"use client";

import { ApiResponse } from "@/types/types";
import request from "@/lib/request";
import "@schedule-x/theme-shadcn/dist/index.css";
import { useNextCalendarApp, ScheduleXCalendar } from "@schedule-x/react";
import { createEventsServicePlugin } from "@schedule-x/events-service";
import { createDragAndDropPlugin } from "@schedule-x/drag-and-drop";
import { createResizePlugin } from "@schedule-x/resize";
import { createEventRecurrencePlugin } from "@schedule-x/event-recurrence";
import {
	CalendarEventExternal,
	createViewDay,
	createViewWeek,
} from "@schedule-x/calendar";
import { useEffect, useState } from "react";
import { format } from "date-fns";
import { Dialog, DialogProps } from "@radix-ui/react-dialog";
import {
	DialogContent,
	DialogDescription,
	DialogFooter,
	DialogHeader,
	DialogTitle,
} from "@/components/ui/dialog";
import { Label } from "@/components/ui/label";
import { Input } from "@/components/ui/input";
import { Button } from "@/components/ui/button";
import { KeyedMutator } from "swr";
import { getCookie } from "cookies-next";
import { useTheme } from "next-themes";
import { Checkbox } from "@/components/ui/checkbox";
import { eventNames } from "process";
import { useSearchParams } from "next/navigation";
import { CheckedState } from "@radix-ui/react-checkbox";
import { DateTimePicker } from "./date-time-picker";

interface CalendarEventExternalDB extends CalendarEventExternal {
	status: "Active" | "Inactive";
}

const Planning: React.FC<{
	events: CalendarEventExternal[];
	mutate?: KeyedMutator<ApiResponse<CalendarEventExternal[]>>;
}> = ({ events, mutate }) => {
	const { resolvedTheme } = useTheme();
	console.log(resolvedTheme);
	const isConnected = getCookie("auth_token");
	const plugins = isConnected
		? [
				createEventsServicePlugin(),
				createDragAndDropPlugin(),
				createResizePlugin(),
				createEventRecurrencePlugin(),
			]
		: [];
	const [eventSelected, setEventSelected] =
		useState<CalendarEventExternal | null>(null);
	const [eventStatus, setEventStatus] = useState<"Active" | "Inactive">(
		"Active",
	);
	const [newEvent, setNewEvent] = useState<Omit<
		CalendarEventExternal,
		"id"
	> | null>(null);

	const handleEventUpdate = async (eventSelected: CalendarEventExternal) => {
		const event: CalendarEventExternal = {
			...eventSelected,
			start: `${new Date(eventSelected.start).toISOString()}`,
			end: `${new Date(eventSelected.end).toISOString()}`,
		};
		try {
			const res = await request<undefined>(`/events/${event.id}/update`, {
				method: "PATCH",
				body: event,
				requiresAuth: true,
				csrfToken: false,
			});
			if (res.status === "Error") {
				// calendar?.events?.update(oldEvent);
			}
		} catch (e) {
			console.log(e);
		}
	};

	const calendar = useNextCalendarApp(
		{
			theme: "shadcn",
			views: [createViewDay(), createViewWeek()],
			defaultView: "week",
			isDark: resolvedTheme === "dark" ? true : false,
			isResponsive: true,
			locale: "fr-FR",
			dayBoundaries: {
				start: "06:00",
				end: "00:00",
			},
			events: events.map((event) => ({
				...event,
				start: format(new Date(event.start), "yyyy-MM-dd HH:mm"),
				end: format(new Date(event.end), "yyyy-MM-dd HH:mm"),
			})),
			callbacks: {
				onEventClick(event, e) {
					setEventSelected(event);
				},
				// async onBeforeEventUpdate(oldEvent, newEvent) {
				// 	await request("/api/me/has-permissions")
				// },
				async onEventUpdate(newEvent) {
					// console.log(event);
					await handleEventUpdate(newEvent);
				},
			},
		},
		plugins,
	);

	useEffect(() => {
		calendar?.events.getAll();
	}, []);

	useEffect(() => {
		calendar?.setTheme(resolvedTheme === "dark" ? "dark" : "light");
	}, [resolvedTheme]);

	const AddButton: React.FC = () => (
		<Button onClick={() => setNewEvent({})} variant="outline">
			Nouveau
		</Button>
	);

