buff/client-tauri/src-tauri/src/browser_automation.rs

// 暂时注释掉playwright依赖，后续再添加
// use playwright::Playwright;
// use playwright::api::Browser;
// use playwright::api::BrowserContext;
// use playwright::api::Page;
use std::collections::HashMap;
use serde::{Deserialize, Serialize};
use chrono::{DateTime, Utc};
use chrono_tz::Asia::Shanghai;

#[derive(Debug, Serialize, Deserialize)]
pub struct BrowserConfig {
    pub headless: bool,
    pub user_agent: String,
    pub viewport: ViewportSize,
    pub proxy: Option<ProxyConfig>,
}

#[derive(Debug, Serialize, Deserialize)]
pub struct ViewportSize {
    pub width: i32,
    pub height: i32,
}

#[derive(Debug, Serialize, Deserialize)]
pub struct ProxyConfig {
    pub server: String,
    pub username: Option<String>,
    pub password: Option<String>,
}

#[derive(Debug, Serialize, Deserialize)]
pub struct SteamCredentials {
    pub username: String,
    pub password: String,
    pub shared_secret: String,
}

#[allow(dead_code)]
pub struct BrowserManager {
    // 暂时简化实现，后续集成playwright
    initialized: bool,
    sessions: HashMap<String, BrowserSession>,
}

#[derive(Debug)]
pub struct BrowserSession {
    #[allow(dead_code)]
    session_id: String,
    #[allow(dead_code)]
    created_at: std::time::SystemTime,
}

impl BrowserManager {
    pub async fn new() -> Result<Self, Box<dyn std::error::Error>> {
        // 暂时简化实现
        println!("BrowserManager initialized (simplified version)");

        Ok(BrowserManager {
            initialized: true,
            sessions: HashMap::new(),
        })
    }

    /// 启动浏览器（安全的沙箱环境）
    pub async fn launch_browser(&mut self, config: BrowserConfig) -> Result<(), Box<dyn std::error::Error>> {
        // 暂时简化实现，模拟浏览器启动
        println!("Browser launched successfully (simplified version)");
        println!("Headless mode: {}", config.headless);
        println!("User agent: {}", config.user_agent);
        println!("Viewport: {}x{}", config.viewport.width, config.viewport.height);

        Ok(())
    }

    /// 创建Steam登录会话
    pub async fn create_steam_session(&mut self, session_id: &str, _credentials: SteamCredentials)
        -> Result<(), Box<dyn std::error::Error>> {

        // 暂时简化实现
        let session = BrowserSession {
            session_id: session_id.to_string(),
            created_at: std::time::SystemTime::now(),
        };

        self.sessions.insert(session_id.to_string(), session);
        println!("Steam session created: {}", session_id);

        Ok(())
    }

    /// Steam登录流程
    #[allow(dead_code)]
    pub async fn steam_login(&mut self, session_id: &str, credentials: &SteamCredentials)
        -> Result<(), Box<dyn std::error::Error>> {

        if self.sessions.contains_key(session_id) {
            println!("Steam login for session: {}", session_id);
            println!("Username: {}", credentials.username);
            // 模拟登录延迟
            tokio::time::sleep(tokio::time::Duration::from_millis(2000)).await;
            Ok(())
        } else {
            Err("Session not found".into())
        }
    }

    /// 执行扫货操作
    #[allow(dead_code)]
    pub async fn execute_shopping(&mut self, session_id: &str, target_items: Vec<String>)
        -> Result<(), Box<dyn std::error::Error>> {

        if self.sessions.contains_key(session_id) {
            println!("Executing shopping for session: {}", session_id);
            println!("Target items: {:?}", target_items);

            // 模拟扫货过程
            for item_url in target_items {
                println!("Processing item: {}", item_url);
                // 模拟延迟
                tokio::time::sleep(tokio::time::Duration::from_millis(1000)).await;
            }

            Ok(())
        } else {
            Err("Session not found".into())
        }
    }

    /// 生成Steam 2FA验证码
    #[allow(dead_code)]
    fn generate_steam_code(&self, shared_secret: &str) -> Result<String, Box<dyn std::error::Error>> {
        use base64::{Engine as _, engine::general_purpose};
        use hmac::{Hmac, Mac};
        use sha1::Sha1;

        let secret = general_purpose::STANDARD.decode(shared_secret)?;
        let time = std::time::SystemTime::now()
            .duration_since(std::time::UNIX_EPOCH)?
            .as_secs() / 30;

        let time_bytes = time.to_be_bytes();
        let mut time_buffer = [0u8; 8];
        time_buffer.copy_from_slice(&time_bytes[4..8]);

        let mut mac = Hmac::<Sha1>::new_from_slice(&secret)?;
        mac.update(&time_buffer);
        let result = mac.finalize().into_bytes();

        let offset = (result[19] & 0x0F) as usize;
        let mut code_bytes = [0u8; 4];
        code_bytes.copy_from_slice(&result[offset..offset + 4]);
        let code = u32::from_be_bytes(code_bytes);

        const STEAM_CHARS: &[u8] = b"23456789BCDFGHJKMNPQRTVWXY";
        let mut code_str = String::with_capacity(5);

        for i in 0..5 {
            let index = ((code >> (i * 5)) & 0x1F) as usize;
            code_str.push(STEAM_CHARS[index] as char);
        }

        Ok(code_str.chars().rev().collect())
    }

    /// 清理会话
    #[allow(dead_code)]
    pub async fn cleanup_session(&mut self, session_id: &str) -> Result<(), Box<dyn std::error::Error>> {
        self.sessions.remove(session_id);
        println!("Session cleaned up: {}", session_id);
        Ok(())
    }

    /// 关闭浏览器
    #[allow(dead_code)]
    pub async fn close(&mut self) -> Result<(), Box<dyn std::error::Error>> {
        self.sessions.clear();
        println!("Browser manager closed");
        Ok(())
    }
}

#[tauri::command]
pub async fn launch_browser_session(
    config: BrowserConfig,
    credentials: SteamCredentials
) -> Result<String, String> {
    let mut manager = BrowserManager::new().await
        .map_err(|e| format!("Failed to create browser manager: {}", e))?;

    manager.launch_browser(config).await
        .map_err(|e| format!("Failed to launch browser: {}", e))?;

    let session_id = format!("session_{}", Utc::now().with_timezone(&Shanghai).timestamp());

    manager.create_steam_session(&session_id, credentials).await
        .map_err(|e| format!("Failed to create session: {}", e))?;

    // 注意：在实际实现中，需要将manager存储在全局状态中
    // 这里只是演示代码

    Ok(session_id)
}

#[tauri::command]
pub async fn execute_automated_shopping(
    _session_id: String,
    _item_urls: Vec<String>
) -> Result<(), String> {
    // 从全局状态获取manager并执行操作
    // 实现细节取决于你的状态管理方案

    Ok(())
}