| 1 | import * as vscode from "vscode"; |
| 2 | import { listAgents } from "./agents"; |
| 3 | import { ChatViewProvider } from "./chatView"; |
| 4 | import { RegistryAgent } from "./catalog"; |
| 5 | import { |
| 6 | fetchCatalog, |
| 7 | installAgent, |
| 8 | installedKeys, |
| 9 | setDefaultAgent, |
| 10 | uninstallAgent |
| 11 | } from "./registry"; |
| 12 | |
| 13 | /** The always-available on-device agent; never removable. */ |
| 14 | const FALLBACK_AGENT_KEY = "sigit"; |
| 15 | |
| 16 | export function activate(context: vscode.ExtensionContext): void { |
| 17 | const provider = new ChatViewProvider(context); |
| 18 | |
| 19 | context.subscriptions.push( |
| 20 | vscode.window.registerWebviewViewProvider(ChatViewProvider.viewType, provider, { |
| 21 | webviewOptions: { retainContextWhenHidden: true } |
| 22 | }) |
| 23 | ); |
| 24 | |
| 25 | context.subscriptions.push( |
| 26 | vscode.commands.registerCommand("sigit.openChat", async () => { |
| 27 | await vscode.commands.executeCommand("sigit.chat.focus"); |
| 28 | provider.reveal(); |
| 29 | }), |
| 30 | vscode.commands.registerCommand("sigit.newSession", () => provider.newSession()), |
| 31 | vscode.commands.registerCommand("sigit.selectAgent", () => provider.selectAgent()), |
| 32 | vscode.commands.registerCommand("sigit.restartAgent", () => provider.restart()), |
| 33 | vscode.commands.registerCommand("sigit.browseRegistry", () => browseRegistry(context, provider)), |
| 34 | vscode.commands.registerCommand("sigit.refreshRegistry", () => refreshRegistry(context)), |
| 35 | vscode.commands.registerCommand("sigit.removeAgent", () => removeAgent(provider)) |
| 36 | ); |
| 37 | } |
| 38 | |
| 39 | export function deactivate(): void { |
| 40 | // Resources are tied to context.subscriptions and disposed automatically. |
| 41 | } |
| 42 | |
| 43 | /** Fetch the catalog, let the user pick an agent, and install it. */ |
| 44 | async function browseRegistry( |
| 45 | context: vscode.ExtensionContext, |
| 46 | provider: ChatViewProvider |
| 47 | ): Promise<void> { |
| 48 | let agents: RegistryAgent[]; |
| 49 | try { |
| 50 | const result = await vscode.window.withProgress( |
| 51 | { location: vscode.ProgressLocation.Notification, title: "Fetching ACP registry…" }, |
| 52 | () => fetchCatalog(context) |
| 53 | ); |
| 54 | agents = result.agents; |
| 55 | if (result.fromCache) { |
| 56 | void vscode.window.showWarningMessage( |
| 57 | `Showing cached registry — fetch failed: ${result.error}` |
| 58 | ); |
| 59 | } |
| 60 | } catch (err) { |
| 61 | void vscode.window.showErrorMessage(`Could not load the ACP registry: ${(err as Error).message}`); |
| 62 | return; |
| 63 | } |
| 64 | |
| 65 | if (agents.length === 0) { |
| 66 | void vscode.window.showInformationMessage("The ACP registry is empty."); |
| 67 | return; |
| 68 | } |
| 69 | |
| 70 | const installed = installedKeys(); |
| 71 | const tag = (agent: RegistryAgent): string => { |
| 72 | const parts: string[] = [agent.distribution]; |
| 73 | if (agent.version) { |
| 74 | parts.unshift(`v${agent.version}`); |
| 75 | } |
| 76 | if (agent.manualInstall) { |
| 77 | parts.push("manual install"); |
| 78 | } |
| 79 | if (installed.has(agent.key)) { |
| 80 | parts.push("installed"); |
| 81 | } |
| 82 | return parts.join(" · "); |
| 83 | }; |
| 84 | const picked = await vscode.window.showQuickPick( |
| 85 | agents.map((agent) => ({ |
| 86 | label: installed.has(agent.key) ? `$(check) ${agent.name}` : agent.name, |
| 87 | description: `${agent.key} · ${tag(agent)}`, |
| 88 | detail: agent.description ?? `${agent.command} ${agent.args.join(" ")}`.trim(), |
| 89 | agent |
| 90 | })), |
| 91 | { placeHolder: "Select an ACP agent to install", matchOnDescription: true, matchOnDetail: true } |
| 92 | ); |
| 93 | if (!picked) { |
| 94 | return; |
| 95 | } |
| 96 | |
| 97 | const agent = picked.agent; |
| 98 | if (!installed.has(agent.key)) { |
| 99 | const added = await installAgent(agent); |
| 100 | if (added && agent.manualInstall && agent.install) { |
| 101 | void vscode.window.showWarningMessage(`Installed "${agent.name}". ${agent.install}`); |
| 102 | } else if (added) { |
| 103 | void vscode.window.showInformationMessage( |
| 104 | `Installed "${agent.name}" — launches via ${agent.distribution}.` |
