/*
 * Copyright (C) Contributors to the Suwayomi project
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/.
 */

import Card from '@mui/material/Card';
import CardActionArea from '@mui/material/CardActionArea';
import Typography from '@mui/material/Typography';
import { Link } from 'react-router-dom';
import { Avatar, Box, CardContent, Stack, styled, Tooltip } from '@mui/material';
import { useTranslation } from 'react-i18next';
import { requestManager } from '@/lib/requests/RequestManager.ts';
import { GridLayout, useLibraryOptionsContext } from '@/components/context/LibraryOptionsContext';
import { SpinnerImage } from '@/components/util/SpinnerImage';
import { TPartialManga } from '@/typings.ts';
import { ContinueReadingButton } from '@/components/manga/ContinueReadingButton.tsx';

const BottomGradient = styled('div')({
    position: 'absolute',
    bottom: 0,
    width: '100%',
    height: '30%',
    background: 'linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,1) 100%)',
});

const BottomGradientDoubledDown = styled('div')({
    position: 'absolute',
    bottom: 0,
    width: '100%',
    height: '20%',
    background: 'linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,1) 100%)',
});

const MangaTitle = styled(Typography)({
    lineHeight: '1.5rem',
    maxHeight: '3rem',
    display: '-webkit-box',
    WebkitLineClamp: '2',
    WebkitBoxOrient: 'vertical',
    overflow: 'hidden',
    textOverflow: 'ellipsis',
});

const GridMangaTitle = styled(MangaTitle)({
    fontSize: '1.05rem',
});

const BadgeContainer = styled('div')({
    display: 'flex',
    height: 'fit-content',
    borderRadius: '5px',
    overflow: 'hidden',
    '& p': {
        color: 'white',
        padding: '0.1em',
        paddingInline: '0.2em',
        fontSize: '1.05rem',
    },
});

interface IProps {
    manga: TPartialManga;
    gridLayout?: GridLayout;
    inLibraryIndicator?: boolean;
}

export const MangaCard = (props: IProps) => {
    const { t } = useTranslation();

    const {
        manga: {
            id,
            title,
            thumbnailUrl: tmpThumbnailUrl,
            downloadCount,
            unreadCount: unread,
            inLibrary,
            lastReadChapter,
            chapters,
        },
        gridLayout,
        inLibraryIndicator,
    } = props;
    const thumbnailUrl = tmpThumbnailUrl ?? 'nonExistingMangaUrl';
    const {
        options: { showContinueReadingButton, showUnreadBadge, showDownloadBadge },
    } = useLibraryOptionsContext();

    const mangaLinkTo = `/manga/${id}/`;

    const nextChapterIndexToRead = (lastReadChapter?.sourceOrder ?? 0) + 1;
    const isLatestChapterRead = chapters?.totalCount === lastReadChapter?.sourceOrder;

