From 355be0505f7e79503b5bb5a5ab3282e12a2d2014 Mon Sep 17 00:00:00 2001
From: root <root@git.maharshi.ninja>
Date: Tue, 20 Jul 2021 13:34:01 +0530
Subject: [PATCH] Lots of cleanup

---
 package.json                                 |   6 +-
 src/components/ErrorHandler.vue              |  19 ++
 src/components/HelloWorld.vue                | 151 -----------
 src/{routes => components}/Player.vue        |   6 +-
 src/{routes => components}/VideoItem.vue     |   0
 src/{routes => components}/VideoRedirect.vue |   0
 src/router/index.js                          |   2 +-
 src/routes/Channel.vue                       |   4 +-
 src/routes/ErrorHandler.vue                  |  16 --
 src/routes/Preferences.vue                   |   3 +-
 src/tools/CountryMap.js                      | 253 +++++++++++++++++++
 src/tools/DashUtils.js                       | 190 ++++++++++++++
 yarn.lock                                    |  35 ++-
 13 files changed, 509 insertions(+), 176 deletions(-)
 create mode 100644 src/components/ErrorHandler.vue
 delete mode 100644 src/components/HelloWorld.vue
 rename src/{routes => components}/Player.vue (98%)
 rename src/{routes => components}/VideoItem.vue (100%)
 rename src/{routes => components}/VideoRedirect.vue (100%)
 delete mode 100644 src/routes/ErrorHandler.vue
 create mode 100644 src/tools/CountryMap.js
 create mode 100644 src/tools/DashUtils.js

diff --git a/package.json b/package.json
index b30c96d..b555482 100644
--- a/package.json
+++ b/package.json
@@ -8,10 +8,14 @@
   },
   "dependencies": {
     "core-js": "^3.6.5",
+    "hotkeys-js": "^3.8.7",
+    "mux.js": "^5.12.2",
+    "shaka-player": "^3.2.0",
     "vue": "^2.6.11",
     "vue-router": "^3.2.0",
     "vuetify": "^2.4.0",
-    "vuex": "^3.4.0"
+    "vuex": "^3.4.0",
+    "xml-js": "^1.6.11"
   },
   "devDependencies": {
     "@vue/cli-plugin-babel": "~4.5.0",
diff --git a/src/components/ErrorHandler.vue b/src/components/ErrorHandler.vue
new file mode 100644
index 0000000..2f798fd
--- /dev/null
+++ b/src/components/ErrorHandler.vue
@@ -0,0 +1,19 @@
+<template>
+  <div>
+    <p>{{ message }}</p>
+    <v-btn x-large color="warning" @click="showStacktrace = !showStacktrace">Show More</v-btn>
+    <p style="white-space: pre-wrap" v-if="showStacktrace">{{ error }}</p>
+  </div>
+</template>
+
+<script>
+export default {
+  props: {
+    error: String,
+    message: String
+  },
+  data: () => ({
+    showStacktrace: false
+  })
+}
+</script>
diff --git a/src/components/HelloWorld.vue b/src/components/HelloWorld.vue
deleted file mode 100644
index 9964cb0..0000000
--- a/src/components/HelloWorld.vue
+++ /dev/null
@@ -1,151 +0,0 @@
-<template>
-  <v-container>
-    <v-row class="text-center">
-      <v-col cols="12">
-        <v-img
-          :src="require('../assets/logo.svg')"
-          class="my-3"
-          contain
-          height="200"
-        />
-      </v-col>
-
-      <v-col class="mb-4">
-        <h1 class="display-2 font-weight-bold mb-3">
-          Welcome to Vuetify
-        </h1>
-
-        <p class="subheading font-weight-regular">
-          For help and collaboration with other Vuetify developers,
-          <br>please join our online
-          <a
-            href="https://community.vuetifyjs.com"
-            target="_blank"
-          >Discord Community</a>
-        </p>
-      </v-col>
-
-      <v-col
-        class="mb-5"
-        cols="12"
-      >
-        <h2 class="headline font-weight-bold mb-3">
-          What's next?
-        </h2>
-
-        <v-row justify="center">
-          <a
-            v-for="(next, i) in whatsNext"
-            :key="i"
-            :href="next.href"
-            class="subheading mx-3"
-            target="_blank"
-          >
-            {{ next.text }}
-          </a>
-        </v-row>
-      </v-col>
-
-      <v-col
-        class="mb-5"
-        cols="12"
-      >
-        <h2 class="headline font-weight-bold mb-3">
-          Important Links
-        </h2>
-
-        <v-row justify="center">
-          <a
-            v-for="(link, i) in importantLinks"
-            :key="i"
-            :href="link.href"
-            class="subheading mx-3"
-            target="_blank"
-          >
-            {{ link.text }}
-          </a>
-        </v-row>
-      </v-col>
-
-      <v-col
-        class="mb-5"
-        cols="12"
-      >
-        <h2 class="headline font-weight-bold mb-3">
-          Ecosystem
-        </h2>
-
-        <v-row justify="center">
-          <a
-            v-for="(eco, i) in ecosystem"
-            :key="i"
-            :href="eco.href"
-            class="subheading mx-3"
-            target="_blank"
-          >
-            {{ eco.text }}
-          </a>
-        </v-row>
-      </v-col>
-    </v-row>
-  </v-container>
-</template>
-
-<script>
-export default {
-  name: 'HelloWorld',
-
-  data: () => ({
-    ecosystem: [
-      {
-        text: 'vuetify-loader',
-        href: 'https://github.com/vuetifyjs/vuetify-loader'
-      },
-      {
-        text: 'github',
-        href: 'https://github.com/vuetifyjs/vuetify'
-      },
-      {
-        text: 'awesome-vuetify',
-        href: 'https://github.com/vuetifyjs/awesome-vuetify'
-      }
-    ],
-    importantLinks: [
-      {
-        text: 'Documentation',
-        href: 'https://vuetifyjs.com'
-      },
-      {
-        text: 'Chat',
-        href: 'https://community.vuetifyjs.com'
-      },
-      {
-        text: 'Made with Vuetify',
-        href: 'https://madewithvuejs.com/vuetify'
-      },
-      {
-        text: 'Twitter',
-        href: 'https://twitter.com/vuetifyjs'
-      },
-      {
-        text: 'Articles',
-        href: 'https://medium.com/vuetify'
-      }
-    ],
-    whatsNext: [
-      {
-        text: 'Explore components',
-        href: 'https://vuetifyjs.com/components/api-explorer'
-      },
-      {
-        text: 'Select a layout',
-        href: 'https://vuetifyjs.com/getting-started/pre-made-layouts'
-      },
-      {
-        text: 'Frequently Asked Questions',
-        href: 'https://vuetifyjs.com/getting-started/frequently-asked-questions'
-      }
-    ]
-  })
-}
-</script>
diff --git a/src/routes/Player.vue b/src/components/Player.vue
similarity index 98%
rename from src/routes/Player.vue
rename to src/components/Player.vue
index 21b7f6e..4d752e2 100644
--- a/src/routes/Player.vue
+++ b/src/components/Player.vue
@@ -19,7 +19,9 @@
 <script>
 import muxjs from 'mux.js'
 import shaka from 'shaka-player/dist/shaka-player.ui.js'
-import('shaka-player/dist/controls.css')
+import 'shaka-player/dist/controls.css'
+import { DashUtils } from '@/tools/DashUtils'
+
 window.muxjs = muxjs
 
