package handlers

import (
	"net/http"

	"git.keircn.com/keiran/termbox/internal/db"
	"github.com/labstack/echo/v4"
)

func HandleRoot(c echo.Context) error {
	return c.String(http.StatusOK, "Hello, World!")
}

func HandleRegister(c echo.Context) error {
	var req db.CreateUserRequest
	if err := c.Bind(&req); err != nil {
		return c.JSON(http.StatusBadRequest, map[string]string{"error": "Invalid request body"})
	}

	if req.Username == "" || req.Password == "" {
		return c.JSON(http.StatusBadRequest, map[string]string{"error": "Username and password are required"})
	}

	user, err := db.CreateUser(c.Request().Context(), req)
	if err != nil {
		return c.JSON(http.StatusConflict, map[string]string{"error": "Username already exists"})
	}

	return c.JSON(http.StatusCreated, map[string]any{
		"message": "User created successfully",
		"user":    user,
	})
}

func HandleLogin(c echo.Context) error {
	var req db.LoginRequest
	if err := c.Bind(&req); err != nil {
		return c.JSON(http.StatusBadRequest, map[string]string{"error": "Invalid request body"})
	}

	if req.Username == "" || req.Password == "" {
		return c.JSON(http.StatusBadRequest, map[string]string{"error": "Username and password are required"})
	}

	user, err := db.ValidateUserCredentials(c.Request().Context(), req.Username, req.Password)
	if err != nil {
		return c.JSON(http.StatusUnauthorized, map[string]string{"error": "Invalid credentials"})
	}

	return c.JSON(http.StatusOK, map[string]any{
		"message": "Login successful",
		"user":    user,
	})
}