// Copyright (C) 2024 Mya Pitzeruse
// SPDX-License-Identifier: MIT

package crud

import (
	"context"

	"gorm.io/gorm"
)

// DeleteFunc defines the signature of the function returned by Deleter. It simplifies the interface for deleting data
// using gorm.
type DeleteFunc func(ctx context.Context, filters ...map[string]interface{}) error

// Deleter returns a function that can delete data using gorm db.
func Deleter[T any](db *gorm.DB) DeleteFunc {
	prototype := new(T)

	return func(ctx context.Context, filters ...map[string]interface{}) error {
		q := Transaction(ctx, db).
			Model(prototype)

		for _, filter := range filters {
			q = q.Where(filter)
		}

		return q.Delete(prototype).Error
	}
}