terraphim_agent 1.16.11

//! Web operations module for Terraphim TUI
//!
//! This module provides web-based operations that execute in isolated VM environments,
//! allowing safe web scraping, API interactions, and browser automation without exposing
//! the host system to potential security risks.

#![allow(dead_code)]

use anyhow::Result;
use serde::{Deserialize, Serialize};
use std::collections::HashMap;

/// Web operation types supported by the VM sandbox
#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
pub enum WebOperationType {
    /// HTTP GET request to fetch web content
    HttpGet {
        url: String,
        headers: Option<HashMap<String, String>>,
    },
    /// HTTP POST request with JSON payload
    HttpPost {
        url: String,
        headers: Option<HashMap<String, String>>,
        body: String,
    },
    /// Web scraping with CSS selector
    WebScrape {
        url: String,
        selector: String,
        wait_for_element: Option<String>,
    },
    /// Screenshot capture of a web page
    Screenshot {
        url: String,
        width: Option<u32>,
        height: Option<u32>,
        full_page: Option<bool>,
    },
    /// PDF generation from web content
    PdfGeneration {
        url: String,
        page_size: Option<String>,
    },
    /// Form submission automation
    FormSubmit {
        url: String,
        form_data: HashMap<String, String>,
    },
    /// API interaction with rate limiting
    ApiInteraction {
        base_url: String,
        endpoints: Vec<String>,
        rate_limit_ms: Option<u64>,
    },
}

/// Web operation request
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct WebOperationRequest {
    pub operation: WebOperationType,
    pub vm_id: Option<String>,
    pub timeout_ms: Option<u64>,
    pub user_agent: Option<String>,
    pub proxy: Option<ProxyConfig>,
}

/// Proxy configuration for web operations
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ProxyConfig {
    pub host: String,
    pub port: u16,
    pub username: Option<String>,
    pub password: Option<String>,
}

/// Web operation execution result
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct WebOperationResult {
    pub operation_id: String,
    pub vm_id: String,
    pub operation_type: String,
    pub status: OperationStatus,
    pub result_data: WebResultData,
    pub metadata: OperationMetadata,
    pub error: Option<String>,
    pub started_at: String,
    pub completed_at: String,
}

/// Operation execution status
#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
pub enum OperationStatus {
    Pending,
    Running,
    Completed,
    Failed,
    Timeout,
    Cancelled,
}

/// Result data specific to the operation type
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(tag = "type")]
pub enum WebResultData {
    #[serde(rename = "http_response")]
    HttpResponse {
        status_code: u16,
        status_text: String,
        headers: HashMap<String, String>,
        body: String,
        content_type: String,
        content_length: u64,
    },
    #[serde(rename = "scraped_content")]
    ScrapedContent {
        elements: Vec<ScrapedElement>,
        page_title: String,
        page_url: String,
        scrape_duration_ms: u64,
    },
    #[serde(rename = "screenshot")]
    Screenshot {
        image_data: String, // Base64 encoded
        format: String,
        width: u32,
        height: u32,
        file_size_bytes: u64,
    },
    #[serde(rename = "pdf_data")]
    PdfData {
        pdf_data: String, // Base64 encoded
        filename: String,
        page_count: u32,
        file_size_bytes: u64,
    },
    #[serde(rename = "form_result")]
    FormResult {
        response_status: u16,
        response_headers: HashMap<String, String>,
        response_body: String,
        submitted_fields: Vec<String>,
    },
    #[serde(rename = "api_results")]
    ApiResults {
        results: Vec<ApiEndpointResult>,
        total_requests: u32,
        successful_requests: u32,
        failed_requests: u32,
        total_duration_ms: u64,
    },
}

/// Scraped element from web page
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ScrapedElement {
    pub selector: String,
    pub content: String,
    pub html: String,
    pub attributes: HashMap<String, String>,
    pub position: ElementPosition,
}

/// Element position on page
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ElementPosition {
    pub x: f64,
    pub y: f64,
    pub width: f64,
    pub height: f64,
}

/// API endpoint result
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ApiEndpointResult {
    pub endpoint: String,
    pub method: String,
    pub status_code: u16,
    pub response_time_ms: u64,
    pub response_body: String,
    pub success: bool,
}

/// Operation execution metadata
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct OperationMetadata {
    pub vm_id: String,
    pub user_id: Option<String>,
    pub session_id: Option<String>,
    pub execution_duration_ms: u64,
    pub network_requests_count: u32,
    pub data_transferred_bytes: u64,
    pub security_context: SecurityContext,
}

/// Security context for web operations
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct SecurityContext {
    pub allowed_domains: Vec<String>,
    pub blocked_domains: Vec<String>,
    pub max_response_size_mb: u32,
    pub max_execution_time_ms: u64,
    pub allow_javascript: bool,
    pub allow_cookies: bool,
    pub sandbox_enabled: bool,
}

/// Web operation configuration
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct WebOperationConfig {
    pub default_timeout_ms: u64,
    pub max_concurrent_operations: u32,
    pub security: SecurityContext,
    pub browser_settings: BrowserSettings,
}

