import { NextPage } from "next";
import { NextSeo } from "next-seo";

import { FC, useState } from "react";

import { useMutation, useQuery } from "react-query";

import axios from "axios";

import Box from "@mui/material/Box";
import Button from "@mui/material/Button";
import ButtonGroup from "@mui/material/ButtonGroup";
import CircularProgress from "@mui/material/CircularProgress";
import Container from "@mui/material/Container";
import Divider from "@mui/material/Divider";
import FormControl from "@mui/material/FormControl";
import InputLabel from "@mui/material/InputLabel";
import MenuItem from "@mui/material/MenuItem";
import Modal from "@mui/material/Modal";
import Select from "@mui/material/Select";
import TextField from "@mui/material/TextField";
import Typography from "@mui/material/Typography";
import { red, green } from "@mui/material/colors/";
import { useTheme } from "@mui/material/styles/";

import Done from "@mui/icons-material/Done";
import Error from "@mui/icons-material/Error";
import Refresh from "@mui/icons-material/Refresh";

import {
	ServerInstance,
	ServerInstanceType,
	Stats
} from "@interfaces/api/instances";
import { StorageType } from "@interfaces/settings";

import useSettings from "@utils/hooks/useSettings";

import Layout from "@components/Layout";
import MaterialColorPicker from "@components/MaterialColorPicker";
import ColorBox from "@components/MaterialColorPicker/ColorBox";
import ModalBox from "@components/ModalBox";

const InfoModal: FC<{
	modalIsOpen: boolean;
	setModalState: (isOpen: boolean) => void;
	data: Stats;
}> = ({ modalIsOpen, setModalState, data }) => {
	const [settings] = useSettings();

	const lastUpdated = new Date(data.metadata.updatedAt * 1000);

	return (
		<Modal
			open={modalIsOpen}
			onClose={() => setModalState(false)}
			aria-labelledby="stats-modal"
			aria-describedby="Shows server stats"
		>
			<ModalBox>
				<Typography id="modal-modal-title" variant="h4">
					Stats for {settings.invidiousServer}
				</Typography>
				<Typography
					id="modal-modal-description"
					sx={{ mt: 2 }}
				>
					Version: {data.version} <br /> <br />
					Software name: {data.software.name}{" "}
					<br />
					Software version:{" "}
					{data.software.version} <br />
					Software branch: {
						data.software.branch
					}{" "}
					<br /> <br />
					Is accepting registrations:{" "}
					{data.openRegistrations ? "Yes" : "No"}
					<br /> <br />
					Total users: {
						data.usage.users.total
					}{" "}
					<br />
					Active in the past half year:{" "}
					{data.usage.users.activeHalfyear}
					<br />
					Active in the past month:{" "}
					{
						data.usage.users.activeMonth
					} <br /> <br />
					Stats updated at:{" "}
					{lastUpdated.toLocaleDateString()} -{" "}
					{lastUpdated.toLocaleTimeString()}
				</Typography>
			</ModalBox>
		</Modal>
	);
};

const Setting: FC<{ title: string; description?: string }> = ({
	title,
	children,
	description
}) => {
	const theme = useTheme();

	return (
		<Box sx={{ my: 3, display: "flex", alignItems: "center" }}>
			<Box sx={{ flexGrow: 1 }}>
				<Typography variant="h5">{title}</Typography>
				{description && (
					<Typography
						variant="subtitle1"
						color={
							theme.palette.text
								.secondary
						}
					>
						{description}
					</Typography>
				)}
			</Box>
			{children}
		</Box>
	);
};

const Settings: NextPage = () => {
	const [settings, setSettings] = useSettings();

	const setSetting = (key: string, value?: string): void =>
		setSettings({ ...settings, [key]: value });

	const theme = useTheme();

	const [primaryColorModalIsOpen, setPrimaryColorModal] = useState(false);
	const [accentColorModalIsOpen, setAccentColorModal] = useState(false);

	const [modalIsOpen, setModalState] = useState(false);

	const instances = useQuery<[string, ServerInstance][]>(
		"invidiousInstances",
		() =>
			axios
				.get("https://api.invidious.io/instances.json")
				.then((res) => res.data),
		{ retry: false }
	);

	const invidiousServerResponse = useMutation<Stats, unknown, string>(
		"invidiousInstance",
		(server) =>
			axios
				.get(`https://${server}/api/v1/stats`)
				.then((res) => res.data)
	);

	const allowsRegistrations =
		invidiousServerResponse.data?.openRegistrations;

	return (
		<>
			<NextSeo
				title="Settings"
				description={`Update your ${process.env.NEXT_PUBLIC_APP_NAME} settings`}
			/>
			<Layout>
				<Container>
					<Typography sx={{ my: 2 }} variant="h2">
						Settings
					</Typography>

					<Divider sx={{ mb: 4 }} />

					<Typography variant="h4">
						Theme
					</Typography>

					<Setting
						title="General Theme"
						description="Sets the background color"
					>
						<ButtonGroup
							variant="contained"
							color="primary"
							aria-label="outlined default button group"
						>
							<Button
								onClick={() =>
									setSetting(
										"theme",
										"light"
									)
								}
							>
								Light
							</Button>
							<Button
								onClick={() =>
									setSetting(
										"theme"
									)
								}
							>
								System
							</Button>
							<Button
								onClick={() =>
									setSetting(
										"theme",
										"dark"
									)
								}
							>
								Dark
							</Button>
						</ButtonGroup>
					</Setting>

