import { LoggedModel, ProjectModel } from "../../../models/vaModel.js";


async function va_log_callback(req, res) {
    try {
        const { projectId, from, to } = req.params;
        const { vaId } = req.body;

        if (!projectId) return res.status(400).json({ success: false, message: "Missing Props" })

        const project = await ProjectModel.findById(projectId);

        if (!project) return res.status(400).json({ success: false, message: "Project not found" });

        // Default range
        const fromDate = from && from !== "undefined" ? new Date(from) : new Date(project.startDate || "2000-01-01");
        const toDate = to && to !== "undefined" ? new Date(to) : new Date();

        // If from and to are the same day
        if (from === to) {
            fromDate.setHours(0, 0, 0, 0);
            toDate.setHours(23, 59, 59, 999);
        } else {
            // Otherwise use them as a normal range
            toDate.setHours(23, 59, 59, 999);
        }

        const query = {
            vaId: vaId,
            projectId,
            time: {
                $gte: fromDate,
                $lte: toDate
            }
        };


        const logs = await LoggedModel.find(query).sort({ time: 1 });

        if (!logs.length) {
            return res.json({ success: true, message: "No logs found", totalWork: "0h 0m" });
        }

        // Find first LOGIN and last LOGOUT
        const firstLogin = logs.find((l) => l.loggedType === "LOGIN");
        const lastLogout = [...logs].reverse().find((l) => l.loggedType === "LOGOUT");

        if (!firstLogin || !lastLogout) {
            return res.json({
                success: true,
                message: "Incomplete log data (missing LOGIN or LOGOUT)",
                totalWork: "0h 0m",
                firstLogin,
                lastLogout,
            });
        }

        // Calculate duration
        const diffMs = new Date(lastLogout.time) - new Date(firstLogin.time);
        const totalMinutes = Math.floor(diffMs / (1000 * 60));
        const hours = Math.floor(totalMinutes / 60);
        const minutes = totalMinutes % 60;

        res.json({
            success: true,
            vaId,
            projectId,
            firstLogin: firstLogin.time,
            lastLogout: lastLogout.time,
            logs: logs,
            totalTimeLogged: `${hours}h ${minutes}m`,
            hoursLogged: hours,
            minutesLogged: minutes,
        });

    } catch (err) {
        console.error(err);
        res.status(500).json({ success: false, message: err.message });
    }
};

export { va_log_callback };