Refactor camera feed handling to support dynamic camera IDs and improve context management

src/app/reducers/cameraFeedReducer.ts

@@ -1,47 +1,38 @@
 import type { CameraFeedAction, CameraFeedState, PaintedCell } from "../../types/types";
+import { CAMERA_IDS, DEFAULT_REGIONS, type CameraID } from "../config/cameraConfig";
 
 export const initialState: CameraFeedState = {
-  cameraFeedID: "A",
-  paintedCells: {
-    A: new Map<string, PaintedCell>(),
-    B: new Map<string, PaintedCell>(),
-    C: new Map<string, PaintedCell>(),
-  },
-  regionsByCamera: {
-    A: [
-      { name: "Bay 1", brushColour: "#ff0000" },
-      { name: "Bay 2", brushColour: "#00ff00" },
-      { name: "Bay 3", brushColour: "#0400ff" },
-      { name: "Bay 4", brushColour: "#ffff00" },
-      { name: "Bay 5", brushColour: "#fc35db" },
-    ],
-    B: [
-      { name: "Bay 1", brushColour: "#ff0000" },
-      { name: "Bay 2", brushColour: "#00ff00" },
-      { name: "Bay 3", brushColour: "#0400ff" },
-      { name: "Bay 4", brushColour: "#ffff00" },
-      { name: "Bay 5", brushColour: "#fc35db" },
-    ],
-    C: [
-      { name: "Bay 1", brushColour: "#ff0000" },
-      { name: "Bay 2", brushColour: "#00ff00" },
-      { name: "Bay 3", brushColour: "#0400ff" },
-      { name: "Bay 4", brushColour: "#ffff00" },
-      { name: "Bay 5", brushColour: "#fc35db" },
-    ],
-  },
+  cameraFeedID: CAMERA_IDS[0],
+  paintedCells: CAMERA_IDS.reduce(
+    (acc, id) => {
+      acc[id] = new Map<string, PaintedCell>();
+      return acc;
+    },
+    {} as Record<string, Map<string, PaintedCell>>,
+  ),
+  regionsByCamera: CAMERA_IDS.reduce(
+    (acc, id) => {
+      acc[id] = DEFAULT_REGIONS;
+      return acc;
+    },
+    {} as Record<string, { name: string; brushColour: string }[]>,
+  ),
 
   selectedRegionIndex: 0,
-  modeByCamera: {
-    A: "painter",
-    B: "painter",
-    C: "painter",
-  },
-  zoomLevel: {
-    A: 1,
-    B: 1,
-    C: 1,
-  },
+  modeByCamera: CAMERA_IDS.reduce(
+    (acc, id) => {
+      acc[id] = "painter";
+      return acc;
+    },
+    {} as Record<CameraID, string>,
+  ),
+  zoomLevel: CAMERA_IDS.reduce(
+    (acc, id) => {
+      acc[id] = 1;
+      return acc;
+    },
+    {} as Record<CameraID, number>,
+  ),
 };
 
 export function reducer(state: CameraFeedState, action: CameraFeedAction) {