 export default {
@@ -65,7 +67,7 @@ export default {
       if (this.video.livestream) {
         uri = this.video.hls
       } else if (this.video.audioStreams.length > 0 && MseSupport) {
-        const dash = require('@/utils/DashUtils.js').default.generate_dash_file_from_formats(
+        const dash = DashUtils.generate_dash_file_from_formats(
           streams,
           this.video.duration
         )
diff --git a/src/routes/VideoItem.vue b/src/components/VideoItem.vue
similarity index 100%
rename from src/routes/VideoItem.vue
rename to src/components/VideoItem.vue
diff --git a/src/routes/VideoRedirect.vue b/src/components/VideoRedirect.vue
similarity index 100%
rename from src/routes/VideoRedirect.vue
rename to src/components/VideoRedirect.vue
diff --git a/src/router/index.js b/src/router/index.js
index ea8f44a..28fbeeb 100644
--- a/src/router/index.js
+++ b/src/router/index.js
@@ -59,7 +59,7 @@ const routes = [
   },
   {
     path: '/:videoId([a-zA-Z0-9_-]{11})',
-    component: () => import('@/routes/VideoRedirect')
+    component: () => import('@/components/VideoRedirect')
   }
 ]
 
diff --git a/src/routes/Channel.vue b/src/routes/Channel.vue
index 11da53d..e0c8510 100644
--- a/src/routes/Channel.vue
+++ b/src/routes/Channel.vue
@@ -1,7 +1,7 @@
 <template>
     <ErrorHandler v-if="channel && channel.error" :message="channel.message" :error="channel.error" />
 
