import fs from 'node:fs';
import path from 'path';

import yamlPlugin from '@rollup/plugin-yaml';
import { sentryVitePlugin } from '@sentry/vite-plugin';
import { defineNuxtConfig } from 'nuxt/config';
import type { RouteMeta } from 'vue-router';

import type { Config } from './locale/config.ts';
import type { Translations } from './locale/translations.ts';
import mdPlugin from './plugins/rollup/md.ts';
import sumlPlugin from './plugins/rollup/suml.ts';
import tsvPlugin from './plugins/rollup/tsv.ts';
import dotenv from './server/dotenv.ts';
import { loadSuml } from './server/loader.ts';

interface TranslatedRoute {
    paths: string[];
    meta?: RouteMeta;
}

declare module 'nuxt/app' {
    interface PageMeta {
        translatedPaths?: (config: Config) => string[] | Record<string, TranslatedRoute>;
    }
}

dotenv();

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

const locale = config.locale;
const title = translations.title;
const description = translations.description;
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 versionFile = `${__dirname}/cache/version`;
const version = fs.existsSync(versionFile) ? fs.readFileSync(versionFile).toString('utf-8') : undefined;

const publicKeyFile = `${__dirname}/keys/public.pem`;
const publicKey = fs.existsSync(publicKeyFile) ? fs.readFileSync(publicKeyFile).toString('utf-8') : undefined;

const esBuildOptions = {
    supported: {
        'top-level-await': true,
    },
};

const postCssPlugins: Record<string, object> = {
    autoprefixer: {},
    cssnano: {},
};

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

const hostname = process.env.HOST ?? '0.0.0.0';
const port = parseInt(process.env.PORT ?? '3000');
export default defineNuxtConfig({
    modules: [
        '@pinia/nuxt',
        '@nuxtjs/plausible',
        '@vite-pwa/nuxt',
        '@nuxt/test-utils/module',
        '@nuxt/eslint',
    ],
    devtools: {
        enabled: true,
    },
    css: [
        '~/assets/style.scss',
    ],
    vue: {
        compilerOptions: {
            whitespace: 'preserve',
        },
        transformAssetUrls: {
            // disable transforming on <img src> because components/Header.vue has optional
            // /img-local/census/census-banner-horizontal.png and /img-local/census/census-banner-horizontal-mobile.png
            img: [],
        },
    },
    runtimeConfig: {
        public: {
            env: process.env.ENV,
            baseUrl: process.env.BASE_URL,
            homeUrl: process.env.HOME_URL || 'https://pronouns.page',
            allLocalesUrls: process.env.ALL_LOCALES_URLS!.split(','),
            version,
            publicKey,
            turnstileSiteKey: process.env.TURNSTILE_SITEKEY,
            cloudfront: process.env.CLOUDFRONT,
            heartbeatLink: process.env.HEARTBEAT_LINK!,
            shopifyStorefrontToken: process.env.SHOPIFY_STOREFRONT_TOKEN ?? '',
            plausible: {
                enabled: !!process.env.PLAUSIBLE_API_HOST,
                domain: process.env.PLAUSIBLE_DOMAIN || translations.domain,
                apiHost: process.env.PLAUSIBLE_API_HOST,
                // 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*
                autoPageviews: false,
            },
            sentry: {
                dsn: process.env.SENTRY_DSN,
            },
        },
    },
    // effectively disabling the feature, see: https://nuxt.com/docs/api/nuxt-config#ignoreprefix
    ignorePrefix: 'IGNORE',
    sourcemap: true,
    devServer: {
        host: hostname, // listen on any host name
        port,
    },
    features: {
        inlineStyles: false,
    },
    compatibilityDate: '2024-07-06',
    nitro: {
        rollupConfig: {
            external: [
                'canvas',
                'sharp',
            ],
        },
        esbuild: {
            options: esBuildOptions,
        },
    },
    serverHandlers: [
        {
            route: '/api/**',
            handler: '~/server/index.ts',
        },
    ],
    vite: {
        plugins: [
            mdPlugin(),
            sumlPlugin(),
            tsvPlugin(),
            yamlPlugin(),
            sentryVitePlugin({
                disable: !process.env.SENTRY_AUTH_TOKEN,
                telemetry: false,
                org: process.env.SENTRY_ORG,
                project: process.env.SENTRY_PROJECT,
                authToken: process.env.SENTRY_AUTH_TOKEN,
            }),
        ],
        css: {
            preprocessorOptions: {
                scss: {
                    api: 'legacy',
                },
            },
        },
        resolve: {
            alias: {
                '~@fortawesome': path.resolve(__dirname, 'node_modules/@fortawesome'),
                '~@vuepic': path.resolve(__dirname, 'node_modules/@vuepic'),
                '~avris-sorter': path.resolve(__dirname, 'node_modules/avris-sorter'),
                '~bootstrap': path.resolve(__dirname, 'node_modules/bootstrap'),
            },
        },
        esbuild: esBuildOptions,
        optimizeDeps: {
            include: [
                // list dependencies which trigger “optimized dependencies changed. reloading”
                // https://github.com/nuxt/nuxt/discussions/27700
                '@floating-ui/vue',
                'avris-columnist',
                'avris-futurus',
                'avris-sorter',
                'canvas-confetti',
                'clipboard',
                'generic-diff',
                'html2canvas',
                'markdown-it',
                'markdown-it-mark',
                'markdown-it-sub',
                'markdown-it-sup',
                'nepali-calendar-js',
                'qr-code-styling',
                'suml',
                'uuid',
                'vue3-lazy-hydration',
                'vuedraggable',
                'zh_cn_zh_tw',
            ],
        },
        server: {
            watch: {
                ignored: ['**/test/output/**'],
            },
        },
    },
    typescript: {
        typeCheck: process.env.NODE_ENV !== 'production',
        tsConfig: {
            compilerOptions: {
                baseUrl: './',
                allowImportingTsExtensions: true,
            },
        },
    },
    postcss: {
        plugins: postCssPlugins,
    },
    hooks: {
        'pages:extend'(routes) {
            if (config.nouns.enabled) {
                for (const subroute of config.nouns.subroutes || []) {
                    routes.push({
                        path: `/${encodeURIComponent(subroute)}`,
                        name: `nouns-${subroute}`,
                        file: `~/data/nouns/${subroute}.vue`,
                    });
                }
            }
        },
    },
    eslint: {
        config: {
            stylistic: {
                indent: 4,
                semi: true,
                braceStyle: '1tbs',
                arrowParens: true,
            },
        },
    },
    pwa: {
        registerType: 'autoUpdate',
        manifest: {
            name: title,
            short_name: title,
            description,
            lang: locale,
            background_color: '#ffffff',
            theme_color: colour,
            // icons generated via `pwa-assets-generator --preset minimal-2023 public/logo/logo-primary.svg`
            // see https://vite-pwa-org.netlify.app/assets-generator/cli
            icons: [
                {
                    src: 'pwa-64x64.png',
                    sizes: '64x64',
                    type: 'image/png',
                },
                {
                    src: 'pwa-192x192.png',
                    sizes: '192x192',
                    type: 'image/png',
                },
                {
                    src: 'pwa-512x512.png',
                    sizes: '512x512',
                    type: 'image/png',
                },
                {
                    src: 'maskable-icon-512x512.png',
                    sizes: '512x512',
                    type: 'image/png',
                    purpose: 'maskable',
                },
            ],
        },
        workbox: {
            runtimeCaching: [
                {
                    urlPattern: /^\/@/,
                    handler: 'NetworkFirst',
                },
            ],
        },
    },
});