import * as ConfigProvider from "./ConfigProvider.js";
import * as Effect from "./Effect.js";
import * as Effectable from "./Effectable.js";
import { dual } from "./Function.js";
import * as LogLevel_ from "./LogLevel.js";
import * as Option from "./Option.js";
import * as Predicate from "./Predicate.js";
import * as Rec from "./Record.js";
import * as Schema from "./Schema.js";
import * as AST from "./SchemaAST.js";
import * as Issue from "./SchemaIssue.js";
import * as Parser from "./SchemaParser.js";
import * as Transformation from "./SchemaTransformation.js";
const TypeId = "~effect/Config";
/**
 * Returns `true` if `u` is a `Config` instance.
 *
 * **When to use**
 *
 * Use when runtime type-checking before calling `.parse()` on an unknown value.
 * - Distinguishing a `Config` from a plain value inside {@link unwrap}.
 *
 * **Example** (Type guard)
 *
 * ```ts
 * import { Config } from "effect"
 *
 * console.log(Config.isConfig(Config.string("HOST"))) // true
 * console.log(Config.isConfig("not a config"))        // false
 * ```
 *
 * @category guards
 * @since 2.0.0
 */
export const isConfig = u => Predicate.hasProperty(u, TypeId);
/**
 * Represents the error type produced when config loading or validation fails.
 *
 * **When to use**
 *
 * Use when match on `error.cause._tag` to distinguish source failures from
 *   validation failures.
 * - Pass to {@link fail} to create a Config that always errors.
 *
 * **Details**
 *
 * Wraps either:
 * - A `SourceError` — the provider could not read data (I/O failure).
 * - A `SchemaError` — the data was found but did not match the schema
 *   (wrong type, out of range, missing key, etc.).
 *
 * @see {@link orElse} – recover from a ConfigError
 * @see {@link withDefault} – provide a fallback for missing-data errors
 *
 * @category errors
 * @since 4.0.0
 */
export class ConfigError {
  _tag = "ConfigError";
  name = "ConfigError";
  cause;
  constructor(cause) {
    this.cause = cause;
  }
  get message() {
    return this.cause.toString();
  }
  toString() {
    return `ConfigError(${this.message})`;
  }
}
const Proto = {
  ... /*#__PURE__*/Effectable.Prototype({
    label: "Config",
    evaluate(fiber) {
      return this.parse(fiber.getRef(ConfigProvider.ConfigProvider));
    }
  }),
  [TypeId]: TypeId,
  toJSON() {
    return {
      _id: "Config"
    };
  }
};
/**
 * Creates a `Config` from a raw parsing function.
 *
 * **When to use**
 *
 * Use to build a custom config that cannot be expressed with {@link schema} or
 * convenience constructors, or to compose configs programmatically.
 *
 * **Details**
 *
 * The `parse` callback receives a `ConfigProvider` and must return
 * `Effect<T, ConfigError>`.
 *
 * **Example** (Custom config that reads two keys)
 *
 * ```ts
 * import { Config, ConfigProvider, Effect } from "effect"
 *
 * const hostPort = Config.make((provider) =>
 *   Effect.all({
 *     host: Config.string("host").parse(provider),
 *     port: Config.number("port").parse(provider)
 *   })
 * )
 *
 * const provider = ConfigProvider.fromUnknown({ host: "localhost", port: 3000 })
 * // Effect.runSync(hostPort.parse(provider))
 * // { host: "localhost", port: 3000 }
 * ```
 *
 * @see {@link schema} – higher-level constructor using Schema codecs
 *
 * @category constructors
 * @since 4.0.0
 */
export function make(parse) {
  const self = Object.create(Proto);
  self.parse = parse;
  return self;
}
/**
 * Transforms the parsed value of a config with a pure function.
 *
 * **When to use**
 *
 * Use when post-processing a config value (e.g. trimming, uppercasing, wrapping).
 * - The transformation cannot fail. Use {@link mapOrFail} if it can.
 *
 * **Details**
 *
 * Supports both data-last and data-first calling conventions.
 *
 * **Example** (Uppercasing a string config)
 *
 * ```ts
 * import { Config, ConfigProvider, Effect } from "effect"
 *
 * const upper = Config.string("name").pipe(
 *   Config.map((s) => s.toUpperCase())
 * )
 *
 * const provider = ConfigProvider.fromUnknown({ name: "alice" })
 * // Effect.runSync(upper.parse(provider)) // "ALICE"
 * ```
 *
 * @see {@link mapOrFail} – when the transformation can fail
 *
 * @category mapping
 * @since 2.0.0
 */
export const map = /*#__PURE__*/dual(2, (self, f) => {
  return make(provider => Effect.map(self.parse(provider), f));
});
/**
 * Transforms the parsed value with a function that may fail.
