import schedule from "node-schedule";

import prisma from "@calcom/prisma";
import { WebhookTriggerEvents } from "@calcom/prisma/enums";

export async function scheduleTrigger(
  booking: { id: number; endTime: Date; scheduledJobs: string[] },
  subscriberUrl: string,
  subscriber: { id: string; appId: string | null }
) {
  try {
    //schedule job to call subscriber url at the end of meeting
    const job = schedule.scheduleJob(
      `${subscriber.appId}_${subscriber.id}`,
      booking.endTime,
      async function () {
        const body = JSON.stringify({ triggerEvent: WebhookTriggerEvents.MEETING_ENDED, ...booking });
        await fetch(subscriberUrl, {
          method: "POST",
          body,
        });

        //remove scheduled job from bookings once triggered
        const updatedScheduledJobs = booking.scheduledJobs.filter((scheduledJob) => {
          return scheduledJob !== `${subscriber.appId}_${subscriber.id}`;
        });

        await prisma.booking.update({
          where: {
            id: booking.id,
          },
          data: {
            scheduledJobs: updatedScheduledJobs,
          },
        });
      }
    );

    //add scheduled job name to booking
    await prisma.booking.update({
      where: {
        id: booking.id,
      },
      data: {
        scheduledJobs: {
          push: job.name,
        },
      },
    });
  } catch (error) {
    console.error("Error cancelling scheduled jobs", error);
  }
}

export async function cancelScheduledJobs(
  booking: { uid: string; scheduledJobs?: string[] },
  appId?: string | null,
  isReschedule?: boolean
) {
  try {
    let scheduledJobs = booking.scheduledJobs || [];

    if (booking.scheduledJobs) {
      booking.scheduledJobs.forEach(async (scheduledJob) => {
        if (appId) {
          if (scheduledJob.startsWith(appId)) {
            if (schedule.scheduledJobs[scheduledJob]) {
              schedule.scheduledJobs[scheduledJob].cancel();
            }
            scheduledJobs = scheduledJobs?.filter((job) => scheduledJob !== job) || [];
          }
        } else {
          //if no specific appId given, delete all scheduled jobs of booking
          if (schedule.scheduledJobs[scheduledJob]) {
            schedule.scheduledJobs[scheduledJob].cancel();
          }
          scheduledJobs = [];
        }

        if (!isReschedule) {
          await prisma.booking.update({
            where: {
              uid: booking.uid,
            },
            data: {
              scheduledJobs: scheduledJobs,
            },
          });
        }
      });
    }
  } catch (error) {
    console.error("Error cancelling scheduled jobs", error);
  }
}