From a3d3d97b3b73bc1650264bc61dd9f7a796e5df75 Mon Sep 17 00:00:00 2001
From: Harvey Tindall <harveyltindall@gmail.com>
Date: Mon, 6 Jul 2020 20:53:14 +0100
Subject: [PATCH] Added theme toggle to Admin page

The admin can switch between the two default themes without a page
reload, with a nice animation (on small screens). Preference is stored
as a cookie, so the default theme setting will still apply to others.
---
 config-default.ini                          |   6 +-
 jellyfin_accounts/__init__.py               |   4 +-
 jellyfin_accounts/data/config-base.json     |   4 +-
 jellyfin_accounts/data/templates/admin.html |  61 +++++++++++-
 jellyfin_accounts/data/templates/admin.js   | 100 ++++++++++++++++++--
 jellyfin_accounts/web.py                    |  14 ++-
 pyproject.toml                              |   2 +-
 7 files changed, 165 insertions(+), 26 deletions(-)

diff --git a/config-default.ini b/config-default.ini
index 33271ef..4daf69f 100644
--- a/config-default.ini
+++ b/config-default.ini
@@ -9,13 +9,13 @@ server = http://jellyfin.local:8096
 public_server = https://jellyf.in:443
 ; this and below settings will show on the jellyfin dashboard when the program connects. you may as well leave them alone.
 client = jf-accounts
-version = 0.3.0
+version = 0.3.2
 device = jf-accounts
-device_id = jf-accounts-0.3.0
+device_id = jf-accounts-0.3.2
 
 [ui]
 ; settings related to the ui and program functionality.
-; choose the look of jellyfin-accounts.
+; default appearance for all users.
 theme = Jellyfin (Dark)
 ; set 0.0.0.0 to run on localhost
 host = 0.0.0.0
diff --git a/jellyfin_accounts/__init__.py b/jellyfin_accounts/__init__.py
index 4ae7053..4c23d6d 100755
--- a/jellyfin_accounts/__init__.py
+++ b/jellyfin_accounts/__init__.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-__version__ = "0.3.2"
+__version__ = "0.3.3"
 
 import secrets
 import configparser
@@ -218,7 +218,7 @@ elif "Custom" in current_theme and "custom_css" in config["files"]:
         try:
             css_path = Path(config["files"]["custom_css"])
             shutil.copy(css_path, (local_dir / "static" / css_path.name))
-            log.debug('Loaded custom CSS "{css_path.name}"')
+            log.debug(f'Loaded custom CSS "{css_path.name}"')
             css_file = css_path.name
         except FileNotFoundError:
             log.error(
diff --git a/jellyfin_accounts/data/config-base.json b/jellyfin_accounts/data/config-base.json
index 3b26383..af11e87 100644
--- a/jellyfin_accounts/data/config-base.json
+++ b/jellyfin_accounts/data/config-base.json
@@ -71,7 +71,7 @@
             "description": "Settings related to the UI and program functionality."
         },
         "theme": {
-            "name": "Look",
+            "name": "Default Look",
             "required": false,
             "requires_restart": true,
             "type": "select",
@@ -81,7 +81,7 @@
                 "Custom CSS"
             ],
             "value": "Jellyfin (Dark)",
-            "description": "Choose the look of jellyfin-accounts."
+            "description": "Default appearance for all users."
         },
         "host": {
             "name": "Address",
diff --git a/jellyfin_accounts/data/templates/admin.html b/jellyfin_accounts/data/templates/admin.html
index e94f7c5..c0f1aa1 100644
--- a/jellyfin_accounts/data/templates/admin.html
+++ b/jellyfin_accounts/data/templates/admin.html
@@ -14,7 +14,39 @@
         <meta name="theme-color" content="#ffffff">
         <!-- Bootstrap CSS -->
         
