\n", bold(header)) |
| 82 | lastGroup = group |
| 83 | } |
| 84 | b.WriteString(p.renderListRow(i, s, width) + "\n") |
| 85 | } |
| 86 | if end < len(p.snapshot.servers) { |
| 87 | fmt.Fprintf(&b, "%s\n", viewMeta(fmt.Sprintf("↓ %d more below", len(p.snapshot.servers)-end))) |
| 88 | } |
| 89 | return strings.TrimRight(b.String(), "\n") |
| 90 | } |
| 91 | |
| 92 | func (p *mcpManager) renderListRow(i int, s mcpServerView, width int) string { |
| 93 | prefix := " " |
| 94 | if i == p.sel { |
| 95 | prefix = accent(" › ") |
| 96 | } |
| 97 | nameWidth := min(28, max(12, width/3)) |
| 98 | name := compactMiddle(s.Name, nameWidth) |
| 99 | status := mcpStatusLabel(s) |
| 100 | meta := fmt.Sprintf("%s · %s", status, countText(s.Tools, "tool")) |
| 101 | if s.Prompts > 0 { |
| 102 | meta += " · " + countText(s.Prompts, "prompt") |
| 103 | } |
| 104 | if s.Resources > 0 { |
| 105 | meta += " · " + countText(s.Resources, "resource") |
| 106 | } |
| 107 | if s.Transport != "" { |
| 108 | meta = s.Transport + " · " + meta |
| 109 | } |
| 110 | used := visibleWidth(prefix) + nameWidth + 3 |
| 111 | meta = viewCompactText(meta, viewBudget(width, used)) |
| 112 | name = padRight(name, nameWidth) |
| 113 | if i == p.sel { |
| 114 | name = bold(name) |
| 115 | } |
| 116 | return fmt.Sprintf("%s%s · %s", prefix, name, viewMeta(meta)) |
| 117 | } |
| 118 | |
| 119 | func (p *mcpManager) renderDetail(width int) string { |
| 120 | v, ok := p.selectedServer() |
| 121 | if !ok { |
| 122 | return "MCP server not found\n\n" + dim("Esc to back") |
| 123 | } |
| 124 | actions := mcpActionsFor(v, p.snapshot.configPath) |
| 125 | if p.action >= len(actions) { |
| 126 | p.action = max(0, len(actions)-1) |
| 127 | } |
| 128 | var b strings.Builder |
| 129 | fmt.Fprintf(&b, "%s MCP Server\n\n", bold(titleText(v.Name))) |
| 130 | writeMCPDetailField(&b, "Status", mcpStatusLabel(v)) |
| 131 | if auth := mcpAuthLabel(v); auth != "" { |
| 132 | writeMCPDetailField(&b, "Auth", auth) |
| 133 | } |
| 134 | writeMCPDetailField(&b, "Transport", fallbackText(v.Transport, "unknown")) |
| 135 | if v.BuiltIn { |
| 136 | writeMCPDetailField(&b, "Config location", "built-in") |
| 137 | } else if v.Source == config.MCPSourceProjectMCPJSON { |
| 138 | writeMCPDetailField(&b, "Config location", "current project .mcp.json") |
| 139 | } else if v.Source == config.MCPSourceProjectConfig { |
| 140 | writeMCPDetailField(&b, "Config location", "current project reasonix.toml") |
| 141 | } else { |
| 142 | loc := fallbackText(p.snapshot.configPath, "not saved") |
| 143 | if loc != "not saved" { |
| 144 | loc = viewCompactPath(loc, viewBudget(width, 18)) |
| 145 | } |
| 146 | writeMCPDetailField(&b, "Config location", loc) |
| 147 | } |
| 148 | writeMCPDetailField(&b, "Capabilities", mcpCapabilitiesText(v)) |
| 149 | writeMCPDetailField(&b, "Tools", countText(v.Tools, "tool")) |
| 150 | if line := mcpCommandLine(v); line != "" { |
| 151 | writeMCPDetailField(&b, mcpCommandLabel(v), viewCompactText(line, viewBudget(width, 18))) |
| 152 | } |
| 153 | if len(v.EnvKeys) > 0 { |
