Canvas: build application infrastructure with drag and drop

Change-Id: I5cfd12e67794f3376c5c025af29470d52d77cf16
diff --git a/apps/canvas/src/components/node-github.tsx b/apps/canvas/src/components/node-github.tsx
new file mode 100644
index 0000000..13b257b
--- /dev/null
+++ b/apps/canvas/src/components/node-github.tsx
@@ -0,0 +1,79 @@
+import { NodeRect } from './node-rect';
+import { GithubNode, nodeIsConnectable, nodeLabel, useStateStore } from '@/lib/state';
+import { useEffect, useMemo } from 'react';
+import { z } from "zod";
+import { DeepPartial, EventType, useForm } from 'react-hook-form';
+import { zodResolver } from '@hookform/resolvers/zod';
+import { Form, FormControl, FormField, FormItem, FormMessage } from './ui/form';
+import { Input } from './ui/input';
+import { Handle, Position } from "@xyflow/react";
+
+export function NodeGithub(node: GithubNode) {
+  const { id, selected } = node;
+  const isConnectable = useMemo(() => nodeIsConnectable(node, "repository"), [node]);
+  return (
+    <NodeRect id={id} selected={selected} type={node.type}>
+      <div style={{ padding: '10px 20px' }}>
+        {nodeLabel(node)}
+        <Handle
+          id="repository"
+          type={"source"}
+          position={Position.Right}
+          isConnectableStart={isConnectable}
+          isConnectableEnd={isConnectable}
+          isConnectable={isConnectable}
+         />
+      </div>
+    </NodeRect>
+  );
+}
+
+const schema = z.object({
+  address: z.string().min(1),
+});
+
+export function NodeGithubDetails(node: GithubNode) {
+  const { id, data } = node;
+  const store = useStateStore();
+  const form = useForm<z.infer<typeof schema>>({
+    resolver: zodResolver(schema),
+    mode: "onChange",
+    defaultValues: {
+      address: data.address,
+    }
+  });
+  useEffect(() => {
+    const sub = form.watch((value: DeepPartial<z.infer<typeof schema>>, { name, type }: { name?: keyof z.infer<typeof schema> | undefined, type?: EventType | undefined }) => {
+      if (type !== "change") {
+        return;
+      }
+      switch (name) {
+        case "address":
+          store.updateNodeData<"github">(id, {
+            address: value.address,
+          });
+          break;
+      }
+    });
+    return () => sub.unsubscribe();
+  }, [form, store]);
+  return (
+    <>
+      <Form {...form}>
+        <form className="space-y-2">
+          <FormField 
+            control={form.control}
+            name="address"
+            render={({ field }) => (
+              <FormItem>
+                <FormControl>
+                  <Input placeholder="address" className="border border-black" {...field} />
+                </FormControl>
+                <FormMessage />
+              </FormItem>
+            )}
+          />
+        </form>
+      </Form>
+    </>);
+}
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