-        <link rel="stylesheet" type="text/css" href="{{ css_file }}">
+        <script>
+            function getCookie(cname) {
+                var name = cname + "=";
+                var decodedCookie = decodeURIComponent(document.cookie);
+                var ca = decodedCookie.split(';');
+                for(var i = 0; i < ca.length; i++) {
+                    var c = ca[i];
+                    while (c.charAt(0) == ' ') {
+                        c = c.substring(1);
+                    }
+                    if (c.indexOf(name) == 0) {
+                        return c.substring(name.length, c.length);
+                    } 
+                }
+                return "";
+            };
+            {% if bs5 %}
+            var bsVersion = 5;
+            {% else %}
+            var bsVersion = 4;
+            {% endif %}
+            var css = document.createElement('link');
+            css.setAttribute('rel', 'stylesheet');
+            css.setAttribute('type', 'text/css');
+            var cssCookie = getCookie("css");
+            if (cssCookie.includes('bs' + bsVersion)) {
+                css.setAttribute('href', cssCookie);
+            } else {
+                css.setAttribute('href', '{{ css_file }}');
+            };
+            document.head.appendChild(css);
+                // document.querySelectorAll('link[rel="stylesheet"][type="text/css"]')[0].href = cssCookie;
+        </script>
         {% if not bs5 %}
         <script src="https://code.jquery.com/jquery-3.5.1.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj" crossorigin="anonymous"></script>
         {% endif %}
@@ -53,10 +85,27 @@
                 margin-top: 5%;
                 color: grey;
             }
+            .circle {
+                /*margin-left: 1rem;
+                width: 1rem;
+                height: 1rem;
+                border-radius: 50%;
+                z-index: 5000;*/
+                -webkit-transition: all 300ms cubic-bezier(0.550, 0.055, 0.675, 0.190);
+           -moz-transition: all 300ms cubic-bezier(0.550, 0.055, 0.675, 0.190);
+             -o-transition: all 300ms cubic-bezier(0.550, 0.055, 0.675, 0.190);
+                transition: all 300ms cubic-bezier(0.550, 0.055, 0.675, 0.190); /* easeInCubic */
+            }
+            .smooth-transition {
+                -webkit-transition: all 300ms cubic-bezier(0.550, 0.055, 0.675, 0.190);
+           -moz-transition: all 300ms cubic-bezier(0.550, 0.055, 0.675, 0.190);
+             -o-transition: all 300ms cubic-bezier(0.550, 0.055, 0.675, 0.190);
+                transition: all 300ms cubic-bezier(0.550, 0.055, 0.675, 0.190); /* easeInCubic */
+            }
         </style>
         <title>Admin</title>
     </head>
-    <body>
+    <body class="smooth-transition">
         <div class="modal fade" id="login" role="dialog" aria-labelledby="login" aria-hidden="true" data-backdrop="static">
             <div class="modal-dialog modal-dialog-centered" role="document">
                 <div class="modal-content">
@@ -171,9 +220,11 @@
             <h1>
                 Accounts admin
             </h1>
-            <button type="button" class="btn btn-secondary" id="openSettings">
-                Settings <i class="fa fa-cog"></i>
-            </button>
+            <div class="btn-group" role="group" id="headerButtons">
+                <button type="button" class="btn btn-primary" id="openSettings">
+                    Settings <i class="fa fa-cog"></i>
+                </button>
+            </div>
             <div class="card mb-3 linkGroup">
                 <div class="card-header">Current Invites</div>
                 <ul class="list-group list-group-flush" id="invites">
diff --git a/jellyfin_accounts/data/templates/admin.js b/jellyfin_accounts/data/templates/admin.js
index c1ce4df..9326c4e 100644
--- a/jellyfin_accounts/data/templates/admin.js
+++ b/jellyfin_accounts/data/templates/admin.js
@@ -1,5 +1,96 @@
-var bsVersion = {{ bsVersion }};
+function getCookie(cname) {
+    var name = cname + "=";
+    var decodedCookie = decodeURIComponent(document.cookie);
+    var ca = decodedCookie.split(';');
+    for(var i = 0; i <ca.length; i++) {
+        var c = ca[i];
+        while (c.charAt(0) == ' ') {
+            c = c.substring(1);
+        }
+        if (c.indexOf(name) == 0) {
+            return c.substring(name.length, c.length);
+        } 
+    }
+    return "";
+}
+function whichTransitionEvent(){
+    var t;
+    var el = document.createElement('fakeelement');
+    var transitions = {
+      'transition':'transitionend',
+      'OTransition':'oTransitionEnd',
+      'MozTransition':'transitionend',
+      'WebkitTransition':'webkitTransitionEnd'
+    };
 
