package datastore

import (
	"encoding/json"
	"time"

	"github.com/lestrrat-go/jwx/v2/jwk"
	"github.com/pkg/errors"
)

type AgentID int64

type AgentStatus int

const (
	AgentStatusPending   AgentStatus = 0
	AgentStatusAccepted  AgentStatus = 1
	AgentStatusRejected  AgentStatus = 2
	AgentStatusForgotten AgentStatus = 3
)

type Agent struct {
	ID         AgentID             `json:"id"`
	Label      string              `json:"label"`
	Thumbprint string              `json:"thumbprint"`
	KeySet     *SerializableKeySet `json:"keyset,omitempty"`
	Metadata   map[string]any      `json:"metadata,omitempty"`
	Status     AgentStatus         `json:"status"`
	CreatedAt  time.Time           `json:"createdAt"`
	UpdatedAt  time.Time           `json:"updatedAt"`
}

type SerializableKeySet struct {
	jwk.Set
}

func (s *SerializableKeySet) UnmarshalJSON(data []byte) error {
	keySet := jwk.NewSet()

	if err := json.Unmarshal(data, &keySet); err != nil {
		return errors.WithStack(err)
	}

	s.Set = keySet

	return nil
}

func (s *SerializableKeySet) MarshalJSON() ([]byte, error) {
	data, err := json.Marshal(s.Set)
	if err != nil {
		return nil, errors.WithStack(err)
	}

	return data, nil
}