package controllers

import "github.com/gofiber/fiber/v2"

// AuthController handles authentication-related requests.
type AuthController struct {
	// Add dependencies like a user service or session manager here
}

// NewAuthController creates a new instance of AuthController.
func NewAuthController() *AuthController {
	return &AuthController{}
}

// ShowLoginPage renders the login page.
// @Summary Show login page
// @Description Displays the user login form.
// @Tags auth
// @Produce html
// @Success 200 {string} html "Login page HTML"
// @Router /login [get]
func (ac *AuthController) ShowLoginPage(c *fiber.Ctx) error {
	return c.Render("pages/login", fiber.Map{
		"Title": "Login",
	})
}

// HandleLogin processes the login form submission.
// @Summary Process user login
// @Description Authenticates the user based on submitted credentials.
// @Tags auth
// @Accept x-www-form-urlencoded
// @Produce json
// @Param username formData string true "Username"
// @Param password formData string true "Password"
// @Success 302 "Redirects to dashboard on successful login"
// @Failure 400 {object} fiber.Map "Error for invalid input"
// @Failure 401 {object} fiber.Map "Error for authentication failure"
// @Router /login [post]
func (ac *AuthController) HandleLogin(c *fiber.Ctx) error {
	// username := c.FormValue("username")
	// password := c.FormValue("password")

	// TODO: Implement actual authentication logic here.
	// For now, we'll just simulate a successful login and redirect.
	// In a real app, you would:
	// 1. Validate username and password.
	// 2. Check credentials against a user store (e.g., database).
	// 3. Create a session or token.

	// Simulate successful login
	// c.Cookie(&fiber.Cookie{Name: "session_token", Value: "dummy_token", HttpOnly: true, SameSite: "Lax"})
	return c.Redirect("/") // Redirect to dashboard
}

// HandleLogout processes the logout request.
// @Summary Process user logout
// @Description Logs the user out by clearing their session.
// @Tags auth
// @Success 302 "Redirects to login page"
// @Router /logout [get]
func (ac *AuthController) HandleLogout(c *fiber.Ctx) error {
	// TODO: Implement actual logout logic here.
	// For now, we'll just simulate a logout and redirect.
	// In a real app, you would:
	// 1. Invalidate the session or token.
	// 2. Clear any session-related cookies.

	// c.ClearCookie("session_token")
	return c.Redirect("/login")
}