| 154 | writeMCPDetailField(&b, "Env", strings.Join(v.EnvKeys, ", ")) |
| 155 | } |
| 156 | if v.Error != "" { |
| 157 | writeMCPDetailField(&b, "Error", viewCompactText(v.Error, viewBudget(width, 18))) |
| 158 | } |
| 159 | b.WriteByte('\n') |
| 160 | if len(actions) == 0 { |
| 161 | b.WriteString(viewMeta("No actions available.") + "\n") |
| 162 | } else { |
| 163 | for i, a := range actions { |
| 164 | b.WriteString(rowLine(i == p.action, i+1, "", a.label, false) + "\n") |
| 165 | } |
| 166 | } |
| 167 | return strings.TrimRight(b.String(), "\n") |
| 168 | } |
| 169 | |
| 170 | func (p *mcpManager) renderTools(width int) string { |
| 171 | v, ok := p.selectedServer() |
| 172 | if !ok { |
| 173 | return "MCP server not found\n\n" + dim("Esc to back") |
| 174 | } |
| 175 | var b strings.Builder |
| 176 | fmt.Fprintf(&b, "%s tools\n\n", bold(v.Name)) |
| 177 | if len(v.ToolList) == 0 { |
| 178 | b.WriteString(viewMeta("Current connection did not return tool details.") + "\n") |
| 179 | } else { |
| 180 | limit := min(len(v.ToolList), mcpToolMaxRows) |
| 181 | for _, t := range v.ToolList[:limit] { |
| 182 | desc := t.Description |
| 183 | if t.SchemaError != "" { |
| 184 | desc = "unavailable: " + t.SchemaError |
| 185 | } |
| 186 | desc = viewCompactText(desc, viewBudget(width, 24)) |
| 187 | fmt.Fprintf(&b, " %-20s %s\n", t.Name, viewMeta(desc)) |
| 188 | } |
| 189 | if extra := len(v.ToolList) - limit; extra > 0 { |
| 190 | fmt.Fprintf(&b, "%s\n", viewMore(extra, "tools")) |
| 191 | } |
| 192 | } |
| 193 | return strings.TrimRight(b.String(), "\n") |
| 194 | } |
| 195 | |
| 196 | func (p *mcpManager) renderLogs(width int) string { |
| 197 | v, ok := p.selectedServer() |
| 198 | if !ok { |
| 199 | return "MCP server not found\n\n" + dim("Esc to back") |
| 200 | } |
| 201 | var b strings.Builder |
| 202 | fmt.Fprintf(&b, "%s logs\n\n", bold(v.Name)) |
| 203 | if strings.TrimSpace(v.Error) == "" { |
| 204 | b.WriteString(viewMeta("No failure log recorded for this MCP.") + "\n") |
| 205 | } else { |
| 206 | b.WriteString(viewProtectLines(v.Error, viewBudget(width, 2)) + "\n") |
| 207 | } |
| 208 | return strings.TrimRight(b.String(), "\n") |
| 209 | } |
| 210 | |
| 211 | func (p *mcpManager) renderConfirmRemove(width int) string { |
| 212 | v, ok := p.selectedServer() |
| 213 | if !ok { |
| 214 | return "MCP server not found\n\n" + dim("Esc to back") |
| 215 | } |
| 216 | var b strings.Builder |
| 217 | fmt.Fprintf(&b, "Remove MCP server %q?\n", v.Name) |
| 218 | b.WriteString(viewMeta("This removes it from Reasonix config. It cannot be undone from this panel.") + "\n\n") |
| 219 | b.WriteString(rowLine(p.confirm == 0, 1, "", "Confirm remove", false) + "\n") |
| 220 | b.WriteString(rowLine(p.confirm == 1, 2, "", "Cancel", false) + "\n") |
| 221 | return strings.TrimRight(b.String(), "\n") |
| 222 | } |
| 223 | |
| 224 | func (p *mcpManager) renderConfirmClearAuth(width int) string { |
| 225 | v, ok := p.selectedServer() |
| 226 | if !ok { |
| 227 | return "MCP server not found\n\n" + dim("Esc to back") |
| 228 | } |
| 229 | var b strings.Builder |
