Serraniel / AniwatchPlus

import { getGlobalConfiguration, SETTINGS_websiteAutoTimeConversion } from '../configuration/configuration';

import * as core from '../utils/aniwatchCore';

import * as helper from '../utils/helpers';

const __alteredNodes = [];

const DAYS = ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday', 'Sunday'];

export function init(): void {

    getGlobalConfiguration().getProperty(SETTINGS_websiteAutoTimeConversion, value => {

        if (value) {

            // The regexp pattern matches anything except the airing page. 

            // This is because we would have to restructure the complete site to update time data.

            // Additionally, there is a big hint that all data would be UTC+1

            core.runAfterLoad(() => {

                updateTimestamps(document.documentElement);

            }, "^/(?!airing).*$");

            core.runAfterLocationChange(() => {

                updateTimestamps(document.documentElement);

            }, "^/(?!airing).*$");

            core.registerScript((node: Node) => {

                updateTimestamps(node);

            }, "^/(?!airing).*$");

        }

    });

}

function getSpaceDateTimeFormat(use24Format: boolean): string {

    return `${getSpaceDateFormat()} ${getSpaceTimeFormat(use24Format)}`;

}

function getSpaceTimeFormat(use24Format: boolean): string {

    if (use24Format) {

        return '{time-24}';

    }

    return '{time}';

}

function getSpaceDateFormat(): string {

    return '{date}. {month-short} {year}';

}

function tryUpdateDateTime(node: Node): boolean {

    const REG_DATETIME = /(\d{2}(\/|\.)){2}\d{4} *\d?\d:\d{2}( (AM|PM))?/g;

    const REG_TIME = /\d?\d:\d{2}/;

    const REG_AMPM = /\s(am|pm)/i;

    let hits = Array.from(node.textContent.matchAll(REG_DATETIME), match => match[0]);

    if (hits.length === 0) {

        return false;

    }

    hits.forEach(hit => {

        let use24Format = false;

        let processedStr = hit

        // string must be converted into 12h format

        if (processedStr.search(REG_AMPM) < 0) {

            let timeStr = processedStr.match(REG_TIME)[0];

            let hm = timeStr.split(':');

            let hour = parseInt(hm[0]);

            if (hour >= 12) {

                timeStr = timeStr.replace(`${hour}:`, `${hour - 12}:`);

                timeStr += 'pm';

            }

            else {

                timeStr += 'am';

            }

            processedStr = processedStr.replace(REG_TIME, timeStr);

            use24Format = true;

        }

        // if time has a space before am/pm, this has to be removed for spacetime

        processedStr = processedStr.replace(REG_AMPM, '$1');

        let datetime = spacetime(processedStr, 'UTC+1', { dmy: true });

        datetime = datetime.goto(spacetime().tz);

        let replaceText = String(datetime.format(getSpaceDateTimeFormat(use24Format)));

        node.textContent = node.textContent.replace(hit, replaceText);

    });

    return true;

}

function tryUpdateDate(node: Node): boolean {

    const REG_DATE = /(\d{2}(\/|\.)){2}\d{4}/g;

    let hits = Array.from(node.textContent.matchAll(REG_DATE), match => match[0]);

    if (hits.length === 0) {

        return false;

    }

    hits.forEach(hit => {

        let datetime = spacetime(hit, 'UTC+1', { dmy: true });

        datetime = datetime.goto(spacetime().tz);

        let replaceText = String(datetime.format(getSpaceDateFormat()));

        node.textContent = node.textContent.replace(hit, replaceText);

    });

    return true;

}

function tryUpdateTime(node: Node): boolean {

    const REG_TIME = /\d?\d:\d{2}( (AM|PM))?/g;

    const REG_AMPM = /\s(am|pm)/i;

    let hits = Array.from(node.textContent.matchAll(REG_TIME), match => match[0]);

    if (hits.length === 0) {

        return false;

    }

    hits.forEach(hit => {

        let use24Format = false;

        let processedStr = hit

        // string must be converted into 12h format

        if (processedStr.search(REG_AMPM) < 0) {

            let timeStr = processedStr.match(REG_TIME)[0];

            let hm = timeStr.split(':');

            let hour = parseInt(hm[0]);

            if (hour >= 12) {

                timeStr = timeStr.replace(`${hour}:`, `${hour - 12}:`);

                timeStr += 'pm';

            }

            else {

                timeStr += 'am';

            }

            processedStr = processedStr.replace(REG_TIME, timeStr);

            use24Format = true;

        }

        // if time has a space before am/pm, this has to be removed for spacetime

        processedStr = processedStr.replace(REG_AMPM, '$1');

        let datetime = spacetime();

        datetime = datetime.goto('UTC+1');

        datetime = datetime.time(processedStr);

        datetime = datetime.goto(spacetime().tz);

        let replaceText = String(datetime.format(getSpaceTimeFormat(use24Format)));

        node.textContent = node.textContent.replace(hit, replaceText);

        // SPECIAL CASE: Anime has the day written in broadcast bade. This may be different in another timezone

        let tzMeta = spacetime().timezone();

        let originalH = datetime.hour() - tzMeta.current.offset + 1;

        let dOffset = 0;

        // we moved to next day

        if (originalH < 0) {

            dOffset = 1;

        }

        // we moved to previous day

        else if (originalH > 24) {

            dOffset = -1;

        }

        // if day changed

        if (dOffset != 0) {

            let dayNode = (node.parentNode as Element)?.previousElementSibling;

            if (helper.assigned(dayNode)) {

                for (let i = 0; i < DAYS.length; i++) {

                    if (dayNode.textContent.indexOf(DAYS[i]) >= 0) {

                        dayNode.textContent = dayNode.textContent.replace(DAYS[i], DAYS[(i + DAYS.length + dOffset) % DAYS.length]); // add DAYS.length to avoid negative numbers in the modulo operation

                        break;

                    }

                }

            }

        }

    });

    return true;

}

function tryUpdateTimeZone(node: Node): boolean {

    const HINT_UTC = 'UTC+1';

    if (node.textContent === HINT_UTC) {

        let tzMeta = spacetime().timezone();

        node.textContent = `${tzMeta.name} (UTC${tzMeta.current.offset >= 0 ? '+' : ''}${tzMeta.current.offset})`;

        return true;

    }

    return false;

}

    });