-    <div v-if="channel" v-show="!channel.error">
+    <div v-else-if="channel" v-show="!channel.error">
         <h1 class="uk-text-center"><img height="48" width="48" v-bind:src="channel.avatarUrl" />{{ channel.name }}</h1>
         <img v-if="channel.bannerUrl" v-bind:src="channel.bannerUrl" style="width: 100%" loading="lazy" />
         <p style="white-space: pre-wrap">{{ channel.description }}</p>
@@ -31,7 +31,7 @@
 </template>
 
 <script>
-import ErrorHandler from '@/components/ErrorHandler.vue'
+import ErrorHandler from '@/components/ErrorHandler'
 import VideoItem from '@/components/VideoItem.vue'
 
 export default {
diff --git a/src/routes/ErrorHandler.vue b/src/routes/ErrorHandler.vue
deleted file mode 100644
index 40b4c8c..0000000
--- a/src/routes/ErrorHandler.vue
+++ /dev/null
@@ -1,16 +0,0 @@
-<template>
-    <p>{{ message }}</p>
-    <button uk-toggle="target: #stacktrace" class="uk-button uk-button-small" style="background: #222" type="button">
-        Show More
-    </button>
-    <p id="stacktrace" style="white-space: pre-wrap" hidden>{{ error }}</p>
-</template>
-
-<script>
-export default {
-  props: {
-    error: String,
-    message: String
-  }
-}
-</script>
diff --git a/src/routes/Preferences.vue b/src/routes/Preferences.vue
index 25872eb..6121271 100644
--- a/src/routes/Preferences.vue
+++ b/src/routes/Preferences.vue
@@ -112,7 +112,8 @@
 </template>
 