| 230 | fmt.Fprintf(&b, "Clear authentication for MCP server %q?\n", v.Name) |
| 231 | hint := "This removes local auth-like headers, environment values, and URL tokens; the server stays in config." |
| 232 | b.WriteString(viewMeta(viewCompactText(hint, viewBudget(width, 0))) + "\n\n") |
| 233 | b.WriteString(rowLine(p.confirm == 0, 1, "", "Confirm clear authentication", false) + "\n") |
| 234 | b.WriteString(rowLine(p.confirm == 1, 2, "", "Cancel", false) + "\n") |
| 235 | return strings.TrimRight(b.String(), "\n") |
| 236 | } |
| 237 | |
| 238 | func mcpActionsFor(v mcpServerView, configPath string) []mcpActionItem { |
| 239 | var out []mcpActionItem |
| 240 | managed := v.BuiltIn || v.Source == config.MCPSourcePluginPackage |
| 241 | if v.Tools > 0 || len(v.ToolList) > 0 { |
| 242 | out = append(out, mcpActionItem{mcpActionViewTools, "View tools"}) |
| 243 | } |
| 244 | if v.Status == "failed" { |
| 245 | if mcpAuthStatus(v) == mcpdiag.AuthRequired { |
| 246 | out = append(out, mcpActionItem{mcpActionAuth, "Authenticate"}) |
| 247 | } else { |
| 248 | out = append(out, mcpActionItem{mcpActionConnect, "Retry"}) |
| 249 | } |
| 250 | if mcpCanClearAuth(v) { |
| 251 | out = append(out, mcpActionItem{mcpActionClearAuth, "Clear authentication"}) |
| 252 | } |
| 253 | out = appendMCPFailureSecondaryActions(out, v, configPath) |
| 254 | return out |
| 255 | } |
| 256 | switch v.Status { |
| 257 | case "connected": |
| 258 | out = append(out, mcpActionItem{mcpActionConnect, "Reconnect"}) |
| 259 | case "deferred": |
| 260 | out = append(out, mcpActionItem{mcpActionConnect, "Reconnect"}) |
| 261 | case "disabled": |
| 262 | out = append(out, mcpActionItem{mcpActionConnect, "Enable and connect"}) |
| 263 | } |
| 264 | out = appendMCPConfigActions(out, v, configPath) |
| 265 | if mcpCanClearAuth(v) { |
| 266 | out = append(out, mcpActionItem{mcpActionClearAuth, "Clear authentication"}) |
| 267 | } |
| 268 | if v.Status != "disabled" { |
| 269 | out = append(out, mcpActionItem{mcpActionDisable, "Disable for this session"}) |
| 270 | } |
| 271 | if !managed { |
| 272 | out = append(out, mcpActionItem{mcpActionRemove, "Remove server"}) |
| 273 | } |
| 274 | return out |
| 275 | } |
| 276 | |
| 277 | func appendMCPFailureSecondaryActions(out []mcpActionItem, v mcpServerView, configPath string) []mcpActionItem { |
| 278 | managed := v.BuiltIn || v.Source == config.MCPSourcePluginPackage |
| 279 | if strings.TrimSpace(v.Error) != "" { |
| 280 | out = append(out, mcpActionItem{mcpActionLogs, "View logs"}) |
| 281 | } |
| 282 | out = appendMCPConfigActions(out, v, configPath) |
| 283 | if v.Status != "disabled" { |
| 284 | out = append(out, mcpActionItem{mcpActionDisable, "Disable for this session"}) |
| 285 | } |
| 286 | if !managed { |
| 287 | out = append(out, mcpActionItem{mcpActionRemove, "Remove server"}) |
| 288 | } |
| 289 | return out |
| 290 | } |
| 291 | |
| 292 | func appendMCPConfigActions(out []mcpActionItem, v mcpServerView, configPath string) []mcpActionItem { |
| 293 | if v.Configured { |
