import PropTypes from "prop-types";
import { useEffect, useState } from "react";
import { Box, Tab, useTheme, Stack, Button } from "@mui/material";
import TabContext from "@mui/lab/TabContext";
import TabList from "@mui/lab/TabList";
import GeneralSettingsPanel from "../../../Components/TabPanels/Status/GeneralSettingsPanel";
import ContentPanel from "../../../Components/TabPanels/Status/ContentPanel";
import { publicPageGeneralSettingsValidation } from "../../../Validation/validation";
import { hasValidationErrors } from "../../../Validation/error";
import { StatusFormProvider } from "../CreateStatusContext";
import { formatBytes } from "../../../Utils/fileUtils";
import { useSelector } from "react-redux";
import { createToast } from "../../../Utils/toastUtils";
import { networkService } from "../../../main";

/**
 * CreateStatus page renders a page with tabs for general settings and contents.
 * @param {object} [props.initForm] - Specifies the initial form value if the status page exists
 * @returns {JSX.Element}
 */

	const CreateStatus = ({ initForm }) => {
	const theme = useTheme();	
	const {authToken} = useSelector((state) => state.auth);
	const {apiBaseUrl} = useSelector((state) => state.settings);	
	const [tabIdx, setTabIdx] = useState(0);
	const [errors, setErrors] = useState({});
	const error_tab_maping = [["companyName","url","timezone","color","publish","logo"],["monitors",
	"showUptimePercentage", "showBarcode"]]
	const tabList = ["General Settings", "Contents"];
	const hasInitForm = initForm && Object.keys(initForm).length > 0;
	const [form, setForm] = useState(
		hasInitForm
			? initForm
			: {
					companyName: "",
					url: "",
					timezone: "America/Toronto",
					color: "#4169E1",
					//which fields matching below?
					//publish: false,
					logo: null,
					monitors: [],
					// showUptimePercentage: false,
					// showBarcode: false,
				}
	);

	// switch to the respective tab when there is error on it
	useEffect(() => {		
		let newIdx = -1;
		Object.keys(errors).map(id=>{
			error_tab_maping.map((val, idx)  => {
				let anyMatch = val.some(vl=> vl==id )
				if(anyMatch){
					newIdx = idx;					
				}
			})
		})
		if (newIdx !== -1) setTabIdx(newIdx);		
	}, [errors]);

	const handleTabChange = (_, newTab) => {
		setTabIdx(tabList.indexOf(newTab));
	};

	const handleSubmit = async () => {
		//validate rest of the form
		delete form.logo;
		
		if (hasValidationErrors(form, publicPageGeneralSettingsValidation, setErrors)) {
			return;
		}
		// //validate image field, double check if it is required
		// let error = validateField(
		// 	{ type: logo?.type ?? null, size: logo?.size ?? null },
		// 	logoImageValidation
		// );
		//		if (error) return;

		//form.logo = { ...logo, size: formatBytes(logo?.size) };
		let config = { authToken: authToken, url: apiBaseUrl, data: form };
		try{
			const res = await networkService.createStatusPage(config)
			if (!res.status === 200) {
				throw new Error("Failed to create status page");
			}
			createToast({ body: "Status page created successfully!" });
		}
		catch(e){
			createToast({ body: e.message || "Error creating status page" });
		}		

	};

	return (
		<Box
			className="status"
			px={theme.spacing(20)}
			py={theme.spacing(12)}
			border={1}
			borderColor={theme.palette.border.light}
			borderRadius={theme.shape.borderRadius}
			backgroundColor={theme.palette.background.main}
		>
			<TabContext value={tabList[tabIdx]}>
				<Box
					sx={{
						borderBottom: 1,
						borderColor: theme.palette.border.light,
						"& .MuiTabs-root": { height: "fit-content", minHeight: "0" },
					}}
				>
					<TabList
						onChange={handleTabChange}
						aria-label="status tabs"
					>
						{tabList.map((label, index) => (
							<Tab
								label={label}
								key={index}
								value={label}
								sx={{
									fontSize: 13,
									color: theme.palette.text.tertiary,
									textTransform: "none",
									minWidth: "fit-content",
									minHeight: 0,
									paddingLeft: 0,
									paddingY: theme.spacing(4),
									fontWeight: 400,
									marginRight: theme.spacing(8),
									"&:focus": {
										outline: "none",
									},
								}}
							/>
						))}
					</TabList>
				</Box>
				<StatusFormProvider
					form={hasInitForm ? initForm : form}
					setForm={setForm}
					errors={errors}
					setErrors={setErrors}
				>
					{tabIdx == 0 ? <GeneralSettingsPanel /> : <ContentPanel />}
				</StatusFormProvider>
			</TabContext>
			<Stack
				direction="row"
				justifyContent="flex-end"
			>
				<Button
					variant="contained"
					color="primary"
					onClick={handleSubmit}
				>
					Save
				</Button>
			</Stack>
		</Box>
	);
};

CreateStatus.propTypes = {
	initForm: PropTypes.object
};

export default CreateStatus;