// k6 Test Lifecycle
// Complete implementation of setup/teardown lifecycle

///| Lifecycle Functions

///|
/// Setup function that runs once before the test
/// Returns data that will be passed to the default function
pub type SetupFunction = () -> @core.Any

///|
/// Teardown function that runs once after the test
/// Receives the data returned from setup
pub type TeardownFunction = (@core.Any) -> Unit

///|
/// Default (VU) function that runs for each iteration
/// Receives the data returned from setup
pub type DefaultFunction = (@core.Any) -> Unit

///| Lifecycle Helpers

///|
/// Create a test with setup and teardown
pub struct Test {
  setup_data : @core.Any?
}

///|
/// Initialize test
pub fn Test::new() -> Test {
  { setup_data: None }
}

///|
/// Set setup data
pub fn Test::set_setup_data(_self : Test, data : @core.Any) -> Test {
  { setup_data: Some(data) }
}

///|
/// Get setup data
pub fn Test::get_setup_data(self : Test) -> @core.Any? {
  self.setup_data
}

///| Example Setup/Teardown Pattern

///|
/// Example: Setup database connection
pub fn setup_database() -> @core.Any {
  let config = @core.new_object()
  config["host"] = @core.any("localhost")
  config["port"] = @core.any(5432)
  config["database"] = @core.any("testdb")
  @core.any(config)
}

///|
/// Example: Teardown database connection
pub fn teardown_database(_data : @core.Any) -> Unit {
  // Clean up database connection
  ()
}

///| Data Sharing Between VUs

///|
/// Create shared data object for passing between lifecycle stages
pub fn create_shared_data() -> @core.Any {
  @core.new_object()
}

///|
/// Add value to shared data
pub fn add_to_shared_data(
  data : @core.Any,
  key : String,
  value : @core.Any
) -> Unit {
  data[key] = value
}

///|
/// Get value from shared data
pub fn get_from_shared_data(data : @core.Any, key : String) -> @core.Any {
  data[key]
}

///| Lifecycle Utilities

///|
/// Check if running in setup phase
pub fn is_setup_phase() -> Bool {
  // In k6, __ITER is not available in setup
  // We can use execution context to determine this
  false // Placeholder
}

///|
/// Check if running in teardown phase
pub fn is_teardown_phase() -> Bool {
  false // Placeholder
}

///|
/// Check if running in VU phase
pub fn is_vu_phase() -> Bool {
  true // Placeholder
}

///| Environment Setup Helpers

///|
/// Setup HTTP client configuration
pub fn setup_http_config() -> @core.Any {
  let config = @core.new_object()
  config["timeout"] = @core.any("30s")
  config["userAgent"] = @core.any("k6-moonbit/0.1.0")
  @core.any(config)
}

///|
/// Setup test data from file
pub fn setup_test_data_from_file(filename : String) -> @core.Any {
  let data = open(filename)
  // Parse data (would need JSON parsing in real implementation)
  @core.any(data)
}

///|
/// Setup test URLs
pub fn setup_test_urls(base_url : String) -> @core.Any {
  let urls = @core.new_object()
  urls["base"] = @core.any(base_url)
  urls["api"] = @core.any(base_url + "/api")
  urls["health"] = @core.any(base_url + "/health")
  @core.any(urls)
}

///| Teardown Utilities

///|
/// Log test summary in teardown
pub fn log_test_summary(_data : @core.Any) -> Unit {
  // Would log test results
  ()
}

///|
/// Clean up resources in teardown
pub fn cleanup_resources(_data : @core.Any) -> Unit {
  // Clean up any resources created during test
  ()
}

///| Setup Data Builders

///|
/// Builder for test configuration
pub struct TestSetup {
  base_url : String?
  timeout : String?
  credentials : @core.Any?
  test_data : @core.Any?
}

///|
/// Create new test setup builder
pub fn TestSetup::new() -> TestSetup {
  { base_url: None, timeout: None, credentials: None, test_data: None }
}

///|
/// Set base URL
pub fn TestSetup::base_url(self : TestSetup, url : String) -> TestSetup {
  { ..self, base_url: Some(url) }
}

///|
/// Set timeout
pub fn TestSetup::timeout(self : TestSetup, timeout : String) -> TestSetup {
  { ..self, timeout: Some(timeout) }
}

///|
/// Set credentials
pub fn TestSetup::credentials(
  self : TestSetup,
  username : String,
  password : String
) -> TestSetup {
  let creds = @core.new_object()
  creds["username"] = @core.any(username)
  creds["password"] = @core.any(password)
  { ..self, credentials: Some(@core.any(creds)) }
}

///|
/// Set test data
pub fn TestSetup::test_data(self : TestSetup, data : @core.Any) -> TestSetup {
  { ..self, test_data: Some(data) }
}

///|
/// Build setup data object
pub fn TestSetup::build(self : TestSetup) -> @core.Any {
  let obj = @core.new_object()

  match self.base_url {
    Some(url) => obj["baseUrl"] = @core.any(url)
    None => ()
  }

  match self.timeout {
    Some(t) => obj["timeout"] = @core.any(t)
    None => ()
  }

  match self.credentials {
    Some(c) => obj["credentials"] = c
    None => ()
  }

  match self.test_data {
    Some(d) => obj["testData"] = d
    None => ()
  }

  @core.any(obj)
}