 *
 * **When to use**
 *
 * Use to validate or converting a config value where the transformation can
 *   produce a `ConfigError` (e.g. parsing a URL, checking a range).
 *
 * **Details**
 *
 * Supports both data-last and data-first calling conventions.
 *
 * **Example** (Wrapping a value in an effectful transformation)
 *
 * ```ts
 * import { Config, Effect } from "effect"
 *
 * const trimmed = Config.string("name").pipe(
 *   Config.mapOrFail((s) => Effect.succeed(s.trim()))
 * )
 * ```
 *
 * @see {@link map} – when the transformation cannot fail
 *
 * @category mapping
 * @since 2.0.0
 */
export const mapOrFail = /*#__PURE__*/dual(2, (self, f) => {
  return make(provider => Effect.flatMap(self.parse(provider), f));
});
/**
 * Provides a fallback config when parsing fails with a `ConfigError`.
 *
 * **When to use**
 *
 * Use when trying an alternative config source when the primary one errors.
 * - Providing environment-specific overrides.
 *
 * **Details**
 *
 * Unlike {@link withDefault}, this catches **all** `ConfigError`s (not just
 * missing data). The fallback function receives the error and returns a new
 * `Config`.
 *
 * Supports both data-last and data-first calling conventions.
 *
 * **Example** (Falling back to a literal)
 *
 * ```ts
 * import { Config } from "effect"
 *
 * const hostConfig = Config.string("HOST").pipe(
 *   Config.orElse(() => Config.succeed("localhost"))
 * )
 * ```
 *
 * @see {@link withDefault} – fallback only on missing data
 *
 * @category combinators
 * @since 2.0.0
 */
export const orElse = /*#__PURE__*/dual(2, (self, that) => {
  return make(provider => Effect.catch(self.parse(provider), error => that(error).parse(provider)));
});
/**
 * Combines multiple configs into a single config that parses all of them.
 *
 * **When to use**
 *
 * Use when grouping related configs into a tuple or named struct.
 *
 * **Details**
 *
 * Accepts a tuple (preserves positions), an iterable, or a record of configs.
 * Returns a config whose parsed value mirrors the input shape.
 *
 * **Example** (Combining configs as a struct)
 *
 * ```ts
 * import { Config, ConfigProvider, Effect } from "effect"
 *
 * const dbConfig = Config.all({
 *   host: Config.string("host"),
 *   port: Config.number("port")
 * })
 *
 * const provider = ConfigProvider.fromUnknown({ host: "localhost", port: 5432 })
 * // Effect.runSync(dbConfig.parse(provider))
 * // { host: "localhost", port: 5432 }
 * ```
 *
 * @category combinators
 * @since 2.0.0
 */
export function all(arg) {
  const configs = Array.isArray(arg) ? arg : Symbol.iterator in arg ? [...arg] : arg;
  if (Array.isArray(configs)) {
    return make(provider => Effect.all(configs.map(config => config.parse(provider))));
  } else {
    return make(provider => Effect.all(Rec.map(configs, config => config.parse(provider))));
  }
}
function isMissingDataOnly(issue) {
  switch (issue._tag) {
    case "MissingKey":
      return true;
    case "InvalidType":
    case "InvalidValue":
      return Option.isNone(issue.actual) || Option.isSome(issue.actual) && issue.actual.value === undefined;
    case "OneOf":
      return issue.actual === undefined;
    case "Encoding":
      return Option.isNone(issue.actual) || Option.isSome(issue.actual) && issue.actual.value === undefined ? true : isMissingDataOnly(issue.issue);
    case "Pointer":
    case "Filter":
      return isMissingDataOnly(issue.issue);
    case "UnexpectedKey":
      return false;
    case "Forbidden":
      return false;
    case "Composite":
    case "AnyOf":
      return issue.issues.every(isMissingDataOnly);
  }
}
/**
 * Provides a fallback value when the config fails due to missing data.
 *
 * **When to use**
 *
 * Use when making a config key optional with a sensible default.
 *
 * **Details**
 *
 * The default is lazily evaluated. Supports both data-last and data-first
 * calling conventions.
 *
 * **Gotchas**
 *
 * Only applies when the error is a `SchemaError` caused exclusively by
 * missing data (missing keys, undefined values). Validation errors (wrong
 * type, out of range) still propagate.
