/* tslint:disable:quotemark */

import * as _ from 'lodash';
import * as urlHelper from 'url';

import { domain as extractDomain } from '../../bbcode/core';

// tslint:disable-next-line:ban-ts-ignore
// @ts-ignore
// tslint:disable-next-line:no-submodule-imports ban-ts-ignore match-default-export-name
import processorScript from '!!raw-loader!./assets/browser.processor.raw.js';


export interface DomMutator {
    match: string | RegExp;
    injectJs: string;
    eventName: string;

    urlMutator?(url: string): string;
}


// tslint:disable-next-line:max-line-length
const imgurOuterStyle = 'z-index: 1000000; position: absolute; bottom: 0.75rem; right: 0.75rem; background: rgba(0, 128, 0, 0.8); border: 2px solid rgba(144, 238, 144, 0.5); width: 3rem; height: 3rem; font-size: 15pt; font-weight: normal; color: white; border-radius: 3rem; margin: 0; font-family: Helvetica,Arial,sans-serif; box-shadow: 2px 2px 2px rgba(0,0,0,0.5)';
// tslint:disable-next-line:max-line-length
const imgurInnerStyle = 'position: absolute; top: 50%; left: 50%; transform: translateY(-50%) translateX(-50%); text-shadow: 1px 1px 2px rgba(0,0,0,0.4);';

export interface DomMutatorScripts {
    processor: string;
}


export class ImageDomMutator {
    // tslint:disable: prefer-function-over-method
    private hostMutators: Record<string, DomMutator> = {};
    private regexMutators: DomMutator[] = [];
    private debug: boolean;
    private scripts: DomMutatorScripts = { processor: '' };

    constructor(debug: boolean) {
        // this.debug = debug;
        this.debug = debug || true;
    }

    setDebug(debug: boolean): void {
        this.debug = debug;
    }


    mutateUrl(url: string): string {
        const mutator = this.matchMutator(url);

        if ((!mutator) || (!mutator.urlMutator))
            return url;

        return mutator.urlMutator(url);
    }


    getMutatorJsForSite(url: string, eventName: string): string | undefined {
        let mutator = this.matchMutator(url);

        if (!mutator) {
            mutator = this.hostMutators['default'];
        }

        if ((!mutator) || (mutator.eventName !== eventName))
            return;

        // console.log(`Mutator match: ${mutator.match}`, (mutator === this.hostMutators['default']), url);

        return this.wrapJs(mutator.injectJs) + this.getReShowMutator();
    }

    matchMutator(url: string): DomMutator | undefined {
        if (url === 'about:blank') {
            return this.hostMutators['about:blank'];
        }

        const urlDomain = extractDomain(url);

        if (!urlDomain)
            return;

        if (urlDomain in this.hostMutators)
            return this.hostMutators[urlDomain];

        return _.find(
            this.regexMutators,
            (m: DomMutator) => {
                const match = m.match;

                return (match instanceof RegExp) ? (urlDomain.match(match) !== null) : (match === urlDomain);
            }
        );
    }

    protected wrapJs(mutatorJs: string): string {
        return `(() => { try { ${mutatorJs} } catch (err) { console.error('Mutator error', err); } })();`;
    }

    protected add(
        domain: string | RegExp,
        mutatorJs: string,
        urlMutator?: (url: string) => string,
        eventName: string = 'update-target-url'
    ): void {
        if (domain instanceof RegExp) {
            this.regexMutators.push(
                {
                    match: domain,
                    injectJs: mutatorJs,
                    urlMutator,
                    eventName
                }
            );

            return;
        }

        this.hostMutators[domain] = {
            match: domain,
            injectJs: mutatorJs,
            urlMutator,
            eventName
        };
    }


    protected async loadScripts(): Promise<void> {
        this.scripts = {
            processor: processorScript
        };
    }


    async init(): Promise<void> {
        await this.loadScripts();

