Add CLI server and move UI to HTTP API

packages/cli/src/config/binaries.ts

@@ -0,0 +1,144 @@
+import {
+  BinaryCreateRequest,
+  BinaryRecord,
+  BinaryUpdateRequest,
+  BinaryValidationResult,
+} from "../api-types"
+import { ConfigStore } from "./store"
+import { EventBus } from "../events/bus"
+import type { ConfigFileUpdate } from "./schema"
+
+export class BinaryRegistry {
+  constructor(private readonly configStore: ConfigStore, private readonly eventBus?: EventBus) {}
+
+  list(): BinaryRecord[] {
+    return this.mapRecords()
+  }
+
+  resolveDefault(): BinaryRecord {
+    const binaries = this.mapRecords()
+    if (binaries.length === 0) {
+      return this.buildFallbackRecord("opencode")
+    }
+    return binaries.find((binary) => binary.isDefault) ?? binaries[0]
+  }
+
+  create(request: BinaryCreateRequest): BinaryRecord {
+    const entry = {
+      path: request.path,
+      version: undefined,
+      lastUsed: Date.now(),
+      label: request.label,
+    }
+
+    const config = this.configStore.get()
+    const deduped = config.opencodeBinaries.filter((binary) => binary.path !== request.path)
+
+    const update: ConfigFileUpdate = {
+      opencodeBinaries: [entry, ...deduped],
+    }
+
+    if (request.makeDefault) {
+      update.preferences = { lastUsedBinary: request.path }
+    }
+
+    this.configStore.update(update)
+    const record = this.getById(request.path)
+    this.emitChange()
+    return record
+  }
+
+  update(id: string, updates: BinaryUpdateRequest): BinaryRecord {
+    const config = this.configStore.get()
+    const updatedEntries = config.opencodeBinaries.map((binary) =>
+      binary.path === id ? { ...binary, label: updates.label ?? binary.label } : binary,
+    )
+
+    const update: ConfigFileUpdate = {
+      opencodeBinaries: updatedEntries,
+    }
+
+    if (updates.makeDefault) {
+      update.preferences = { lastUsedBinary: id }
+    }
+
+    this.configStore.update(update)
+    const record = this.getById(id)
+    this.emitChange()
+    return record
+  }
+
+  remove(id: string) {
+    const config = this.configStore.get()
+    const remaining = config.opencodeBinaries.filter((binary) => binary.path !== id)
+    const update: ConfigFileUpdate = { opencodeBinaries: remaining }
+
+    if (config.preferences.lastUsedBinary === id) {
+      update.preferences = { lastUsedBinary: remaining[0]?.path }
+    }
+
+    this.configStore.update(update)
+    this.emitChange()
+  }
+
+  validatePath(path: string): BinaryValidationResult {
+    return this.validateRecord({
+      id: path,
+      path,
+      label: this.prettyLabel(path),
+      isDefault: false,
+    })
+  }
+
+  private mapRecords(): BinaryRecord[] {
+    const config = this.configStore.get()
+    const configuredBinaries = config.opencodeBinaries.map<BinaryRecord>((binary) => ({
+      id: binary.path,
+      path: binary.path,
+      label: binary.label ?? this.prettyLabel(binary.path),
+      version: binary.version,
+      isDefault: false,
+    }))
+
+    const defaultPath = config.preferences.lastUsedBinary ?? configuredBinaries[0]?.path ?? "opencode"
+
+    const annotated = configuredBinaries.map((binary) => ({
+      ...binary,
+      isDefault: binary.path === defaultPath,
+    }))
+
+    if (!annotated.some((binary) => binary.path === defaultPath)) {
+      annotated.unshift(this.buildFallbackRecord(defaultPath))
+    }
+
+    return annotated
+  }
+
+  private getById(id: string): BinaryRecord {
+    return this.mapRecords().find((binary) => binary.id === id) ?? this.buildFallbackRecord(id)
+  }
+
+  private emitChange() {
+    this.eventBus?.publish({ type: "config.binariesChanged", binaries: this.mapRecords() })
+  }
+
+  private validateRecord(record: BinaryRecord): BinaryValidationResult {
+    // TODO: call actual binary -v check.
+    return { valid: true, version: record.version }
+  }
+
+  private buildFallbackRecord(path: string): BinaryRecord {
+    return {
+      id: path,
+      path,
+      label: this.prettyLabel(path),
+      isDefault: true,
+    }
+  }
+
+  private prettyLabel(path: string) {
+    const parts = path.split(/[\\/]/)
+    const last = parts[parts.length - 1] || path
+    return last || path
+  }
+}