import { Device, ReplicantError, ErrorCode } from "../types/index.js";
import type { AdbAdapter } from "../adapters/adb.js";
export class DeviceStateManager {
private currentDevice: Device | null = null;
getCurrentDevice(): Device | null {
return this.currentDevice;
}
setCurrentDevice(device: Device): void {
this.currentDevice = device;
}
clearCurrentDevice(): void {
this.currentDevice = null;
}
requireCurrentDevice(): Device {
if (!this.currentDevice) {
throw new ReplicantError(
ErrorCode.NO_DEVICE_SELECTED,
"No device selected",
"Call adb-device({ operation: 'list' }) to see available devices"
);
}
return this.currentDevice;
}
async ensureDevice(adb: AdbAdapter): Promise<Device> {
// Already selected? Use it.
if (this.currentDevice) {
return this.currentDevice;
}
// Try to auto-select
const devices = await adb.getDevices();
if (devices.length === 0) {
throw new ReplicantError(
ErrorCode.NO_DEVICES,
"No devices connected",
"Start an emulator with 'emulator-device start' or connect a USB device with debugging enabled"
);
}
if (devices.length === 1) {
this.currentDevice = devices[0];
return this.currentDevice;
}
// Multiple devices - user must choose
const deviceList = devices.map((d) => d.id).join(", ");
throw new ReplicantError(
ErrorCode.MULTIPLE_DEVICES,
`${devices.length} devices connected: ${deviceList}`,
`Call adb-device({ operation: 'select', deviceId: '...' }) to choose one`
);
}
autoSelectIfSingle(devices: Device[]): boolean {
if (devices.length === 1 && !this.currentDevice) {
this.currentDevice = devices[0];
return true;
}
return false;
}
}