 *
 * **Example** (Defaulting a missing port)
 *
 * ```ts
 * import { Config, ConfigProvider, Effect } from "effect"
 *
 * const port = Config.number("port").pipe(Config.withDefault(3000))
 *
 * const provider = ConfigProvider.fromUnknown({})
 * // Effect.runSync(port.parse(provider)) // 3000
 * ```
 *
 * @see {@link option} – returns `Option` instead of a default value
 * @see {@link orElse} – catches all errors, not just missing data
 *
 * @category combinators
 * @since 2.0.0
 */
export const withDefault = /*#__PURE__*/dual(2, (self, defaultValue) => {
  return orElse(self, err => {
    if (Schema.isSchemaError(err.cause)) {
      const issue = err.cause.issue;
      if (isMissingDataOnly(issue)) {
        return succeed(defaultValue);
      }
    }
    return fail(err.cause);
  });
});
/**
 * Makes a config optional: returns `Some(value)` on success and `None` when
 * data is missing.
 *
 * **When to use**
 *
 * Use when a config key may or may not be present and you want to handle both
 *   cases explicitly.
 *
 * **Gotchas**
 *
 * Like {@link withDefault}, only missing-data errors produce `None`.
 * Validation errors still propagate.
 *
 * **Example** (Optional config)
 *
 * ```ts
 * import { Config, ConfigProvider, Effect } from "effect"
 *
 * const maybePort = Config.option(Config.number("port"))
 *
 * const provider = ConfigProvider.fromUnknown({})
 * // Effect.runSync(maybePort.parse(provider)) // { _tag: "None" }
 * ```
 *
 * @see {@link withDefault} – provide a concrete fallback value instead
 *
 * @category combinators
 * @since 2.0.0
 */
export const option = self => self.pipe(map(Option.some), withDefault(Option.none()));
/**
 * Constructs a `Config<T>` from a value matching `Wrap<T>`.
 *
 * **When to use**
 *
 * Use when accepting config from callers who may pass either a single `Config` or a
 *   record of individual `Config`s.
 *
 * **Details**
 *
 * If the input is already a `Config`, it is returned as-is. Otherwise, each
 * key is recursively unwrapped and combined.
 *
 * **Example** (Unwrapping a record of configs)
 *
 * ```ts
 * import { Config } from "effect"
 *
 * interface Options {
 *   key: string
 * }
 *
 * const makeConfig = (config: Config.Wrap<Options>): Config.Config<Options> =>
 *   Config.unwrap(config)
 * ```
 *
 * @see {@link Wrap} – the utility type accepted by this function
 *
 * @category Wrap
 * @since 2.0.0
 */
export const unwrap = wrapped => {
  if (isConfig(wrapped)) return wrapped;
  return make(provider => {
    const entries = Object.entries(wrapped);
    const configs = entries.map(([key, config]) => unwrap(config).parse(provider).pipe(Effect.map(value => [key, value])));
    return Effect.all(configs).pipe(Effect.map(Object.fromEntries));
  });
};
// -----------------------------------------------------------------------------
// schema
// -----------------------------------------------------------------------------
const dump = /*#__PURE__*/Effect.fnUntraced(function* (provider, path) {
  const stat = yield* provider.load(path);
  if (stat === undefined) return undefined;
  switch (stat._tag) {
    case "Value":
      return stat.value;
    case "Record":
      {
        if (stat.value !== undefined) return stat.value;
        const out = {};
        for (const key of stat.keys) {
          const child = yield* dump(provider, [...path, key]);
          if (child !== undefined) out[key] = child;
        }
        return out;
      }
    case "Array":
      {
        if (stat.value !== undefined) return stat.value;
        const out = [];
        for (let i = 0; i < stat.length; i++) {
          out.push(yield* dump(provider, [...path, i]));
        }
        return out;
      }
  }
});
const recur = /*#__PURE__*/Effect.fnUntraced(function* (ast, provider, path) {
  switch (ast._tag) {
    case "Objects":
      {
        const out = {};
        for (const ps of ast.propertySignatures) {
          const name = ps.name;
          if (typeof name === "string") {
            const value = yield* recur(ps.type, provider, [...path, name]);
            if (value !== undefined) out[name] = value;
          }
        }
        if (ast.indexSignatures.length > 0) {
          const stat = yield* provider.load(path);
          if (stat && stat._tag === "Record") {
            for (const is of ast.indexSignatures) {
              const matches = Parser._is(is.parameter);
              for (const key of stat.keys) {
                if (!Object.hasOwn(out, key) && matches(key)) {
                  const value = yield* recur(is.type, provider, [...path, key]);
                  if (value !== undefined) out[key] = value;
                }
              }
            }
          }
        }
        return out;
      }
    case "Arrays":
      {
        const stat = yield* provider.load(path);
        if (stat && stat._tag === "Value") return stat.value;
        const out = [];
        for (let i = 0; i < ast.elements.length; i++) {
          out.push(yield* recur(ast.elements[i], provider, [...path, i]));
        }
        return out;
      }
    case "Union":
      // Let downstream decoding decide; dump can return a string, object, or array.