    if (gridLayout !== GridLayout.List) {
        return (
            <Link to={mangaLinkTo} style={gridLayout === GridLayout.Comfortable ? { textDecoration: 'none' } : {}}>
                <Box
                    sx={{
                        display: 'flex',
                        flexDirection: 'column',
                    }}
                >
                    <Card
                        sx={{
                            // force standard aspect ratio of manga covers
                            aspectRatio: '225/350',
                            display: 'flex',
                        }}
                    >
                        <CardActionArea
                            sx={{
                                position: 'relative',
                                height: '100%',
                            }}
                        >
                            <BadgeContainer
                                sx={{
                                    position: 'absolute',
                                    top: 5,
                                    left: 5,
                                }}
                            >
                                {inLibraryIndicator && inLibrary && (
                                    <Typography sx={{ backgroundColor: 'primary.dark', zIndex: '1' }}>
                                        {t('manga.button.in_library')}
                                    </Typography>
                                )}
                                {showUnreadBadge && (unread ?? 0) > 0 && (
                                    <Typography sx={{ backgroundColor: 'primary.dark' }}>{unread}</Typography>
                                )}
                                {showDownloadBadge && (downloadCount ?? 0) > 0 && (
                                    <Typography
                                        sx={{
                                            backgroundColor: 'success.dark',
                                        }}
                                    >
                                        {downloadCount}
                                    </Typography>
                                )}
                            </BadgeContainer>
                            <SpinnerImage
                                alt={title}
                                src={requestManager.getValidImgUrlFor(thumbnailUrl)}
                                imgStyle={
                                    inLibraryIndicator && inLibrary
                                        ? {
                                              height: '100%',
                                              width: '100%',
                                              objectFit: 'cover',
                                              filter: 'brightness(0.4)',
                                          }
                                        : {
                                              height: '100%',
                                              width: '100%',
                                              objectFit: 'cover',
                                          }
                                }
                                spinnerStyle={{
                                    display: 'grid',
                                    placeItems: 'center',
                                }}
                            />
                            <>
                                <BottomGradient />
                                <BottomGradientDoubledDown />
                                <Stack
                                    direction="row"
                                    justifyContent={gridLayout !== GridLayout.Comfortable ? 'space-between' : 'end'}
                                    alignItems="end"
                                    sx={{
                                        position: 'absolute',
                                        bottom: 0,
                                        width: '100%',
                                        margin: '0.5em 0',
                                        padding: '0 0.5em',
                                        gap: '0.5em',
                                    }}
                                >
                                    {gridLayout !== GridLayout.Comfortable && (
                                        <Tooltip title={title} placement="top">
                                            <GridMangaTitle
                                                sx={{
                                                    color: 'white',
                                                    textShadow: '0px 0px 3px #000000',
                                                }}
                                            >
                                                {title}
                                            </GridMangaTitle>
                                        </Tooltip>
                                    )}
                                    <ContinueReadingButton
                                        showContinueReadingButton={showContinueReadingButton}
                                        isLatestChapterRead={isLatestChapterRead}
                                        nextChapterIndexToRead={nextChapterIndexToRead}
                                        mangaLinkTo={mangaLinkTo}
                                    />
                                </Stack>
                            </>
                        </CardActionArea>
                    </Card>
                    {gridLayout === GridLayout.Comfortable && (
                        <Tooltip title={title} placement="top">
                            <GridMangaTitle
                                sx={{
                                    position: 'relative',
                                    width: '100%',
                                    bottom: 0,
                                    margin: '0.5em 0',
                                    padding: '0 0.5em',
                                    color: 'text.primary',
                                    height: '3rem',
                                }}
                            >
                                {title}
                            </GridMangaTitle>
                        </Tooltip>
                    )}
                </Box>
            </Link>
        );
    }

    return (
        <Card>
            <CardActionArea component={Link} to={mangaLinkTo}>
                <CardContent
                    sx={{
                        display: 'flex',
                        justifyContent: 'space-between',
                        alignItems: 'center',
                        padding: 2,
                        position: 'relative',
                    }}
                >
                    <Avatar
                        variant="rounded"
                        sx={
                            inLibraryIndicator && inLibrary
                                ? {
                                      width: 56,
                                      height: 56,
                                      flex: '0 0 auto',
                                      marginRight: 2,
                                      imageRendering: 'pixelated',
                                      filter: 'brightness(0.4)',
                                  }
                                : {
                                      width: 56,
                                      height: 56,
                                      flex: '0 0 auto',
                                      marginRight: 2,
                                      imageRendering: 'pixelated',
                                  }
                        }
                        src={requestManager.getValidImgUrlFor(thumbnailUrl)}
                    />
                    <Box
                        sx={{
                            display: 'flex',
                            flexDirection: 'row',
                            flexGrow: 1,
                            width: 'min-content',
                        }}
                    >
                        <Tooltip title={title} placement="top">
                            <MangaTitle variant="h5">{title}</MangaTitle>
                        </Tooltip>
                    </Box>
                    <Stack direction="row" alignItems="center" gap="5px">
                        <BadgeContainer>
                            {inLibraryIndicator && inLibrary && (
                                <Typography sx={{ backgroundColor: 'primary.dark' }}>
                                    {t('manga.button.in_library')}
                                </Typography>
                            )}
                            {showUnreadBadge && unread! > 0 && (
                                <Typography sx={{ backgroundColor: 'primary.dark' }}>{unread}</Typography>
                            )}
                            {showDownloadBadge && downloadCount! > 0 && (
                                <Typography
                                    sx={{
                                        backgroundColor: 'success.dark',
                                    }}
                                >
                                    {downloadCount}
                                </Typography>
                            )}
                        </BadgeContainer>
                        <ContinueReadingButton
                            showContinueReadingButton={showContinueReadingButton}
                            isLatestChapterRead={isLatestChapterRead}
                            nextChapterIndexToRead={nextChapterIndexToRead}
                            mangaLinkTo={mangaLinkTo}
                        />
                    </Stack>
                </CardContent>
            </CardActionArea>
        </Card>
    );
};