const fs = require('fs');
const path = require('path');
const ProgressPlugin = require('webpack/lib/ProgressPlugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const autoprefixer = require('autoprefixer');
const postcssUrl = require('postcss-url');
const cssnano = require('cssnano');

const { NoEmitOnErrorsPlugin, SourceMapDevToolPlugin, NamedModulesPlugin } = require('webpack');
const { GlobCopyWebpackPlugin, BaseHrefWebpackPlugin } = require('@angular/cli/plugins/webpack');
const { CommonsChunkPlugin } = require('webpack').optimize;
const { AotPlugin } = require('@ngtools/webpack');

const nodeModules = path.join(process.cwd(), 'node_modules');
const realNodeModules = fs.realpathSync(nodeModules);
const genDirNodeModules = path.join(process.cwd(), 'src', '$$_gendir', 'node_modules');
const entryPoints = ["inline","polyfills","sw-register","scripts","styles","vendor","main"];
const minimizeCss = false;
const baseHref = "";
const deployUrl = "";
const postcssPlugins = function () {
    // safe settings based on: https://github.com/ben-eb/cssnano/issues/358#issuecomment-283696193
    const importantCommentRe = /@preserve|@license|[@#]\s*source(?:Mapping)?URL|^!/i;
    const minimizeOptions = {
        autoprefixer: false,
        safe: true,
        mergeLonghand: false,
        discardComments: { remove: (comment) => !importantCommentRe.test(comment) }
    };
    return [
        postcssUrl({
            url: (URL) => {
                // Only convert root relative URLs, which CSS-Loader won't process into require().
                if (!URL.startsWith('/') || URL.startsWith('//')) {
                    return URL;
                }
                if (deployUrl.match(/:\/\//)) {
                    // If deployUrl contains a scheme, ignore baseHref use deployUrl as is.
                    return `${deployUrl.replace(/\/$/, '')}${URL}`;
                }
                else if (baseHref.match(/:\/\//)) {
                    // If baseHref contains a scheme, include it as is.
                    return baseHref.replace(/\/$/, '') +
                        `/${deployUrl}/${URL}`.replace(/\/\/+/g, '/');
                }
                else {
                    // Join together base-href, deploy-url and the original URL.
                    // Also dedupe multiple slashes into single ones.
                    return `/${baseHref}/${deployUrl}/${URL}`.replace(/\/\/+/g, '/');
                }
            }
        }),
        autoprefixer(),
    ].concat(minimizeCss ? [cssnano(minimizeOptions)] : []);
};


module.exports = {
    "target": "electron-renderer",
    "resolve": {
        "extensions": [
            ".ts",
            ".js"
        ],
        "modules": [
            "./node_modules",
            "./node_modules"
        ],
        "symlinks": true
    },
    "resolveLoader": {
        "modules": [
            "./node_modules",
            "./node_modules"
        ]
    },
    "entry": {
        "main": [
            "./src/main-renderer.ts"
        ],
        "polyfills": [
            "./src/polyfills.ts"
        ],
        "scripts": [
            "script-loader!./node_modules/bootstrap/dist/js/bootstrap.js",
            "script-loader!./node_modules/select2/dist/js/select2.full.js"
        ],
        "styles": [
            "./node_modules/bootstrap/dist/css/bootstrap.min.css",
            "./src/styles.scss"
        ]
    },
    "output": {
        "path": path.join(__dirname, "../uhk-agent/dist/renderer"),
        "filename": "[name].bundle.js",
        "chunkFilename": "[id].chunk.js"
    },
    "module": {
        "rules": [
            {
                "enforce": "pre",
                "test": /\.js$/,
                "loader": "source-map-loader",
                "exclude": [
                    /\/node_modules\//
                ]
            },
            {
                "test": /\.json$/,
                "loader": "json-loader"
            },
            {
                "test": /\.html$/,
                "loader": "raw-loader"
            },
            {
                "test": /\.(eot|svg)$/,
                "loader": "file-loader?name=[name].[hash:20].[ext]"
            },
            {
                "test": /\.(jpg|png|webp|gif|otf|ttf|woff|woff2|cur|ani)$/,
                "loader": "url-loader?name=[name].[hash:20].[ext]&limit=10000"
            },
            {
                "exclude": [
                    path.join(process.cwd(), "node_modules/bootstrap/dist/css/bootstrap.min.css"),
                    path.join(process.cwd(), "src/styles.scss")
                ],
                "test": /\.css$/,
                "use": [
                    "exports-loader?module.exports.toString()",
                    {
                        "loader": "css-loader",
                        "options": {
                            "sourceMap": false,
                            "importLoaders": 1
                        }
                    },
                    {
                        "loader": "postcss-loader",
                        "options": {
                            "ident": "postcss",
                            "plugins": postcssPlugins
                        }
                    }
                ]
            },
            {
                "exclude": [
                    path.join(process.cwd(), "node_modules/bootstrap/dist/css/bootstrap.min.css"),
