// 引入Redis和tokio用于异步操作
use redis::{aio::MultiplexedConnection, Client};
use tokio::net::TcpStream;
use tokio_postgres::{NoTlsStream, Row};

// 定义异步获取Redis连接的函数
async fn get_redis_connection(db: &tokio_postgres::Client) -> redis::RedisResult<MultiplexedConnection> {
    // 从数据库获取Redis连接字符串
    let row = db.query_one("SELECT redis_url FROM config WHERE key = 'redis_url'", &[])
        .await?;
    let redis_url: String = row.get(0);

    // 创建Redis客户端并获取连接
    Client::open(redis_url)?.get_multiplexed_connection().await
}

#[tokio::main]
async fn main() {
    // 创建PostgreSQL客户端
    let (client, connection) = tokio_postgres::connect("postgresql://localhost/my_database", NoTls).await.unwrap();
    tokio::spawn(async move {
        if let Err(e) = connection.await {
            eprintln!("postgres connection error: {}", e);
        }
    });

    // 创建TCP流用于Redis连接
    let tcp_stream = TcpStream::connect("127.0.0.1:6379").await.unwrap();

    // 获取Redis连接并使用
    let redis_conn = get_redis_connection(&client).await.unwrap();
    // 使用redis_conn进行Redis操作...
}

// 引入SQLite和zstd-sys库
extern crate sqlite3;
extern crate zstd_sys as ffi;

use sqlite3::{Connection, OpenFlags};
use std::ptr;
use std::os::raw::c_int;

// 定义zstd压缩算法
const ZSTD_COMPRESS2_TYPE_RAW: u32 = 1;

fn main() {
    // 打开或创建数据库
    let db = Connection::open_with_flags("test.db", OpenFlags::SQLITE_OPEN_CREATE | OpenFlags::SQLITE_OPEN_READ_WRITE);

    // 检查是否成功打开数据库
    match db {
        Ok(connection) => {
            // 执行zstd压缩示例代码
            let compressed_buffer_size = 100; // 假设这是压缩后的缓冲区大小
            let mut compressed_buffer = vec![0; compressed_buffer_size]; // 创建压缩缓冲区
            let original_data = b"Hello, SQLite ZSTD compression!"; // 原始数据

            unsafe {
                // 调用zstd_sys中的压缩函数
                let compressed_size = ffi::ZSTD_compress2(compressed_buffer.as_mut_ptr(),
                                                          compressed_buffer_size,
                                                          original_data.as_ptr() as *const _,
                                                          original_data.len(),
                                                          ZSTD_COMPRESS2_TYPE_RAW);

                if compressed_size > 0 {
                    // 成功压缩，此处可以将压缩后的数据写入数据库等操作
                    println!("Compressed size: {}", compressed_size);
                } else {
                    println!("Compression failed!");
                }
            }
        },
        Err(e) => {
            println!("An error occurred opening the database: {}", e);
        }
    }
}

// 引入SQLite库
use sqlite::{Connection, State};

fn main() {
    // 尝试打开数据库
    let db = Connection::open("test.db");

    // 检查数据库是否成功打开
    if let Ok(connection) = db {
        println!("数据库成功打开: {:?}", connection.state());
    } else {
        println!("数据库打开失败");
    }
}

use postgres_rust::{Postgres, Transaction};

fn main() {
    let pg = Postgres::new("postgresql://postgres@localhost/postgres");
    let mut t = pg.transaction().expect("could not start transaction");

    // 创建一个Rust函数
    t.execute(
        "CREATE FUNCTION rust_example(i INTEGER) RETURNS INTEGER AS $$
        let mut sum = 0;
        for i in 1..(i + 1) {
            sum += i;
        }
        sum
        $$ LANGUAGE rust",
    )
    .expect("failed to create function");

    // 调用这个Rust函数
    let result = t
        .query("SELECT rust_example(10)", &[])
        .expect("failed to execute function");

    for row in result {
        let value: i32 = row.get("rust_example");
        println!("The sum of numbers from 1 to 10 is: {}", value);
    }

    t.commit().expect("could not commit transaction");
}

use tauri::Command;

// 创建一个命令
let cmd = Command::new("event")
    .arg("hello")
    .arg("world");

// 发送到前端
cmd.emit_to(tauri::EventTarget::Window(window_label));

import { app } from '@tauri-apps/api';

// 监听事件
app.listen('event', (event) => {
  console.log(event); // 打印事件内容
});

flutter:
  assets:
    - assets/my_asset.png
  # 添加或修改以下行
  asset_bundle:
    # 指定base URL
    base_url: "https://your-custom-storage.com"

npm init vue@latest

cd your-vue-project
npm install @tauri-apps/cli
npx tauri init

import { setupTauri } from '@tauri-apps/setup';

setupTauri();

// ...你的 Vue 应用程序代码

npm run build

npm run tauri dev

git clone https://github.com/rustdesk/rustdesk.git
cd rustdesk