/*
 * Copyright 2021-2024 Avaiga Private Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 */

import React, { MouseEvent, ReactNode, useEffect, useMemo, useRef} from "react";
import Chip from "@mui/material/Chip";
import Avatar from "@mui/material/Avatar";
import CheckCircleIcon from "@mui/icons-material/CheckCircle";
import WarningIcon from "@mui/icons-material/Warning";
import ErrorIcon from "@mui/icons-material/Error";
import InfoIcon from "@mui/icons-material/Info";

import { getInitials } from "../../utils";
import { TaipyBaseProps } from "./utils";
import { useClassNames } from "../../utils/hooks";

export interface StatusType {
    status: string;
    message: string;
}

interface StatusProps extends TaipyBaseProps {
    value: StatusType;
    onClose?: (evt: MouseEvent) => void;
    icon?: ReactNode;
    withIcons?: boolean;
    content?: string;
}

const status2Color = (status: string): "error" | "info" | "success" | "warning" => {
    status = (status || "").toLowerCase();
    status = status.length == 0 ? " " : status.charAt(0);
    switch (status) {
        case "s":
            return "success";
        case "w":
            return "warning";
        case "e":
            return "error";
    }
    return "info";
};

// Function to get the appropriate icon based on the status
const GetStatusIcon = (status: string, withIcons?: boolean): ReactNode => {
    // Use useMemo to memoize the iconProps as well
    const color = status2Color(status);

    // Memoize the iconProps
    const iconProps = {
        sx: { fontSize: 20, color: `${color}.main` }}
        
        if (withIcons) {
            switch (color) {
                case "success":
                    return <CheckCircleIcon {...iconProps} />;
                case "warning":
                    return <WarningIcon {...iconProps} />;
                case "error":
                    return <ErrorIcon {...iconProps} />;
                default:
                    return <InfoIcon {...iconProps} />;
            }
        } else {
            return getInitials(status);
        }

};


const chipSx = { alignSelf: "flex-start" };

const defaultAvatarStyle = {
    width: '100%',
    height: '100%',
    display: 'flex',
    alignItems: 'center',
    justifyContent: 'center',
  };

const defaultAvatarSx = {
    bgcolor: 'transparent'
};

const baseStyles = {
    fontSize: '1rem', 
    textShadow: '1px 1px 4px black, -1px -1px 4px black',
};

const isSvgUrl = (content?: string) => {
    return content?.substring(content?.length - 4).toLowerCase() === ".svg"; // Check if it ends with ".svg"
};

const isInlineSvg = (content?: string) => {
return content?.substring(0, 4).toLowerCase() === "<svg"; // Check if the content starts with "<svg"
};

const Status = (props: StatusProps) => {
    const { value, id } = props;
    const content = props.content || undefined;
    const withIcons = props.withIcons;
    const svgRef = useRef<HTMLDivElement>(null);
    const className = useClassNames(props.libClassName, props.dynamicClassName, props.className);

    useEffect(() => {
        if (content && svgRef.current) {
            svgRef.current.innerHTML = content;
        }
    }, [content]);


    const chipProps = useMemo(() => {
        const cp: Record<string, unknown> = {};
        const statusColor = status2Color(value.status);
        cp.color = statusColor;
       
        if (isSvgUrl(content)) {
            cp.avatar = (
                <Avatar src={content}  data-testid="Avatar" />
            );
        } 
        
        else if(content && isInlineSvg(content)){
            cp.avatar = (
                <Avatar
                    sx={defaultAvatarSx}
                    data-testid="Avatar"
                >
                    <div
                      ref={svgRef}
                      style={defaultAvatarStyle}
                    />
                </Avatar>
            );
        }

        else {
            cp.avatar = (
                <Avatar
                    sx={{
                        bgcolor: withIcons
                            ? 'transparent' 
                            : `${statusColor}.main`,  
                        color: `${statusColor}.contrastText`, 
                        ...baseStyles
                    }}
                    data-testid="Avatar"
                >
                    {GetStatusIcon(value.status, withIcons)}
                </Avatar>
            );
        }

        if (props.onClose) {
            cp.onDelete = props.onClose;
        }
        if (props.icon) {
            cp.deleteIcon = props.icon;
        }
        return cp;
    }, [value.status, props.onClose, props.icon, withIcons, content]);

    return <Chip id={id} variant="outlined" {...chipProps} label={value.message} sx={chipSx} className={className} />;
};

export default Status;