					<Setting title="Primary Color">
						<ColorBox
							marginRight={1}
							color={
								settings.primaryColor
							}
						/>
						<Button
							onClick={() =>
								setPrimaryColorModal(
									true
								)
							}
							variant="contained"
						>
							Pick Color
						</Button>
						<MaterialColorPicker
							setState={
								setPrimaryColorModal
							}
							isOpen={
								primaryColorModalIsOpen
							}
							setColor={(color) =>
								setSetting(
									"primaryColor",
									color
								)
							}
							selectedColor={
								settings.primaryColor
							}
						/>
					</Setting>

					<Setting title="Accent Color">
						<ColorBox
							marginRight={1}
							color={
								settings.accentColor
							}
						/>
						<Button
							onClick={() =>
								setAccentColorModal(
									true
								)
							}
							variant="contained"
						>
							Pick Color
						</Button>
						<MaterialColorPicker
							setState={
								setAccentColorModal
							}
							isOpen={
								accentColorModalIsOpen
							}
							setColor={(color) =>
								setSetting(
									"accentColor",
									color
								)
							}
							selectedColor={
								settings.accentColor
							}
						/>
					</Setting>

					<Divider sx={{ my: 4 }} />

					<Typography variant="h4">
						Player
					</Typography>

					<Divider sx={{ my: 4 }} />

					<Typography variant="h4">
						Data
					</Typography>

					<Setting
						title="Invidious Server"
						description={`Where to fetch data from ${
							settings.storageType ==
							"invidious"
								? "and login into"
								: ""
						}`}
					>
						<Box sx={{ mr: 2 }}>
							{!invidiousServerResponse.data &&
								!invidiousServerResponse.error &&
								!invidiousServerResponse.isLoading && (
									<Refresh
										sx={{
											cursor: "pointer",
											color: theme
												.palette
												.text
												.secondary
										}}
										onClick={() =>
											invidiousServerResponse.mutate(
												settings.invidiousServer
											)
										}
									/>
								)}
							{invidiousServerResponse.data &&
								!invidiousServerResponse.isLoading && (
									<>
										<Done
											onClick={() =>
												setModalState(
													true
												)
											}
											sx={{
												color: green[800],
												cursor: "pointer"
											}}
										/>
										<InfoModal
											modalIsOpen={
												modalIsOpen
											}
											setModalState={
												setModalState
											}
											data={
												invidiousServerResponse.data!
											}
										/>
									</>
								)}

							{invidiousServerResponse.error && (
								<Error
									sx={{
										color: red[800]
									}}
								/>
							)}
							{invidiousServerResponse.isLoading && (
								<CircularProgress />
							)}
						</Box>
						<FormControl
							sx={{ minWidth: 200 }}
						>
							<InputLabel id="server-select-label">
								Server
							</InputLabel>
							<Select
								labelId="server-select-label"
								id="server-select"
								value={
									settings.invidiousServer
								}
								label="Server"
								onChange={(
									e
								) => {
									const server =
										e
											.target
											.value;

									invidiousServerResponse.mutate(
										server
									);

									setSetting(
										"invidiousServer",
										server
									);
								}}
								MenuProps={{
									sx: {
										maxHeight: 300
									}
								}}
							>
								{instances.data &&
									instances.data
										.filter(
											([
												,
												server
											]) =>
												server.type !=
													ServerInstanceType.Onion &&
												server.api ==
													true
										)
										.map(
											([
												uri,
												server
											]) => (
												<MenuItem
													key={
														uri
													}
													value={
														uri
													}
												>
													{
														server.flag
													}{" "}
													{
														uri
													}
												</MenuItem>
											)
										)}
							</Select>
						</FormControl>
					</Setting>

					<Setting
						title="Data Storage Location"
						description="Where your personal data will be stored"
					>
						<FormControl
							sx={{ minWidth: 200 }}
						>
							<InputLabel id="location-select-label">
								Location
							</InputLabel>
							<Select
								labelId="location-select-label"
								id="location-select"
								value={
									settings.storageType
								}
								label="Location"
								onChange={(
									e
								) => {
									const location =
										e
											.target
											.value;

									setSetting(
										"storageType",
										location
									);
								}}
								MenuProps={{
									sx: {
										maxHeight: 300
									}
								}}
							>
								{[
									{
										name: "Locally",
										value: StorageType.Local
									},
									{
										name: "Invidious server using auth",
										value: StorageType.Invidious
									},
									{
										name: `A custom ${process.env.NEXT_PUBLIC_APP_NAME} auth server`,
										value: StorageType.RemoteServer
									}
								].map(
									(
										location,
										i
									) => (
										<MenuItem
											key={
												i
											}
											value={
												location.value
											}
										>
											{
												location.name
											}
										</MenuItem>
									)
								)}
							</Select>
						</FormControl>
					</Setting>

					{settings.storageType !=
						StorageType.Local && (
						<>
							{settings.storageType ==
								"invidious" &&
								allowsRegistrations && (
									<Setting
										title="Username"
										description="The username for your Invidious account"
									>
										<TextField
											label="Username"
											color="primary"
										/>
									</Setting>
								)}

							{settings.storageType ==
								StorageType.RemoteServer && (
								<Setting
									title="Server address"
									description={`The address for your ${process.env.NEXT_PUBLIC_APP_NAME} auth server`}
								>
									<TextField
										label="Server adress"
										color="primary"
									/>
								</Setting>
							)}

							<Setting
								title={
									settings.storageType ==
									StorageType.Invidious
										? "Password"
										: "Passphrase"
								}
								description={
									settings.storageType ==
									StorageType.Invidious
										? "The password for your invidious account"
										: "The passphrase for your account"
								}
							>
								<TextField
									type="password"
									label={
										settings.storageType ==
										StorageType.Invidious
											? "Password"
											: "Passphrase"
									}
									color="primary"
								/>
							</Setting>
						</>
					)}
				</Container>
			</Layout>
		</>
	);
};

export default Settings;