const path = require("path");
require("dotenv").config({ path: path.resolve(__dirname, "../.env") });

const LibWinston = require("../library/LibWinston");
const OrderStatusModels = require("../models/OrderStatusModels");
const db = require("../config/dbMysqlConn");
const moment = require("moment");

const schedulerName = "UPDATE JOB STATUS";
const Logger = LibWinston.initialize(schedulerName);

// ✅ Status constants
const STATUS = {
	AWAL: 22,
	DI_PICKUP: 2,
	OTW: 3,
	SAMPAI: 4,
};

// 🔍 Fungsi Haversine untuk jarak circle
function haversine(lat1, lon1, lat2, lon2) {
	const toRad = (x) => (x * Math.PI) / 180;
	const R = 6371 * 1000; // radius bumi meter

	const dLat = toRad(lat2 - lat1);
	const dLon = toRad(lon2 - lon1);

	const a = Math.sin(dLat / 2) ** 2 + Math.cos(toRad(lat1)) * Math.cos(toRad(lat2)) * Math.sin(dLon / 2) ** 2;

	const c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
	return R * c; // hasil meter
}

// 🔍 Fungsi cek point di dalam square (bounding box)
function isPointInSquare(point, boundaryLatLngs) {
	const lats = boundaryLatLngs.map((p) => parseFloat(p.lat));
	const lngs = boundaryLatLngs.map((p) => parseFloat(p.lng));
	const minLat = Math.min(...lats);
	const maxLat = Math.max(...lats);
	const minLng = Math.min(...lngs);
	const maxLng = Math.max(...lngs);

	return point.lat >= minLat && point.lat <= maxLat && point.lng >= minLng && point.lng <= maxLng;
}

const go = async () => {
	Logger.log("info", `${schedulerName}: ${moment().format("YYYY-MM-DD HH:mm:ss")}`);

	try {
		const result = await OrderStatusModels.GetList();
		const rows = result.rows;
		if (!rows || rows.length === 0) return;
		console.log("rows: ", rows);

		for (let row of rows) {
			if (!row.pck_latlng || !row.drp_latlng || !row.latitude || !row.longitude) continue;

			const lat = parseFloat(row.latitude);
			const lng = parseFloat(row.longitude);
			if (isNaN(lat) || isNaN(lng)) continue;

			let pckBoundary, drpBoundary;
			try {
				pckBoundary = JSON.parse(row.pck_latlng);
				drpBoundary = JSON.parse(row.drp_latlng);
			} catch (e) {
				Logger.log("error", `Invalid JSON for order ${row.ord_code}`);
				continue;
			}

			// Ambil center titik untuk perhitungan jarak circle
			const pckCenter = pckBoundary[0];
			const drpCenter = drpBoundary[0];

			const distToPickup = haversine(lat, lng, parseFloat(pckCenter.lat), parseFloat(pckCenter.lng));
			const distToDrop = haversine(lat, lng, parseFloat(drpCenter.lat), parseFloat(drpCenter.lng));

			// Tentukan apakah di pickup zone
			let inPickupZone = false;
			if (row.pck_type === "circle") {
				inPickupZone = distToPickup <= row.pck_radius;
			} else if (row.pck_type === "square") {
				inPickupZone = isPointInSquare({ lat, lng }, pckBoundary);
			}

			// Tentukan apakah di drop zone
			let inDropZone = false;
			if (row.drp_type === "circle") {
				inDropZone = distToDrop <= row.drp_radius;
			} else if (row.drp_type === "square") {
				inDropZone = isPointInSquare({ lat, lng }, drpBoundary);
			}

			let newStatus = row.status;
			if (inPickupZone) {
				newStatus = STATUS.DI_PICKUP;
			} else if (!inPickupZone && !inDropZone) {
				newStatus = STATUS.OTW;
			} else if (inDropZone) {
				newStatus = STATUS.SAMPAI;
			}

			if (newStatus !== row.status) {
				await new Promise((resolve, reject) => {
					db.query(`UPDATE t_orders SET status = ? WHERE code = ?`, [newStatus, row.ord_code], (err) => {
						if (err) {
							Logger.log("error", `Gagal update status order ${row.ord_code}: ${err.message}`);
							return reject(err);
						}
						console.log(`Order ${row.ord_code}: status updated from ${row.status} to ${newStatus}`);
						resolve();
					});
				});

				// Jika sudah sampai (status SAMPAI), reset data kendaraan
				if (newStatus === STATUS.SAMPAI) {
					await new Promise((resolve, reject) => {
						db.query(`UPDATE t_vehicles SET is_in_ord = 2, ord_id = 0, ord_code = '0' WHERE id = ?`, [row.id], (err) => {
							if (err) {
								Logger.log("error", `Gagal reset kendaraan ID ${row.id}: ${err.message}`);
								return reject(err);
							}
							console.log(`Vehicle ${row.id} reset: is_in_ord=2, ord_id=0, ord_code='0'`);
							resolve();
						});
					});
				}
			}
		}
	} catch (error) {
		Logger.log("error", `Job error: ${error.message}`);
	}
};

const index = async () => {
	while (true) {
		await go();
		await new Promise((r) => setTimeout(r, 3000));
	}
};

index();