import './src/dotenv.ts';

import { loadSuml } from './server/loader.ts';
import autoprefixer from 'autoprefixer';
import fs from 'fs';
import path from 'path';
import rtlcss from 'rtlcss';
import type { NuxtConfig } from '@nuxt/types';
import type { IncomingMessage } from 'connect';
import type { ServerResponse } from 'http';
import type { Plugin as PostcssPlugin } from 'postcss';
import { buildList } from './src/helpers.ts';
import buildLocaleList from './src/buildLocaleList.ts';
import formatError from './src/error.ts';
import { tsvParseConfig } from './src/tsv.ts';
import type { Config } from './locale/config.ts';
import type { Translations } from './locale/translations.ts';

const config = loadSuml('config') as Config;
const translations = loadSuml('translations') as Translations;

const locale = config.locale;
const locales = buildLocaleList(locale);
const title = translations.title;
const description = translations.description;
const keywords = (translations?.seo?.keywords || []).join(', ');
const banner = `${process.env.BASE_URL}/api/banner/zaimki.png`;
const colour = '#C71585';

let __dirname = new URL('.', import.meta.url).pathname;
if (process.platform === 'win32') {
    // A small hack, for Windows can't have nice things.
    __dirname = __dirname.slice(1);
}

const logo = fs.readFileSync(`${__dirname}/static/logo/logo.svg`).toString('utf-8')
    .replace('/></svg>', 'fill="currentColor"/></svg>');
const versionFile = `${__dirname}/cache/version`;
const version = fs.existsSync(versionFile) ? fs.readFileSync(versionFile).toString('utf-8') : null;

const applePrivateKeyFile = `${__dirname}/keys/AuthKey_${process.env.APPLE_KEY_ID}.p8`;
process.env.APPLE_PRIVATE_KEY = fs.existsSync(applePrivateKeyFile) ? fs.readFileSync(applePrivateKeyFile).toString('utf-8') : '';

const allVersionsUrls = buildList(function*() {
    if (process.env.NODE_ENV === 'development') {
        yield process.env.BASE_URL;
        yield 'http://pronouns.test:3000';
        yield 'http://localhost:3000';
    } else if (process.env.ENV === 'test') {
        yield process.env.BASE_URL;
    } else {
        yield 'https://pronouns.page';
        for (const localeDescription of Object.values(locales)) {
            yield localeDescription.url;
        }
    }
});
process.env.ALL_LOCALES_URLS = allVersionsUrls.join(',');

const postCssPlugins: PostcssPlugin[] = [
    autoprefixer(),
];

if (config.dir === 'rtl') {
    postCssPlugins.push(rtlcss() as PostcssPlugin);
}

const getAllFiles = (dirPath: string, arrayOfFiles: string[] = []): string[] => {
    fs.readdirSync(dirPath).forEach(function (file) {
        if (fs.statSync(`${dirPath}/${file}`).isDirectory()) {
            arrayOfFiles = getAllFiles(`${dirPath}/${file}`, arrayOfFiles);
        } else {
            arrayOfFiles.push(path.join(dirPath, '/', file));
        }
    });

    return arrayOfFiles;
};
const jsons: Record<string, unknown> = {};
for (const file of getAllFiles(`${__dirname}/data/docs`)) {
    if (!file.endsWith('.json')) {
        continue;
    }
    jsons[path.relative(`${__dirname}/data/docs`, file)] = JSON.parse(fs.readFileSync(file).toString());
}


const hostname = process.env.HOST ?? '0.0.0.0';
const port = parseInt(process.env.PORT ?? '3000');
const nuxtConfig: NuxtConfig = {
    server: {
        host: hostname, // listen on any host name
        port,
    },
    target: 'server',
    head: {
        htmlAttrs: {
            dir: config.dir || 'ltr',
        },
        title,
        meta: [
            { charset: 'utf-8' },

