package auth

import (
	"git.apinb.com/bsm-sdk/core/middleware"
	"github.com/gin-gonic/gin"
)

const (
	ActorTypeUser    = "user"
	ActorTypeService = "service"

	actorContextKey = "files.auth.actor"
)

type Actor struct {
	Type     string
	ID       uint
	Identity string
}

func FromContext(ctx *gin.Context) (Actor, bool) {
	if actor, ok := ctx.Get(actorContextKey); ok {
		serviceActor, ok := actor.(Actor)
		if ok && serviceActor.Type == ActorTypeService && serviceActor.ID == 0 && serviceActor.Identity != "" {
			return serviceActor, true
		}
	}

	claims, err := middleware.ParseAuth(ctx)
	if err != nil || claims == nil || claims.ID == 0 || claims.Identity == "" {
		return Actor{}, false
	}

	return Actor{
		Type:     ActorTypeUser,
		ID:       claims.ID,
		Identity: claims.Identity,
	}, true
}

func withActor(ctx *gin.Context, actor Actor) {
	if actor.Type != ActorTypeService || actor.ID != 0 || actor.Identity == "" {
		return
	}
	ctx.Set(actorContextKey, actor)
}