import { flow, identity } from 'fp-ts/es6/function';
import { pipe } from 'fp-ts/es6/pipeable';
import * as _ from './internal';
// -------------------------------------------------------------------------------------
// constructors
// -------------------------------------------------------------------------------------
/**
 * @category constructors
 * @since 2.3.8
 */
export var iso = _.iso;
/**
 * @category constructors
 * @since 2.3.0
 */
export var id = function () { return iso(identity, identity); };
// -------------------------------------------------------------------------------------
// converters
// -------------------------------------------------------------------------------------
/**
 * View an `Iso` as a `Lens`.
 *
 * @category converters
 * @since 2.3.0
 */
export var asLens = _.isoAsLens;
/**
 * View an `Iso` as a `Prism`.
 *
 * @category converters
 * @since 2.3.0
 */
export var asPrism = _.isoAsPrism;
/**
 * View an `Iso` as a `Optional`.
 *
 * @category converters
 * @since 2.3.0
 */
export var asOptional = _.isoAsOptional;
/**
 * View an `Iso` as a `Traversal`.
 *
 * @category converters
 * @since 2.3.0
 */
export var asTraversal = _.isoAsTraversal;
// -------------------------------------------------------------------------------------
// compositions
// -------------------------------------------------------------------------------------
/**
 * Compose an `Iso` with an `Iso`.
 *
 * @category compositions
 * @since 2.3.0
 */
export var compose = function (ab) { return function (sa) {
    return iso(flow(sa.get, ab.get), flow(ab.reverseGet, sa.reverseGet));
}; };
/**
 * Alias of `compose`.
 *
 * @category compositions
 * @since 2.3.8
 */
export var composeIso = compose;
/**
 * Compose an `Iso` with a `Lens`.
 *
 * @category compositions
 * @since 2.3.8
 */
export var composeLens = function (ab) {
    return flow(asLens, _.lensComposeLens(ab));
};
/**
 * Compose an `Iso` with a `Prism`.
 *
 * @category compositions
 * @since 2.3.8
 */
export var composePrism = function (ab) {
    return flow(asPrism, _.prismComposePrism(ab));
};
/**
 * Compose an `Iso` with a `Optional`.
 *
 * @category compositions
 * @since 2.3.8
 */
export var composeOptional = function (ab) {
    return flow(asOptional, _.optionalComposeOptional(ab));
};
/**
 * Compose an `Iso` with a `Traversal`.
 *
 * @category compositions
 * @since 2.3.8
 */
export var composeTraversal = function (ab) {
    return flow(asTraversal, _.traversalComposeTraversal(ab));
};
// -------------------------------------------------------------------------------------
// combinators
// -------------------------------------------------------------------------------------
/**
 * @category constructors
 * @since 2.3.0
 */
export var reverse = function (sa) { return iso(sa.reverseGet, sa.get); };
/**
 * @category combinators
 * @since 2.3.0
 */
export var modify = function (f) { return function (sa) { return function (s) {
    return sa.reverseGet(f(sa.get(s)));
}; }; };
export function modifyF(F) {
    return function (f) { return function (sa) { return function (s) { return pipe(sa.get(s), f, function (fa) { return F.map(fa, sa.reverseGet); }); }; }; };
}
/**
 * Return a `Prism` from a `Iso` focused on a nullable value.
 *
 * @category combinators
 * @since 2.3.8
 */
export var fromNullable = function (sa) {
    return composePrism(_.prismFromNullable())(sa);
};
export function filter(predicate) {
    return composePrism(_.prismFromPredicate(predicate));
}
/**
 * Return a `Lens` from a `Iso` and a prop.
 *
 * @category combinators
 * @since 2.3.8
 */
export var prop = function (prop) {
    return flow(asLens, _.lensProp(prop));
};
/**
 * Return a `Lens` from a `Iso` and a list of props.
 *
 * @category combinators
 * @since 2.3.8
 */
export var props = function () {
    var props = [];
    for (var _i = 0; _i < arguments.length; _i++) {
        props[_i] = arguments[_i];
    }
    return flow(asLens, _.lensProps.apply(_, props));
};
/**
 * Return a `Lens` from a `Iso` focused on a component of a tuple.
 *
 * @category combinators
 * @since 2.3.8
 */
export var component = function (prop) { return flow(asLens, _.lensComponent(prop)); };
/**
 * Return a `Optional` from a `Iso` focused on an index of a `ReadonlyArray`.
 *
 * @category combinators
 * @since 2.3.8
 */
export var index = function (i) {
    return flow(asOptional, _.optionalIndex(i));
};
/**
 * Return a `Optional` from a `Iso` focused on an index of a `ReadonlyNonEmptyArray`.
 *
 * @category combinators
 * @since 2.3.8
 */
export var indexNonEmpty = function (i) {
    return flow(asOptional, _.optionalIndexNonEmpty(i));
};
/**
 * Return a `Optional` from a `Iso` focused on a key of a `ReadonlyRecord`.
 *
 * @category combinators
 * @since 2.3.8
 */
export var key = function (key) {
    return flow(asOptional, _.optionalKey(key));
};
/**
 * Return a `Lens` from a `Iso` focused on a required key of a `ReadonlyRecord`.
 *
 * @category combinators
 * @since 2.3.8
 */
export var atKey = function (key) {
    return flow(asLens, _.lensAtKey(key));
};
/**
 * Return a `Prism` from a `Iso` focused on the `Some` of a `Option` type.
 *
 * @category combinators
 * @since 2.3.8
 */
export var some = 
/*#__PURE__*/
composePrism(/*#__PURE__*/ _.prismSome());
/**
 * Return a `Prism` from a `Iso` focused on the `Right` of a `Either` type.
 *
 * @category combinators
 * @since 2.3.8
 */
export var right = 
/*#__PURE__*/
composePrism(/*#__PURE__*/ _.prismRight());
/**
 * Return a `Prism` from a `Iso` focused on the `Left` of a `Either` type.
 *
 * @category combinators
 * @since 2.3.8
 */
export var left = 
/*#__PURE__*/
composePrism(/*#__PURE__*/ _.prismLeft());
/**
 * Return a `Traversal` from a `Iso` focused on a `Traversable`.
 *
 * @category combinators
 * @since 2.3.8
 */
export function traverse(T) {
    return flow(asTraversal, _.traversalTraverse(T));
}
export function findFirst(predicate) {
    return composeOptional(_.optionalFindFirst(predicate));
}
export function findFirstNonEmpty(predicate) {
    return composeOptional(_.optionalFindFirstNonEmpty(predicate));
}
// -------------------------------------------------------------------------------------
// pipeables
// -------------------------------------------------------------------------------------
/**
 * @category Invariant
 * @since 2.3.0
 */
export var imap = function (f, g) { return function (ea) {
    return imap_(ea, f, g);
}; };
// -------------------------------------------------------------------------------------
// instances
// -------------------------------------------------------------------------------------
var imap_ = function (ea, ab, ba) { return iso(flow(ea.get, ab), flow(ba, ea.reverseGet)); };
/**
 * @category instances
 * @since 2.3.0
 */
export var URI = 'monocle-ts/Iso';
/**
 * @category instances
 * @since 2.3.0
 */
export var Invariant = {
    URI: URI,
    imap: imap_
};
/**
 * @category instances
 * @since 2.3.8
 */
export var Semigroupoid = {
    URI: URI,
    compose: function (ab, ea) { return compose(ab)(ea); }
};
/**
 * @category instances
 * @since 2.3.0
 */
export var Category = {
    URI: URI,
    compose: Semigroupoid.compose,
    id: id
};