            { hid: 'description', name: 'description', content: description },

            { hid: 'keywords', name: 'keywords', content: keywords },

            { name: 'viewport', content: 'width=device-width, initial-scale=1' },
            { hid: 'apple-mobile-web-app-title', name: 'apple-mobile-web-app-title', content: title },
            { hid: 'theme-color', name: 'theme-color', content: colour },

            { hid: 'og:type', property: 'og:type', content: 'article' },
            { hid: 'og:title', property: 'og:title', content: title },
            { hid: 'og:description', property: 'og:description', content: description },
            { hid: 'og:site_name', property: 'og:site_name', content: title },
            { hid: 'og:image', property: 'og:image', content: banner },

            { hid: 'twitter:card', property: 'twitter:card', content: 'summary_large_image' },
            { hid: 'twitter:title', property: 'twitter:title', content: title },
            { hid: 'twitter:description', property: 'twitter:description', content: description },
            { hid: 'twitter:site', property: 'twitter:site', content: process.env.BASE_URL },
            { hid: 'twitter:image', property: 'twitter:image', content: banner },
        ],
        link: [
            { rel: 'icon', type: 'image/svg', href: '/logo/logo-primary.svg' },
        ],
    },

    css: [
        '~/assets/style.scss',
    ],
    plugins: [
        { src: '~/plugins/polyfill.ts', mode: 'client' },
        { src: '~/plugins/axios.ts' },
        { src: '~/plugins/globals.ts' },
        { src: '~/plugins/auth.ts' },
        { src: '~/plugins/track.ts', mode: 'client' },
        { src: '~/plugins/browserDetect.ts' },
    ],
    components: true,
    buildModules: [
        '@nuxt/typescript-build',
    ],
    typescript: {
        typeCheck: process.env.NODE_ENV !== 'production',
    },
    modules: [
        '@privyid/nuxt-csrf',
        '@nuxtjs/pwa',
        '@nuxtjs/axios',
        ['@nuxtjs/redirect-module', {
            rules: config.redirects,
        }],
        '@nuxtjs/sentry',
        'cookie-universal-nuxt',
        'vue-plausible',
    ],
    pwa: {
        manifest: {
            name: title,
            short_name: title,
            description,
            background_color: '#ffffff',
            theme_color: colour,
            lang: locale,
        },
        workbox: {
            runtimeCaching: [
                {
                    urlPattern: /^\/@/,
                    handler: 'NetworkFirst',
                },
            ],
        },
    },
    plausible: {
        domain: process.env.PLAUSIBLE_DOMAIN || translations.domain,
        // NOTE(privacy): Disables automatic tracking of page views, meaning we have to do it manually
        //                If it's not done manually, a privacy issue occurs, which we *do not want*
        //                - tecc
        enableAutoPageviews: false,
    },
    sentry: {
        disabled: !process.env.SENTRY_DSN,
        tracing: {
            tracesSampleRate: 0.1,
            browserTracing: {
                enableInp: true,
            },
        },
        publishRelease: {
            telemetry: false,
        },
        config: {
            environment: process.env.NODE_ENV === 'production' ? config.locale : process.env.NODE_ENV!,
            attachStacktrace: true,
            beforeSend(event) {
                const denyUrls = [
                    'chrome-extension://',
                    'moz-extension://',
                    'webkit-masked-url://',
                    'https://s0.2mdn.net',
                    'https://j.adlooxtracking.com',
                    'https://c.amazon-adsystem.com',
                    'https://assets.a-mo.net',
                    'https://btloader.com',
                    'https://challenges.cloudflare.com',
                    'https://static.criteo.net',
                    'https://securepubads.g.doubleclick.net',
                    'https://cdn.flashtalking.com',
                    'https://ajs-assets.ftstatic.com',
                    'https://cdn.fuseplatform.net',
                    'https://cmp.inmobi.com',
                    'https://cdn.js7k.com',
                    'https://z.moatads.com',
                    'https://ced-ns.sascdn.com',
                    'https://a.teads.tv',
                    'https://s.yimg.com',
                ];

