chore: add custom cursor, add config system

src/lib/config.ts

@@ -0,0 +1,77 @@
+import {
+  BaseDirectory,
+  exists,
+  mkdir,
+  readFile,
+  readTextFile,
+  writeFile,
+} from '@tauri-apps/plugin-fs';
+import * as path from '@tauri-apps/api/path';
+import { invoke } from '@tauri-apps/api/core';
+import { Crypto } from './crypto';
+import { enc } from 'crypto-js';
+
+export class Config {
+  private config: Record<string, unknown> = {};
+  private crypto: Crypto | undefined;
+  private configFilePath: string | undefined;
+
+  async init() {
+    const hwid: string = (await invoke('get_hwid')) ?? 'recorderinsandybridge';
+
+    this.crypto = new Crypto(hwid);
+
+    const homeDir = await path.homeDir();
+    const folderPath = await path.join(homeDir, '.ezpplauncher');
+    this.configFilePath = await path.join(folderPath, 'user_settings');
+
+    const createFolder = !(await exists(folderPath));
+    if (createFolder) await mkdir(folderPath);
+
+    const createConfig = !(await exists(this.configFilePath));
+    if (createConfig) await this.save();
+    else await this.load();
+  }
+
+  private async load() {
+    if (!this.configFilePath) throw Error('configFilePath not set');
+    if (!this.crypto) throw Error('crypto not initialized');
+
+    const fileStream = await readTextFile(this.configFilePath);
+    try {
+      const decryptedJSON = JSON.parse(this.crypto.decrypt(fileStream)) as Record<string, unknown>;
+      this.config = decryptedJSON;
+      console.log('config file loaded');
+      console.log(JSON.stringify(this.config));
+    } catch (err) {
+      console.log('failed to read file');
+      this.config = {};
+      await this.save();
+    }
+  }
+
+  async save() {
+    if (!this.configFilePath) throw Error('configFilePath not set');
+    if (!this.crypto) throw Error('crypto not initialized');
+    const encryptedJSON = this.crypto.encrypt(JSON.stringify(this.config));
+
+    console.log(this.config);
+    console.log('saving file...');
+    console.log(encryptedJSON);
+    await writeFile(this.configFilePath, Buffer.from(encryptedJSON), {
+      append: false,
+    });
+  }
+
+  value(key: string) {
+    console.log(this.config);
+    return {
+      set: <T>(val: T) => {
+        this.config[key] = val;
+      },
+      get: <T>(fallback: T): T => {
+        return (this.config[key] as T) ?? fallback;
+      },
+    };
+  }
+}