                    path.join(process.cwd(), "src/styles.scss")
                ],
                "test": /\.scss$|\.sass$/,
                "use": [
                    "exports-loader?module.exports.toString()",
                    {
                        "loader": "css-loader",
                        "options": {
                            "sourceMap": false,
                            "importLoaders": 1
                        }
                    },
                    {
                        "loader": "postcss-loader",
                        "options": {
                            "ident": "postcss",
                            "plugins": postcssPlugins
                        }
                    },
                    {
                        "loader": "sass-loader",
                        "options": {
                            "sourceMap": false,
                            "precision": 8,
                            "includePaths": []
                        }
                    }
                ]
            },
            {
                "exclude": [
                    path.join(process.cwd(), "node_modules/bootstrap/dist/css/bootstrap.min.css"),
                    path.join(process.cwd(), "src/styles.scss")
                ],
                "test": /\.less$/,
                "use": [
                    "exports-loader?module.exports.toString()",
                    {
                        "loader": "css-loader",
                        "options": {
                            "sourceMap": false,
                            "importLoaders": 1
                        }
                    },
                    {
                        "loader": "postcss-loader",
                        "options": {
                            "ident": "postcss",
                            "plugins": postcssPlugins
                        }
                    },
                    {
                        "loader": "less-loader",
                        "options": {
                            "sourceMap": false
                        }
                    }
                ]
            },
            {
                "exclude": [
                    path.join(process.cwd(), "node_modules/bootstrap/dist/css/bootstrap.min.css"),
                    path.join(process.cwd(), "src/styles.scss")
                ],
                "test": /\.styl$/,
                "use": [
                    "exports-loader?module.exports.toString()",
                    {
                        "loader": "css-loader",
                        "options": {
                            "sourceMap": false,
                            "importLoaders": 1
                        }
                    },
                    {
                        "loader": "postcss-loader",
                        "options": {
                            "ident": "postcss",
                            "plugins": postcssPlugins
                        }
                    },
                    {
                        "loader": "stylus-loader",
                        "options": {
                            "sourceMap": false,
                            "paths": []
                        }
                    }
                ]
            },
            {
                "include": [
                    path.join(process.cwd(), "node_modules/bootstrap/dist/css/bootstrap.min.css"),
                    path.join(process.cwd(), "src/styles.scss")
                ],
                "test": /\.css$/,
                "use": [
                    "style-loader",
                    {
                        "loader": "css-loader",
                        "options": {
                            "sourceMap": false,
                            "importLoaders": 1
                        }
                    },
                    {
                        "loader": "postcss-loader",
                        "options": {
                            "ident": "postcss",
                            "plugins": postcssPlugins
                        }
                    }
                ]
            },
            {
                "include": [
                    path.join(process.cwd(), "node_modules/bootstrap/dist/css/bootstrap.min.css"),
                    path.join(process.cwd(), "src/styles.scss")
                ],
                "test": /\.scss$|\.sass$/,
                "use": [
                    "style-loader",
                    {
                        "loader": "css-loader",
                        "options": {
                            "sourceMap": false,
                            "importLoaders": 1
                        }
                    },
                    {
                        "loader": "postcss-loader",
                        "options": {
                            "ident": "postcss",
                            "plugins": postcssPlugins
                        }
                    },
                    {
                        "loader": "sass-loader",
                        "options": {
                            "sourceMap": false,
                            "precision": 8,
                            "includePaths": []
                        }
                    }
                ]