                // filter out exceptions originating from third party
                for (const exception of event.exception?.values || []) {
                    for (const frame of exception.stacktrace?.frames || []) {
                        const originatingFromThirdParty = denyUrls.some((denyUrl) => {
                            return frame.abs_path?.startsWith(denyUrl) || frame.filename?.startsWith(denyUrl);
                        });
                        if (originatingFromThirdParty) {
                            return null;
                        }
                    }
                }

                // do not send user information as Sentry somehow automatically detects username, email and user id
                // https://docs.sentry.io/platforms/javascript/data-management/sensitive-data/
                delete event.user;

                return event;
            },
            beforeSendTransaction(event) {
                // see comment on nuxtConfig.sentry.config.beforeSend
                delete event.user;
                return event;
            },
        },
    },
    publicRuntimeConfig: {
        ...config,
        plausible: {
            domain: process.env.PLAUSIBLE_DOMAIN || translations.domain,
            apiHost: process.env.PLAUSIBLE_API_HOST,
            enableAutoPageviews: false, // see comment on nuxtConfig.plausible.enableAutoPageviews
        },
    },
    watch: ['data/config.suml'],
    watchers: {
        webpack: {
            aggregateTimeout: 300,
            poll: 1000,
        },
    },
    build: {
        postcss: {
            postcssOptions: {
                plugins: postCssPlugins,
            },
        },
        optimization: {
            splitChunks: {
                maxSize: 250_000,
            },
        },
        extend(config) {
            config.module!.rules.push({
                test: /\.csv|\.tsv$/,
                loader: 'csv-loader',
                options: tsvParseConfig,
            });
            config.module!.rules.push({
                test: /\.suml$/,
                loader: 'suml-loader',
            });
            config.module!.rules.push({
                test: /\.md$/,
                use: ['html-loader', 'markdown-loader'],
            });
            config.module!.rules.push({
                test: /\.ya?ml$/,
                use: 'yaml-loader',
            });
            config.module!.rules.push({
                test: /\.js|\.ts$/,
                loader: 'string-replace-loader',
                options: {
                    // To load .json files inside of .js files of type module in a node environment,
                    // one has to either load from the filesystem or via a created require().
                    // While a load via filesystem is very unfriendly to webpack,
                    // the explicit creation of a require() function can be removed.
                    // This probably gets replaced in the future by a `import from with { type: 'json' }`
                    // statement, which is currently (2023-12) experimental in node and not well supported in webpack.
                    // https://nodejs.org/api/esm.html#json-modules
                    multiple: [
                        {
                            search: 'import { createRequire } from \'module\';',
                            replace: '',
                        },
                        {
                            search: /(?:const|var) require = createRequire\(import.meta.url\);/,
                            replace: '',
                        },
                    ],
                },
            });
        },
        transpile: ['markdown-it'],
    },
    env: {
        ENV: process.env.ENV!,
        BASE_URL: process.env.BASE_URL!,
        HOME_URL: process.env.HOME_URL || 'https://pronouns.page',
        PUBLIC_KEY: fs.readFileSync(`${__dirname}/keys/public.pem`).toString(),
        BUCKET: `https://${process.env.AWS_S3_BUCKET}.s3-${process.env.AWS_REGION}.amazonaws.com`,
        CLOUDFRONT: process.env.CLOUDFRONT!,
        TURNSTILE_SITEKEY: process.env.TURNSTILE_SITEKEY!,
        ALL_LOCALES_URLS: process.env.ALL_LOCALES_URLS,
        LOGO: logo,
        JSONS: JSON.stringify(jsons),
        PLAUSIBLE_API_HOST: process.env.PLAUSIBLE_API_HOST!,
        HEARTBEAT_LINK: process.env.HEARTBEAT_LINK!,
        VERSION: version!,
        SHOPIFY_STOREFRONT_TOKEN: process.env.SHOPIFY_STOREFRONT_TOKEN ?? '',
    },
    serverMiddleware: [
        '~/server/no-ssr.ts',
        '~/server/index.ts',
    ],
    axios: {
        baseURL: `${process.env.BASE_URL}/api`,
    },
    router: {
        extendRoutes(routes, resolve) {
            if (config.pronouns.enabled) {
                routes.push({
                    path: `/${encodeURIComponent(config.pronouns.route)}`,
                    component: resolve(__dirname, 'routes/pronouns.vue'),
                });
            }

