/*
 * Copyright © 2020 Atomist, 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.
 */

import { Parameter, Parameters } from "@atomist/automation-client/lib/decorators";
import { EditMode } from "@atomist/automation-client/lib/operations/edit/editModes";
import { GitProject } from "@atomist/automation-client/lib/project/git/GitProject";
import { LoggingProgressLog } from "../../../api-helper/log/LoggingProgressLog";
import { spawnLog } from "../../../api-helper/misc/child_process";
import { CodeTransform } from "../../../api/registration/CodeTransform";
import { CodeTransformRegistration } from "../../../api/registration/CodeTransformRegistration";

@Parameters()
export class UpdatePackageVersionParameters {
    @Parameter({
        displayName: "Desired NPM version",
        description: "The desired NPM version to update to",
        pattern: /^.+$/,
        required: true,
    })
    public version: string;
}

export const UpdatePackageVersionTransform: CodeTransform<UpdatePackageVersionParameters> = async (p, ctx, params) => {
    const log = new LoggingProgressLog("npm version");
    await spawnLog("npm", ["version", "--no-git-tag-version", params.version], {
        cwd: (p as GitProject).baseDir,
        logCommand: false,
        log,
    });

    return p;
};

export const UpdatePackageVersion: CodeTransformRegistration<UpdatePackageVersionParameters> = {
    transform: UpdatePackageVersionTransform,
    paramsMaker: UpdatePackageVersionParameters,
    name: "UpdatePackageVersion",
    description: `Update NPM Package version`,
    intent: ["update package version"],
    transformPresentation: ci => {
        return new MasterCommit(ci.parameters);
    },
};

class MasterCommit implements EditMode {
    constructor(private readonly params: UpdatePackageVersionParameters) {}

    get message(): string {
        return `Update NPM package version to ${this.params ? this.params.version : ""}`;
    }

    get branch(): string {
        return "master";
    }
}