 <script>
-import CountryMap from '@/utils/CountryMap.js'
+import CountryMap from '@/tools/CountryMap'
+
 export default {
   data () {
     return {
diff --git a/src/tools/CountryMap.js b/src/tools/CountryMap.js
new file mode 100644
index 0000000..ff19230
--- /dev/null
+++ b/src/tools/CountryMap.js
@@ -0,0 +1,253 @@
+export default {
+  COUNTRIES: [
+    { code: 'AD', name: 'Andorra' },
+    { code: 'AE', name: 'United Arab Emirates' },
+    { code: 'AF', name: 'Afghanistan' },
+    { code: 'AG', name: 'Antigua And Barbuda' },
+    { code: 'AI', name: 'Anguilla' },
+    { code: 'AL', name: 'Albania' },
+    { code: 'AM', name: 'Armenia' },
+    { code: 'AO', name: 'Angola' },
+    { code: 'AQ', name: 'Antarctica' },
+    { code: 'AR', name: 'Argentina' },
+    { code: 'AS', name: 'American Samoa' },
+    { code: 'AT', name: 'Austria' },
+    { code: 'AU', name: 'Australia' },
+    { code: 'AW', name: 'Aruba' },
+    { code: 'AX', name: 'Aland Islands' },
+    { code: 'AZ', name: 'Azerbaijan' },
+    { code: 'BA', name: 'Bosnia And Herzegovina' },
+    { code: 'BB', name: 'Barbados' },
+    { code: 'BD', name: 'Bangladesh' },
+    { code: 'BE', name: 'Belgium' },
+    { code: 'BF', name: 'Burkina Faso' },
+    { code: 'BG', name: 'Bulgaria' },
+    { code: 'BH', name: 'Bahrain' },
+    { code: 'BI', name: 'Burundi' },
+    { code: 'BJ', name: 'Benin' },
+    { code: 'BL', name: 'Saint Barthelemy' },
+    { code: 'BM', name: 'Bermuda' },
+    { code: 'BN', name: 'Brunei Darussalam' },
+    { code: 'BO', name: 'Bolivia' },
+    { code: 'BQ', name: 'BQ' },
+    { code: 'BR', name: 'Brazil' },
+    { code: 'BS', name: 'Bahamas' },
+    { code: 'BT', name: 'Bhutan' },
+    { code: 'BV', name: 'Bouvet Island' },
+    { code: 'BW', name: 'Botswana' },
+    { code: 'BY', name: 'Belarus' },
+    { code: 'BZ', name: 'Belize' },
+    { code: 'CA', name: 'Canada' },
+    { code: 'CC', name: 'Cocos (Keeling) Islands' },
+    { code: 'CD', name: 'Congo, Democratic Republic' },
+    { code: 'CF', name: 'Central African Republic' },
+    { code: 'CG', name: 'Congo' },
+    { code: 'CH', name: 'Switzerland' },
+    { code: 'CI', name: "Cote D'Ivoire" },
+    { code: 'CK', name: 'Cook Islands' },
+    { code: 'CL', name: 'Chile' },
+    { code: 'CM', name: 'Cameroon' },
+    { code: 'CN', name: 'China' },
+    { code: 'CO', name: 'Colombia' },
+    { code: 'CR', name: 'Costa Rica' },
+    { code: 'CU', name: 'Cuba' },
+    { code: 'CV', name: 'Cape Verde' },
+    { code: 'CW', name: 'CW' },
+    { code: 'CX', name: 'Christmas Island' },
+    { code: 'CY', name: 'Cyprus' },
+    { code: 'CZ', name: 'Czech Republic' },
+    { code: 'DE', name: 'Germany' },
+    { code: 'DJ', name: 'Djibouti' },
+    { code: 'DK', name: 'Denmark' },
+    { code: 'DM', name: 'Dominica' },
+    { code: 'DO', name: 'Dominican Republic' },
+    { code: 'DZ', name: 'Algeria' },
+    { code: 'EC', name: 'Ecuador' },
+    { code: 'EE', name: 'Estonia' },
+    { code: 'EG', name: 'Egypt' },
+    { code: 'EH', name: 'Western Sahara' },
+    { code: 'ER', name: 'Eritrea' },
+    { code: 'ES', name: 'Spain' },
+    { code: 'ET', name: 'Ethiopia' },
+    { code: 'FI', name: 'Finland' },
+    { code: 'FJ', name: 'Fiji' },
+    { code: 'FK', name: 'Falkland Islands (Malvinas)' },
+    { code: 'FM', name: 'Micronesia, Federated States Of' },
+    { code: 'FO', name: 'Faroe Islands' },
+    { code: 'FR', name: 'France' },
+    { code: 'GA', name: 'Gabon' },
+    { code: 'GB', name: 'United Kingdom' },
+    { code: 'GD', name: 'Grenada' },
+    { code: 'GE', name: 'Georgia' },
+    { code: 'GF', name: 'French Guiana' },
+    { code: 'GG', name: 'Guernsey' },
+    { code: 'GH', name: 'Ghana' },
+    { code: 'GI', name: 'Gibraltar' },
+    { code: 'GL', name: 'Greenland' },
+    { code: 'GM', name: 'Gambia' },
+    { code: 'GN', name: 'Guinea' },
+    { code: 'GP', name: 'Guadeloupe' },
+    { code: 'GQ', name: 'Equatorial Guinea' },
+    { code: 'GR', name: 'Greece' },
+    { code: 'GS', name: 'South Georgia And Sandwich Isl.' },
+    { code: 'GT', name: 'Guatemala' },
+    { code: 'GU', name: 'Guam' },
+    { code: 'GW', name: 'Guinea-Bissau' },
+    { code: 'GY', name: 'Guyana' },
+    { code: 'HK', name: 'Hong Kong' },
+    { code: 'HM', name: 'Heard Island & Mcdonald Islands' },
+    { code: 'HN', name: 'Honduras' },
+    { code: 'HR', name: 'Croatia' },
+    { code: 'HT', name: 'Haiti' },
+    { code: 'HU', name: 'Hungary' },
+    { code: 'ID', name: 'Indonesia' },
+    { code: 'IE', name: 'Ireland' },
+    { code: 'IL', name: 'Israel' },
+    { code: 'IM', name: 'Isle Of Man' },
+    { code: 'IN', name: 'India' },
+    { code: 'IO', name: 'British Indian Ocean Territory' },
+    { code: 'IQ', name: 'Iraq' },
+    { code: 'IR', name: 'Iran, Islamic Republic Of' },
+    { code: 'IS', name: 'Iceland' },
+    { code: 'IT', name: 'Italy' },
+    { code: 'JE', name: 'Jersey' },
+    { code: 'JM', name: 'Jamaica' },
+    { code: 'JO', name: 'Jordan' },
+    { code: 'JP', name: 'Japan' },
+    { code: 'KE', name: 'Kenya' },
+    { code: 'KG', name: 'Kyrgyzstan' },
+    { code: 'KH', name: 'Cambodia' },
+    { code: 'KI', name: 'Kiribati' },
+    { code: 'KM', name: 'Comoros' },
+    { code: 'KN', name: 'Saint Kitts And Nevis' },
+    { code: 'KP', name: 'KP' },
+    { code: 'KR', name: 'Korea' },
+    { code: 'KW', name: 'Kuwait' },
+    { code: 'KY', name: 'Cayman Islands' },
+    { code: 'KZ', name: 'Kazakhstan' },
