/** 设备列表接口可能不返回或延迟返回 roomName，修改房间后写入本地覆盖，列表拉取后合并展示 */
const STORAGE_KEY = 'deviceRoomOverlay'

export function patchDeviceRoomInStorage(deviceId, roomId, roomName) {
	if (deviceId === undefined || deviceId === null || deviceId === '') return
	try {
		let map = {}
		const raw = uni.getStorageSync(STORAGE_KEY)
		if (raw) {
			map = typeof raw === 'string' ? JSON.parse(raw) : raw
		}
		if (!map || typeof map !== 'object') map = {}
		map[String(deviceId)] = {
			roomId,
			roomName: roomName != null ? String(roomName) : '',
			ts: Date.now()
		}
		uni.setStorageSync(STORAGE_KEY, JSON.stringify(map))
	} catch (e) {}
}

export function readDeviceRoomOverlayMap() {
	try {
		const raw = uni.getStorageSync(STORAGE_KEY)
		if (!raw) return {}
		return typeof raw === 'string' ? JSON.parse(raw) : raw
	} catch (e) {
		return {}
	}
}

/** 就地合并到行数据，保证首页能显示刚改过的房间名 */
export function mergeDeviceRoomOverlayIntoRows(rows) {
	if (!rows || !rows.length) return rows
	const map = readDeviceRoomOverlayMap()
	rows.forEach(d => {
		if (!d) return
		const sid = d.id != null ? String(d.id) : ''
		if (!sid || !map[sid]) return
		const o = map[sid]
		if (o.roomName) d.roomName = o.roomName
		if (o.roomId !== undefined && o.roomId !== null) d.roomId = o.roomId
	})
	return rows
}