frappe.provide("erpnext.timesheet");

erpnext.timesheet.timer = function (frm, row, timestamp = 0) {
	let dialog = new frappe.ui.Dialog({
		title: __("Timer"),
		fields: [
			{
				fieldtype: "Link",
				label: __("Activity Type"),
				fieldname: "activity_type",
				reqd: 1,
				options: "Activity Type",
			},
			{ fieldtype: "Link", label: __("Project"), fieldname: "project", options: "Project" },
			{ fieldtype: "Link", label: __("Task"), fieldname: "task", options: "Task" },
			{ fieldtype: "Float", label: __("Expected Hrs"), fieldname: "expected_hours" },
			{ fieldtype: "Section Break" },
			{ fieldtype: "HTML", fieldname: "timer_html" },
		],
	});
	if (row) {
		dialog.set_values({
			activity_type: row.activity_type,
			project: row.project,
			task: row.task,
			expected_hours: row.expected_hours,
		});
	} else {
		dialog.set_values({
			project: frm.doc.parent_project,
		});
	}
	dialog.get_field("timer_html").$wrapper.append(get_timer_html());
	function get_timer_html() {
		return `
			<div class="stopwatch">
				<span class="hours">00</span>
				<span class="colon">:</span>
				<span class="minutes">00</span>
				<span class="colon">:</span>
				<span class="seconds">00</span>
			</div>
			<div class="playpause text-center">
				<button class= "btn btn-primary btn-start"> ${__("Start")} </button>
				<button class= "btn btn-primary btn-complete"> ${__("Complete")} </button>
			</div>
		`;
	}
	erpnext.timesheet.control_timer(frm, dialog, row, timestamp);
	dialog.show();
};

erpnext.timesheet.control_timer = function (frm, dialog, row, timestamp = 0) {
	var $btn_start = dialog.$wrapper.find(".playpause .btn-start");
	var $btn_complete = dialog.$wrapper.find(".playpause .btn-complete");
	var interval = null;
	var currentIncrement = timestamp;
	var initialized = row ? true : false;
	var clicked = false;
	var flag = true; // Alert only once
	// If row with not completed status, initialize timer with the time elapsed on click of 'Start Timer'.
	if (row) {
		initialized = true;
		$btn_start.hide();
		$btn_complete.show();
		initializeTimer();
	}

	if (!initialized) {
		$btn_complete.hide();
	}

	$btn_start.click(function (e) {
		if (!initialized) {
			// New activity if no activities found
			var args = dialog.get_values();
			if (!args) return;
			if (
				frm.doc.time_logs.length == 1 &&
				!frm.doc.time_logs[0].activity_type &&
				!frm.doc.time_logs[0].from_time
			) {
				frm.doc.time_logs = [];
			}
			row = frappe.model.add_child(frm.doc, "Timesheet Detail", "time_logs");
			row.activity_type = args.activity_type;
			row.from_time = frappe.datetime.get_datetime_as_string();
			row.project = args.project;
			row.task = args.task;
			row.expected_hours = args.expected_hours;
			row.completed = 0;
			let d = moment(row.from_time);
			if (row.expected_hours) {
				d.add(row.expected_hours, "hours");
				row.to_time = frappe.datetime.get_datetime_as_string(d);
			}
			frm.refresh_field("time_logs");
			frm.save();
		}

		if (clicked) {
			e.preventDefault();
			return false;
		}

		if (!initialized) {
			initialized = true;
			$btn_start.hide();
			$btn_complete.show();
			initializeTimer();
		}
	});

	// Stop the timer and update the time logged by the timer on click of 'Complete' button
	$btn_complete.click(function () {
		var grid_row = frm.fields_dict["time_logs"].grid.get_row(row.idx - 1);
		var args = dialog.get_values();
		grid_row.doc.completed = 1;
		grid_row.doc.activity_type = args.activity_type;
		grid_row.doc.project = args.project;
		grid_row.doc.task = args.task;
		grid_row.doc.expected_hours = args.expected_hours;
		grid_row.doc.to_time = frappe.datetime.get_datetime_as_string();
		grid_row.refresh();
		frm.dirty();
		frm.save();
		reset();
		dialog.hide();
	});

	function initializeTimer() {
		interval = setInterval(function () {
			var current = setCurrentIncrement();
			updateStopwatch(current);
		}, 1000);
	}

	function updateStopwatch(increment) {
		var hours = Math.floor(increment / 3600);
		var minutes = Math.floor((increment - hours * 3600) / 60);
		var seconds = increment - hours * 3600 - minutes * 60;

		// If modal is closed by clicking anywhere outside, reset the timer
		if (!$(".modal-dialog").is(":visible")) {
			reset();
		}
		if (hours > 99999) reset();
		if (cur_dialog && cur_dialog.get_value("expected_hours") > 0) {
			if (flag && currentIncrement >= cur_dialog.get_value("expected_hours") * 3600) {
				frappe.utils.play_sound("alert");
				frappe.msgprint(__("Timer exceeded the given hours."));
				flag = false;
			}
		}
		$(".hours").text(hours < 10 ? "0" + hours.toString() : hours.toString());
		$(".minutes").text(minutes < 10 ? "0" + minutes.toString() : minutes.toString());
		$(".seconds").text(seconds < 10 ? "0" + seconds.toString() : seconds.toString());
	}

	function setCurrentIncrement() {
		currentIncrement += 1;
		return currentIncrement;
	}

	function reset() {
		currentIncrement = 0;
		initialized = false;
		clearInterval(interval);
		$(".hours").text("00");
		$(".minutes").text("00");
		$(".seconds").text("00");
		$btn_complete.hide();
		$btn_start.show();
	}
};
