package eventsourcing

import (
	"context"

	"github.com/caos/zitadel/internal/errors"
	es_models "github.com/caos/zitadel/internal/eventstore/models"
	"github.com/caos/zitadel/internal/policy/model"
)

func PasswordComplexityPolicyQuery(recourceOwner string, latestSequence uint64) *es_models.SearchQuery {
	return es_models.NewSearchQuery().
		AggregateTypeFilter(model.PasswordComplexityPolicyAggregate).
		LatestSequenceFilter(latestSequence).
		ResourceOwnerFilter(recourceOwner)

}

func PasswordComplexityPolicyAggregate(ctx context.Context, aggCreator *es_models.AggregateCreator, policy *PasswordComplexityPolicy) (*es_models.Aggregate, error) {
	if policy == nil {
		return nil, errors.ThrowPreconditionFailed(nil, "EVENT-fRVr9", "Errors.Internal")
	}
	return aggCreator.NewAggregate(ctx, policy.AggregateID, model.PasswordComplexityPolicyAggregate, policyComplexityVersion, policy.Sequence)
}

func PasswordComplexityPolicyCreateAggregate(aggCreator *es_models.AggregateCreator, policy *PasswordComplexityPolicy) func(ctx context.Context) (*es_models.Aggregate, error) {
	return func(ctx context.Context) (*es_models.Aggregate, error) {
		if policy == nil {
			return nil, errors.ThrowPreconditionFailed(nil, "EVENT-kdie6", "Errors.Internal")
		}
		agg, err := PasswordComplexityPolicyAggregate(ctx, aggCreator, policy)
		if err != nil {
			return nil, err
		}

		return agg.AppendEvent(model.PasswordComplexityPolicyAdded, policy)
	}
}

func PasswordComplexityPolicyUpdateAggregate(aggCreator *es_models.AggregateCreator, existing *PasswordComplexityPolicy, new *PasswordComplexityPolicy) func(ctx context.Context) (*es_models.Aggregate, error) {
	return func(ctx context.Context) (*es_models.Aggregate, error) {
		if new == nil {
			return nil, errors.ThrowPreconditionFailed(nil, "EVENT-dhr74", "Errors.Internal")
		}
		agg, err := PasswordComplexityPolicyAggregate(ctx, aggCreator, existing)
		if err != nil {
			return nil, err
		}
		changes := existing.ComplexityChanges(new)
		return agg.AppendEvent(model.PasswordComplexityPolicyChanged, changes)
	}
}