| 294 | path := mcpConfigPathForView(v, configPath) |
| 295 | if !v.BuiltIn && v.Source != config.MCPSourcePluginPackage && path != "" { |
| 296 | out = append(out, mcpActionItem{mcpActionEdit, "Edit config"}) |
| 297 | } |
| 298 | } |
| 299 | return out |
| 300 | } |
| 301 | |
| 302 | func mcpConfigPathForView(v mcpServerView, fallback string) string { |
| 303 | if path := strings.TrimSpace(v.ConfigPath); path != "" { |
| 304 | return path |
| 305 | } |
| 306 | return strings.TrimSpace(fallback) |
| 307 | } |
| 308 | |
| 309 | func writeMCPDetailField(b *strings.Builder, label, value string) { |
| 310 | if strings.TrimSpace(value) == "" { |
| 311 | return |
| 312 | } |
| 313 | fmt.Fprintf(b, "%-16s %s\n", label+":", value) |
| 314 | } |
| 315 | |
| 316 | func mcpStatusLabel(v mcpServerView) string { |
| 317 | switch { |
| 318 | case v.Status == "connected": |
| 319 | return green("✓ connected") |
| 320 | case v.Status == "failed" && mcpAuthStatus(v) == mcpdiag.AuthRequired: |
| 321 | return yellow("⚠ needs authentication") |
| 322 | case v.Status == "failed": |
| 323 | return red("✕ failed") |
| 324 | case v.Status == "deferred": |
| 325 | return "○ preparing in background" |
| 326 | case v.Status == "initializing": |
| 327 | return "◌ connecting..." |
| 328 | case v.Status == "disabled": |
| 329 | return "○ disabled" |
| 330 | default: |
| 331 | return viewMeta("unknown") |
| 332 | } |
| 333 | } |
| 334 | |
| 335 | func mcpServerGroupLabel(v mcpServerView) string { |
| 336 | switch mcpServerGroupRank(v) { |
| 337 | case 0: |
| 338 | return "Managed MCPs" |
| 339 | case 1: |
| 340 | return "Project MCPs" |
| 341 | default: |
| 342 | return "Global MCPs" |
| 343 | } |
| 344 | } |
| 345 | |
| 346 | func mcpAuthLabel(v mcpServerView) string { |
| 347 | switch { |
| 348 | case v.Status == "connected": |
| 349 | return green("✓ authenticated") |
| 350 | case mcpAuthStatus(v) == mcpdiag.AuthRequired: |
| 351 | return red("✕ not authenticated") |
| 352 | case mcpAuthStatus(v) == mcpdiag.AuthPossible: |
| 353 | return yellow("may need authorization") |
| 354 | default: |
| 355 | return "" |
| 356 | } |
| 357 | } |
| 358 | |
| 359 | func mcpCapabilitiesText(v mcpServerView) string { |
| 360 | var caps []string |
| 361 | if v.HasTools || v.Tools > 0 { |
| 362 | caps = append(caps, "tools") |
| 363 | } |
| 364 | if v.Prompts > 0 { |
| 365 | caps = append(caps, "prompts") |
| 366 | } |
| 367 | if v.Resources > 0 { |
| 368 | caps = append(caps, "resources") |
| 369 | } |
| 370 | if len(caps) == 0 { |
| 371 | return "none" |
| 372 | } |
| 373 | return strings.Join(caps, ", ") |
| 374 | } |
| 375 | |
| 376 | func mcpCommandLabel(v mcpServerView) string { |
| 377 | if v.Transport == "http" || v.Transport == "sse" { |
| 378 | return "URL" |
| 379 | } |
| 380 | return "Command" |
| 381 | } |
| 382 | |
| 383 | func mcpCommandLine(v mcpServerView) string { |
| 384 | if v.Transport == "http" || v.Transport == "sse" { |
| 385 | return strings.TrimSpace(v.URL) |
| 386 | } |
| 387 | return strings.TrimSpace(v.Command + " " + strings.Join(v.Args, " ")) |
| 388 | } |
| 389 |