/*
 * 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 FavoriteIcon from '@mui/icons-material/Favorite';
import FavoriteBorderIcon from '@mui/icons-material/FavoriteBorder';
import PublicIcon from '@mui/icons-material/Public';
import { styled } from '@mui/material/styles';
import React, { ComponentProps, useEffect, useMemo } from 'react';
import { useTranslation } from 'react-i18next';
import { t as translate } from 'i18next';
import Link from '@mui/material/Link';
import Typography from '@mui/material/Typography';
import { ISource, TManga } from '@/typings';
import { makeToast } from '@/components/util/Toast';
import { Mangas } from '@/lib/data/Mangas.ts';
import { SpinnerImage } from '@/components/util/SpinnerImage.tsx';
import { CustomIconButton } from '@/components/atoms/CustomIconButton';
import { TrackMangaButton } from '@/components/manga/TrackMangaButton.tsx';
import { useManageMangaLibraryState } from '@/components/manga/useManageMangaLibraryState.tsx';
import { Metadata as BaseMetadata } from '@/components/atoms/Metadata.tsx';

const DetailsWrapper = styled('div')(({ theme }) => ({
    width: '100%',
    [theme.breakpoints.up('md')]: {
        position: 'sticky',
        top: '64px',
        left: '0px',
        width: '50vw',
        height: 'calc(100vh - 64px)',
        alignSelf: 'flex-start',
        overflowY: 'auto',
    },
}));

const TopContentWrapper = styled('div')(() => ({
    padding: '10px',
    // [theme.breakpoints.up('md')]: {
    //     minWidth: '50%',
    // },
}));

const ThumbnailMetadataWrapper = styled('div')(() => ({
    display: 'flex',
}));

const Thumbnail = styled('div')(() => ({
    '& img': {
        borderRadius: 4,
        maxWidth: '100%',
        minWidth: '100%',
        height: 'auto',
    },
    maxWidth: '50%',
    // [theme.breakpoints.up('md')]: {
    //     minWidth: '100px',
    // },
}));

const MetadataContainer = styled('div')(({ theme }) => ({
    marginLeft: 15,
    maxWidth: '100%',
    '& span': {
        fontWeight: '400',
    },
    [theme.breakpoints.up('lg')]: {
        fontSize: '1.3em',
    },
}));

const Metadata = (props: ComponentProps<typeof BaseMetadata>) => (
    <BaseMetadata {...props} titleProps={{ variant: 'h6' }} valueProps={{ variant: 'h6' }} />
);

const MangaButtonsContainer = styled('div')(({ theme }) => ({
    display: 'flex',
    justifyContent: 'space-around',
    '& button, a': {
        borderRadius: '25px',
        textTransform: 'none',
        paddingLeft: '20px',
        paddingRight: '20px',
        fontSize: 'x-large',
        [theme.breakpoints.down('sm')]: {
            fontSize: 'larger',
        },
    },
}));
const BottomContentWrapper = styled('div')(({ theme }) => ({
    paddingLeft: '10px',
    paddingRight: '10px',
    [theme.breakpoints.up('md')]: {
        fontSize: '1.2em',
        // maxWidth: '50%',
    },
    [theme.breakpoints.up('lg')]: {
        fontSize: '1.3em',
    },
}));
const Description = styled('div')(() => ({
    '& h4': {
        marginTop: '1em',
        marginBottom: 0,
    },
    '& p': {
        textAlign: 'justify',
        textJustify: 'inter-word',
    },
}));
const Genres = styled('div')(() => ({
    display: 'flex',
    flexWrap: 'wrap',
    '& h5': {
        border: '2px solid #2196f3',
        borderRadius: '1.13em',
        marginRight: '1em',
        marginTop: 0,
        marginBottom: '10px',
        padding: '0.3em',
        color: '#2196f3',
    },
}));

const OpenSourceButton = ({ url }: { url?: string | null }) => {
    const { t } = useTranslation();

    const button = useMemo(
        () => (
            <CustomIconButton
                size="large"
                disabled={!url}
                sx={{ color: 'inherit' }}
                component={Link}
                href={url ?? undefined}
                target="_blank"
                rel="noreferrer"
            >
                <PublicIcon />
                {t('global.button.open_site')}
            </CustomIconButton>
        ),
        [url],
    );

    if (!url) {
        return button;
    }

    return button;
};

interface IProps {
    manga: TManga;
}

function getSourceName(source?: ISource | null) {
    if (!source) {
        return translate('global.label.unknown');
    }

    return source.displayName ?? source.id;
}

function getValueOrUnknown(val?: string | null) {
    return val || 'UNKNOWN';
}

export const MangaDetails: React.FC<IProps> = ({ manga }) => {
    const { t } = useTranslation();

    useEffect(() => {
        if (!manga.source) {
            makeToast(translate('source.error.label.source_not_found'), 'error');
        }
    }, [manga.source]);

    const { CategorySelectComponent, updateLibraryState } = useManageMangaLibraryState(manga);

    return (
        <>
            <DetailsWrapper>
                <TopContentWrapper>
                    <ThumbnailMetadataWrapper>
                        <Thumbnail>
                            <SpinnerImage src={Mangas.getThumbnailUrl(manga)} alt="Manga Thumbnail" />
                        </Thumbnail>
                        <MetadataContainer>
                            <Typography variant="h4" component="h1" sx={{ mb: 1 }}>
                                {manga.title}
                            </Typography>
                            <Metadata title={t('manga.label.author')} value={getValueOrUnknown(manga.author)} />
                            <Metadata title={t('manga.label.artist')} value={getValueOrUnknown(manga.artist)} />
                            <Metadata title={t('manga.label.status')} value={getValueOrUnknown(manga.status)} />
                            <Metadata title={t('source.title')} value={getSourceName(manga.source)} />
                        </MetadataContainer>
                    </ThumbnailMetadataWrapper>
                    <MangaButtonsContainer>
                        <CustomIconButton
                            onClick={updateLibraryState}
                            size="large"
                            sx={{ color: manga.inLibrary ? '#2196f3' : 'inherit' }}
                        >
                            {manga.inLibrary ? <FavoriteIcon /> : <FavoriteBorderIcon />}
                            {manga.inLibrary ? t('manga.button.in_library') : t('manga.button.add_to_library')}
                        </CustomIconButton>
                        <TrackMangaButton manga={manga} />
                        <OpenSourceButton url={manga.realUrl} />
                    </MangaButtonsContainer>
                </TopContentWrapper>
                <BottomContentWrapper>
                    <Description>
                        <h4>{t('settings.about.title')}</h4>
                        <p style={{ whiteSpace: 'pre-line' }}>{manga.description}</p>
                    </Description>
                    <Genres>
                        {manga.genre.map((g) => (
                            <h5 key={g}>{g}</h5>
                        ))}
                    </Genres>
                </BottomContentWrapper>
            </DetailsWrapper>
            {CategorySelectComponent}
        </>
    );
};