package service_user

import (
	"context"
	"nixcn-cms/data"
	"nixcn-cms/internal/exception"
	"nixcn-cms/service/shared"

	"github.com/google/uuid"
)

type UserInfoData struct {
	UserId          uuid.UUID `json:"user_id"`
	Email           string    `json:"email"`
	Username        *string   `json:"username"`
	Nickname        *string   `json:"nickname"`
	Subtitle        *string   `json:"subtitle"`
	Avatar          *string   `json:"avatar"`
	Bio             *string   `json:"bio"`
	PermissionLevel uint      `json:"permission_level"`
	AllowPublic     *bool     `json:"allow_public"`
}

type UserInfoPayload struct {
	Context context.Context
	UserId  uuid.UUID
	IsOther bool
	Data    *UserInfoData
}

type UserInfoResult struct {
	Common shared.CommonResult
	Data   *UserInfoData
}

// GetUserInfo
func (self *UserServiceImpl) GetUserInfo(payload *UserInfoPayload) (result *UserInfoResult) {
	var err error

	userData, err := new(data.User).
		GetByUserId(
			payload.Context,
			&payload.UserId,
		)

	if err != nil {
		exception := new(exception.Builder).
			SetStatus(exception.StatusUser).
			SetService(exception.ServiceUser).
			SetEndpoint(exception.EndpointUserServiceInfo).
			SetType(exception.TypeCommon).
			SetOriginal(exception.CommonErrorUserNotFound).
			SetError(err).
			Throw(payload.Context)

		result = &UserInfoResult{
			Common: shared.CommonResult{
				HttpCode:  404,
				Exception: exception,
			},
			Data: nil,
		}

		return
	}

	if payload.IsOther {
		if !userData.AllowPublic {
			exception := new(exception.Builder).
				SetStatus(exception.StatusUser).
				SetService(exception.ServiceUser).
				SetEndpoint(exception.EndpointUserServiceInfo).
				SetType(exception.TypeCommon).
				SetOriginal(exception.CommonErrorUserNotFound).
				SetError(err).
				Throw(payload.Context)

			result = &UserInfoResult{
				Common: shared.CommonResult{
					HttpCode:  404,
					Exception: exception,
				},
				Data: nil,
			}

			return
		}
	}

	exception := new(exception.Builder).
		SetStatus(exception.StatusUser).
		SetService(exception.ServiceUser).
		SetEndpoint(exception.EndpointUserServiceInfo).
		SetType(exception.TypeCommon).
		SetOriginal(exception.CommonSuccess).
		SetError(nil).
		Throw(payload.Context)

	result = &UserInfoResult{
		Common: shared.CommonResult{
			HttpCode:  200,
			Exception: exception,
		},
		Data: &UserInfoData{
			UserId:          userData.UserId,
			Email:           userData.Email,
			Username:        &userData.Username,
			Nickname:        &userData.Nickname,
			Subtitle:        &userData.Subtitle,
			Avatar:          &userData.Avatar,
			Bio:             &userData.Bio,
			PermissionLevel: userData.PermissionLevel,
			AllowPublic:     &userData.AllowPublic,
		},
	}

	return
}