import * as z3 from 'zod/v3';
import * as z from 'zod/v4/core';

type SchemaConfig = z3.AnyZodObject | z.$ZodType<Record<string, unknown>>;
type ZodV4Output<T> = T extends z.$ZodType<any> ? z.infer<T> : never;
type InferredDataConfig<S extends SchemaConfig> = S extends z3.ZodType<infer T> ? T : ZodV4Output<S>;
type InferredErrorConfig<S extends SchemaConfig> = S extends z3.ZodType<infer T> ? z3.ZodError<T> : S extends z.$ZodType<infer U> ? z.$ZodError<U> : never;
type BaseAdapter = {
    /**
     * Name of the adapter
     */
    name: string;
    /**
     * Separator to use for creating nested objects from flat keys (e.g., "." or "_")
     * When provided, keys like "database.host" or "database_host" will be converted to { database: { host: value } }
     * Only top-level keys get split, nested keys are not affected.
     */
    nestingSeparator?: string;
} & SharedConfigOptions;
/**
 * Adapter type
 */
type Adapter<D extends SchemaConfig = SchemaConfig> = BaseAdapter & {
    /**
     * Read the config
     */
    read: () => Promise<InferredDataConfig<D>>;
};
/**
 * Synchronous adapter type
 */
type SyncAdapter<D extends SchemaConfig = SchemaConfig> = BaseAdapter & {
    /**
     * Read the config
     */
    read: () => InferredDataConfig<D>;
};
type BaseConfig<S extends SchemaConfig = SchemaConfig> = {
    /**
     * Schema to validate the config against
     */
    schema: S;
    /**
     * Function to call on success
     */
    onSuccess?: (data: InferredDataConfig<S>) => void;
    /**
     * Function to call on error
     */
    onError?: (error: InferredErrorConfig<S>) => void;
    /**
     * Logger to use
     */
    logger?: Logger;
} & SharedConfigOptions;
/**
 * Config type
 */
type Config<S extends SchemaConfig = SchemaConfig> = BaseConfig<S> & {
    /**
     * Adapters to use
     */
    adapters?: Array<Adapter | SyncAdapter> | Adapter | SyncAdapter;
};
/**
 * Synchronous config type
 */
type SyncConfig<S extends SchemaConfig = SchemaConfig> = BaseConfig<S> & {
    /**
     * Adapters to use
     */
    adapters?: Array<SyncAdapter> | SyncAdapter;
};
/**
 * Logger type
 */
type Logger = {
    /**
     * Log a warning
     */
    warn: (message: string) => void;
};
/**
 * Base adapter props
 */
type BaseAdapterProps = {
    /**
     * Regular expression to match keys to be processed.
     */
    regex?: RegExp;
} & SharedConfigOptions;
/**
 * Shared config options between global config and adapter config
 */
type SharedConfigOptions = {
    /**
     * Whether to suppress errors
     */
    silent?: boolean;
    /**
     * How to handle casing differences.
     */
    keyMatching?: KeyMatching;
    /**
     * Function to transform key-value pairs before processing.
     * If the function returns false, the key-value pair will be dropped.
     */
    transform?: Transform;
};
/**
 * Transform type
 */
type Transform = (obj: {
    key: string;
    value: unknown;
}) => {
    key: string;
    value: unknown;
} | false;
/**
 * Key matching type
 */
type KeyMatching = "lenient" | "strict";

export { Adapter as A, BaseAdapterProps as B, Config as C, InferredDataConfig as I, Logger as L, SchemaConfig as S, SyncConfig as a, SyncAdapter as b };