import type { Message } from '@bufbuild/protobuf';
import type { ScalarValue } from '@bufbuild/protobuf/reflect';
import type { Timestamp } from '@bufbuild/protobuf/wkt';
/**
 * Deep populate the message according to the options.
 *
 * NOTE: For `validTypes` to work, you should pass the valid message type (for example from `MessageValidType`).
 */
export type PopulatedMessage<T extends Message, O extends MessagePopulationOptions = MessagePopulationOptions> = T extends Timestamp ? O['jsDates'] extends true ? Date : PopulatedMessageInner<T, O> : PopulatedMessageInner<T, O>;
type PopulatedMessageInner<T extends Message, O extends MessagePopulationOptions> = {
    [K in keyof T as K extends '$typeName' | '$unknown' ? K : NonNullable<T[K]> extends MessageLike ? O['messages'] extends true ? never : K : O['scalars'] extends true ? never : K]: Field<0, NonNullable<T[K]>, O>;
} & {
    [K in keyof T as K extends '$typeName' | '$unknown' ? never : NonNullable<T[K]> extends MessageLike ? O['messages'] extends true ? K : never : O['scalars'] extends true ? K : never]-?: Field<0, NonNullable<T[K]>, O>;
};
/**
 * Permissive message input for `initMessage`.
 *
 * All properties, including nested, are optional.
 */
export type MessageInit<T extends Message> = T extends Timestamp ? Date | MessageInitInner<T> : MessageInitInner<T>;
type MessageInitInner<T extends Message> = T | {
    [K in keyof T as K extends '$typeName' | '$unknown' ? never : K]?: Field<1, NonNullable<T[K]>>;
};
/**
 * Strict message input for `initMessage`.
 *
 * All required properties, including nested, should be defined.
 */
export type StrictMessageInit<T extends Message> = T extends Timestamp ? Date | StrictMessageInitInner<T> : StrictMessageInitInner<T>;
type StrictMessageInitInner<T extends Message> = T | ({
    [K in keyof T as K extends '$typeName' | '$unknown' ? never : T[K] extends Oneof ? never : K]: Field<2, NonNullable<T[K]>>;
} & {
    [K in keyof T as T[K] extends Oneof ? K : never]?: Field<2, NonNullable<T[K]>>;
});
/**
 * Deep remove the `$typeName` and `$unknown` properties from the message, and optionally convert `Timestamp` into JS `Date`.
 */
export type BareMessage<T extends Message, JsDates extends boolean = false> = JsDates extends true ? BareMessageInner<PopulatedMessage<T, {
    jsDates: true;
}>> : BareMessageInner<T>;
type BareMessageInner<T> = T extends Message ? {
    [K in keyof T as K extends '$typeName' | '$unknown' ? never : K]: Field<3, NonNullable<T[K]>>;
} : T;
type MessageType<N extends 0 | 1 | 2 | 3, M extends Message, O extends MessagePopulationOptions> = N extends 0 ? PopulatedMessage<M, O> : N extends 1 ? MessageInit<M> : N extends 2 ? StrictMessageInit<M> : BareMessage<M>;
type Field<N extends 0 | 1 | 2 | 3, T, O extends MessagePopulationOptions = MessagePopulationOptions> = T extends Message ? MessageType<N, T, O> : T extends Array<infer V> ? V extends Message ? MessageType<N, V, O>[] : T : T extends {
    case: infer K;
    value: infer V;
} ? V extends MessageLike ? {
    case: K;
    value: Field<N, V, O>;
} : T : T extends Record<infer K, infer V extends Message> ? Record<K, MessageType<N, V, O>> : T;
type Oneof = {
    case: undefined;
    value?: undefined;
} | {
    case: string;
    value: Message | ScalarValue;
};
type MessageLike = Message | Message[] | Record<string | number, Message>;
export interface MessagePopulationOptions {
    /**
     * Populate all the required fields with defaults if they are missing (default `true`).
     *
     * This ensures runtime message types are the same as generated valid types (https://github.com/bufbuild/protobuf-es/blob/main/MANUAL.md#valid-types).
     */
    validTypes?: boolean;
    /**
     * Populate scalar fields with defaults (default `false`).
     */
    scalars?: boolean;
    /**
     * Populate message fields with defaults (default `false`).
     */
    messages?: boolean;
    /**
     * Convert `google.protobuf.Timestamp` into JS `Date` (default `false`).
     *
     * NOTE: Probably you want to use this in conjunction with `js_dates` option for `protoc-gen-nestjs` to generate proper types for client and controller.
     */
    jsDates?: boolean;
}
export {};