      return yield* dump(provider, path);
    case "Suspend":
      return yield* recur(ast.thunk(), provider, path);
    default:
      {
        // Base primitives / string-like encoded nodes.
        const stat = yield* provider.load(path);
        if (stat === undefined) return undefined;
        if (stat._tag === "Value") return stat.value;
        if (stat._tag === "Record" && stat.value !== undefined) return stat.value;
        if (stat._tag === "Array" && stat.value !== undefined) return stat.value;
        // Container without a co-located value cannot satisfy a scalar request.
        return undefined;
      }
  }
});
/**
 * Creates a `Config<T>` from a `Schema.Codec`.
 *
 * **When to use**
 *
 * Use when reading structured or validated config (structs, arrays, unions, branded
 *   types, etc.).
 * - All convenience constructors (`string`, `number`, …) delegate to this.
 *
 * **Details**
 *
 * The optional `path` sets the root path segment(s) for the config lookup.
 * Pass a single string for a flat key or an array for nested paths.
 *
 * The codec is used to decode the raw `StringTree` produced by the provider
 * into `T`. Schema validation errors are wrapped in `ConfigError`.
 *
 * **Example** (Reading a structured config)
 *
 * ```ts
 * import { Config, ConfigProvider, Effect, Schema } from "effect"
 *
 * const DbConfig = Config.schema(
 *   Schema.Struct({
 *     host: Schema.String,
 *     port: Schema.Int
 *   }),
 *   "db"
 * )
 *
 * const provider = ConfigProvider.fromUnknown({
 *   db: { host: "localhost", port: 5432 }
 * })
 *
 * // Effect.runSync(DbConfig.parse(provider))
 * // { host: "localhost", port: 5432 }
 * ```
 *
 * @see {@link string} / {@link number} / {@link boolean} – shortcuts for
 *   single-value configs
 *
 * @category schemas
 * @since 4.0.0
 */
export function schema(codec, path) {
  const codecStringTree = Schema.toCodecStringTree(codec);
  const decodeUnknownEffect = Parser.decodeUnknownEffect(codecStringTree);
  const codecStringTreeEncoded = AST.toEncoded(codecStringTree.ast);
  const defaultPath = typeof path === "string" ? [path] : path ?? [];
  return make(provider => {
    const path = provider.prefix ? [...provider.prefix, ...defaultPath] : defaultPath;
    return recur(codecStringTreeEncoded, provider, defaultPath).pipe(Effect.flatMapEager(tree => decodeUnknownEffect(tree).pipe(Effect.mapErrorEager(issue => new Schema.SchemaError(path.length > 0 ? new Issue.Pointer(path, issue) : issue)))), Effect.mapErrorEager(cause => new ConfigError(cause)));
  });
}
/** @internal */
export const TrueValues = /*#__PURE__*/Schema.Literals(["true", "yes", "on", "1", "y"]);
/** @internal */
export const FalseValues = /*#__PURE__*/Schema.Literals(["false", "no", "off", "0", "n"]);
/**
 * Schema for boolean values encoded as strings.
 *
 * **When to use**
 *
 * Use when passing to {@link schema} for custom paths, or use the
 * {@link boolean} convenience constructor.
 *
 * **Details**
 *
 * Accepted string values: `true`, `false`, `yes`, `no`, `on`, `off`, `1`,
 * `0`, `y`, `n` (case-sensitive).
 *
 * @see {@link boolean} – convenience constructor
 *
 * @category schemas
 * @since 4.0.0
 */
export const Boolean = /*#__PURE__*/Schema.Literals([...TrueValues.literals, ...FalseValues.literals]).pipe(/*#__PURE__*/Schema.decodeTo(Schema.Boolean, /*#__PURE__*/Transformation.transform({
  decode: value => value === "true" || value === "yes" || value === "on" || value === "1" || value === "y",
  encode: value => value ? "true" : "false"
})));
/**
 * Schema for port numbers (integers in 1–65535).