            if (config.sources.enabled) {
                routes.push({
                    path: `/${encodeURIComponent(config.sources.route)}`,
                    component: resolve(__dirname, 'routes/sources.vue'),
                });
            }

            if (config.nouns.enabled) {
                routes.push({
                    path: `/${encodeURIComponent(config.nouns.route)}`,
                    component: resolve(__dirname, 'routes/nouns.vue'),
                });
                for (const subroute of config.nouns.subroutes || []) {
                    routes.push({
                        path: `/${encodeURIComponent(subroute)}`,
                        component: resolve(__dirname, `data/nouns/${subroute}.vue`),
                    });
                }
                if (config.nouns.templates.enabled && config.nouns.templates.route) {
                    routes.push({
                        path: `/${encodeURIComponent(config.nouns.templates.route)}`,
                        component: resolve(__dirname, 'routes/nounTemplates.vue'),
                    });
                }
            }

            if (config.inclusive.enabled) {
                routes.push({
                    path: `/${encodeURIComponent(config.inclusive.route)}`,
                    component: resolve(__dirname, 'routes/inclusive.vue'),
                });
            }
            if (config.terminology.enabled) {
                routes.push({
                    path: `/${encodeURIComponent(config.terminology.route)}`,
                    component: resolve(__dirname, 'routes/terminology.vue'),
                });

                if (config.nouns.enabled) {
                    // TODO remove later
                    routes.push({
                        path: `/${encodeURIComponent(config.nouns.route)}/${encodeURIComponent(config.terminology.route)}`,
                        component: resolve(__dirname, 'routes/terminology.vue'),
                    });
                }
            }

            if (config.names.enabled) {
                routes.push({
                    path: `/${encodeURIComponent(config.names.route)}`,
                    component: resolve(__dirname, 'routes/names.vue'),
                });
            }

            if (config.faq.enabled) {
                routes.push({
                    path: `/${encodeURIComponent(config.faq.route)}`,
                    component: resolve(__dirname, 'routes/faq.vue'),
                });
            }

            if (config.links.enabled) {
                routes.push({
                    path: `/${encodeURIComponent(config.links.route)}`,
                    component: resolve(__dirname, 'routes/links.vue'),
                });
                if (config.links.academicRoute) {
                    routes.push({
                        path: `/${encodeURIComponent(config.links.academicRoute)}`,
                        component: resolve(__dirname, 'routes/academic.vue'),
                    });
                }
                if (config.links.mediaRoute) {
                    routes.push({
                        path: `/${encodeURIComponent(config.links.mediaRoute)}`,
                        component: resolve(__dirname, 'routes/media.vue'),
                    });
                }
                if (config.links.translinguisticsRoute) {
                    routes.push({
                        path: `/${encodeURIComponent(config.links.translinguisticsRoute)}`,
                        component: resolve(__dirname, 'routes/translinguistics.vue'),
                    });
                }
            }

