package auth

import (
	"furtuna-be/internal/constants/role"
	"net/http"

	"github.com/gin-gonic/gin"

	"furtuna-be/internal/common/errors"
	auth2 "furtuna-be/internal/handlers/request"
	"furtuna-be/internal/handlers/response"
	"furtuna-be/internal/services"
)

type AuthHandler struct {
	service services.Auth
}

func (a *AuthHandler) Route(group *gin.RouterGroup, jwt gin.HandlerFunc) {
	authRoute := group.Group("/auth")
	authRoute.POST("/login", a.AuthLogin)
}

func NewAuthHandler(service services.Auth) *AuthHandler {
	return &AuthHandler{
		service: service,
	}
}

// AuthLogin handles the authentication process for user login.
// @Summary User login
// @Description Authenticates a user based on the provided credentials and returns a JWT token.
// @Accept json
// @Produce json
// @Param bodyParam body auth2.LoginRequest true "User login credentials"
// @Success 200 {object} response.BaseResponse{data=response.LoginResponse} "Login successful"
// @Failure 400 {object} response.BaseResponse{data=errors.Error} "Bad request"
// @Failure 401 {object} response.BaseResponse{data=errors.Error} "Unauthorized"
// @Router /api/v1/auth/login [post]
// @Tags Auth Login API's
func (h *AuthHandler) AuthLogin(c *gin.Context) {
	var bodyParam auth2.LoginRequest
	if err := c.ShouldBindJSON(&bodyParam); err != nil {
		response.ErrorWrapper(c, errors.ErrorBadRequest)
		return
	}

	authUser, err := h.service.AuthenticateUser(c, bodyParam.Email, bodyParam.Password)
	if err != nil {
		response.ErrorWrapper(c, err)
		return
	}

	var partner *response.Partner

	if authUser.RoleID != role.SuperAdmin {
		partner = &response.Partner{
			ID:     authUser.PartnerID,
			Name:   authUser.PartnerName,
			Status: authUser.PartnerStatus,
		}
	}

	resp := response.LoginResponse{
		Token:   authUser.Token,
		Partner: partner,
		Name:    authUser.Name,
		Role: response.Role{
			ID:   int64(authUser.RoleID),
			Role: authUser.RoleName,
		},
	}

	c.JSON(http.StatusOK, response.BaseResponse{
		Success: true,
		Status:  http.StatusOK,
		Message: "Login Success",
		Data:    resp,
	})
}