 *
 * **When to use**
 *
 * Use when passing to {@link schema} for custom paths, or use the {@link port}
 * convenience constructor.
 *
 * @see {@link port} – convenience constructor
 *
 * @category schemas
 * @since 4.0.0
 */
export const Port = /*#__PURE__*/Schema.Int.check(/*#__PURE__*/Schema.isBetween({
  minimum: 1,
  maximum: 65535
}));
/**
 * Schema for `LogLevel` string literals.
 *
 * **When to use**
 *
 * Use when passing to {@link schema} for custom paths, or use the
 * {@link logLevel} convenience constructor.
 *
 * **Details**
 *
 * Accepted values: `"All"`, `"Fatal"`, `"Error"`, `"Warn"`, `"Info"`,
 * `"Debug"`, `"Trace"`, `"None"`.
 *
 * @see {@link logLevel} – convenience constructor
 *
 * @category schemas
 * @since 4.0.0
 */
export const LogLevel = /*#__PURE__*/Schema.Literals(LogLevel_.values);
/**
 * Schema for key-value record types that can also be parsed from
 * a flat comma-separated string.
 *
 * **When to use**
 *
 * Use when reading key-value maps from a single env var (e.g. OpenTelemetry
 *   resource attributes).
 *
 * **Details**
 *
 * Accepts either a JSON-like record from the provider or a flat string like
 * `"key1=val1,key2=val2"`. The `separator` (default `","`) and
 * `keyValueSeparator` (default `"="`) can be customized.
 *
 * **Example** (Parsing a comma-separated record)
 *
 * ```ts
 * import { Config, ConfigProvider, Effect, Schema } from "effect"
 *
 * const schema = Config.Record(Schema.String, Schema.String)
 * const config = Config.schema(schema, "OTEL_RESOURCE_ATTRIBUTES")
 *
 * const provider = ConfigProvider.fromEnv({
 *   env: {
 *     OTEL_RESOURCE_ATTRIBUTES:
 *       "service.name=my-service,service.version=1.0.0,custom.attribute=value"
 *   }
 * })
 *
 * console.dir(Effect.runSync(config.parse(provider)))
 * // {
 * //   'service.name': 'my-service',
 * //   'service.version': '1.0.0',
 * //   'custom.attribute': 'value'
 * // }
 * ```
 *
 * @category schemas
 * @since 4.0.0
 */
export const Record = (key, value, options) => {
  const record = Schema.Record(key, value);
  const recordString = Schema.String.pipe(Schema.decodeTo(Schema.Record(Schema.String, Schema.String), Transformation.splitKeyValue(options)), Schema.decodeTo(record));
  return Schema.Union([record, recordString]);
};
// -----------------------------------------------------------------------------
// constructors
// -----------------------------------------------------------------------------
/**
 * Creates a config that always fails with the given error.
 *
 * **When to use**
 *
 * Use when inside {@link orElse} to re-raise a specific error.
 * - Testing error handling paths.
 *
 * @category constructors
 * @since 2.0.0
 */
export function fail(err) {
  return make(() => Effect.fail(new ConfigError(err)));
}
/**
 * Creates a config that always succeeds with the given value, ignoring the
 * provider entirely.
 *
 * **When to use**
 *
 * Use when providing a hardcoded constant inside {@link orElse}.
 * - Testing.
 *
 * **Example** (Constant fallback)
 *
 * ```ts
 * import { Config } from "effect"
 *
 * const host = Config.string("HOST").pipe(
 *   Config.orElse(() => Config.succeed("localhost"))
 * )
 * ```
 *
 * @category constructors
 * @since 2.0.0
 */
export function succeed(value) {
  return make(() => Effect.succeed(value));
}
/**
 * Creates a config for a single string value.
 *
 * **When to use**
 *
 * Use when reading a single string env var or config key.
 *
 * **Details**
 *
 * Shortcut for `Config.schema(Schema.String, name)`.
 *
 * **Example** (Reading a string config)
 *
 * ```ts
 * import { Config, ConfigProvider, Effect } from "effect"
 *
 * const host = Config.string("HOST")
 *
 * const provider = ConfigProvider.fromUnknown({ HOST: "localhost" })
 * // Effect.runSync(host.parse(provider)) // "localhost"
 * ```
 *
 * @see {@link nonEmptyString} – rejects empty strings
 * @see {@link schema} – for more complex types
 *
 * @category constructors
 * @since 2.0.0
 */
export function string(name) {
  return schema(Schema.String, name);
}
/**
 * Creates a config for a non-empty string value. Fails if the value is an
 * empty string.
