package auth

import "context"

type Actor struct {
	UserID             int64
	TenantID           int64
	PrimaryWorkspaceID int64
	Role               string
}

type actorKey struct{}
type currentWorkspaceIDKey struct{}
type currentBrandIDKey struct{}

func WithActor(ctx context.Context, actor Actor) context.Context {
	return context.WithValue(ctx, actorKey{}, actor)
}

func ActorFromCtx(ctx context.Context) (Actor, bool) {
	actor, ok := ctx.Value(actorKey{}).(Actor)
	return actor, ok
}

func MustActor(ctx context.Context) Actor {
	actor, ok := ActorFromCtx(ctx)
	if !ok {
		panic("auth: actor not in context")
	}
	return actor
}

func WithCurrentWorkspaceID(ctx context.Context, workspaceID int64) context.Context {
	return context.WithValue(ctx, currentWorkspaceIDKey{}, workspaceID)
}

func CurrentWorkspaceIDFromCtx(ctx context.Context) (int64, bool) {
	workspaceID, ok := ctx.Value(currentWorkspaceIDKey{}).(int64)
	if !ok || workspaceID <= 0 {
		return 0, false
	}
	return workspaceID, true
}

func CurrentWorkspaceID(ctx context.Context) int64 {
	if workspaceID, ok := CurrentWorkspaceIDFromCtx(ctx); ok {
		return workspaceID
	}
	actor, ok := ActorFromCtx(ctx)
	if !ok {
		return 0
	}
	return actor.PrimaryWorkspaceID
}

func WithCurrentBrandID(ctx context.Context, brandID int64) context.Context {
	return context.WithValue(ctx, currentBrandIDKey{}, brandID)
}

func CurrentBrandIDFromCtx(ctx context.Context) (int64, bool) {
	brandID, ok := ctx.Value(currentBrandIDKey{}).(int64)
	if !ok || brandID <= 0 {
		return 0, false
	}
	return brandID, true
}

func CurrentBrandID(ctx context.Context) int64 {
	if brandID, ok := CurrentBrandIDFromCtx(ctx); ok {
		return brandID
	}
	return 0
}