// Copyright (C) 2021 The Android Open Source Project
//
// 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.
package com.googlesource.gerrit.plugins.kinesis;

import static com.googlesource.gerrit.plugins.kinesis.Configuration.APPLICATION_NAME_FIELD;
import static com.googlesource.gerrit.plugins.kinesis.Configuration.AWS_LIB_LOG_LEVEL_FIELD;
import static com.googlesource.gerrit.plugins.kinesis.Configuration.DEFAULT_AWS_LIB_LOG_LEVEL;
import static com.googlesource.gerrit.plugins.kinesis.Configuration.DEFAULT_INITIAL_POSITION;
import static com.googlesource.gerrit.plugins.kinesis.Configuration.DEFAULT_MAX_RECORDS;
import static com.googlesource.gerrit.plugins.kinesis.Configuration.DEFAULT_NUMBER_OF_SUBSCRIBERS;
import static com.googlesource.gerrit.plugins.kinesis.Configuration.DEFAULT_POLLING_INTERVAL_MS;
import static com.googlesource.gerrit.plugins.kinesis.Configuration.DEFAULT_PUBLISH_SINGLE_REQUEST_TIMEOUT_MS;
import static com.googlesource.gerrit.plugins.kinesis.Configuration.DEFAULT_PUBLISH_TIMEOUT_MS;
import static com.googlesource.gerrit.plugins.kinesis.Configuration.DEFAULT_SEND_ASYNC;
import static com.googlesource.gerrit.plugins.kinesis.Configuration.DEFAULT_SEND_STREAM_EVENTS;
import static com.googlesource.gerrit.plugins.kinesis.Configuration.DEFAULT_SHUTDOWN_TIMEOUT_MS;
import static com.googlesource.gerrit.plugins.kinesis.Configuration.DEFAULT_STREAM_EVENTS_TOPIC;
import static com.googlesource.gerrit.plugins.kinesis.Configuration.ENDPOINT_FIELD;
import static com.googlesource.gerrit.plugins.kinesis.Configuration.INITIAL_POSITION_FIELD;
import static com.googlesource.gerrit.plugins.kinesis.Configuration.MAX_RECORDS_FIELD;
import static com.googlesource.gerrit.plugins.kinesis.Configuration.NUMBER_OF_SUBSCRIBERS_FIELD;
import static com.googlesource.gerrit.plugins.kinesis.Configuration.POLLING_INTERVAL_MS_FIELD;
import static com.googlesource.gerrit.plugins.kinesis.Configuration.PUBLISH_SINGLE_REQUEST_TIMEOUT_MS_FIELD;
import static com.googlesource.gerrit.plugins.kinesis.Configuration.PUBLISH_TIMEOUT_MS_FIELD;
import static com.googlesource.gerrit.plugins.kinesis.Configuration.REGION_FIELD;
import static com.googlesource.gerrit.plugins.kinesis.Configuration.SEND_ASYNC_FIELD;
import static com.googlesource.gerrit.plugins.kinesis.Configuration.SEND_STREAM_EVENTS_FIELD;
import static com.googlesource.gerrit.plugins.kinesis.Configuration.SHUTDOWN_MS_FIELD;
import static com.googlesource.gerrit.plugins.kinesis.Configuration.STREAM_EVENTS_TOPIC_FIELD;

import com.google.gerrit.extensions.annotations.PluginName;
import com.google.gerrit.pgm.init.api.ConsoleUI;
import com.google.gerrit.pgm.init.api.InitStep;
import com.google.gerrit.pgm.init.api.Section;
import com.google.gerrit.server.config.GerritInstanceIdProvider;
import com.google.inject.Inject;

public class InitConfig implements InitStep {
  private final Section pluginSection;
  private final String pluginName;
  private final ConsoleUI ui;
  private final GerritInstanceIdProvider gerritInstanceIdProvider;

  @Inject
  InitConfig(
      Section.Factory sections,
      @PluginName String pluginName,
      GerritInstanceIdProvider gerritInstanceIdProvider,
      ConsoleUI ui) {
    this.pluginName = pluginName;
    this.ui = ui;
    this.gerritInstanceIdProvider = gerritInstanceIdProvider;
    this.pluginSection = sections.get("plugin", pluginName);
  }

  @Override
  public void run() throws Exception {
    ui.header(String.format("%s plugin", pluginName));

    pluginSection.string("AWS region (leave blank for default provider chain)", REGION_FIELD, null);
    pluginSection.string("AWS endpoint (dev or testing, not for production)", ENDPOINT_FIELD, null);

    boolean sendStreamEvents = ui.yesno(DEFAULT_SEND_STREAM_EVENTS, "Should send stream events?");
    pluginSection.set(SEND_STREAM_EVENTS_FIELD, Boolean.toString(sendStreamEvents));

    if (sendStreamEvents) {
      pluginSection.string(
          "Stream events topic", STREAM_EVENTS_TOPIC_FIELD, DEFAULT_STREAM_EVENTS_TOPIC);
    }
    pluginSection.string(
        "Number of subscribers", NUMBER_OF_SUBSCRIBERS_FIELD, DEFAULT_NUMBER_OF_SUBSCRIBERS);
    pluginSection.string("Application name", APPLICATION_NAME_FIELD, pluginName);
    pluginSection.string("Initial position", INITIAL_POSITION_FIELD, DEFAULT_INITIAL_POSITION);
    pluginSection.string(
        "Polling Interval (ms)",
        POLLING_INTERVAL_MS_FIELD,
        Long.toString(DEFAULT_POLLING_INTERVAL_MS));
    pluginSection.string(
        "Maximum number of record to fetch",
        MAX_RECORDS_FIELD,
        Integer.toString(DEFAULT_MAX_RECORDS));

    pluginSection.string(
        "Maximum total time waiting for a publish result (ms)",
        PUBLISH_SINGLE_REQUEST_TIMEOUT_MS_FIELD,
        Long.toString(DEFAULT_PUBLISH_SINGLE_REQUEST_TIMEOUT_MS));

    pluginSection.string(
        "Maximum total time waiting for publishing, including retries",
        PUBLISH_TIMEOUT_MS_FIELD,
        Long.toString(DEFAULT_PUBLISH_TIMEOUT_MS));

    pluginSection.string(
        "Maximum total time waiting when shutting down (ms)",
        SHUTDOWN_MS_FIELD,
        Long.toString(DEFAULT_SHUTDOWN_TIMEOUT_MS));
    pluginSection.string(
        "Which level AWS libraries should log at",
        AWS_LIB_LOG_LEVEL_FIELD,
        DEFAULT_AWS_LIB_LOG_LEVEL.toString());

    boolean sendAsync = ui.yesno(DEFAULT_SEND_ASYNC, "Should send messages asynchronously?");
    pluginSection.set(SEND_ASYNC_FIELD, Boolean.toString(sendAsync));
  }
}