        /* tslint:disable max-line-length */
        this.add('default', this.getBaseJsMutatorScript(['.content video', '.content img', '#video, video', '#image, img']));
        this.add('about:blank', '');
        this.add('e621.net', this.getBaseJsMutatorScript(['video', '#image']));
        this.add('e-hentai.org', this.getBaseJsMutatorScript(['video', '#img']));
        this.add('gelbooru.com', this.getBaseJsMutatorScript(['video.gelcomVPlayer', '.post-view video', '.contain-push video', '#image']));
        this.add('gyazo.com', this.getBaseJsMutatorScript(['.image-view video', '.image-view img']));
        this.add('chan.sankakucomplex.com', this.getBaseJsMutatorScript(['video', '#image']));
        this.add('danbooru.donmai.us', this.getBaseJsMutatorScript(['video', '#image']));
        this.add('gfycat.com', this.getBaseJsMutatorScript(['video'], true, [], true));
        this.add('gfycatporn.com', this.getBaseJsMutatorScript(['video'], true, [], true));
        this.add('youtube.com', this.getBaseJsMutatorScript(['video']), undefined, 'dom-ready');
        this.add('instantfap.com', this.getBaseJsMutatorScript(['#post video', '#post img']));
        this.add('webmshare.com', this.getBaseJsMutatorScript(['video']));
        this.add('vimeo.com', this.getBaseJsMutatorScript(['#video, video', '#image, img']));
        this.add('sex.com', this.getBaseJsMutatorScript(['.image_frame video', '.image_frame img']), undefined, 'dom-ready');
        // this.add('redirect.media.tumblr.com', this.getBaseJsMutatorScript(['picture video', 'picture img']));
        this.add(/^[a-zA-Z0-9-]+\.media\.tumblr\.com$/, this.getBaseJsMutatorScript(['.photoset video', '.photoset img', 'img:not([role="img"]):not([alt="Avatar"])', '#base-container video', '#base-container img', 'picture video', 'picture img', 'video', 'img']), undefined, 'dom-ready');
        this.add(/^[a-zA-Z0-9-]+\.tumblr\.com$/, this.getBaseJsMutatorScript(['.photoset iframe', '.photoset video', '.photoset img', 'img:not([role="img"]):not([alt="Avatar"])', 'picture video', 'picture img', 'video', 'img']), undefined, 'dom-ready');
        this.add('postimg.cc', this.getBaseJsMutatorScript(['video', '#main-image']));
        this.add('gifsauce.com', this.getBaseJsMutatorScript(['video']));
        // this.add('motherless.com', this.getBaseJsMutatorScript(['.content video', '.content img']));
        this.add(/^media[0-9]\.giphy\.com$/, this.getBaseJsMutatorScript(['video', 'img[alt]']));
        this.add('giphy.com', this.getBaseJsMutatorScript(['video', 'a > div > img']));
        this.add(/^media[0-9]\.tenor\.com$/, this.getBaseJsMutatorScript(['#view .file video', '#view .file img']));
        this.add('tenor.com', this.getBaseJsMutatorScript(['#view video', '#view img']));
        this.add('hypnohub.net', this.getBaseJsMutatorScript(['video', '#image', 'img']));
        this.add('derpibooru.org', this.getBaseJsMutatorScript(['video', '#image-display', 'img']));
        this.add('sexbot.gallery', this.getBaseJsMutatorScript(['video.hero', 'video']));
        this.add('imagefap.com', this.getBaseJsMutatorScript(['.image-wrapper img', 'video', 'img']));
        this.add('myhentaicomics.com', this.getBaseJsMutatorScript(['#entire_image img', 'video', 'img']));
        this.add('redgifs.com', this.getBaseJsMutatorScript(['video'], true, [], false, true));
        this.add('furaffinity.net', this.getBaseJsMutatorScript(['#submissionImg', 'video', 'img']));
        this.add('rule34.paheal.net', this.getBaseJsMutatorScript(['#main_image', 'video', 'img']));
        this.add('xhamster.com', this.getBaseJsMutatorScript(['#photo_slider video', '#photo_slider img', 'video', 'img']));
        this.add('shadbase.com', this.getBaseJsMutatorScript(['#comic video', '#comic img', 'video', 'img']));
        this.add('instagram.com', this.getBaseJsMutatorScript(['article video', 'article img', 'video', 'img']));
        this.add('rule34video.com', this.getBaseJsMutatorScript(['video'], true, [], false, true));

        this.add(
            'pornhub.com',
            this.getBaseJsMutatorScript([/*'#__flistCore', '#player', */ '#photoImageSection img', 'video', 'img', '#player'], false)
        );


        this.add(
            'gifmixxx.com',
            `
                const bgImage = document.querySelector('.gif.fit');
                const bgImageStyle = bgImage.style.backgroundImage;
                ${this.getBaseJsMutatorScript(['.gif.fit', '.gif', 'video', 'img'])};
                bgImage.style.backgroundImage = bgImageStyle;
                bgImage.style.backgroundSize = 'contain';
                bgImage.style.backgroundRepeat = 'no-repeat';
                bgImage.style.color = 'transparent';
            `
        );

        this.add(
            'i.imgur.com',
            `
                const imageCount = (new URL(window.location.href)).searchParams.get('flist_gallery_image_count');

                ${this.getBaseJsMutatorScript(['video', 'img'])}

                if(imageCount > 1) {
                    ${this.injectHtmlJs(`<div id="imageCount" style="${imgurOuterStyle}"><div id="imageCountInner" style="${imgurInnerStyle}"></div></div>`)}

                    const imageCountEl = document.getElementById('imageCountInner');

                    if (imageCountEl) {
                        imageCountEl.innerHTML = '' + (imageCount);
                    }
                }
            `
        );


        this.add(
            'imgur.com',
            `
                const imageCount = $('.post-container video, .post-container img').length;

