package user

import (
	"nixcn-cms/internal/exception"
	"nixcn-cms/service/service_user"
	"nixcn-cms/utils"

	"github.com/gin-gonic/gin"
	"github.com/google/uuid"
)

// Update modifies the profile information for the currently authenticated user.
//
//	@Summary		Update User Information
//	@Description	Updates specific profile fields such as username, nickname, subtitle, avatar (URL), and bio (Base64).
//	@Description	Validation: Username (5-255 chars), Nickname (max 24 chars), Subtitle (max 32 chars).
//	@Tags			User
//	@Accept			json
//	@Produce		json
//	@Param			payload	body		service_user.UserInfoData	true	"Updated User Profile Data"
//	@Success		200		{object}	utils.RespStatus{data=nil}	"Successful profile update"
//	@Failure		400		{object}	utils.RespStatus{data=nil}	"Invalid Input (Validation Failed)"
//	@Failure		403		{object}	utils.RespStatus{data=nil}	"Missing User ID / Unauthorized"
//	@Failure		500		{object}	utils.RespStatus{data=nil}	"Internal Server Error (Database Error / UUID Parse Failed)"
//	@Security		ApiKeyAuth
//	@Router			/user/update [patch]
func (self *UserHandler) Update(c *gin.Context) {
	userIdOrig, ok := c.Get("user_id")
	if !ok {
		errorCode := new(exception.Builder).
			SetStatus(exception.StatusUser).
			SetService(exception.ServiceUser).
			SetEndpoint(exception.EndpointUserServiceUpdate).
			SetType(exception.TypeCommon).
			SetOriginal(exception.CommonErrorMissingUserId).
			Throw(c).
			String()
		utils.HttpResponse(c, 403, errorCode)
		return
	}

	userId, err := uuid.Parse(userIdOrig.(string))
	if err != nil {
		errorCode := new(exception.Builder).
			SetStatus(exception.StatusServer).
			SetService(exception.ServiceUser).
			SetEndpoint(exception.EndpointUserServiceUpdate).
			SetType(exception.TypeCommon).
			SetOriginal(exception.CommonErrorUuidParseFailed).
			Throw(c).
			String()
		utils.HttpResponse(c, 500, errorCode)
		return
	}

	userInfoPayload := &service_user.UserInfoPayload{
		Context: c,
		UserId:  userId,
	}

	err = c.ShouldBindJSON(&userInfoPayload.Data)
	if err != nil {
		errorCode := new(exception.Builder).
			SetStatus(exception.StatusUser).
			SetService(exception.ServiceUser).
			SetEndpoint(exception.EndpointUserServiceUpdate).
			SetType(exception.TypeCommon).
			SetOriginal(exception.CommonErrorInvalidInput).
			SetError(err).
			Throw(c).
			String()
		utils.HttpResponse(c, 400, errorCode)
		return
	}

	result := self.svc.UpdateUserInfo(userInfoPayload)

	if result.Common.Exception.Original != exception.CommonSuccess {
		utils.HttpResponse(c, result.Common.HttpCode, result.Common.Exception.String())
		return
	}

	utils.HttpResponse(c, result.Common.HttpCode, result.Common.Exception.String(), result.Data)
}