+    { code: 'LA', name: "Lao People's Democratic Republic" },
+    { code: 'LB', name: 'Lebanon' },
+    { code: 'LC', name: 'Saint Lucia' },
+    { code: 'LI', name: 'Liechtenstein' },
+    { code: 'LK', name: 'Sri Lanka' },
+    { code: 'LR', name: 'Liberia' },
+    { code: 'LS', name: 'Lesotho' },
+    { code: 'LT', name: 'Lithuania' },
+    { code: 'LU', name: 'Luxembourg' },
+    { code: 'LV', name: 'Latvia' },
+    { code: 'LY', name: 'Libyan Arab Jamahiriya' },
+    { code: 'MA', name: 'Morocco' },
+    { code: 'MC', name: 'Monaco' },
+    { code: 'MD', name: 'Moldova' },
+    { code: 'ME', name: 'Montenegro' },
+    { code: 'MF', name: 'Saint Martin' },
+    { code: 'MG', name: 'Madagascar' },
+    { code: 'MH', name: 'Marshall Islands' },
+    { code: 'MK', name: 'Macedonia' },
+    { code: 'ML', name: 'Mali' },
+    { code: 'MM', name: 'Myanmar' },
+    { code: 'MN', name: 'Mongolia' },
+    { code: 'MO', name: 'Macao' },
+    { code: 'MP', name: 'Northern Mariana Islands' },
+    { code: 'MQ', name: 'Martinique' },
+    { code: 'MR', name: 'Mauritania' },
+    { code: 'MS', name: 'Montserrat' },
+    { code: 'MT', name: 'Malta' },
+    { code: 'MU', name: 'Mauritius' },
+    { code: 'MV', name: 'Maldives' },
+    { code: 'MW', name: 'Malawi' },
+    { code: 'MX', name: 'Mexico' },
+    { code: 'MY', name: 'Malaysia' },
+    { code: 'MZ', name: 'Mozambique' },
+    { code: 'NA', name: 'Namibia' },
+    { code: 'NC', name: 'New Caledonia' },
+    { code: 'NE', name: 'Niger' },
+    { code: 'NF', name: 'Norfolk Island' },
+    { code: 'NG', name: 'Nigeria' },
+    { code: 'NI', name: 'Nicaragua' },
+    { code: 'NL', name: 'Netherlands' },
+    { code: 'NO', name: 'Norway' },
+    { code: 'NP', name: 'Nepal' },
+    { code: 'NR', name: 'Nauru' },
+    { code: 'NU', name: 'Niue' },
+    { code: 'NZ', name: 'New Zealand' },
+    { code: 'OM', name: 'Oman' },
+    { code: 'PA', name: 'Panama' },
+    { code: 'PE', name: 'Peru' },
+    { code: 'PF', name: 'French Polynesia' },
+    { code: 'PG', name: 'Papua New Guinea' },
+    { code: 'PH', name: 'Philippines' },
+    { code: 'PK', name: 'Pakistan' },
+    { code: 'PL', name: 'Poland' },
+    { code: 'PM', name: 'Saint Pierre And Miquelon' },
+    { code: 'PN', name: 'Pitcairn' },
+    { code: 'PR', name: 'Puerto Rico' },
+    { code: 'PS', name: 'Palestinian Territory, Occupied' },
+    { code: 'PT', name: 'Portugal' },
+    { code: 'PW', name: 'Palau' },
+    { code: 'PY', name: 'Paraguay' },
+    { code: 'QA', name: 'Qatar' },
+    { code: 'RE', name: 'Reunion' },
+    { code: 'RO', name: 'Romania' },
+    { code: 'RS', name: 'Serbia' },
+    { code: 'RU', name: 'Russian Federation' },
+    { code: 'RW', name: 'Rwanda' },
+    { code: 'SA', name: 'Saudi Arabia' },
+    { code: 'SB', name: 'Solomon Islands' },
+    { code: 'SC', name: 'Seychelles' },
+    { code: 'SD', name: 'Sudan' },
+    { code: 'SE', name: 'Sweden' },
+    { code: 'SG', name: 'Singapore' },
+    { code: 'SH', name: 'Saint Helena' },
+    { code: 'SI', name: 'Slovenia' },
+    { code: 'SJ', name: 'Svalbard And Jan Mayen' },
+    { code: 'SK', name: 'Slovakia' },
+    { code: 'SL', name: 'Sierra Leone' },
+    { code: 'SM', name: 'San Marino' },
+    { code: 'SN', name: 'Senegal' },
+    { code: 'SO', name: 'Somalia' },
+    { code: 'SR', name: 'Suriname' },
+    { code: 'SS', name: 'SS' },
+    { code: 'ST', name: 'Sao Tome And Principe' },
+    { code: 'SV', name: 'El Salvador' },
+    { code: 'SX', name: 'SX' },
+    { code: 'SY', name: 'Syrian Arab Republic' },
+    { code: 'SZ', name: 'Swaziland' },
+    { code: 'TC', name: 'Turks And Caicos Islands' },
+    { code: 'TD', name: 'Chad' },
+    { code: 'TF', name: 'French Southern Territories' },
+    { code: 'TG', name: 'Togo' },
+    { code: 'TH', name: 'Thailand' },
+    { code: 'TJ', name: 'Tajikistan' },
+    { code: 'TK', name: 'Tokelau' },
+    { code: 'TL', name: 'Timor-Leste' },
+    { code: 'TM', name: 'Turkmenistan' },
+    { code: 'TN', name: 'Tunisia' },
+    { code: 'TO', name: 'Tonga' },
+    { code: 'TR', name: 'Turkey' },
+    { code: 'TT', name: 'Trinidad And Tobago' },
+    { code: 'TV', name: 'Tuvalu' },
+    { code: 'TW', name: 'Taiwan' },
+    { code: 'TZ', name: 'Tanzania' },
+    { code: 'UA', name: 'Ukraine' },
+    { code: 'UG', name: 'Uganda' },
+    { code: 'UM', name: 'United States Outlying Islands' },
+    { code: 'US', name: 'United States' },
+    { code: 'UY', name: 'Uruguay' },
+    { code: 'UZ', name: 'Uzbekistan' },
+    { code: 'VA', name: 'Holy See (Vatican City State)' },
+    { code: 'VC', name: 'Saint Vincent And Grenadines' },
+    { code: 'VE', name: 'Venezuela' },
+    { code: 'VG', name: 'Virgin Islands, British' },
+    { code: 'VI', name: 'Virgin Islands, U.S.' },
+    { code: 'VN', name: 'Viet Nam' },
+    { code: 'VU', name: 'Vanuatu' },
+    { code: 'WF', name: 'Wallis And Futuna' },
+    { code: 'WS', name: 'Samoa' },
+    { code: 'YE', name: 'Yemen' },
+    { code: 'YT', name: 'Mayotte' },
+    { code: 'ZA', name: 'South Africa' },
+    { code: 'ZM', name: 'Zambia' },
+    { code: 'ZW', name: 'Zimbabwe' }
+  ]
+}
diff --git a/src/tools/DashUtils.js b/src/tools/DashUtils.js
new file mode 100644
index 0000000..fdc1f86
--- /dev/null
+++ b/src/tools/DashUtils.js
@@ -0,0 +1,190 @@
+// Based of https://github.com/GilgusMaximus/yt-dash-manifest-generator/blob/master/src/DashGenerator.js
+
+import xml from 'xml-js'
