import {
    LogoIcon,
    SearchIcon,
    SideBarViewCloseIcon,
    SideBarViewIcon,
} from '@toeverything/components/icons';
import { IconButton, styled, Tooltip } from '@toeverything/components/ui';
import { useTranslation } from '@toeverything/datasource/i18n';
import {
    useCurrentEditors,
    useLocalTrigger,
    useShowSettingsSidebar,
} from '@toeverything/datasource/state';
import { useCallback, useEffect, useMemo, useState } from 'react';
import { EditorBoardSwitcher } from './EditorBoardSwitcher';
import { fsApiSupported } from './FileSystem';
import { Logo } from './Logo';
import { CurrentPageTitle } from './Title';

export const LayoutHeader = () => {
    const [isLocalWorkspace] = useLocalTrigger();
    const { toggleSettingsSidebar: toggleInfoSidebar, showSettingsSidebar } =
        useShowSettingsSidebar();
    const { t } = useTranslation();

    // because of header not compatible with small screen, hide the mode switcher in that case, this will be optimize in future.
    const [hideSwitcher, setHideSwither] = useState(false);
    const [rootEle, setRootEle] = useState<HTMLDivElement>();
    useEffect(() => {
        if (rootEle) {
            const observer = new ResizeObserver(entries => {
                setHideSwither(entries[0].contentRect.width < 970);
            });
            observer.observe(rootEle);

            return () => {
                observer.disconnect();
            };
        }
        return undefined;
    }, [rootEle]);

    const warningTips = useMemo(() => {
        if (!fsApiSupported()) {
            return t('WarningTips.IsNotfsApiSupported');
        } else if (!isLocalWorkspace) {
            return t('WarningTips.IsNotLocalWorkspace');
        } else {
            return t('WarningTips.DoNotStore');
        }
    }, [isLocalWorkspace, t]);

    const { currentEditors } = useCurrentEditors();

    const handleSearch = useCallback(() => {
        for (const key in currentEditors || {}) {
            currentEditors[key].getHooks().onSearch();
        }
    }, [currentEditors]);

    return (
        <StyledContainerForHeaderRoot ref={setRootEle}>
            <StyledHeaderRoot>
                <FlexContainer>
                    <Logo />
                    <TitleContainer>
                        <CurrentPageTitle />
                    </TitleContainer>
                </FlexContainer>
                <FlexContainer>
                    <StyledHelper>
                        <Tooltip
                            placement="bottom-end"
                            content="Share function coming soon..."
                        >
                            <StyledShare disabled={true}>
                                {t('Share')}
                            </StyledShare>
                        </Tooltip>
                        <div style={{ margin: '0px 12px' }}>
                            <Tooltip
                                placement="bottom-end"
                                content="Search function coming soon..."
                            >
                                <IconButton
                                    size="large"
                                    hoverColor={'transparent'}
                                    onClick={handleSearch}
                                    disabled={true}
                                >
                                    <SearchIcon />
                                </IconButton>
                            </Tooltip>
                        </div>

                        <IconButton onClick={toggleInfoSidebar} size="large">
                            {showSettingsSidebar ? (
                                <SideBarViewCloseIcon />
                            ) : (
                                <SideBarViewIcon />
                            )}
                        </IconButton>
                    </StyledHelper>
                </FlexContainer>
                {hideSwitcher ? null : (
                    <StyledContainerForEditorBoardSwitcher>
                        <EditorBoardSwitcher />
                    </StyledContainerForEditorBoardSwitcher>
                )}
            </StyledHeaderRoot>
        </StyledContainerForHeaderRoot>
    );
};

const StyledUnstableTips = styled('div')(({ theme }) => {
    return {
        width: '100%',
        height: '2em',
        display: 'flex',
        zIndex: theme.affine.zIndex.header,
        backgroundColor: '#fff8c5',
        borderWidth: '1px 0',
        borderColor: '#e4e49588',
        borderStyle: 'solid',
    };
});

const StyledUnstableTipsText = styled('span')(({ theme }) => {
    return {
        margin: 'auto 36px',
        width: '100%',
        textAlign: 'center',
    };
});

const StyledContainerForHeaderRoot = styled('div')(({ theme }) => {
    return {
        width: '100%',
        zIndex: theme.affine.zIndex.header,
        backgroundColor: '#fff',
    };
});

const StyledHeaderRoot = styled('div')(({ theme }) => {
    return {
        position: 'relative',
        display: 'flex',
        justifyContent: 'space-between',
        alignItems: 'center',
        height: 60,
        marginLeft: 36,
        marginRight: 36,
    };
});

const FlexContainer = styled('div')({ display: 'flex', alignItems: 'center' });

const TitleContainer = styled('div')(({ theme }) => {
    return {
        // marginLeft: theme.affine.spacing.lgSpacing,
        marginLeft: 100,
        maxWidth: 500,
        overflowX: 'hidden',
        color: theme.affine.palette.primaryText,
        lineHeight: '18px',
        fontSize: '15px',
        fontStyle: 'normal',
        fontWeight: '400',
        letterSpacing: '1.06px',
        display: 'flex',
        alignItems: 'center',
    };
});

const StyledHelper = styled('div')({
    display: 'flex',
    alignItems: 'center',
});

const StyledShare = styled('div')<{ disabled?: boolean }>({
    padding: '10px 12px',
    fontWeight: 600,
    fontSize: '14px',
    cursor: 'not-allowed',
    color: '#98ACBD',
    textTransform: 'none',
    /* disabled for current time */
    // color: '#3E6FDB',
    // '&:hover': {
    //     background: '#F5F7F8',
    //     borderRadius: '5px',
    // },
});

const StyledLogoIcon = styled(LogoIcon)(({ theme }) => {
    return {
        color: theme.affine.palette.primary,
        cursor: 'pointer',
    };
});

const StyledContainerForEditorBoardSwitcher = styled('div')({
    width: '100%',
    position: 'absolute',
    display: 'flex',
    justifyContent: 'center',
    pointerEvents: 'none',
});