/* ldgallery - A static generator which turns a collection of tagged
--             pictures into a searchable web gallery.
--
-- Copyright (C) 2019-2020  Guillaume FOUET
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU Affero General Public License as
-- published by the Free Software Foundation, either version 3 of the
-- License, or (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-- GNU Affero General Public License for more details.
--
-- You should have received a copy of the GNU Affero General Public License
-- along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/

/*
-- Create a file .env.development.local in the project to customize your DevServer
-- VUE_APP_DEVSERVER_CONFIG_PATH=<http_url> will use the dev_proxyconfig
-- VUE_APP_DEVSERVER_CONFIG_PATH=<fs_path> will use the dev_fsconfig
*/
const dev_ready = Boolean(process.env.VUE_APP_DEVSERVER_CONFIG_PATH);
const dev_isproxy = dev_ready && Boolean(process.env.VUE_APP_DEVSERVER_CONFIG_PATH.match(/^https?:\/\//i));
const dev_localpath = `^/${process.env.VUE_APP_DATA_URL}`;
const dev_proxyconfig = {
  [dev_localpath]: {
    target: process.env.VUE_APP_DEVSERVER_CONFIG_PATH,
    pathRewrite: { [dev_localpath]: "" },
  },
};
const dev_fsconfig = (app, server, compiler) => {
  app.get(`${dev_localpath}*`, (req, res) => {
    const fs = require("fs");
    const url = req.url.slice(process.env.VUE_APP_DATA_URL.length);
    const paramIdx = url.indexOf("?");
    const filepath = paramIdx < 0 ? url : url.substring(0, paramIdx);
    const fullpath = `${process.env.VUE_APP_DEVSERVER_CONFIG_PATH}${decodeURIComponent(filepath)}`;
    const file = fs.readFileSync(fullpath);
    res.end(file);
  });
};
// =================

module.exports = {
  publicPath: "./",
  pluginOptions: {
    i18n: {
      locale: "en",
      fallbackLocale: "en",
      localeDir: "locales",
      enableInSFC: false,
    },
  },
  chainWebpack: config => {
    config.plugins.delete("prefetch");
  },
  configureWebpack: {
    devtool: "source-map",
  },
  productionSourceMap: false,
  devServer: {
    port: process.env.VUE_APP_DEVSERVER_PORT,
    serveIndex: true,
    proxy: dev_ready && dev_isproxy ? dev_proxyconfig : undefined,
    before: dev_ready && !dev_isproxy ? dev_fsconfig : undefined,
  },
};