import { db } from "../../../../database/dbclient.js";
import { notifications } from "../../../../database/schema/notifications.js";
import { tryCatch } from "../../../globalUtils/tryCatch.js";
import type { JobInfo } from "../../../types/JobInfo.js";
import { createLog } from "../../logger/logger.js";
import { Cron } from "croner";

// Store active timeouts by notification ID
export let runningCrons: Record<string, Cron> = {};

export const startNotificationMonitor = async () => {
    // if restarted or crashed we need to make sure the running notifications is cleared
    createLog("info", "notify", "notify", `Notification system is now active.`);

    setInterval(async () => {
        const { data, error } = await tryCatch(db.select().from(notifications));

        if (error) {
            createLog(
                "error",
                "notify",
                "notify",
                `There was an error getting the notifications: ${JSON.stringify(
                    error
                )}`
            );
        }

        const notes: any = data;

        for (const note of notes) {
            //if we get deactivated remove it.
            if (runningCrons[note.name] && !note.active) {
                createLog(
                    "info",
                    "notify",
                    "notify",
                    `${note.name} was just deactivated`
                );
                removeNotification(note.name);
            }

            // if we are not active, no emails, and already in place just stop.

            if (
                !note.active ||
                // note.emails === "" ||
                runningCrons[note.name]
            ) {
                continue;
            }

            if (!runningCrons[note.name] && note.active) {
                createLog(
                    "info",
                    "notify",
                    "notify",
                    `${note.name} Is active and not already running.`
                );
            }

            let time = `*/30 * * * *`; // default to be every 30 min

            if (note.timeType === "min") {
                //console.log(`Creating the min mark here`);
                const totalMinutes = note.checkInterval;
                if (note.checkInterval > 60) {
                    const hours = Math.floor(totalMinutes / 60); // 1 hour
                    const minutes = totalMinutes % 60; // 45 minutes
                    time = `*/${minutes} */${hours} * * *`;
                } else {
                    time = `*/${note.checkInterval} * * * *`;
                }
            }
            if (note.timeType === "hour") {
                const totalHours = note.checkInterval;
                if (note.checkInterval > 60) {
                    const days = Math.floor(totalHours / 24); // 1 hour
                    const hours = totalHours % 24; // 45 minutes
                    time = `* */${hours} */${days} * *`;
                } else {
                    time = `* */${note.checkInterval} * * *`;
                }
            }

            createJob(note.name, time, async () => {
                try {
                    const { default: runFun } = await import(
                        `../controller/notifications/${note.name}.js`
                    );
                    await runFun(note);
                } catch (error: any) {
                    createLog(
                        "error",
                        "notify",
                        note.name,
                        `Error running notification: ${error.message}`
                    );
                }
            });

            //testParse(runningNotifcations[note.name]);
        }
    }, 5 * 1000);
};

const createJob = (id: string, schedule: string, task: () => Promise<void>) => {
    // Destroy existing job if it exists
    if (runningCrons[id]) {
        runningCrons[id].stop(); // Croner uses .stop() instead of .destroy()
    }

    // Create new job with Croner
    runningCrons[id] = new Cron(
        schedule,
        {
            timezone: "America/Chicago",
            catch: true, // Prevents unhandled rejections
        },
        task
    );

    // Optional: Add error handling (Croner emits 'error' events)
    // runningNotifications[id].on("error", (err) => {
    //     console.error(`Job ${id} failed:`, err);
    // });
};

export const getAllJobs = (): JobInfo[] => {
    return Object.entries(runningCrons).map(([id, job]) => ({
        id,
        schedule: job.getPattern() || "invalid",
        nextRun: job.nextRun() || null,
        lastRun: job.previousRun() || null,
        isRunning: job ? !job.isStopped() : false,
    }));
};

const removeNotification = (id: any) => {
    if (runningCrons[id]) {
        runningCrons[id].stop();
        delete runningCrons[id];
    }
};

export const stopAllJobs = () => {
    Object.values(runningCrons).forEach((job: any) => job.stop());
    runningCrons = {}; // Clear the object
};

/*
// Pause a job
app.post("/api/jobs/:id/pause", (req, res) => {
  runningNotifications[req.params.id]?.pause();
  res.json({ success: true });
});

// Resume a job
app.post("/api/jobs/:id/resume", (req, res) => {
  runningNotifications[req.params.id]?.resume();
  res.json({ success: true });
});

// Delete a job
app.delete("/api/jobs/:id", (req, res) => {
  runningNotifications[req.params.id]?.stop();
  delete runningNotifications[req.params.id];
  res.json({ success: true });
});


*/