feat: add demo mode

src/dsp/dspApi.ts

@@ -0,0 +1,45 @@
+import { DSP, DSPTypes, AppPage } from '../types/types';
+import { SetDsps, NotifyFn } from './dspShared';
+import { forDSP408, create as createDSP408 } from './dsp408';
+import { DSP408Api } from './dsp408';
+// import { forDSP204 } from './dsp204';
+
+export type DSPInstance = { dsp: Extract<DSP, { type: 'DSP408' }>; api: DSP408Api };
+// | { dsp: Extract<DSP, { type: 'DSP204' }>; api: DSP408Api };
+
+export function createDSPInstance(dsp: DSP, setDsps: SetDsps, notify: NotifyFn): DSPInstance {
+  switch (dsp.type) {
+    case 'DSP408':
+      return { dsp, api: forDSP408(dsp, setDsps, notify) };
+    case 'DSP204':
+      throw new Error('DSP204 not yet implemented');
+  }
+}
+
+export async function addDSP(
+  setDsps: SetDsps,
+  setSelected: React.Dispatch<React.SetStateAction<number | null>>,
+  setPage: React.Dispatch<React.SetStateAction<AppPage>>,
+  notify: NotifyFn,
+  params: {
+    name: string;
+    type: DSPTypes;
+    ip: string;
+    port: number;
+    deviceId: number;
+    demo: boolean;
+  }
+) {
+  try {
+    const newDsp: DSP =
+      params.type === 'DSP408'
+        ? await createDSP408(params)
+        : await Promise.reject('DSP204 not implemented');
+
+    setDsps((prev) => [...prev, newDsp]);
+    setSelected(newDsp.id);
+    setPage('view-dsp');
+  } catch (err) {
+    notify(`Failed to add DSP: ${String(err)}`, 'error', params.name);
+  }
+}