109 lines
3.0 KiB
Swift
109 lines
3.0 KiB
Swift
import Foundation
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/// 设备命令服务：发送 JSON 命令（fire-and-forget，响应由协议层回调处理）
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final class DeviceInfoService {
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private let protocolService: BleProtocolService
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init(protocolService: BleProtocolService) {
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self.protocolService = protocolService
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}
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// MARK: - Commands
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func getDeviceInfo() throws {
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try protocolService.sendJSON(
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type: .getDeviceInfo,
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payload: CommandPayload(type: CommandType.getDeviceInfo.rawValue)
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)
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}
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func getDeviceVersion() throws {
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try protocolService.sendJSON(
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type: .getDeviceVersion,
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payload: CommandPayload(type: CommandType.getDeviceVersion.rawValue)
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)
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}
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func bindDevice(userId: String) throws {
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try protocolService.sendJSON(
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type: .bindDevice,
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payload: BindPayload(type: CommandType.bindDevice.rawValue, userId: userId, loop: nil)
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)
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}
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func unbindDevice(userId: String) throws {
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try protocolService.sendJSON(
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type: .unbindDevice,
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payload: BindPayload(type: CommandType.unbindDevice.rawValue, userId: userId, loop: nil)
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)
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}
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/// 切换播放模式（复用 BIND_DEVICE 命令字 0x0F，payload 携带 loop 字段）
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func setPlayMode(userId: String, loop: PlayMode) throws {
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try protocolService.sendJSON(
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type: .bindDevice,
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payload: BindPayload(
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type: CommandType.bindDevice.rawValue,
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userId: userId,
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loop: UInt8(loop.rawValue)
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)
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)
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}
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func deleteFile(key: String) throws {
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try protocolService.sendJSON(
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type: .deleteFile,
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payload: FileKeyPayload(type: CommandType.deleteFile.rawValue, key: key)
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)
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}
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func prepareTransfer(key: String, size: Int) throws {
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try protocolService.sendJSON(
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type: .prepareTransfer,
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payload: PrepareTransferPayload(
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type: CommandType.prepareTransfer.rawValue,
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key: key,
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size: size
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)
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)
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}
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}
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// MARK: - Command Payloads
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private struct CommandPayload: Encodable {
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let type: UInt8
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}
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/// 绑定 / 解绑 / 切模式 共用 payload。
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/// `loop == nil` 时严格省略该字段（不写 null），与 Expo 端 zod.optional 行为对齐。
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struct BindPayload: Encodable {
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let type: UInt8
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let userId: String
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let loop: UInt8?
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enum CodingKeys: String, CodingKey {
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case type, userId, loop
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}
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func encode(to encoder: Encoder) throws {
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var container = encoder.container(keyedBy: CodingKeys.self)
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try container.encode(type, forKey: .type)
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try container.encode(userId, forKey: .userId)
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if let loop = loop {
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try container.encode(loop, forKey: .loop)
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}
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}
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}
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private struct FileKeyPayload: Encodable {
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let type: UInt8
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let key: String
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}
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private struct PrepareTransferPayload: Encodable {
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let type: UInt8
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let key: String
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let size: Int
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}
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