/**
 * @athenna/database
 *
 * (c) João Lenon <lenon@athenna.io>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
import type { ModelColumns } from '#src/types';
import type { BaseModel } from '#src/models/BaseModel';
import type { ModelQueryBuilder } from '#src/models/builders/ModelQueryBuilder';
export type HasOneThroughOptions<T extends BaseModel = any, R extends BaseModel = any, H extends BaseModel = any> = {
    /**
     * The relation option type.
     *
     * @readonly
     * @default 'hasOneThrough'
     */
    type?: 'hasOneThrough';
    /**
     * The closure that should be executed while
     * querying the relation data from database.
     *
     * Used by `whereHas()` for the WHERE EXISTS subquery.
     *
     * @default undefined
     */
    closure?: (query: ModelQueryBuilder<R>) => any;
    /**
     * The closure provided to `with()` for eager loading.
     * Kept separate from {@link closure} so that a `whereHas()` call
     * on the same relation never overwrites the eager-load filter.
     *
     * @default undefined
     */
    withClosure?: (query: ModelQueryBuilder<R>) => any;
    /**
     * The property name in class of the relation.
     *
     * @readonly
     * @default key
     */
    property?: string;
    /**
     * The final relation model that is being referenced
     * through the intermediate model.
     *
     * @readonly
     */
    model?: () => typeof BaseModel;
    /**
     * The intermediate model used to traverse from the
     * parent model to the final relation model.
     *
     * @readonly
     */
    through?: () => typeof BaseModel;
    /**
     * Set if the model will be included when fetching
     * data.
     * If this option is true, you don't need to call
     * methods like `with()` to eager load your relation.
     *
     * @default false
     */
    isIncluded?: boolean;
    /**
     * Internal flag when `whereHas()` applies a constraint on this relation.
     * Does not eager-load; use {@link isIncluded} / `with()` to load related rows.
     *
     * @default false
     */
    isWhereHasIncluded?: boolean;
    /**
     * The column on the parent model that links to the
     * intermediate model via {@link firstKey}.
     *
     * @default Model.schema().getMainPrimaryKeyProperty()
     */
    localKey?: ModelColumns<T>;
    /**
     * The column on the intermediate model that points
     * back at the parent model.
     *
     * @default `${String.toCamelCase(Model.name)}Id`
     */
    firstKey?: ModelColumns<H>;
    /**
     * The column on the intermediate model that participates
     * in the link to the final model.
     *
     * - Shape A (default): `Through.schema().getMainPrimaryKeyProperty()`
     * - Shape B (`inverse: true`): `${String.toCamelCase(Final.name)}Id`
     */
    secondLocalKey?: ModelColumns<H>;
    /**
     * The column on the final model that participates
     * in the link to the intermediate model.
     *
     * - Shape A (default): `${String.toCamelCase(Through.name)}Id`
     * - Shape B (`inverse: true`): `Final.schema().getMainPrimaryKeyProperty()`
     */
    secondKey?: ModelColumns<R>;
    /**
     * Flip the defaults so the foreign key linking the
     * intermediate model to the final model lives on the
     * intermediate model (shape B).
     *
     * @default false
     */
    inverse?: boolean;
};