/*
Copyright (C) 2017  Cloudbase Solutions SRL
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

import Api from "@src/utils/ApiCaller";
import configLoader from "@src/utils/Config";
import DateUtils from "@src/utils/DateUtils";

import type { Schedule } from "@src/@types/Schedule";
class ScheduleSource {
  async scheduleSinge(
    replicaId: string,
    scheduleData: Schedule
  ): Promise<Schedule> {
    const payload: any = {
      schedule: {},
      expiration_date: null,
      enabled: scheduleData.enabled == null ? false : scheduleData.enabled,
      shutdown_instance:
        scheduleData.shutdown_instances == null
          ? false
          : scheduleData.shutdown_instances,
    };

    if (scheduleData.expiration_date) {
      payload.expiration_date = new Date(
        scheduleData.expiration_date
      ).toISOString();
    }

    if (scheduleData.schedule != null) {
      Object.keys(scheduleData.schedule).forEach(prop => {
        const scheduleDataAny: any = scheduleData;
        if (
          scheduleDataAny.schedule &&
          scheduleDataAny.schedule[prop] != null
        ) {
          payload.schedule[prop] = scheduleDataAny.schedule[prop];
        }
      });
    }

    const response = await Api.send({
      url: `${configLoader.config.servicesUrls.coriolis}/${Api.projectId}/replicas/${replicaId}/schedules`,
      method: "POST",
      data: payload,
    });
    return response.data.schedule;
  }

  async scheduleMultiple(
    replicaId: string,
    schedules: Schedule[]
  ): Promise<Schedule[]> {
    const scheduledSchedules: Schedule[] = await Promise.all(
      schedules.map(async schedule => {
        const scheduledSchedule: Schedule = await this.scheduleSinge(
          replicaId,
          schedule
        );
        return scheduledSchedule;
      })
    );
    return scheduledSchedules;
  }

  async getSchedules(
    replicaId: string,
    opts?: { skipLog?: boolean }
  ): Promise<Schedule[]> {
    const response = await Api.send({
      url: `${configLoader.config.servicesUrls.coriolis}/${Api.projectId}/replicas/${replicaId}/schedules`,
      skipLog: opts && opts.skipLog,
    });

    const schedules: any[] = response.data.schedules.map((s: any) => ({
      ...s,
      expiration_date: s.expiration_date
        ? DateUtils.getUtcDate(s.expiration_date).toJSDate()
        : undefined,
      shutdown_instances:
        s.shutdown_instance != null ? s.shutdown_instance : undefined,
    }));
    schedules.sort(
      (a, b) =>
        new Date(a.created_at).getTime() - new Date(b.created_at).getTime()
    );
    return schedules;
  }

  async addSchedule(replicaId: string, schedule: Schedule): Promise<Schedule> {
    const payload: any = {
      schedule: { hour: 0, minute: 0 },
      enabled: false,
    };
    if (schedule && schedule.schedule) {
      payload.schedule = { ...schedule.schedule };
    }

    const response = await Api.send({
      url: `${configLoader.config.servicesUrls.coriolis}/${Api.projectId}/replicas/${replicaId}/schedules`,
      method: "POST",
      data: payload,
    });
    return response.data.schedule;
  }

  async removeSchedule(replicaId: string, scheduleId: string): Promise<void> {
    await Api.send({
      url: `${configLoader.config.servicesUrls.coriolis}/${Api.projectId}/replicas/${replicaId}/schedules/${scheduleId}`,
      method: "DELETE",
    });
  }

  async updateSchedule(opts: {
    replicaId: string;
    scheduleId: string;
    scheduleData: Schedule;
    scheduleOldData: Schedule | null | undefined;
    unsavedData: Schedule | null | undefined;
  }): Promise<Schedule> {
    const {
      replicaId,
      scheduleId,
      scheduleData,
      scheduleOldData,
      unsavedData,
    } = opts;
    const payload: any = {};
    if (scheduleData.enabled != null) {
      payload.enabled = scheduleData.enabled;
    }
    if (scheduleData.shutdown_instances != null) {
      payload.shutdown_instance = scheduleData.shutdown_instances;
    }
    if (unsavedData?.expiration_date) {
      payload.expiration_date = new Date(
        unsavedData.expiration_date
      ).toISOString();
    }
    if (
      unsavedData &&
      unsavedData.schedule != null &&
      Object.keys(unsavedData.schedule).length
    ) {
      if (scheduleOldData) {
        payload.schedule = { ...scheduleOldData.schedule };
      }
      Object.keys(unsavedData.schedule).forEach(prop => {
        const unsavedDataAny: any = unsavedData;
        if (unsavedDataAny?.schedule && unsavedDataAny.schedule[prop] != null) {
          payload.schedule[prop] = unsavedDataAny.schedule[prop];
        } else {
          delete payload.schedule[prop];
        }
      });
    }

    const response = await Api.send({
      url: `${configLoader.config.servicesUrls.coriolis}/${Api.projectId}/replicas/${replicaId}/schedules/${scheduleId}`,
      method: "PUT",
      data: payload,
    });
    const s = { ...response.data.schedule };
    if (s.expiration_date) {
      s.expiration_date = DateUtils.getUtcDate(s.expiration_date);
    }
    if (s.shutdown_instance) {
      s.shutdown_instances = s.shutdown_instance;
    }
    return s;
  }
}

export default new ScheduleSource();