import { AppCommand, CommandResult, ErrorCodes, failure, hasArg, help, longName, required, shortName, success } from "../../../util/commandline";
import { AppCenterClient, models, clientRequest, ClientResponse } from "../../../util/apis";
import { out } from "../../../util/interaction";
import { inspect } from "util";
import * as _ from "lodash";
import { reportBuild, getBuildReportObject } from "./lib/format-build";

const debug = require("debug")("appcenter-cli:commands:build:branches:show");

@help("Show branch build status")
export default class ShowBranchBuildStatusCommand extends AppCommand {

  @help("Branch name for status check")
  @shortName("b")
  @longName("branch")
  @required
  @hasArg
  public branchName: string;

  async run(client: AppCenterClient, portalBaseUrl: string): Promise<CommandResult> {
    const app = this.app;

    debug(`Getting builds for branch ${this.branchName}`);
    let branchBuildsRequestResponse: ClientResponse<models.Build[]>;
    try {
      branchBuildsRequestResponse = await out.progress(`Getting builds for branch ${this.branchName}...`,
        clientRequest<models.Build[]>((cb) => client.builds.listByBranch(this.branchName, app.ownerName, app.appName, cb)));
    } catch (error) {
      if (error.statusCode === 400) {
        return failure(ErrorCodes.IllegalCommand, `app ${app.appName} is not configured for building`);
      } else {
        debug(`Request failed - ${inspect(error)}`);
        return failure(ErrorCodes.Exception, "the Branch Builds request was rejected for an unknown reason");
      }
    }

    const builds = branchBuildsRequestResponse.result;

    if (builds.length === 0) {
      out.text(`There are no builds for the branch ${this.branchName}`);
      return success();
    }

    // Taking last build
    const lastBuild = _.maxBy(builds, (build) => Number(build.id));

    debug(`Getting commit info for commit ${lastBuild.sourceVersion}`);
    let commitInfoRequestResponse: ClientResponse<models.CommitDetails[]>;
    try {
      commitInfoRequestResponse = await out.progress(`Getting commit info for ${lastBuild.sourceVersion}...`,
        clientRequest<models.CommitDetails[]>((cb) => client.commits.listByShaList([lastBuild.sourceVersion], app.ownerName, app.appName, cb)));
    } catch (error) {
      debug(`Request failed - ${inspect(error)}`);
      return failure(ErrorCodes.Exception, "the Branch Builds request was rejected for an unknown reason");
    }

    const commitInfo = commitInfoRequestResponse.result[0];

    reportBuild(getBuildReportObject(lastBuild, commitInfo, app, portalBaseUrl));

    return success();
  }
}