'use strict'
const path = require('path')
const webpack = require('webpack')
const assert = require('assert')
const {BundleAnalyzerPlugin} = require('webpack-bundle-analyzer')

function getDefaultConfiguration() {
  return {
    cache: true,
    performance: {hints: false},
    stats: 'errors-only',
    entry: './dist/npm/index.js',
    output: {
      library: 'ripple',
      path: path.join(__dirname, 'build/'),
      filename: `ripple-lib.default.js`
    },
    plugins: [
      new webpack.NormalModuleReplacementPlugin(/^ws$/, './wsWrapper'),
      new webpack.NormalModuleReplacementPlugin(/^\.\/wallet\/index$/, './wallet-web'),
      new webpack.NormalModuleReplacementPlugin(
        /^.*setup-api$/,
        './setup-api-web'
      ),
      new webpack.ProvidePlugin({process: 'process/browser'}),
      new webpack.ProvidePlugin({Buffer: ['buffer', 'Buffer']})
    ],
    module: {
      rules: []
    },
    resolve: {
      alias: {
        'ws': './dist/npm/client/wsWrapper.js',
        'https-proxy-agent': false
      },
      extensions: ['.js', '.json'],
      fallback: {
        buffer: require.resolve('buffer/'),
        assert: require.resolve('assert/'),
        url: require.resolve('url/'),
        stream: require.resolve('stream-browserify'),
        crypto: require.resolve('crypto-browserify'),
        https: require.resolve('https-browserify'),
        http: require.resolve('stream-http')
      }
    }
  }
}

function webpackForTest(testFileName) {
  const match = testFileName.match(/\/?([^\/]*).ts$/)
  if (!match) {
    assert(false, 'wrong filename:' + testFileName)
  }

  const test = {
    cache: true,
    externals: [
      {
        'xrpl-local': 'ripple',
        'net': 'null'
      }
    ],
    entry: testFileName,
    output: {
      library: match[1].replace(/-/g, '_'),
      path: path.join(__dirname, './testCompiledForWeb/'),
      filename: match[1] + '.js'
    },
    plugins: [
      new webpack.ProvidePlugin({process: 'process/browser'}),
      new webpack.ProvidePlugin({Buffer: ['buffer', 'Buffer']})
    ],
    module: {
      rules: [
        {
          test: /jayson/,
          use: 'null'
        },
        {
          test: /\.ts$/,
          use: [
            {
              loader: 'ts-loader',
              options: {
                compilerOptions: {
                  composite: false,
                  declaration: false,
                  declarationMap: false
                }
              }
            }
          ]
        }
      ]
    },
    node: {
      global: true,
      __filename: false,
      __dirname: true
    },
    resolve: {
      alias: {
        'ws': './dist/npm/client/wsWrapper.js',
        'https-proxy-agent': false
      },
      extensions: ['.ts', '.js', '.json'],
      fallback: {
        buffer: require.resolve('buffer/'),
        assert: require.resolve('assert/'),
        url: require.resolve('url/'),
        stream: require.resolve('stream-browserify'),
        crypto: require.resolve('crypto-browserify'),
        path: require.resolve('path-browserify'),
        http: require.resolve('stream-http')
      }
    }
  }
  return Object.assign({}, getDefaultConfiguration(), test)
}

module.exports = [
  (env, argv) => {
    const config = getDefaultConfiguration()
    config.mode = 'development'
    config.output.filename = `ripple-latest.js`
    return config
  },
  (env, argv) => {
    const config = getDefaultConfiguration()
    config.mode = 'production'
    config.output.filename = `ripple-latest-min.js`
    if (process.argv.includes('--analyze')) {
      config.plugins.push(new BundleAnalyzerPlugin())
    }
    return config
  },
  (env, argv) => webpackForTest('./test/integration/integration.ts')
]