package policy

import (
	"encoding/json"
	"github.com/caos/zitadel/internal/errors"
	"github.com/caos/zitadel/internal/eventstore/v2"
	"github.com/caos/zitadel/internal/eventstore/v2/repository"
	"github.com/caos/zitadel/internal/v2/domain"
)

const (
	loginPolicyIDPProviderPrevix      = loginPolicyPrefix + "idpprovider."
	LoginPolicyIDPProviderAddedType   = loginPolicyIDPProviderPrevix + "added"
	LoginPolicyIDPProviderRemovedType = loginPolicyIDPProviderPrevix + "removed"
)

type IdentityProviderAddedEvent struct {
	eventstore.BaseEvent

	IDPConfigID     string                      `json:"idpConfigId,omitempty"`
	IDPProviderType domain.IdentityProviderType `json:"idpProviderType,omitempty"`
}

func (e *IdentityProviderAddedEvent) Data() interface{} {
	return e
}

func NewIdentityProviderAddedEvent(
	base *eventstore.BaseEvent,
	idpConfigID string,
	idpProviderType domain.IdentityProviderType,
) *IdentityProviderAddedEvent {

	return &IdentityProviderAddedEvent{
		*base,
		idpConfigID,
		idpProviderType,
	}
}

func IdentityProviderAddedEventMapper(event *repository.Event) (eventstore.EventReader, error) {
	e := &IdentityProviderAddedEvent{
		BaseEvent: *eventstore.BaseEventFromRepo(event),
	}

	err := json.Unmarshal(event.Data, e)
	if err != nil {
		return nil, errors.ThrowInternal(err, "PROVI-bfNnp", "Errors.Internal")
	}

	return e, nil
}

type IdentityProviderRemovedEvent struct {
	eventstore.BaseEvent

	IDPConfigID string `json:"idpConfigId"`
}

func (e *IdentityProviderRemovedEvent) Data() interface{} {
	return e
}

func NewIdentityProviderRemovedEvent(
	base *eventstore.BaseEvent,
	idpConfigID string,
) *IdentityProviderRemovedEvent {
	return &IdentityProviderRemovedEvent{
		BaseEvent:   *base,
		IDPConfigID: idpConfigID,
	}
}

func IdentityProviderRemovedEventMapper(event *repository.Event) (eventstore.EventReader, error) {
	e := &IdentityProviderRemovedEvent{
		BaseEvent: *eventstore.BaseEventFromRepo(event),
	}

	err := json.Unmarshal(event.Data, e)
	if err != nil {
		return nil, errors.ThrowInternal(err, "PROVI-6H0KQ", "Errors.Internal")
	}

	return e, nil
}