            if (config.links.enabled && config.links.blog) {
                routes.push({
                    path: `/${encodeURIComponent(config.links.blogRoute)}`,
                    component: resolve(__dirname, 'routes/blog.vue'),
                    name: 'blog',
                });
                routes.push({
                    path: `/${encodeURIComponent(config.links.blogRoute)}/:slug`,
                    component: resolve(__dirname, 'routes/blogEntry.vue'),
                    name: 'blogEntry',
                });
                if (config.blog && config.blog.shortcuts) {
                    for (const shortcut in config.blog.shortcuts) {
                        if (!config.blog.shortcuts.hasOwnProperty(shortcut)) {
                            continue;
                        }
                        const slug = config.blog.shortcuts[shortcut];
                        if ((config.blog.keepFullPath || []).includes(slug)) {
                            continue;
                        }
                        routes.push({
                            path: `/${encodeURIComponent(shortcut)}`,
                            component: resolve(__dirname, 'routes/blogEntry.vue'),
                            meta: { slug },
                            name: `blogEntryShortcut:${shortcut}`,
                        });
                    }
                }
            }

            if (config.links.zine && config.links.zine.enabled) {
                routes.push({
                    path: `/${encodeURIComponent(config.links.zine.route)}`,
                    component: resolve(__dirname, 'routes/zine.vue'),
                });
            }

            if (config.people.enabled) {
                routes.push({
                    path: `/${encodeURIComponent(config.people.route)}`,
                    component: resolve(__dirname, 'routes/people.vue'),
                });
            }

            if (config.english.enabled) {
                routes.push({
                    path: `/${encodeURIComponent(config.english.route)}`,
                    component: resolve(__dirname, 'routes/english.vue'),
                });
            }

            if (config.contact.enabled) {
                routes.push({
                    path: `/${encodeURIComponent(config.contact.route)}`,
                    component: resolve(__dirname, 'routes/contact.vue'),
                });

                if (config.contact.team.enabled) {
                    routes.push({
                        path: `/${encodeURIComponent(config.contact.team.route)}`,
                        component: resolve(__dirname, 'routes/team.vue'),
                    });
                }
            }

            if (config.census.enabled) {
                routes.push({
                    path: `/${encodeURIComponent(config.census.route)}`,
                    component: resolve(__dirname, 'routes/census.vue'),
                });
                routes.push({
                    path: `/${encodeURIComponent(config.census.route)}/admin`,
                    component: resolve(__dirname, 'routes/censusModeration.vue'),
                });
            }

            if (config.user.enabled) {
                routes.push({
                    path: `/${encodeURIComponent(config.user.route)}`,
                    component: resolve(__dirname, 'routes/user.vue'),
                });
                routes.push({
                    path: `/${encodeURIComponent(config.user.termsRoute)}`,
                    component: resolve(__dirname, 'routes/terms.vue'),
                });
                routes.push({
                    path: `/${encodeURIComponent(config.user.privacyRoute)}`,
                    component: resolve(__dirname, 'routes/privacy.vue'),
                });
            }
            routes.push({ path: '/license', component: resolve(__dirname, 'routes/license.vue') });
            routes.push({ path: '/design', component: resolve(__dirname, 'routes/design.vue') });

            routes.push({ path: '/admin', component: resolve(__dirname, 'routes/admin.vue') });

            routes.push({ path: '/admin/users', component: resolve(__dirname, 'routes/adminUsers.vue') });
            routes.push({ path: '/admin/profiles', component: resolve(__dirname, 'routes/adminProfiles.vue') });
            routes.push({
                path: '/admin/audit-log/:username/:id',
                component: resolve(__dirname, 'routes/adminAuditLog.vue'),
            });

            routes.push({
                path: '/admin/timesheets',
                component: resolve(__dirname, 'routes/adminTimesheets.vue'),
            });
            routes.push({
                path: '/admin/timesheets/overview',
                component: resolve(__dirname, 'routes/adminTimesheetsOverview.vue'),
            });

            routes.push({
                path: '/admin/moderation',
                component: resolve(__dirname, 'routes/adminModeration.vue'),
            });
            routes.push({
                path: '/admin/abuse-reports',
                component: resolve(__dirname, 'routes/adminAbuseReports.vue'),
            });
            routes.push({
                path: '/admin/pending-bans',
                component: resolve(__dirname, 'routes/adminPendingBans.vue'),
            });