                ${this.getBaseJsMutatorScript(['.post-container video', '.post-container img'], true)}

                if(imageCount > 1)
                    $('#flistWrapper').append('<div id="imageCount" style="${imgurOuterStyle}"><div style="${imgurInnerStyle}">+' + (imageCount - 1) + '</div></div>');
            `
        );

        this.add(
            'rule34.xxx',
            `${this.getBaseJsMutatorScript(['video', '#image'])}
                const content = document.querySelector('#content');

                if (content) content.remove();
            `,
            undefined,
            'dom-ready'
        );

        this.add(
            'hentai-foundry.com',
            this.getBaseJsMutatorScript(['#picBox video', '#picBox img']),
            (url: string): string => {
                const u = urlHelper.parse(url, true);

                if (!u)
                    return url;

                // tslint:disable-next-line no-any
                (u.query as any).enterAgree = 1;

                u.search = null;

                return urlHelper.format(u);
            }
        );


        this.add(
            'twitter.com',
            `
            const finalizer = (counter) => {
                if (counter <= 0) {
                    return;
                }

                setTimeout(
                    () => {
                        const e = document.querySelector('#flistWrapper img');

                        if (e) {
                            const src = e.getAttribute('src');

                            if (src) {
                                e.setAttribute('src', src.replace(/name\=[a-z0-9\-\_]+/, 'name=large'));
                            }
                        }

                        const v = document.querySelector('#flistWrapper video');

                        if (v) {
                            v.play();
                        }

                        finalizer(counter - 1);
                    },
                    100
                );
            };

            const scheduler = () => {
                setTimeout(
                    () => {
                        // skip content warning
                        document.querySelectorAll('article article div[tabindex="0"] *').forEach(e => e.click());

                        if (!document.querySelector('article video, div[aria-label="Image"] img')) {
                            console.log('NOT FOUND');
                            scheduler();
                            return;
                        }

                        ${this.getBaseJsMutatorScript(['article video', 'div[aria-label=\'Image\'] img'])}

                        finalizer(25);
                    },
                    200
                );
            };

            scheduler();
            `
        );

    }


    protected getBaseJsMutatorScript(elSelector: string[], skipElementRemove: boolean = false, safeTags: string[] = [], delayPreprocess: boolean = false, scheduled: boolean = false): string {
        const js = this.scripts.processor; // ./assets/browser.processor.raw.js

        const settings = {
            skipElementRemove,
            safeTags,
            delayPreprocess,
            selectors: elSelector,
            schedule: scheduled,
            debug: this.debug
        };

        const settingsJson = JSON.stringify(settings, null, 0);

        return js.replace(/\/\* ## SETTINGS_START[^]*SETTINGS_END ## \*\//m, `this.settings = ${settingsJson};`);
    }


    getErrorMutator(code: number, description: string): string {
        const errorHtml = `
            <div id="flistError" style="
                width: 100% !important;
                height: 100% !important;
                background-color: black !important;
                position: absolute !important;
                top: 0 !important;
                left: 0 !important;
                right: 0 !important;
                bottom: 0 !important;
                z-index: 200000 !important;
                margin: 0 !important;
                padding: 0 !important;
                line-height: 100% !important;
                border: 0 !important;
                opacity: 1 !important;
                text-align: center !important;
            "><h1 style="
                color: #FF4444 !important;
                font-size: 45pt !important;
                margin: 0 !important;
                margin-top: 10pt !important;
                line-height: 100% !important;
                padding: 0 !important;
                border: 0 !important;
                background: none !important;
                font-family: Helvetica, Arial, sans-serif !important;
                font-weight: bold !important;
            ">${code}</h1><p style="
                max-width: 400px !important;
                color: #ededed !important;
                display: inline-block !important;
                font-size: 15pt !important;
                font-family: Helvetica, Arial, sans-serif !important;
                font-weight: 300 !important;
                border: 0 !important;
                margin: 0 !important;
                padding: 0 !important;
                margin-top: 5pt !important;
                line-height: 130% !important;
            ">${description}</p></div>
        `;

        return this.injectHtmlJs(errorHtml);
    }

    protected injectHtmlJs(html: string): string {
        return this.wrapJs(`
            const range = document.createRange();

            range.selectNode(document.body);

            const error = range.createContextualFragment(\`${html}\`);

            document.body.appendChild(error);
        `);
    }

    getHideMutator(): string {
        return this.injectHtmlJs(`
            <div id="flistHider" style="
                width: 100% !important;
                height: 100% !important;
                background-color: black !important;
                position: absolute !important;
                top: 0 !important;
                left: 0 !important;
                right: 0 !important;
                bottom: 0 !important;
                z-index: 300000 !important;
                margin: 0 !important;
                padding: 0 !important;
                line-height: 100% !important;
                border: 0 !important;
                opacity: 1 !important;
                text-align: center !important;
            "></div>
        `) + this.wrapJs(
            `
                window.__flistUnhide = () => {
                    const elements = document.querySelectorAll('#flistHider');

                    if (elements) {
                        elements.forEach( (el) => el.remove() );
                    }
                };
            `
        );
    }

    getReShowMutator(): string {
        return this.wrapJs(
            `
            const elements = document.querySelectorAll('#flistHider');

            if (elements) {
                elements.forEach( (el) => el.remove() );
            }
            `
        );
    }
}