qitops 0.1.0

use crate::common::{TestConfig, TestResult, TestRunner};
use crate::error::Result;
use async_trait::async_trait;
use chrono::Utc;
use reqwest::Client;
use serde::{Deserialize, Serialize};
use std::time::{Duration, Instant};
use log::{info, warn};

#[derive(Debug, Serialize, Deserialize)]
pub struct WebTestConfig {
    #[serde(flatten)]
    pub base: TestConfig,
    pub target_url: String,
    pub viewport: Option<Viewport>,
    pub wait_for_selector: Option<String>,
    pub wait_timeout_secs: Option<u64>,
    pub screenshots: Option<bool>,
    pub assertions: Option<Vec<WebAssertion>>,
    pub actions: Option<Vec<WebAction>>,
    #[serde(default = "default_user_agent")]
    pub user_agent: String,
}

#[derive(Debug, Serialize, Deserialize)]
pub struct Viewport {
    pub width: u32,
    pub height: u32,
    pub device_scale_factor: Option<f64>,
    pub is_mobile: Option<bool>,
}

#[derive(Debug, Serialize, Deserialize)]
pub struct WebAssertion {
    pub assertion_type: String, // "title", "url", "element", "text", "attribute"
    pub selector: Option<String>,
    pub attribute: Option<String>,
    pub expected_value: String,
    pub comparison: Option<String>, // "equals", "contains", "startsWith", "endsWith", "matches"
}

#[derive(Debug, Serialize, Deserialize)]
pub struct WebAction {
    pub action_type: String, // "click", "type", "select", "wait", "navigate"
    pub selector: Option<String>,
    pub value: Option<String>,
    pub wait_time_ms: Option<u64>,
}

fn default_user_agent() -> String {
    "QitOps-WebTester/1.0".to_string()
}

pub struct WebTestRunner {
    client: Client,
    headless: bool,
    screenshot_dir: Option<String>,
}

impl WebTestRunner {
    pub fn new(headless: bool, screenshot_dir: Option<String>) -> Self {
        Self {
            client: Client::new(),
            headless,
            screenshot_dir,
        }
    }

    async fn run_web_test(&self, config: &WebTestConfig) -> Result<serde_json::Value> {
        // In a real implementation, this would use a headless browser like Chrome or Firefox
        // through a library like fantoccini, thirtyfour, or headless_chrome
        // For now, we'll simulate the web testing with basic HTTP requests

        // Log whether we're running in headless mode
        if self.headless {
            info!("Starting web test in headless mode for URL: {}", config.target_url);
        } else {
            info!("Starting web test with visible browser for URL: {}", config.target_url);
        }

        // Simulate browser navigation
        let response = self.client
            .get(&config.target_url)
            .header("User-Agent", &config.user_agent)
            .timeout(Duration::from_secs(config.wait_timeout_secs.unwrap_or(30)))
            .send()
            .await?;

        let status = response.status();
        let _headers = response.headers().clone();
        let body = response.text().await?;

        // Simulate assertions
        let mut assertion_results = Vec::new();
        if let Some(assertions) = &config.assertions {
            for assertion in assertions {
                let result = self.evaluate_assertion(assertion, &body, &config.target_url).await?;
                assertion_results.push(result);
            }
        }

        // Simulate actions
        let mut action_results = Vec::new();
        if let Some(actions) = &config.actions {
            for action in actions {
                let result = self.simulate_action(action, &config.target_url).await?;
                action_results.push(result);
            }
        }

        // Take screenshot (simulated)
        let screenshot_path = if config.screenshots.unwrap_or(false) {
            if let Some(dir) = &self.screenshot_dir {
                let timestamp = Utc::now().timestamp();
                let filename = format!("{}/screenshot_{}.png", dir, timestamp);

                // In a real implementation, we would use the headless browser to take a screenshot
                // The headless field would determine the browser mode
                if self.headless {
                    info!("Taking screenshot in headless mode");
                } else {
                    info!("Taking screenshot in visible browser mode");
                }

                Some(filename)
            } else {
                None
            }
        } else {
            None
        };