	return (
		<div>
			<div className="m-8">
				<AddButton />
				<ScheduleXCalendar calendarApp={calendar} />
			</div>
			{newEvent && (
				<EventDialog
					open={newEvent !== null || false}
					onOpenChange={(open) => {
						setNewEvent((e) => (open ? e : null));
					}}
					event={newEvent}
					//onStartChange={(e) => {
					//	const val = e.currentTarget.value;
					//	setNewEvent((ev) => {
					//		if (ev)
					//			return {
					//				...ev,
					//				start: val,
					//			};
					//		return ev;
					//	});
					//}}
					onStartDateChange={(date) => {
						setNewEvent((ev) => {
							if (ev)
								return {
									...ev,
									start: date,
								};
							return ev;
						});
					}}
					onEndDateChange={(date) => {
						setNewEvent((ev) => {
							if (ev)
								return {
									...ev,
									end: date,
								};
							return ev;
						});
					}}
					onTitleChange={(e) => {
						const val = e.currentTarget.value;
						setNewEvent((ev) => {
							if (ev)
								return {
									...ev,
									title: val,
								};
							return ev;
						});
					}}
					onActiveStateChange={(e) => {
						e
							? setEventStatus("Active")
							: setEventStatus("Inactive");
					}}
					//onEndChange={(e) => {
					//	const val = e.currentTarget.value;
					//	setNewEvent((ev) => {
					//		if (ev)
					//			return {
					//				...ev,
					//				end: val,
					//			};
					//		return ev;
					//	});
					//}}
					onAdd={async () => {
						try {
							const event: Omit<CalendarEventExternal, "id"> = {
								...newEvent,
								start: `${new Date(newEvent.start).toISOString()}`,
								end: `${new Date(newEvent.end).toISOString()}`,
								title: newEvent.title,
								status: eventStatus,
							};
							const res = await request<undefined>(
								`/events/new`,
								{
									method: "POST",
									body: event,
									requiresAuth: true,
									csrfToken: false,
								},
							);
							if (res.status === "Error") {
								console.log("Error");
							}
							if (res.status === "Success") {
								mutate?.();
								console.log("Success");
							}
						} catch (e) {
							console.log(e);
						}
					}}
				/>
			)}
			{eventSelected && (
				<EventDialog
					open={eventSelected !== null || false}
					onOpenChange={(open) => {
						setEventSelected((e) => (open ? e : null));
					}}
					event={eventSelected}
					onStartDateChange={(date) => {
						setEventSelected((ev) => {
							if (ev && date)
								return {
									...ev,
									start: format(date, "YYYY-MM-DD HH:MM"),
								};
							return ev;
						});
					}}
					onEndDateChange={(date) => {
						setEventSelected((ev) => {
							if (ev && date)
								return {
									...ev,
									end: format(date, "YYYY-MM-DD HH:MM"),
								};
							return ev;
						});
					}}
					onDelete={async () => {
						calendar?.events?.remove(eventSelected.id);
						try {
							const res = await request<undefined>(
								`/events/${eventSelected.id}/delete`,
								{
									method: "DELETE",
									body: eventSelected,
									requiresAuth: false,
									csrfToken: false,
								},
							);
							if (res.status === "Error") {
								console.log("Error");
							}
							if (res.status === "Success") {
								console.log("Success");
							}
						} catch (e) {
							console.log(e);
						}
						setEventSelected(null);
					}}
					onUpdate={async () => {
						await handleEventUpdate(eventSelected);
						setEventSelected(null);
					}}
				/>
			)}
		</div>
	);
};

const EventDialog: React.FC<
	{
		// onEndChange: React.ChangeEventHandler<HTMLInputElement>;
		// onStartChange: React.ChangeEventHandler<HTMLInputElement>;
		onStartDateChange: (selectedDate: Date | undefined) => void;
		onEndDateChange: (selectedDate: Date | undefined) => void;
		onDelete?: () => void;
		onUpdate?: () => void;
		onAdd?: () => void;
		onTitleChange?: React.ChangeEventHandler<HTMLInputElement>;
		onActiveStateChange?: (status: boolean) => void;
		event: CalendarEventExternal | Omit<CalendarEventExternal, "id">;
	} & DialogProps
> = ({
	open,
	onOpenChange,
	// onEndChange,
	// onStartChange,
	onStartDateChange,
	onEndDateChange,
	onDelete,
	onUpdate,
	onAdd,
	onTitleChange,
	onActiveStateChange,
	event,
}) => {
	const [checked, setChecked] = useState<CheckedState>(
		event.status === "Active",
	);

	return (
		<Dialog open={open} onOpenChange={onOpenChange}>
			<DialogContent className="sm:max-w-md">
				<DialogHeader>
					<DialogTitle>{event.title}</DialogTitle>
					<DialogDescription>{event.description}</DialogDescription>
				</DialogHeader>

				<div className="grid gap-4 py-4">
					<div className="grid grid-cols-4 items-center gap-4">
						<Label htmlFor="title" className="text-right">
							Titre
						</Label>
						<Input
							id="title"
							value={event.title || ""}
							onChange={onTitleChange}
							className="col-span-3"
							type="text"
						/>
					</div>

					<div className="grid grid-cols-4 items-center gap-4">
						<Label htmlFor="start" className="text-right">
							Début
						</Label>
						<DateTimePicker
							onDateSelectChange={(date) =>
								onStartDateChange(date)
							}
						/>
					</div>
					<div className="grid grid-cols-4 items-center gap-4">
						<Label htmlFor="end" className="text-right">
							Fin
						</Label>
						{/*<Input
												id="end"
												value={event.end || ""}
												onChange={onEndChange}
												className="col-span-3"
											/> */}
						<DateTimePicker
							onDateSelectChange={(date) => onEndDateChange(date)}
						/>
					</div>
					<div className="grid grid-cols-4 items-center gap-4">
						<Label
							htmlFor="status"
							className="col-span-3 text-right"
						>
							Rendre cette évènement actif ?
						</Label>
						<Checkbox
							id="status"
							checked={checked}
							onCheckedChange={(e) => {
								const booleanCheck = !!e;
								setChecked((prev) => {
									return !prev;
								});
								if (onActiveStateChange) {
									onActiveStateChange(booleanCheck);
								}
							}}
						/>
					</div>
				</div>
				<DialogFooter className="flex flex-row justify-end">
					{onUpdate && (
						<Button
							variant="outline"
							onClick={() => onUpdate()}
							type="submit"
						>
							Actualiser
						</Button>
					)}
					{onDelete && (
						<Button
							variant="destructive"
							onClick={() => onDelete()}
							type="submit"
						>
							Supprimer
						</Button>
					)}
					{onAdd && !onUpdate && !onDelete && (
						<Button onClick={() => onAdd()} type="submit">
							Créer
						</Button>
					)}
				</DialogFooter>
			</DialogContent>
		</Dialog>
	);
};

export default Planning;