+    for(t in transitions){
+        if( el.style[t] !== undefined ){
+            return transitions[t];
+        };
+    };
+};
+function toggleCSS() {
+    var cssEl = document.querySelectorAll('link[rel="stylesheet"][type="text/css"]')[0];
+    if (cssEl.href.includes("bs" + bsVersion + "-jf")) {
+        var href = "bs" + bsVersion + ".css";
+    } else {
+        var href = "bs" + bsVersion + "-jf.css";
+    };
+    cssEl.href = href;
+    document.cookie = "css=" + href;
+};
+var buttonWidth = 0;
+var inTransition = false;
+function toggleCSSAnim(el) {
+    var switchToColor = window.getComputedStyle(document.body, null).backgroundColor;
+    if (window.innerWidth < 1500) { 
+        var radius = Math.sqrt(Math.pow(window.innerWidth, 2) + Math.pow(window.innerHeight, 2));
+        var currentRadius = el.getBoundingClientRect().width / 2;
+        var scale = radius / currentRadius;
+        buttonWidth = window.getComputedStyle(el, null).width;
+        document.body.classList.remove('smooth-transition');
+        el.style.transform = 'scale(' + scale + ')';
+        el.style.color = switchToColor;
+        var transitionEnd = whichTransitionEvent();
+        el.addEventListener(transitionEnd, function() {
+            if (this.style.transform.length != 0) {
+                toggleCSS();
+                this.style.removeProperty('transform');
+                document.body.classList.add('smooth-transition');
+            };
+        }, false);
+    } else {
+        toggleCSS();
+        el.style.color = switchToColor;
+    };
+};
+var cssFile = "{{ css_file }}";
+var buttonColor = 'custom';
+if (cssFile.includes('jf')) {
+    buttonColor = 'rgb(255,255,255)';
+} else if (cssFile.length == 7) {
+    buttonColor = 'rgb(16,16,16)';
+}
+if (buttonColor != 'custom') {
+    var fakeButton = document.createElement('i');
+    fakeButton.classList.add('fa', 'fa-circle', 'circle');
+    // fakeButton.style.color = buttonColor;
+    // fakeButton.style.marginLeft = '2rem;'
+    fakeButton.style = 'color: ' + buttonColor + '; margin-left: 0.4rem;';
+    fakeButton.id = 'fakeButton';
+    var switchButton = document.createElement('button');
+    switchButton.classList.add('btn', 'btn-secondary');
+    switchButton.textContent = 'Theme';
+    switchButton.onclick = function() {
+        var fb = document.getElementById('fakeButton')
+        toggleCSSAnim(fb); 
+    };
+    var group = document.getElementById('headerButtons');
+    switchButton.appendChild(fakeButton);
+    group.appendChild(switchButton);
+};
+
+var bsVersion = {{ bsVersion }};
 if (bsVersion == 5) {
     function createModal(id, find = false) {
         if (find) {
@@ -22,13 +113,6 @@ if (bsVersion == 5) {
             });
         });
     };
-
-
-//     var loginModal = new bootstrap.Modal(document.getElementById('login'));
-//     var settingsModal = new bootstrap.Modal(document.getElementById('settingsMenu'));
-//     var userDefaultsModal = new bootstrap.Modal(document.getElementById('userDefaults'));
-//     var usersModal = new bootstrap.Modal(document.getElementById('users'));
-//     var restartModal = new bootstrap.Modal(document.getElementById('restartModal'));
 } else if (bsVersion == 4) {
     document.getElementById('send_to_address_enabled').classList.remove('form-check-input');
     function createModal(id, find = false) {
diff --git a/jellyfin_accounts/web.py b/jellyfin_accounts/web.py
index f8f5ea2..63a14b3 100644
--- a/jellyfin_accounts/web.py
+++ b/jellyfin_accounts/web.py
@@ -6,6 +6,12 @@ from jellyfin_accounts import web_log as log
 from jellyfin_accounts.web_api import config, checkInvite, validator
 
 
+if config.getboolean("ui", "bs5"):
+    bsVersion = 5
+else:
+    bsVersion = 4
+
+
 @app.errorhandler(404)
 def page_not_found(e):
     return (
@@ -35,12 +41,10 @@ def admin():
 def static_proxy(path):
     if "html" not in path:
         if "admin.js" in path:
-            if config.getboolean("ui", "bs5"):
-                bsVersion = 5
-            else:
-                bsVersion = 4
             return (
-                render_template("admin.js", bsVersion=bsVersion),
+                render_template("admin.js",
+                                bsVersion=bsVersion,
+                                css_file=css_file),
                 200,
                 {"Content-Type": "text/javascript"},
             )
diff --git a/pyproject.toml b/pyproject.toml
index b7bef46..9a115f0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "jellyfin-accounts"
-version = "0.3.2"
+version = "0.3.3"
 readme = "README.md"
 description = "A simple account management system for Jellyfin"
 authors = ["Harvey Tindall <harveyltindall@gmail.com>"]