/// Browser settings for web operations
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct BrowserSettings {
    pub user_agent: String,
    pub viewport_width: u32,
    pub viewport_height: u32,
    pub enable_javascript: bool,
    pub enable_images: bool,
    pub enable_css: bool,
    pub timezone: String,
}

impl Default for WebOperationConfig {
    fn default() -> Self {
        Self {
            default_timeout_ms: 30000, // 30 seconds
            max_concurrent_operations: 5,
            security: SecurityContext {
                allowed_domains: vec![
                    "https://httpbin.org".to_string(),
                    "https://jsonplaceholder.typicode.com".to_string(),
                    "https://api.github.com".to_string(),
                ],
                blocked_domains: vec!["malware.example.com".to_string()],
                max_response_size_mb: 10,
                max_execution_time_ms: 60000, // 1 minute
                allow_javascript: true,
                allow_cookies: false,
                sandbox_enabled: true,
            },
            browser_settings: BrowserSettings {
                user_agent: "Terraphim-TUI-WebBot/1.0".to_string(),
                viewport_width: 1920,
                viewport_height: 1080,
                enable_javascript: true,
                enable_images: true,
                enable_css: true,
                timezone: "UTC".to_string(),
            },
        }
    }
}

/// Builder for web operation requests
pub struct WebOperationBuilder {
    operation: WebOperationType,
    vm_id: Option<String>,
    timeout_ms: Option<u64>,
    user_agent: Option<String>,
    proxy: Option<ProxyConfig>,
}

impl WebOperationBuilder {
    pub fn new(operation: WebOperationType) -> Self {
        Self {
            operation,
            vm_id: None,
            timeout_ms: None,
            user_agent: None,
            proxy: None,
        }
    }

    pub fn vm_id(mut self, vm_id: impl Into<String>) -> Self {
        self.vm_id = Some(vm_id.into());
        self
    }

    pub fn timeout_ms(mut self, timeout_ms: u64) -> Self {
        self.timeout_ms = Some(timeout_ms);
        self
    }

    pub fn user_agent(mut self, user_agent: impl Into<String>) -> Self {
        self.user_agent = Some(user_agent.into());
        self
    }

    pub fn proxy(mut self, proxy: ProxyConfig) -> Self {
        self.proxy = Some(proxy);
        self
    }

    pub fn build(self) -> WebOperationRequest {
        WebOperationRequest {
            operation: self.operation,
            vm_id: self.vm_id,
            timeout_ms: self.timeout_ms,
            user_agent: self.user_agent,
            proxy: self.proxy,
        }
    }
}

impl WebOperationType {
    /// Create HTTP GET operation
    pub fn http_get(url: impl Into<String>) -> Self {
        Self::HttpGet {
            url: url.into(),
            headers: None,
        }
    }

    /// Create HTTP GET operation with custom headers
    pub fn http_get_with_headers(url: impl Into<String>, headers: HashMap<String, String>) -> Self {
        Self::HttpGet {
            url: url.into(),
            headers: Some(headers),
        }
    }

    /// Create HTTP POST operation
    pub fn http_post(url: impl Into<String>, body: impl Into<String>) -> Self {
        Self::HttpPost {
            url: url.into(),
            headers: None,
            body: body.into(),
        }
    }

    /// Create HTTP POST operation with custom headers
    pub fn http_post_with_headers(
        url: impl Into<String>,
        headers: HashMap<String, String>,
        body: impl Into<String>,
    ) -> Self {
        Self::HttpPost {
            url: url.into(),
            headers: Some(headers),
            body: body.into(),
        }
    }

    /// Create web scraping operation
    pub fn scrape(url: impl Into<String>, selector: impl Into<String>) -> Self {
        Self::WebScrape {
            url: url.into(),
            selector: selector.into(),
            wait_for_element: None,
        }
    }

    /// Create web scraping operation with wait condition
    pub fn scrape_with_wait(
        url: impl Into<String>,
        selector: impl Into<String>,
        wait_for_element: impl Into<String>,
    ) -> Self {
        Self::WebScrape {
            url: url.into(),
            selector: selector.into(),
            wait_for_element: Some(wait_for_element.into()),
        }
    }

    /// Create screenshot operation
    pub fn screenshot(url: impl Into<String>) -> Self {
        Self::Screenshot {
            url: url.into(),
            width: None,
            height: None,
            full_page: None,
        }
    }

    /// Create screenshot operation with custom dimensions
    pub fn screenshot_with_dimensions(url: impl Into<String>, width: u32, height: u32) -> Self {
        Self::Screenshot {
            url: url.into(),
            width: Some(width),
            height: Some(height),
            full_page: None,
        }
    }

    /// Create full page screenshot
    pub fn full_page_screenshot(url: impl Into<String>) -> Self {
        Self::Screenshot {
            url: url.into(),
            width: None,
            height: None,
            full_page: Some(true),
        }
    }

    /// Create PDF generation operation
    pub fn generate_pdf(url: impl Into<String>) -> Self {
        Self::PdfGeneration {
            url: url.into(),
            page_size: None,
        }
    }