            },
            {
                "include": [
                    path.join(process.cwd(), "node_modules/bootstrap/dist/css/bootstrap.min.css"),
                    path.join(process.cwd(), "src/styles.scss")
                ],
                "test": /\.less$/,
                "use": [
                    "style-loader",
                    {
                        "loader": "css-loader",
                        "options": {
                            "sourceMap": false,
                            "importLoaders": 1
                        }
                    },
                    {
                        "loader": "postcss-loader",
                        "options": {
                            "ident": "postcss",
                            "plugins": postcssPlugins
                        }
                    },
                    {
                        "loader": "less-loader",
                        "options": {
                            "sourceMap": false
                        }
                    }
                ]
            },
            {
                "include": [
                    path.join(process.cwd(), "node_modules/bootstrap/dist/css/bootstrap.min.css"),
                    path.join(process.cwd(), "src/styles.scss")
                ],
                "test": /\.styl$/,
                "use": [
                    "style-loader",
                    {
                        "loader": "css-loader",
                        "options": {
                            "sourceMap": false,
                            "importLoaders": 1
                        }
                    },
                    {
                        "loader": "postcss-loader",
                        "options": {
                            "ident": "postcss",
                            "plugins": postcssPlugins
                        }
                    },
                    {
                        "loader": "stylus-loader",
                        "options": {
                            "sourceMap": false,
                            "paths": []
                        }
                    }
                ]
            },
            {
                "test": /\.ts$/,
                "loader": "@ngtools/webpack"
            }
        ]
    },
    "plugins": [
        new NoEmitOnErrorsPlugin(),
        new GlobCopyWebpackPlugin({
            "patterns": [
                "assets",
                "favicon.ico"
            ],
            "globOptions": {
                "cwd": path.join(process.cwd(), "src"),
                "dot": true,
                "ignore": "**/.gitkeep"
            }
        }),
        new ProgressPlugin(),
        new HtmlWebpackPlugin({
            "template": "./src/index.html",
            "filename": "./index.html",
            "hash": false,
            "inject": true,
            "compile": true,
            "favicon": false,
            "minify": false,
            "cache": true,
            "showErrors": true,
            "chunks": "all",
            "excludeChunks": [],
            "title": "Webpack App",
            "xhtml": true,
            "chunksSortMode": function sort(left, right) {
                let leftIndex = entryPoints.indexOf(left.names[0]);
                let rightindex = entryPoints.indexOf(right.names[0]);
                if (leftIndex > rightindex) {
                    return 1;
                }
                else if (leftIndex < rightindex) {
                    return -1;
                }
                else {
                    return 0;
                }
            }
        }),
        new BaseHrefWebpackPlugin({ baseHref: '' }),
        new CommonsChunkPlugin({
            "minChunks": 2,
            "async": "common"
        }),
        new CommonsChunkPlugin({
            "name": [
                "inline"
            ],
            "minChunks": null
        }),
        new CommonsChunkPlugin({
            "name": [
                "vendor"
            ],
            "minChunks": (module) => {
                return module.resource
                    && (module.resource.startsWith(nodeModules)
                        || module.resource.startsWith(genDirNodeModules)
                        || module.resource.startsWith(realNodeModules));
            },
            "chunks": [
                "main"
            ]
        }),
        new SourceMapDevToolPlugin({
            "filename": "[file].map[query]",
            "moduleFilenameTemplate": "[resource-path]",
            "fallbackModuleFilenameTemplate": "[resource-path]?[hash]",
            "sourceRoot": "webpack:///"
        }),
        new NamedModulesPlugin({}),
        new AotPlugin({
            "mainPath": "main-renderer.ts",
            "hostReplacementPaths": {
                "environments/environment.ts": "environments/environment.ts"
            },
            "exclude": [],
            "tsConfigPath": "src/tsconfig.renderer.json",
            "skipCodeGeneration": true
        })
    ],
    "node": {
        "fs": true,
        "global": true,
        "crypto": "empty",
        "tls": "empty",
        "net": "empty",
        "process": true,
        "module": false,
        "clearImmediate": false,
        "setImmediate": false
    },
    "devServer": {
        "historyApiFallback": true
    }
};