        Ok(serde_json::json!({
            "page_title": "Simulated Page Title",
            "status_code": status.as_u16(),
            "content_length": body.len(),
            "assertion_results": assertion_results,
            "action_results": action_results,
            "screenshot": screenshot_path,
        }))
    }

    async fn evaluate_assertion(&self, assertion: &WebAssertion, body: &str, url: &str) -> Result<serde_json::Value> {
        // In a real implementation, this would use browser APIs to evaluate assertions
        // For now, we'll simulate the assertion evaluation

        let (passed, details) = match assertion.assertion_type.as_str() {
            "title" => {
                // Simulate title check
                let simulated_title = "Simulated Page Title";
                let passed = match assertion.comparison.as_deref().unwrap_or("equals") {
                    "equals" => simulated_title == assertion.expected_value,
                    "contains" => simulated_title.contains(&assertion.expected_value),
                    "startsWith" => simulated_title.starts_with(&assertion.expected_value),
                    "endsWith" => simulated_title.ends_with(&assertion.expected_value),
                    "matches" => false, // Would use regex in real implementation
                    _ => false,
                };
                (passed, format!("Title: {}", simulated_title))
            },
            "url" => {
                // Check URL
                let passed = match assertion.comparison.as_deref().unwrap_or("equals") {
                    "equals" => url == assertion.expected_value,
                    "contains" => url.contains(&assertion.expected_value),
                    "startsWith" => url.starts_with(&assertion.expected_value),
                    "endsWith" => url.ends_with(&assertion.expected_value),
                    "matches" => false, // Would use regex in real implementation
                    _ => false,
                };
                (passed, format!("URL: {}", url))
            },
            "element" => {
                // Simulate element existence check
                let selector = assertion.selector.as_deref().unwrap_or("");
                let element_exists = body.contains(selector); // Very simplified simulation
                (element_exists, format!("Element with selector '{}' exists: {}", selector, element_exists))
            },
            "text" => {
                // Simulate text content check
                let text_exists = body.contains(&assertion.expected_value);
                (text_exists, format!("Text '{}' exists: {}", assertion.expected_value, text_exists))
            },
            _ => (false, "Unsupported assertion type".to_string()),
        };

        Ok(serde_json::json!({
            "type": assertion.assertion_type,
            "passed": passed,
            "details": details
        }))
    }

    async fn simulate_action(&self, action: &WebAction, url: &str) -> Result<serde_json::Value> {
        // In a real implementation, this would use browser APIs to perform actions
        // For now, we'll simulate the actions

        match action.action_type.as_str() {
            "click" => {
                let selector = action.selector.as_deref().unwrap_or("");
                info!("Simulating click on element with selector: {}", selector);
                Ok(serde_json::json!({
                    "type": "click",
                    "selector": selector,
                    "success": true
                }))
            },
            "type" => {
                let selector = action.selector.as_deref().unwrap_or("");
                let value = action.value.as_deref().unwrap_or("");
                info!("Simulating typing '{}' into element with selector: {}", value, selector);
                Ok(serde_json::json!({
                    "type": "type",
                    "selector": selector,
                    "value": value,
                    "success": true
                }))
            },
            "wait" => {
                let wait_time = action.wait_time_ms.unwrap_or(1000);
                info!("Simulating wait for {} ms", wait_time);
                tokio::time::sleep(Duration::from_millis(wait_time)).await;
                Ok(serde_json::json!({
                    "type": "wait",
                    "duration_ms": wait_time,
                    "success": true
                }))
            },
            "navigate" => {
                let target_url = action.value.as_deref().unwrap_or(url);
                info!("Simulating navigation to: {}", target_url);
                Ok(serde_json::json!({
                    "type": "navigate",
                    "url": target_url,
                    "success": true
                }))
            },
            _ => {
                warn!("Unsupported action type: {}", action.action_type);
                Ok(serde_json::json!({
                    "type": action.action_type,
                    "success": false,
                    "error": "Unsupported action type"
                }))
            }
        }
    }
}

#[async_trait]
impl TestRunner for WebTestRunner {
    async fn run(&self, config: &(impl serde::Serialize + Send + Sync)) -> Result<TestResult> {
        let config = serde_json::from_value::<WebTestConfig>(serde_json::to_value(config)?)?;
        let start = Instant::now();

        match self.run_web_test(&config).await {
            Ok(details) => {
                let duration = start.elapsed().as_secs_f64();

                // Check if all assertions passed
                let empty_vec = Vec::new();
                let assertions = details["assertion_results"].as_array().unwrap_or(&empty_vec);
                let all_assertions_passed = assertions.iter().all(|a| a["passed"].as_bool().unwrap_or(false));

                let status = if all_assertions_passed {
                    "passed".to_string()
                } else {
                    "failed".to_string()
                };

                Ok(TestResult {
                    name: config.base.name,
                    status,
                    duration,
                    details: Some(details),
                    timestamp: Utc::now().to_rfc3339(),
                })
            },
            Err(e) => {
                let duration = start.elapsed().as_secs_f64();
                Ok(TestResult {
                    name: config.base.name,
                    status: "error".to_string(),
                    duration,
                    details: Some(serde_json::json!({
                        "error": e.to_string()
                    })),
                    timestamp: Utc::now().to_rfc3339(),
                })
            }
        }
    }
}