+
+const DashUtils = {
+  generate_dash_file_from_formats (VideoFormats, VideoLength) {
+    const generatedJSON = this.generate_xmljs_json_from_data(VideoFormats, VideoLength)
+    return xml.json2xml(generatedJSON)
+  },
+  generate_xmljs_json_from_data (VideoFormatArray, VideoLength) {
+    const convertJSON = {
+      declaration: {
+        attributes: {
+          version: '1.0',
+          encoding: 'utf-8'
+        }
+      },
+      elements: [
+        {
+          type: 'element',
+          name: 'MPD',
+          attributes: {
+            xmlns: 'urn:mpeg:dash:schema:mpd:2011',
+            profiles: 'urn:mpeg:dash:profile:full:2011',
+            minBufferTime: 'PT1.5S',
+            type: 'static',
+            mediaPresentationDuration: `PT${VideoLength}S`
+          },
+          elements: [
+            {
+              type: 'element',
+              name: 'Period',
+              elements: this.generate_adaptation_set(VideoFormatArray)
+            }
+          ]
+        }
+      ]
+    }
+    return convertJSON
+  },
+  generate_adaptation_set (VideoFormatArray) {
+    const adaptationSets = []
+    const mimeTypes = []
+    const mimeObjects = [[]]
+    // sort the formats by mime types
+    VideoFormatArray.forEach(videoFormat => {
+      // the dual formats should not be used
+      if (videoFormat.mimeType.indexOf('video') !== -1 && !videoFormat.videoOnly) {
+        return
+      }
+      // if these properties are not available, then we skip it because we cannot set these properties
+      // if (!(videoFormat.hasOwnProperty('initRange') && videoFormat.hasOwnProperty('indexRange'))) {
+      //   return
+      // }
+      const mimeType = videoFormat.mimeType
+      const mimeTypeIndex = mimeTypes.indexOf(mimeType)
+      if (mimeTypeIndex > -1) {
+        mimeObjects[mimeTypeIndex].push(videoFormat)
+      } else {
+        mimeTypes.push(mimeType)
+        mimeObjects.push([])
+        mimeObjects[mimeTypes.length - 1].push(videoFormat)
+      }
+    })
+    // for each MimeType generate a new Adaptation set with Representations as sub elements
+    for (let i = 0; i < mimeTypes.length; i++) {
+      let isVideoFormat = false
+      const adapSet = {
+        type: 'element',
+        name: 'AdaptationSet',
+        attributes: {
+          id: i,
+          mimeType: mimeTypes[i],
+          startWithSAP: '1',
+          subsegmentAlignment: 'true'
+        },
+        elements: []
+      }
+      if (!mimeTypes[i].includes('audio')) {
+        adapSet.attributes.scanType = 'progressive'
+        isVideoFormat = true
+      }
+      mimeObjects[i].forEach(format => {
+        if (isVideoFormat) {
+          adapSet.elements.push(this.generate_representation_video(format))
+        } else {
+          adapSet.elements.push(this.generate_representation_audio(format))
+        }
+      })
+      adaptationSets.push(adapSet)
+    }
+    return adaptationSets
+  },
+  generate_representation_audio (Format) {
+    const representation = {
+      type: 'element',
+      name: 'Representation',
+      attributes: {
+        id: Format.itag,
+        codecs: Format.codec,
+        bandwidth: Format.bitrate
+      },
+      elements: [
+        {
+          type: 'element',
+          name: 'AudioChannelConfiguration',
+          attributes: {
+            schemeIdUri: 'urn:mpeg:dash:23003:3:audio_channel_configuration:2011',
+            value: '2'
+          }
+        },
+        {
+          type: 'element',
+          name: 'BaseURL',
+          elements: [
+            {
+              type: 'text',
+              text: Format.url
+            }
+          ]
+        },
+        {
+          type: 'element',
+          name: 'SegmentBase',
+          attributes: {
+            indexRange: `${Format.indexStart}-${Format.indexEnd}`
+          },
+          elements: [
+            {
+              type: 'element',
+              name: 'Initialization',
+              attributes: {
+                range: `${Format.initStart}-${Format.initEnd}`
+              }
+            }
+          ]
+        }
+      ]
+    }
+    return representation
+  },
+  generate_representation_video (Format) {
+    const representation = {
+      type: 'element',
+      name: 'Representation',
+      attributes: {
+        id: Format.itag,
+        codecs: Format.codec,
+        bandwidth: Format.bitrate,
+        width: Format.width,
+        height: Format.height,
+        maxPlayoutRate: '1',
+        frameRate: Format.fps
+      },
+      elements: [
+        {
+          type: 'element',
+          name: 'BaseURL',
+          elements: [
+            {
+              type: 'text',
+              text: Format.url
+            }
+          ]
+        },
+        {
+          type: 'element',
+          name: 'SegmentBase',
+          attributes: {
+            indexRange: `${Format.indexStart}-${Format.indexEnd}`
+          },
+          elements: [
+            {
+              type: 'element',
+              name: 'Initialization',
+              attributes: {
+                range: `${Format.initStart}-${Format.initEnd}`
+              }
+            }
+          ]
+        }
+      ]
+    }
+    return representation
+  }
+}
+
+export {
+  DashUtils
+}
diff --git a/yarn.lock b/yarn.lock
index c1d4a19..263c1cb 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -864,7 +864,7 @@
     "@babel/types" "^7.4.4"
     esutils "^2.0.2"
 