 *
 * **When to use**
 *
 * Use to read a string config value that must contain at least one character.
 *
 * **Details**
 *
 * Shortcut for `Config.schema(Schema.NonEmptyString, name)`.
 *
 * @see {@link string} for allowing empty strings
 *
 * @category constructors
 * @since 3.7.0
 */
export function nonEmptyString(name) {
  return schema(Schema.NonEmptyString, name);
}
/**
 * Creates a config for a numeric value (including `NaN`, `Infinity`).
 *
 * **When to use**
 *
 * Use to read a numeric config value when `NaN` and `Infinity` are acceptable.
 *
 * **Details**
 *
 * Shortcut for `Config.schema(Schema.Number, name)`.
 *
 * @see {@link finite} for rejecting `NaN` and `Infinity`
 * @see {@link int} for accepting only integers
 *
 * @category constructors
 * @since 2.0.0
 */
export function number(name) {
  return schema(Schema.Number, name);
}
/**
 * Creates a config for a finite number (rejects `NaN` and `Infinity`).
 *
 * **When to use**
 *
 * Use to read a numeric config value that must be finite.
 *
 * **Details**
 *
 * Shortcut for `Config.schema(Schema.Finite, name)`.
 *
 * @see {@link number} for accepting `NaN` and `Infinity`
 * @see {@link int} for accepting only integers
 *
 * @category constructors
 * @since 4.0.0
 */
export function finite(name) {
  return schema(Schema.Finite, name);
}
/**
 * Creates a config for an integer value. Rejects floats.
 *
 * **When to use**
 *
 * Use to read a numeric config value that must be an integer.
 *
 * **Details**
 *
 * Shortcut for `Config.schema(Schema.Int, name)`.
 *
 * @see {@link number} for accepting any number
 * @see {@link port} for accepting only integers in `1` through `65535`
 *
 * @category constructors
 * @since 4.0.0
 */
export function int(name) {
  return schema(Schema.Int, name);
}
/**
 * Creates a config that only accepts a specific literal value.
 *
 * **When to use**
 *
 * Use to restrict a config to a single, specific literal value.
 *
 * **Details**
 *
 * Shortcut for `Config.schema(Schema.Literal(literal), name)`.
 *
 * **Example** (Restricting to a literal)
 *
 * ```ts
 * import { Config } from "effect"
 *
 * const env = Config.literal("production", "ENV")
 * ```
 *
 * @see {@link literals} – accepts multiple literal values
 * @category constructors
 * @since 2.0.0
 */
export function literal(literal, name) {
  return schema(Schema.Literal(literal), name);
}
/**
 * Creates a config that only accepts one of the specified literal values.
 *
 * **When to use**
 *
 * Use to restrict a config to a fixed set of allowed literal values.
 *
 * **Details**
 *
 * Shortcut for `Config.schema(Schema.Literals(literals), name)`.
 *
 * **Example** (Restricting to a set of literals)
 *
 * ```ts
 * import { Config } from "effect"
 *
 * const env = Config.literals(["development", "production"], "ENV")
 * ```
 *
 * @see {@link literal} for accepting one specific literal value
 *
 * @category constructors
 * @since 4.0.0
 */
export function literals(literals, name) {
  return schema(Schema.Literals(literals), name);
}
/**
 * Creates a config for a boolean value parsed from common string
 * representations.
 *
 * **When to use**
 *
 * Use to read boolean flags from string-like config sources.
 *
 * **Details**
 *
 * Shortcut for `Config.schema(Config.Boolean, name)`.
 *
 * Accepted values: `true`, `false`, `yes`, `no`, `on`, `off`, `1`, `0`,
 * `y`, `n`.
 *
 * **Example** (Reading a boolean flag)
 *
 * ```ts
 * import { Config, ConfigProvider, Effect } from "effect"
 *
 * const program = Effect.gen(function*() {
 *   const flag = yield* Config.boolean("FEATURE_FLAG")
 *   console.log(flag)
 * })
 *
 * const provider = ConfigProvider.fromEnv({
 *   env: {
 *     FEATURE_FLAG: "yes"
 *   }
 * })
 *
 * Effect.runSync(
 *   program.pipe(Effect.provideService(ConfigProvider.ConfigProvider, provider))
 * )
 * // Output: true
 * ```
 *
 * @see {@link Boolean} for the underlying boolean codec
 *
 * @category constructors
 * @since 2.0.0
 */
export function boolean(name) {
  return schema(Boolean, name);
}
/**
 * Creates a config for a `Duration` value parsed from a human-readable
 * string.