    /// Create PDF generation with custom page size
    pub fn generate_pdf_with_page_size(
        url: impl Into<String>,
        page_size: impl Into<String>,
    ) -> Self {
        Self::PdfGeneration {
            url: url.into(),
            page_size: Some(page_size.into()),
        }
    }

    /// Create form submission operation
    pub fn submit_form(url: impl Into<String>, form_data: HashMap<String, String>) -> Self {
        Self::FormSubmit {
            url: url.into(),
            form_data,
        }
    }

    /// Create API interaction operation
    pub fn api_interaction(base_url: impl Into<String>, endpoints: Vec<impl Into<String>>) -> Self {
        Self::ApiInteraction {
            base_url: base_url.into(),
            endpoints: endpoints.into_iter().map(|e| e.into()).collect(),
            rate_limit_ms: None,
        }
    }

    /// Create API interaction with rate limiting
    pub fn api_interaction_with_rate_limit(
        base_url: impl Into<String>,
        endpoints: Vec<impl Into<String>>,
        rate_limit_ms: u64,
    ) -> Self {
        Self::ApiInteraction {
            base_url: base_url.into(),
            endpoints: endpoints.into_iter().map(|e| e.into()).collect(),
            rate_limit_ms: Some(rate_limit_ms),
        }
    }
}

/// Utility functions for web operations
pub mod utils {
    use super::*;

    /// Create common HTTP headers
    pub fn default_headers() -> HashMap<String, String> {
        let mut headers = HashMap::new();
        headers.insert("Accept".to_string(), "application/json".to_string());
        headers.insert(
            "User-Agent".to_string(),
            "Terraphim-TUI-WebBot/1.0".to_string(),
        );
        headers.insert("Accept-Language".to_string(), "en-US,en;q=0.9".to_string());
        headers
    }

    /// Create headers for form submission
    pub fn form_headers() -> HashMap<String, String> {
        let mut headers = default_headers();
        headers.insert(
            "Content-Type".to_string(),
            "application/x-www-form-urlencoded".to_string(),
        );
        headers
    }

    /// Create headers for JSON API calls
    pub fn json_headers() -> HashMap<String, String> {
        let mut headers = default_headers();
        headers.insert("Content-Type".to_string(), "application/json".to_string());
        headers
    }

    /// Validate URL format
    pub fn validate_url(url: &str) -> Result<()> {
        if url.is_empty() {
            anyhow::bail!("URL cannot be empty");
        }

        if !url.starts_with("http://") && !url.starts_with("https://") {
            anyhow::bail!("URL must start with http:// or https://");
        }

        // Basic URL validation
        let url_parser = reqwest::Url::parse(url);
        if url_parser.is_err() {
            anyhow::bail!("Invalid URL format: {}", url);
        }

        Ok(())
    }

    /// Extract domain from URL
    pub fn extract_domain(url: &str) -> Result<String> {
        let parsed_url =
            reqwest::Url::parse(url).map_err(|e| anyhow::anyhow!("Failed to parse URL: {}", e))?;

        Ok(parsed_url
            .host_str()
            .ok_or_else(|| anyhow::anyhow!("URL has no host"))?
            .to_string())
    }

    /// Generate unique operation ID
    pub fn generate_operation_id() -> String {
        use std::time::{SystemTime, UNIX_EPOCH};
        let timestamp = SystemTime::now()
            .duration_since(UNIX_EPOCH)
            .unwrap_or_default()
            .as_millis();

        format!("webop-{}", timestamp)
    }

    /// Estimate operation complexity
    pub fn estimate_complexity(operation: &WebOperationType) -> OperationComplexity {
        match operation {
            WebOperationType::HttpGet { .. } => OperationComplexity::Low,
            WebOperationType::HttpPost { .. } => OperationComplexity::Medium,
            WebOperationType::WebScrape { .. } => OperationComplexity::High,
            WebOperationType::Screenshot { .. } => OperationComplexity::High,
            WebOperationType::PdfGeneration { .. } => OperationComplexity::High,
            WebOperationType::FormSubmit { .. } => OperationComplexity::Medium,
            WebOperationType::ApiInteraction { endpoints, .. } => {
                if endpoints.len() > 5 {
                    OperationComplexity::High
                } else if endpoints.len() > 2 {
                    OperationComplexity::Medium
                } else {
                    OperationComplexity::Low
                }
            }
        }
    }
}

/// Operation complexity estimation
#[derive(Debug, Clone, PartialEq)]
pub enum OperationComplexity {
    Low,
    Medium,
    High,
}

impl OperationComplexity {
    /// Get recommended timeout in milliseconds
    pub fn recommended_timeout_ms(&self) -> u64 {
        match self {
            OperationComplexity::Low => 10000,    // 10 seconds
            OperationComplexity::Medium => 30000, // 30 seconds
            OperationComplexity::High => 60000,   // 60 seconds
        }
    }

    /// Get recommended retry count
    pub fn recommended_retries(&self) -> u32 {
        match self {
            OperationComplexity::Low => 2,
            OperationComplexity::Medium => 3,
            OperationComplexity::High => 5,
        }
    }
}