package testutil

import (
	"fmt"
	"net/http"
	"net/http/httptest"
	"os"
	"path/filepath"
)

// StartTestsiteServer starts an HTTP server for the testsite directory
// and returns the server URL and a cleanup function
func StartTestsiteServer() (string, func(), error) {
	// Determine the absolute path to the testsite directory
	wd, err := os.Getwd()
	if err != nil {
		return "", nil, fmt.Errorf("failed to get working directory: %v", err)
	}

	// Navigate up to find the project root
	// This assumes the function is called from somewhere within the project
	projectRoot := wd
	for {
		if _, err := os.Stat(filepath.Join(projectRoot, "testsite")); err == nil {
			break // Found the testsite directory
		}
		parent := filepath.Dir(projectRoot)
		if parent == projectRoot {
			return "", nil, fmt.Errorf("testsite directory not found")
		}
		projectRoot = parent
	}

	testsitePath := filepath.Join(projectRoot, "testsite")
	if _, err := os.Stat(testsitePath); err != nil {
		return "", nil, fmt.Errorf("testsite directory not found: %v", err)
	}

	// Create a file server for the testsite directory
	fileServer := http.FileServer(http.Dir(testsitePath))

	// Create a test server to serve the testsite files
	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		fileServer.ServeHTTP(w, r)
	}))

	// Return the server URL and a cleanup function
	return server.URL, server.Close, nil
}

// GetTestsitePath returns the absolute path to the testsite directory
func GetTestsitePath() (string, error) {
	// Determine the absolute path to the testsite directory
	wd, err := os.Getwd()
	if err != nil {
		return "", fmt.Errorf("failed to get working directory: %v", err)
	}

	// Navigate up to find the project root
	// This assumes the function is called from somewhere within the project
	projectRoot := wd
	for {
		if _, err := os.Stat(filepath.Join(projectRoot, "testsite")); err == nil {
			break // Found the testsite directory
		}
		parent := filepath.Dir(projectRoot)
		if parent == projectRoot {
			return "", fmt.Errorf("testsite directory not found")
		}
		projectRoot = parent
	}

	testsitePath := filepath.Join(projectRoot, "testsite")
	if _, err := os.Stat(testsitePath); err != nil {
		return "", fmt.Errorf("testsite directory not found: %v", err)
	}

	return testsitePath, nil
}