import type { FieldDescriptor, FieldFlags, FieldRecord } from './types.js';
import type { InferFieldOutput } from './brand.js';
type FlagsOf<F> = F extends FieldDescriptor<unknown, infer TF> ? TF : FieldFlags;
type HasFlag<F, K extends keyof FieldFlags> = FlagsOf<F>[K] extends true ? true : false;
type InsertIncluded<F> = HasFlag<F, 'autoManaged'> extends true ? false : HasFlag<F, 'primaryKey'> extends true ? HasFlag<F, 'defaultRandom'> extends true ? false : HasFlag<F, 'serial'> extends true ? false : true : true;
type InsertOptional<F> = HasFlag<F, 'nullable'> extends true ? true : HasFlag<F, 'hasDefault'> extends true ? true : false;
type InsertRequiredKeys<TFields extends FieldRecord> = {
    [K in keyof TFields]: InsertIncluded<TFields[K]> extends true ? InsertOptional<TFields[K]> extends true ? never : K : never;
}[keyof TFields];
type InsertOptionalKeys<TFields extends FieldRecord> = {
    [K in keyof TFields]: InsertIncluded<TFields[K]> extends true ? InsertOptional<TFields[K]> extends true ? K : never : never;
}[keyof TFields];
/** Insert input shape: omits auto-managed and PK+(defaultRandom|serial); marks nullable/defaulted fields optional. */
export type InsertProjection<TFields extends FieldRecord> = {
    -readonly [K in InsertRequiredKeys<TFields>]: InferFieldOutput<TFields[K]>;
} & {
    -readonly [K in InsertOptionalKeys<TFields>]?: InferFieldOutput<TFields[K]>;
};
/** Select output shape: includes every field with its nullable status preserved through TOutput. */
export type SelectProjection<TFields extends FieldRecord> = {
    -readonly [K in keyof TFields]: InferFieldOutput<TFields[K]>;
};
type UpdateIncluded<F> = HasFlag<F, 'primaryKey'> extends true ? false : HasFlag<F, 'readOnly'> extends true ? false : HasFlag<F, 'autoManaged'> extends true ? false : true;
type UpdateIncludedKeys<TFields extends FieldRecord> = {
    [K in keyof TFields]: UpdateIncluded<TFields[K]> extends true ? K : never;
}[keyof TFields];
/** Update input shape: omits PK/readOnly/auto-managed; all remaining fields are optional. */
export type UpdateProjection<TFields extends FieldRecord> = {
    -readonly [K in UpdateIncludedKeys<TFields>]?: InferFieldOutput<TFields[K]>;
};
export {};
//# sourceMappingURL=projections.d.ts.map