            routes.push({
                path: '/admin/translations/missing',
                component: resolve(__dirname, 'routes/adminTranslationsMissing.vue'),
            });
            routes.push({
                path: '/admin/translations/awaiting',
                component: resolve(__dirname, 'routes/adminTranslationsAwaiting.vue'),
            });

            if (config.profile.enabled) {
                routes.push({ path: '/u/*', component: resolve(__dirname, 'routes/profile.vue') });
                routes.push({ path: '/@*', component: resolve(__dirname, 'routes/profile.vue') });
                routes.push({ path: '/card/@*', component: resolve(__dirname, 'routes/profileCard.vue') });
                if (config.profile.editorEnabled) {
                    routes.push({ path: '/editor', component: resolve(__dirname, 'routes/profileEditor.vue') });
                }
            }

            if (config.pronouns.enabled) {
                for (const prefix of [...config.pronouns?.sentence?.prefixes || [], config.pronouns?.prefix || '']) {
                    routes.push({
                        path: `${prefix}/${encodeURIComponent(config.pronouns.any)}`,
                        component: resolve(__dirname, 'routes/any.vue'),
                    });
                    routes.push({
                        path: `${prefix}/${encodeURIComponent(config.pronouns.any)}::group`,
                        component: resolve(__dirname, 'routes/any.vue'),
                    });
                    if (config.pronouns.null && config.pronouns.null.routes) {
                        for (const route of config.pronouns.null.routes) {
                            routes.push({
                                path: `${prefix}/${encodeURIComponent(route)}`,
                                component: resolve(__dirname, 'routes/avoiding.vue'),
                            });
                        }
                    }
                    if (config.pronouns.mirror) {
                        routes.push({
                            path: `${prefix}/${encodeURIComponent(config.pronouns.mirror.route)}`,
                            component: resolve(__dirname, 'routes/mirror.vue'),
                        });
                    }
                }
            }

            if (config.calendar && config.calendar.enabled) {
                routes.push({
                    path: `/${encodeURIComponent(config.calendar.route)}`,
                    component: resolve(__dirname, 'routes/calendar.vue'),
                });
                routes.push({
                    path: `/${encodeURIComponent(config.calendar.route)}/:year(\\d\\d\\d\\d)`,
                    component: resolve(__dirname, 'routes/calendar.vue'),
                });
                routes.push({
                    path: `/${encodeURIComponent(config.calendar.route)}/:year(\\d\\d\\d\\d)-:month(\\d\\d)-:day(\\d\\d)`,
                    component: resolve(__dirname, 'routes/calendarDay.vue'),
                });
            }

            if (config.workshops && config.workshops.enabled) {
                routes.push({
                    path: `/${encodeURIComponent(config.workshops.route)}`,
                    component: resolve(__dirname, 'routes/workshops.vue'),
                });
            }

            if (config.api !== null) {
                routes.push({ path: '/api', component: resolve(__dirname, 'routes/api.vue') });
            }

            routes.push({ name: 'all', path: '*', component: resolve(__dirname, 'routes/pronoun.vue') });
        },
        middleware: 'atom',
    },
    hooks: {
        render: {
            errorMiddleware(app) {
                app.use((err: Error, req: IncomingMessage, res: ServerResponse, next: (err?: unknown) => void) => {
                    if (err) {
                        console.error(formatError(err, req));
                    }
                    next(err);
                });
            },
        },
        listen(_server, { port }) {
            if (version) {
                process.stderr.write(`[${new Date().toISOString()}] ` +
                    `Listening on port ${port} with version ${version}\n`);
            }
        },
    },
    loadingIndicator: {
        name: 'views/loading.html',
    },
};

export default nuxtConfig;