package indexable

import (
	"context"

	"github.com/tech/sendico/pkg/db/repository"
	"github.com/tech/sendico/pkg/db/repository/builder"
	"github.com/tech/sendico/pkg/mlogger"
	"github.com/tech/sendico/pkg/model"
	"go.mongodb.org/mongo-driver/bson/primitive"
)

// Example usage of the generic IndexableDB with different types

// Example 1: Using with Project
func ExampleProjectIndexableDB(repo repository.Repository, logger mlogger.Logger, organizationRef primitive.ObjectID) {
	// Define helper functions for Project
	createEmpty := func() *model.Project {
		return &model.Project{}
	}

	getIndexable := func(p *model.Project) *model.Indexable {
		return &p.Indexable
	}

	// Create generic IndexableDB for Project
	projectDB := NewIndexableDB(repo, logger, createEmpty, getIndexable)

	// Use with organization filter
	orgFilter := repository.OrgFilter(organizationRef)
	projectDB.Reorder(context.Background(), primitive.NewObjectID(), 2, orgFilter)
}

// Example 3: Using with Task
func ExampleTaskIndexableDB(repo repository.Repository, logger mlogger.Logger, statusRef primitive.ObjectID) {
	// Define helper functions for Task
	createEmpty := func() *model.Task {
		return &model.Task{}
	}

	getIndexable := func(t *model.Task) *model.Indexable {
		return &t.Indexable
	}

	// Create generic IndexableDB for Task
	taskDB := NewIndexableDB(repo, logger, createEmpty, getIndexable)

	// Use with status filter
	statusFilter := repository.Query().Comparison(repository.Field("statusRef"), builder.Eq, statusRef)
	taskDB.Reorder(context.Background(), primitive.NewObjectID(), 3, statusFilter)
}

// Example 5: Using without any filter (global reordering)
func ExampleGlobalIndexableDB(repo repository.Repository, logger mlogger.Logger) {
	// Define helper functions for any Indexable type
	createEmpty := func() *model.Project {
		return &model.Project{}
	}

	getIndexable := func(p *model.Project) *model.Indexable {
		return &p.Indexable
	}

	// Create generic IndexableDB without filters
	globalDB := NewIndexableDB(repo, logger, createEmpty, getIndexable)

	// Use without any filter - reorders all items globally
	globalDB.Reorder(context.Background(), primitive.NewObjectID(), 5, repository.Query())
}