"use strict";
/**
 * @license
 * Copyright 2017 Palantir Technologies, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
var tsutils_1 = require("tsutils");
var ts = require("typescript");
var Lint = require("../index");
var Rule = /** @class */ (function (_super) {
    tslib_1.__extends(Rule, _super);
    function Rule() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    Rule.METH_SIGN_STRING = function (ps) {
        var type = ps.type, questionToken = ps.questionToken;
        var result = ps.name.getText();
        if (questionToken !== undefined) {
            result += "?";
        }
        if (type !== undefined && tsutils_1.isFunctionTypeNode(type) && type.type !== undefined) {
            if (type.typeParameters !== undefined) {
                var tps = type.typeParameters.map(function (tp) { return tp.getText(); }).join(", ");
                result += "<" + tps + ">";
            }
            var args = type.parameters.map(function (v) { return v.getText(); }).join(", ");
            result += "(" + args + "): " + type.type.getText() + ";";
        }
        return result;
    };
    Rule.prototype.apply = function (sourceFile) {
        return this.applyWithFunction(sourceFile, walk);
    };
    /* tslint:disable:object-literal-sort-keys */
    Rule.metadata = {
        ruleName: "prefer-method-signature",
        description: "Prefer `foo(): void` over `foo: () => void` in interfaces and types.",
        hasFix: true,
        optionsDescription: "Not configurable.",
        options: null,
        optionExamples: [true],
        type: "style",
        typescriptOnly: false,
    };
    /* tslint:enable:object-literal-sort-keys */
    Rule.FAILURE_STRING = "Use a method signature instead of a property signature of function type.";
    return Rule;
}(Lint.Rules.AbstractRule));
exports.Rule = Rule;
function walk(ctx) {
    return ts.forEachChild(ctx.sourceFile, function cb(node) {
        if (tsutils_1.isPropertySignature(node)) {
            var type = node.type;
            if (type !== undefined && tsutils_1.isFunctionTypeNode(type)) {
                ctx.addFailureAtNode(node.name, Rule.FAILURE_STRING, type.type === undefined
                    ? undefined
                    : [Lint.Replacement.replaceNode(node, Rule.METH_SIGN_STRING(node))]);
            }
        }
        return ts.forEachChild(node, cb);
    });
}