-"@babel/runtime@^7.11.0", "@babel/runtime@^7.8.4":
+"@babel/runtime@^7.11.0", "@babel/runtime@^7.11.2", "@babel/runtime@^7.8.4":
   version "7.14.6"
   resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.14.6.tgz#535203bc0892efc7dec60bdc27b2ecf6e409062d"
   integrity sha512-/PCB2uJ7oM44tz8YhC4Z/6PeOKXp4K588f+5M3clr1M4zbqztlo0XEfJ2LEzj/FgwfgGcIdl8n7YYjTCI0BYwg==
@@ -3466,6 +3466,11 @@ elliptic@^6.5.3:
     minimalistic-assert "^1.0.1"
     minimalistic-crypto-utils "^1.0.1"
 
+eme-encryption-scheme-polyfill@^2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/eme-encryption-scheme-polyfill/-/eme-encryption-scheme-polyfill-2.0.3.tgz#2ca6e06480e06cceb5e50efd27943ac46c959878"
+  integrity sha512-44CNFMsqzHdKHrzWxlS7xZ8KUHn5XutBqpmCuWzNIynmAyFInHrrD3ozv/RvK9ZhgV6QY6Easx8EWAmxteNodg==
+
 emoji-regex@^7.0.1:
   version "7.0.3"
   resolved "https://registry.yarnpkg.com/emoji-regex/-/emoji-regex-7.0.3.tgz#933a04052860c85e83c122479c4748a8e4c72156"
@@ -4640,6 +4645,11 @@ hosted-git-info@^2.1.4:
   resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.8.9.tgz#dffc0bf9a21c02209090f2aa69429e1414daf3f9"
   integrity sha512-mxIDAb9Lsm6DoOJ7xH+5+X4y1LU/4Hi50L9C5sIswK3JzULS4bwk1FvjdBgvYR4bzT4tuUQiC15FE2f5HbLvYw==
 