 *
 * **When to use**
 *
 * Use to read time duration settings such as timeouts, intervals, or TTLs.
 *
 * **Details**
 *
 * Shortcut for `Config.schema(Schema.DurationFromString, name)`.
 *
 * Accepts any string that `Duration.fromInput` can parse (e.g.
 * `"10 seconds"`, `"500 millis"`, `"Infinity"`, `"-Infinity"`).
 *
 * **Example** (Reading a duration)
 *
 * ```ts
 * import { Config, ConfigProvider, Effect } from "effect"
 *
 * const program = Effect.gen(function*() {
 *   const duration = yield* Config.duration("DURATION")
 *   console.log(duration)
 * })
 *
 * const provider = ConfigProvider.fromEnv({
 *   env: {
 *     DURATION: "10 seconds"
 *   }
 * })
 *
 * Effect.runSync(
 *   program.pipe(Effect.provideService(ConfigProvider.ConfigProvider, provider))
 * )
 * // Output: Duration { _tag: "millis", value: 10000 }
 * ```
 *
 * @see {@link schema} for decoding configuration values with a custom codec
 *
 * @category constructors
 * @since 2.5.0
 */
export function duration(name) {
  return schema(Schema.DurationFromString, name);
}
/**
 * Creates a config for a port number (integer in 1–65535).
 *
 * **When to use**
 *
 * Use to read network port settings that must be valid port numbers.
 *
 * **Details**
 *
 * Shortcut for `Config.schema(Config.Port, name)`.
 *
 * **Example** (Reading a port)
 *
 * ```ts
 * import { Config, ConfigProvider, Effect } from "effect"
 *
 * const program = Effect.gen(function*() {
 *   const port = yield* Config.port("PORT")
 *   console.log(port)
 * })
 *
 * const provider = ConfigProvider.fromEnv({
 *   env: {
 *     PORT: "8080"
 *   }
 * })
 *
 * Effect.runSync(
 *   program.pipe(Effect.provideService(ConfigProvider.ConfigProvider, provider))
 * )
 * // Output: 8080
 * ```
 *
 * @see {@link int} for integer config values outside the port range
 * @see {@link Port} for the underlying port codec
 *
 * @category constructors
 * @since 3.16.0
 */
export function port(name) {
  return schema(Port, name);
}
/**
 * Creates a config for a log level string.
 *
 * **When to use**
 *
 * Use to read Effect log-level settings from configuration.
 *
 * **Details**
 *
 * Shortcut for `Config.schema(Config.LogLevel, name)`.
 *
 * Accepted values: `"All"`, `"Fatal"`, `"Error"`, `"Warn"`, `"Info"`,
 * `"Debug"`, `"Trace"`, `"None"`.
 *
 * **Example** (Reading a log level)
 *
 * ```ts
 * import { Config, ConfigProvider, Effect } from "effect"
 *
 * const program = Effect.gen(function*() {
 *   const logLevel = yield* Config.logLevel("LOG_LEVEL")
 *   console.log(logLevel)
 * })
 *
 * const provider = ConfigProvider.fromEnv({
 *   env: {
 *     LOG_LEVEL: "Info"
 *   }
 * })
 *
 * Effect.runSync(
 *   program.pipe(Effect.provideService(ConfigProvider.ConfigProvider, provider))
 * )
 * // Output: "Info"
 * ```
 *
 * @see {@link LogLevel} for the underlying log-level codec
 *
 * @category constructors
 * @since 2.0.0
 */
export function logLevel(name) {
  return schema(LogLevel, name);
}
/**
 * Creates a config for a redacted string value. The parsed result is wrapped
 * in a `Redacted` container that hides the value from logs and `toString`.
 *
 * **When to use**
 *
 * Use to read secret string settings that should not be exposed in logs or
 * string output.
 *
 * **Details**
 *
 * Shortcut for `Config.schema(Schema.Redacted(Schema.String), name)`.
 *
 * **Example** (Reading a secret)
 *
 * ```ts
 * import { Config, ConfigProvider, Effect } from "effect"
 *
 * const program = Effect.gen(function*() {
 *   const apiKey = yield* Config.redacted("API_KEY")
 *   console.log(apiKey)
 * })
 *
 * const provider = ConfigProvider.fromEnv({
 *   env: {
 *     API_KEY: "sk-1234567890abcdef"
 *   }
 * })
 *
 * Effect.runSync(
 *   program.pipe(Effect.provideService(ConfigProvider.ConfigProvider, provider))
 * )
 * // Output: <redacted>
 * ```
 *
 * @see {@link string} for non-secret string settings
 *
 * @category constructors
 * @since 2.0.0
 */
export function redacted(name) {
  return schema(Schema.Redacted(Schema.String), name);
}
/**
 * Creates a config for a `URL` value parsed from a string.
