package controllers

import (
	"net/http"

	"catalogue.midpdsa.com/src/modules/auth"
	"github.com/gin-gonic/gin"
)

type AuthController struct {
	service *auth.AuthService
}

func NewAuthController(service *auth.AuthService) *AuthController {
	return &AuthController{service: service}
}

type LoginRequest struct {
	Email    string `json:"email" binding:"required"`
	Password string `json:"password" binding:"required"`
}

type RegisterRequest struct {
	Email    string `json:"email" binding:"required,email"`
	Password string `json:"password" binding:"required,min=6"`
}

type UpdatePasswordRequest struct {
	Email       string `json:"email" binding:"required,email"`
	Password    string `json:"password" binding:"required"`
	NewPassword string `json:"new_password" binding:"required,min=6"`
}

func (ctrl *AuthController) Login(c *gin.Context) {
	var req LoginRequest
	if err := c.ShouldBindJSON(&req); err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
		return
	}

	token, err := ctrl.service.Login(c.Request.Context(), req.Email, req.Password)
	if err != nil {
		c.JSON(http.StatusUnauthorized, gin.H{"error": err.Error()})
		return
	}

	c.JSON(http.StatusOK, gin.H{"token": token})
}

func (ctrl *AuthController) Register(c *gin.Context) {
	var req RegisterRequest
	if err := c.ShouldBindJSON(&req); err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
		return
	}

	if err := ctrl.service.Register(c.Request.Context(), req.Email, req.Password); err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
		return
	}

	c.JSON(http.StatusCreated, gin.H{"message": "registration successful"})
}

func (ctrl *AuthController) UpdatePassword(c *gin.Context) {
	var req UpdatePasswordRequest
	if err := c.ShouldBindJSON(&req); err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
		return
	}

	if err := ctrl.service.ChangePassword(c.Request.Context(), req.Email, req.Password, req.NewPassword); err != nil {
		c.JSON(http.StatusUnauthorized, gin.H{"error": err.Error()})
		return
	}

	c.JSON(http.StatusOK, gin.H{"message": "password updated successfully"})
}