+hotkeys-js@^3.8.7:
+  version "3.8.7"
+  resolved "https://registry.yarnpkg.com/hotkeys-js/-/hotkeys-js-3.8.7.tgz#c16cab978b53d7242f860ca3932e976b92399981"
+  integrity sha512-ckAx3EkUr5XjDwjEHDorHxRO2Kb7z6Z2Sxul4MbBkN8Nho7XDslQsgMJT+CiJ5Z4TgRxxvKHEpuLE3imzqy4Lg==
+
 hpack.js@^2.1.6:
   version "2.1.6"
   resolved "https://registry.yarnpkg.com/hpack.js/-/hpack.js-2.1.6.tgz#87774c0949e513f42e84575b3c45681fade2a0b2"
@@ -6050,6 +6060,13 @@ mute-stream@0.0.8:
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.8.tgz#1630c42b2251ff81e2a283de96a5497ea92e5e0d"
   integrity sha512-nnbWWOkoWyUsTjKrhgD0dcz22mdkSnpYqbEjIm2nhwhuxlSkpywJmBo8h0ZqJdkp73mb90SssHkN4rsRaBAfAA==
 
+mux.js@^5.12.2:
+  version "5.12.2"
+  resolved "https://registry.yarnpkg.com/mux.js/-/mux.js-5.12.2.tgz#cd823312f4bb69adb8b9c5f45635b4451066d6e6"
+  integrity sha512-9OY1lrFIo7FxMeIC6aLUftiNv97AztufDfi30N7qDll1Pcy7bCxlHztyHp1Ce0KQwy2XqchGeENPS4v1NJngHQ==
+  dependencies:
+    "@babel/runtime" "^7.11.2"
+
 mz@^2.4.0:
   version "2.7.0"
   resolved "https://registry.yarnpkg.com/mz/-/mz-2.7.0.tgz#95008057a56cafadc2bc63dde7f9ff6955948e32"
@@ -7684,7 +7701,7 @@ sass@~1.32.0:
   dependencies:
     chokidar ">=3.0.0 <4.0.0"
 
-sax@~1.2.4:
+sax@^1.2.4, sax@~1.2.4:
   version "1.2.4"
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.4.tgz#2816234e2378bddc4e5354fab5caa895df7100d9"
   integrity sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw==
@@ -7842,6 +7859,13 @@ sha.js@^2.4.0, sha.js@^2.4.8:
     inherits "^2.0.1"
     safe-buffer "^5.0.1"
 
+shaka-player@^3.2.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/shaka-player/-/shaka-player-3.2.0.tgz#612c61b0a05aed8173c8fb55161eb05f61309955"
+  integrity sha512-JwFYNB+jgXKIwukncYEnU3wqR/ScyxpPNkSVUgT4Qxt4uPOkEBwPuZr9cpeqBUMQi6lXpBVTztC76AooPOpZ5g==
+  dependencies:
+    eme-encryption-scheme-polyfill "^2.0.3"
+
 shebang-command@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/shebang-command/-/shebang-command-1.2.0.tgz#44aac65b695b03398968c39f363fee5deafdf1ea"
@@ -9221,6 +9245,13 @@ ws@^6.0.0, ws@^6.2.1:
   dependencies:
     async-limiter "~1.0.0"
 
+xml-js@^1.6.11:
+  version "1.6.11"
+  resolved "https://registry.yarnpkg.com/xml-js/-/xml-js-1.6.11.tgz#927d2f6947f7f1c19a316dd8eea3614e8b18f8e9"
+  integrity sha512-7rVi2KMfwfWFl+GpPg6m80IVMWXLRjO+PxTq7V2CDhoGak0wzYzFgUY2m4XJ47OGdXd8eLE8EmwfAmdjw7lC1g==
+  dependencies:
+    sax "^1.2.4"
+
 xtend@^4.0.0, xtend@~4.0.1:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.2.tgz#bb72779f5fa465186b1f438f674fa347fdb5db54"