 *
 * **When to use**
 *
 * Use to read configuration values that must be valid URL strings.
 *
 * **Details**
 *
 * This is a shortcut for `Config.schema(Schema.URL, name)`.
 *
 * **Gotchas**
 *
 * Fails if the string cannot be parsed by the `URL` constructor.
 *
 * **Example** (Reading a URL)
 *
 * ```ts
 * import { Config, ConfigProvider, Effect } from "effect"
 *
 * const program = Effect.gen(function*() {
 *   const url = yield* Config.url("URL")
 *   console.log(url)
 * })
 *
 * const provider = ConfigProvider.fromEnv({
 *   env: {
 *     URL: "https://example.com"
 *   }
 * })
 *
 * Effect.runSync(
 *   program.pipe(Effect.provideService(ConfigProvider.ConfigProvider, provider))
 * )
 * // Output:
 * // URL {
 * //   href: 'https://example.com/',
 * //   origin: 'https://example.com',
 * //   protocol: 'https:',
 * //   username: '',
 * //   password: '',
 * //   host: 'example.com',
 * //   hostname: 'example.com',
 * //   port: '',
 * //   pathname: '/',
 * //   search: '',
 * //   searchParams: URLSearchParams {},
 * //   hash: ''
 * // }
 * ```
 *
 * @see {@link schema} for decoding configuration values with a custom codec
 *
 * @category constructors
 * @since 3.11.0
 */
export function url(name) {
  return schema(Schema.URL, name);
}
/**
 * Creates a config for a `Date` value parsed from a string.
 *
 * **When to use**
 *
 * Use to read date settings that must parse to valid `Date` values.
 *
 * **Details**
 *
 * Shortcut for `Config.schema(Schema.DateValid, name)`.
 *
 * **Gotchas**
 *
 * Fails with a `SchemaError` if the string produces an invalid `Date`.
 *
 * **Example** (Reading a date)
 *
 * ```ts
 * import { Config, ConfigProvider, Effect } from "effect"
 *
 * const createdAt = Config.date("CREATED_AT")
 *
 * const provider = ConfigProvider.fromUnknown({ CREATED_AT: "2024-01-15" })
 * // Effect.runSync(createdAt.parse(provider))
 * // Date("2024-01-15T00:00:00.000Z")
 * ```
 *
 * @category constructors
 * @since 2.0.0
 */
export function date(name) {
  return schema(Schema.DateValid, name);
}
/**
 * Scopes a config under a named prefix.
 *
 * **When to use**
 *
 * Use when grouping related config keys under a common namespace (e.g.
 *   `"database"`, `"redis"`).
 * - Building reusable config fragments that callers nest at different paths.
 *
 * **Details**
 *
 * The prefix is prepended to every key the inner config reads. With
 * `fromUnknown` this means an extra object level; with `fromEnv` it means
 * a `_`-separated prefix on env var names.
 *
 * Multiple `nested` calls compose: the outermost name becomes the
 * outermost path segment.
 *
 * **Example** (Nesting a struct config under `"database"`)
 *
 * ```ts
 * import { Config, ConfigProvider, Effect } from "effect"
 *
 * const dbConfig = Config.all({
 *   host: Config.string("host"),
 *   port: Config.number("port")
 * }).pipe(Config.nested("database"))
 *
 * const provider = ConfigProvider.fromUnknown({
 *   database: { host: "localhost", port: "5432" }
 * })
 * // Effect.runSync(dbConfig.parse(provider))
 * // { host: "localhost", port: 5432 }
 * ```
 *
 * **Example** (Env vars with nested prefix)
 *
 * ```ts
 * import { Config, ConfigProvider, Effect } from "effect"
 *
 * const host = Config.string("host").pipe(Config.nested("database"))
 *
 * const provider = ConfigProvider.fromEnv({
 *   env: { database_host: "localhost" }
 * })
 * // Effect.runSync(host.parse(provider)) // "localhost"
 * ```
 *
 * @see {@link all} – combine multiple configs into a struct
 * @see {@link schema} – read structured config from a schema
 *
 * @category combinators
 * @since 2.0.0
 */
export const nested = /*#__PURE__*/dual(2, (self, name) => make(provider => self.parse(ConfigProvider.nested(provider, name))));
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