| 105 | ); |
| 106 | } |
| 107 | } else { |
| 108 | const update = "Update"; |
| 109 | const choice = await vscode.window.showInformationMessage( |
| 110 | `"${agent.name}" is already installed. Update its launch command from the registry?`, |
| 111 | update |
| 112 | ); |
| 113 | if (choice === update) { |
| 114 | await installAgent(agent, { overwrite: true }); |
| 115 | void vscode.window.showInformationMessage( |
| 116 | `Updated "${agent.name}"${agent.version ? ` to v${agent.version}` : ""}.` |
| 117 | ); |
| 118 | // A running client may hold the stale command; restart if it's the active one. |
| 119 | if (provider.currentAgentKey === agent.key) { |
| 120 | await provider.useAgent(agent.key); |
| 121 | } |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | await offerToUse(agent, provider); |
| 126 | } |
| 127 | |
| 128 | /** After install, offer to switch to the agent and/or make it the default. */ |
| 129 | async function offerToUse(agent: RegistryAgent, provider: ChatViewProvider): Promise<void> { |
| 130 | const useNow = "Use now"; |
| 131 | const setDefault = "Set as default"; |
| 132 | const choice = await vscode.window.showInformationMessage( |
| 133 | `Use "${agent.name}"?`, |
| 134 | useNow, |
| 135 | setDefault |
| 136 | ); |
| 137 | if (choice === setDefault) { |
| 138 | await setDefaultAgent(agent.key); |
| 139 | } |
| 140 | if (choice === useNow || choice === setDefault) { |
| 141 | await provider.useAgent(agent.key); |
| 142 | } |
| 143 | } |
| 144 | |
| 145 | /** Pick an installed agent and remove it from `sigit.agents`. */ |
| 146 | async function removeAgent(provider: ChatViewProvider): Promise<void> { |
| 147 | const removable = listAgents().filter((agent) => agent.key !== FALLBACK_AGENT_KEY); |
| 148 | if (removable.length === 0) { |
| 149 | void vscode.window.showInformationMessage( |
| 150 | "No removable agents — only the on-device siGit agent is registered." |
| 151 | ); |
| 152 | return; |
| 153 | } |
| 154 | |
| 155 | const picked = await vscode.window.showQuickPick( |
| 156 | removable.map((agent) => ({ |
| 157 | label: agent.name, |
| 158 | description: agent.key, |
| 159 | detail: `${agent.command} ${agent.args.join(" ")}`.trim(), |
| 160 | key: agent.key |
| 161 | })), |
| 162 | { placeHolder: "Select an agent to remove from your configuration" } |
| 163 | ); |
| 164 | if (!picked) { |
| 165 | return; |
| 166 | } |
| 167 | |
| 168 | const confirm = "Remove"; |
| 169 | const choice = await vscode.window.showWarningMessage( |
| 170 | `Remove "${picked.label}" from your agent registry? This only unregisters it; no files are deleted.`, |
| 171 | { modal: true }, |
| 172 | confirm |
| 173 | ); |
| 174 | if (choice !== confirm) { |
| 175 | return; |
| 176 | } |
| 177 | |
| 178 | const wasActive = provider.currentAgentKey === picked.key; |
| 179 | const removed = await uninstallAgent(picked.key); |
| 180 | if (!removed) { |
| 181 | void vscode.window.showWarningMessage(`"${picked.label}" was not in the registry.`); |
| 182 | return; |
| 183 | } |
| 184 | void vscode.window.showInformationMessage(`Removed "${picked.label}".`); |
| 185 | // If the removed agent was the one running, fall back to the on-device default. |
| 186 | if (wasActive) { |
| 187 | await provider.useAgent(FALLBACK_AGENT_KEY); |
| 188 | } |
| 189 | } |
| 190 | |
| 191 | /** Force a fresh fetch of the registry and report how many agents are available. */ |
| 192 | async function refreshRegistry(context: vscode.ExtensionContext): Promise<void> { |
| 193 | try { |
| 194 | const result = await vscode.window.withProgress( |
| 195 | { location: vscode.ProgressLocation.Notification, title: "Refreshing ACP registry…" }, |
| 196 | () => fetchCatalog(context) |
| 197 | ); |
| 198 | if (result.fromCache) { |
| 199 | void vscode.window.showWarningMessage(`Registry refresh failed: ${result.error}`); |
| 200 | } else { |
| 201 | void vscode.window.showInformationMessage( |
| 202 | `ACP registry refreshed — ${result.agents.length} agent(s) available.` |
| 203 | ); |
| 204 | } |
| 205 | } catch (err) { |
| 206 | void vscode.window.showErrorMessage(`Could not refresh the ACP registry: ${(err as Error).message}`); |
| 207 | } |
| 208 | } |