// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.

import React from 'react';
import {StyleProp, TextStyle, View, ViewStyle} from 'react-native';

import {getStatusColors} from '@utils/message_attachment_colors';
import {changeOpacity, makeStyleSheetFromTheme} from '@utils/theme';

import {MessageAttachment as MessageAttachmentType} from '@mm-redux/types/message_attachments';
import {PostMetadata} from '@mm-redux/types/posts';
import {Theme} from '@mm-redux/types/preferences';

import AttachmentActions from './attachment_actions';
import AttachmentAuthor from './attachment_author';
import AttachmentFields from './attachment_fields';
import AttachmentImage from './attachment_image';
import AttachmentPreText from './attachment_pretext';
import AttachmentText from './attachment_text';
import AttachmentThumbnail from './attachment_thumbnail';
import AttachmentTitle from './attachment_title';
import AttachmentFooter from './attachment_footer';

type Props = {
    attachment: MessageAttachmentType,
        baseTextStyle?: StyleProp<TextStyle>,
        blockStyles?: StyleProp<ViewStyle>[],
        deviceHeight: number,
        deviceWidth: number,
        postId: string,
        metadata?: PostMetadata,
        onPermalinkPress?: () => void,
        theme: Theme,
        textStyles?: StyleProp<TextStyle>[],
}
export default function MessageAttachment(props: Props) {
    const {
        attachment,
        baseTextStyle,
        blockStyles,
        deviceHeight,
        deviceWidth,
        metadata,
        onPermalinkPress,
        postId,
        textStyles,
        theme,
    } = props;

    const style = getStyleSheet(theme);
    const STATUS_COLORS = getStatusColors(theme);
    const hasImage = Boolean(metadata?.images?.[attachment.image_url]);

    let borderStyle;
    if (attachment.color) {
        if (attachment.color[0] === '#') {
            borderStyle = {borderLeftColor: attachment.color};
        } else if (STATUS_COLORS.hasOwnProperty(attachment.color)) {
            borderStyle = {borderLeftColor: STATUS_COLORS[attachment.color]};
        }
    }

    return (
        <React.Fragment>
            <AttachmentPreText
                baseTextStyle={baseTextStyle}
                blockStyles={blockStyles}
                metadata={metadata}
                onPermalinkPress={onPermalinkPress}
                textStyles={textStyles}
                value={attachment.pretext}
            />
            <View style={[style.container, style.border, borderStyle]}>
                <AttachmentAuthor
                    icon={attachment.author_icon}
                    link={attachment.author_link}
                    name={attachment.author_name}
                    theme={theme}
                />
                <AttachmentTitle
                    link={attachment.title_link}
                    theme={theme}
                    value={attachment.title}
                />
                <AttachmentThumbnail url={attachment.thumb_url}/>
                <AttachmentText
                    baseTextStyle={baseTextStyle}
                    blockStyles={blockStyles}
                    deviceHeight={deviceHeight}
                    hasThumbnail={Boolean(attachment.thumb_url)}
                    metadata={metadata}
                    onPermalinkPress={onPermalinkPress}
                    textStyles={textStyles}
                    value={attachment.text}
                    theme={theme}
                />
                <AttachmentFields
                    baseTextStyle={baseTextStyle}
                    blockStyles={blockStyles}
                    fields={attachment.fields}
                    metadata={metadata}
                    onPermalinkPress={onPermalinkPress}
                    textStyles={textStyles}
                    theme={theme}
                />
                <AttachmentFooter
                    icon={attachment.footer_icon}
                    text={attachment.footer}
                    theme={theme}
                />
                <AttachmentActions
                    actions={attachment.actions}
                    postId={postId}
                />
                {hasImage &&
                    <AttachmentImage
                        deviceHeight={deviceHeight}
                        deviceWidth={deviceWidth}
                        imageUrl={attachment.image_url}
                        imageMetadata={metadata?.images?.[attachment.image_url]}
                        postId={postId}
                        theme={theme}
                    />
                }
            </View>
        </React.Fragment>
    );
}

const getStyleSheet = makeStyleSheetFromTheme((theme:Theme) => {
    return {
        container: {
            borderBottomColor: changeOpacity(theme.centerChannelColor, 0.15),
            borderRightColor: changeOpacity(theme.centerChannelColor, 0.15),
            borderTopColor: changeOpacity(theme.centerChannelColor, 0.15),
            borderBottomWidth: 1,
            borderRightWidth: 1,
            borderTopWidth: 1,
            marginTop: 5,
            padding: 12,
        },
        border: {
            borderLeftColor: changeOpacity(theme.linkColor, 0.6),
            borderLeftWidth: 3,
        },
    };
});