From 564e4e496b237a29383d724b9772d390a63aacd5 Mon Sep 17 00:00:00 2001
From: KingRainbow44 <kobedo11@gmail.com>
Date: Thu, 11 May 2023 22:52:09 -0400
Subject: [PATCH] Check if a command should be copied or HTTP should be used

---
 src/handbook/src/backend/commands.ts         | 23 ++++++++++
 src/handbook/src/backend/server.ts           |  7 ++-
 src/handbook/src/ui/components/TextState.tsx | 47 ++++++++++++++++++++
 src/handbook/src/ui/widgets/ItemCard.tsx     | 32 +++++++++----
 src/handbook/src/utils.ts                    | 10 +++++
 5 files changed, 110 insertions(+), 9 deletions(-)
 create mode 100644 src/handbook/src/backend/commands.ts
 create mode 100644 src/handbook/src/ui/components/TextState.tsx

diff --git a/src/handbook/src/backend/commands.ts b/src/handbook/src/backend/commands.ts
new file mode 100644
index 000000000..e7571d33c
--- /dev/null
+++ b/src/handbook/src/backend/commands.ts
@@ -0,0 +1,23 @@
+/**
+ * Validates a number.
+ *
+ * @param value The number to validate.
+ */
+function invalid(value: number): boolean {
+    return isNaN(value) || value < 0;
+}
+
+/**
+ * Generates a basic give command.
+ */
+function basicGive(item: number, amount = 1): string {
+    // Validate the numbers.
+    if (invalid(item) || invalid(amount))
+        return "Invalid arguments.";
+
+    return `/give ${item} x${amount}`;
+}
+
+export const give = {
+    basic: basicGive
+};
diff --git a/src/handbook/src/backend/server.ts b/src/handbook/src/backend/server.ts
index f317e73b5..7bf1240ee 100644
--- a/src/handbook/src/backend/server.ts
+++ b/src/handbook/src/backend/server.ts
@@ -1,6 +1,8 @@
 import type { CommandResponse } from "@backend/types";
+import emitter from "@backend/events";
 
 let targetPlayer = 0; // The UID of the target player.
+export let connected = false; // Whether the server is connected.
 
 /**
  * Sets the target player.
@@ -9,7 +11,10 @@ let targetPlayer = 0; // The UID of the target player.
  */
 export function setTargetPlayer(player: number): void {
     targetPlayer = player;
-    console.log(`Target Player is now: ${targetPlayer}`);
+    connected = !isNaN(player) && player > 0;
+
+    // Emit the connected event.
+    emitter.emit("connected", connected);
 }
 
 /**
diff --git a/src/handbook/src/ui/components/TextState.tsx b/src/handbook/src/ui/components/TextState.tsx
new file mode 100644
index 000000000..7ab52fcef
--- /dev/null
+++ b/src/handbook/src/ui/components/TextState.tsx
@@ -0,0 +1,47 @@
+import React from "react";
+
+import emitter from "@backend/events";
+
+interface IProps {
+    event: string;
+    text1: string;
+    text2: string;
+}
+
+interface IState {
+    state: boolean;
+}
+
+class TextState extends React.Component<IProps, IState> {
+    constructor(props: IProps) {
+        super(props);
+
+        this.state = {
+            state: false
+        };
+    }
+
+    /**
+     * Updates the current state.
+     * @private
+     */
+    private update(state: boolean): void {
+        this.setState({ state });
+    }
+
+    componentDidMount(): void {
+        emitter.on(this.props.event, this.update.bind(this));
+    }
+
+    componentWillUnmount(): void {
+        emitter.off(this.props.event, this.update);
+    }
+
+    render() {
+        return this.state.state ?
+            this.props.text2 :
+            this.props.text1;
+    }
+}
+
+export default TextState;
diff --git a/src/handbook/src/ui/widgets/ItemCard.tsx b/src/handbook/src/ui/widgets/ItemCard.tsx
index af42dd7fe..ff47ec9f2 100644
--- a/src/handbook/src/ui/widgets/ItemCard.tsx
+++ b/src/handbook/src/ui/widgets/ItemCard.tsx
@@ -1,9 +1,12 @@
 import React from "react";
 
+import TextState from "@components/TextState";
+
 import type { Item as ItemType, ItemInfo } from "@backend/types";
 import { itemTypeToString } from "@backend/types";
-import { itemIcon } from "@app/utils";
-import { giveItem } from "@backend/server";
+import { copyToClipboard, itemIcon } from "@app/utils";
+import { connected, giveItem } from "@backend/server";
+import { give } from "@backend/commands";
 
 import "@css/widgets/ItemCard.scss";
 
@@ -82,10 +85,17 @@ class ItemCard extends React.Component<IProps, IState> {
      * @private
      */
     private async addToInventory(): Promise<void> {
-        await giveItem(
-            this.props.item?.id ?? 102,
-            typeof this.state.count == "string" ? parseInt(this.state.count) : this.state.count
-        );
+        const item = this.props.item?.id ?? 102;
+        const amount = typeof this.state.count == "string" ?
+            parseInt(this.state.count) :
+            this.state.count;
+
+        if (connected) {
+            await giveItem(item, amount);
+        } else {
+            await copyToClipboard(
+                give.basic(item, amount));
+        }
     }
 
     componentDidUpdate(prevProps: Readonly<IProps>, prevState: Readonly<IState>, snapshot?: any) {
@@ -155,8 +165,14 @@ class ItemCard extends React.Component<IProps, IState> {
                         </div>
                     </div>
 
-                    <button className={"ItemCard_Submit"} onClick={this.addToInventory.bind(this)}>
-                        Add to Inventory
+                    <button className={"ItemCard_Submit"}
+                            onClick={this.addToInventory.bind(this)}
+                    >
+                        <TextState
+                            event={"connected"}
+                            text1={"Copy Command"}
+                            text2={"Add to Inventory"}
+                        />
                     </button>
                 </div>
             </div>
diff --git a/src/handbook/src/utils.ts b/src/handbook/src/utils.ts
index 5ec928217..39e2ca9cd 100644
--- a/src/handbook/src/utils.ts
+++ b/src/handbook/src/utils.ts
@@ -134,3 +134,13 @@ export async function fetchEntityData(entity: Entity): Promise<EntityInfo> {
         .then((res) => res.json())
         .catch(() => {});
 }
+
+/**
+ * Attempts to copy text to the clipboard.
+ * Uses the Clipboard API.
+ *
+ * @param text The text to copy.
+ */
+export async function copyToClipboard(text: string): Promise<void> {
+    await navigator.clipboard.writeText(text);
+}