theme and camera cookie

templates/index.html

@@ -872,18 +872,25 @@
             try {
                 const devices = await Html5Qrcode.getCameras();
                 const select = document.getElementById('camera-select');
-                select.innerHTML = ''; // Clear "loading" message
+                select.innerHTML = '';
 
                 if (devices && devices.length) {
                     devices.forEach((device, index) => {
                         const option = document.createElement('option');
                         option.value = device.id;
+                        // Store the index in a data attribute for easier retrieval later
+                        option.dataset.index = index;
                         option.text = device.label || `Cámara ${index + 1}`;
                         select.appendChild(option);
                     });
 
-                    // Default to the last camera (often the main back camera on mobile)
+                    // Retrieve saved index or default to the last camera
-                    currentCameraId = devices[devices.length - 1].id;
+                    const savedIndex = getCookie('cameraIndex');
+                    const targetIndex = (savedIndex !== null && savedIndex < devices.length)
+                        ? savedIndex
+                        : devices.length - 1;
+
+                    currentCameraId = devices[targetIndex].id;
                     select.value = currentCameraId;
 
                     launchCamera(currentCameraId);
@@ -924,6 +931,14 @@
 
         function switchCamera(cameraId) {
             if (cameraId) {
+                const select = document.getElementById('camera-select');
+                const selectedOption = select.options[select.selectedIndex];
+
+                // Save the index of the selected camera to a cookie
+                if (selectedOption && selectedOption.dataset.index !== undefined) {
+                    setCookie('cameraIndex', selectedOption.dataset.index, 365);
+                }
+
                 currentCameraId = cameraId;
                 launchCamera(cameraId);
             }
@@ -936,6 +951,69 @@
                 }).catch(err => console.error("Error stopping scanner", err));
             }
         }
+
+        /* ── Theme Management ── */
+
+        // Helper to set a cookie
+        function setCookie(name, value, days = 365) {
+            const d = new Date();
+            d.setTime(d.getTime() + (days * 24 * 60 * 60 * 1000));
+            let expires = "expires=" + d.toUTCString();
+            document.cookie = name + "=" + value + ";" + expires + ";path=/;SameSite=Lax";
+        }
+
+        // Helper to get a cookie
+        function getCookie(name) {
+            let nameEQ = name + "=";
+            let ca = document.cookie.split(';');
+            for (let i = 0; i < ca.length; i++) {
+                let c = ca[i];
+                while (c.charAt(0) == ' ') c = c.substring(1, c.length);
+                if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
+            }
+            return null;
+        }
+
+        function applyTheme(t) {
+            document.documentElement.setAttribute('data-theme', t);
+            const isDark = t === 'dark';
+            const themeIcon = document.getElementById('theme-icon');
+            const themeLabel = document.getElementById('theme-label');
+
+            if (themeIcon) themeIcon.className = isDark ? 'bi bi-sun me-2' : 'bi bi-moon-stars me-2';
+            if (themeLabel) themeLabel.innerText = isDark ? 'Modo Claro' : 'Modo Oscuro';
+
+            setCookie('theme', t);
+        }
+
+        function toggleTheme() {
+            const current = document.documentElement.getAttribute('data-theme');
+            const next = current === 'dark' ? 'light' : 'dark';
+            applyTheme(next);
+        }
+
+        // Initialization Logic
+        function initTheme() {
+            const savedTheme = getCookie('theme');
+
+            if (savedTheme) {
+                // Use user preference if it exists
+                applyTheme(savedTheme);
+            } else {
+                // Otherwise, detect OS preference
+                const prefersDark = window.matchMedia('(prefers-color-scheme: dark)').matches;
+                applyTheme(prefersDark ? 'dark' : 'light');
+            }
+        }
+
+        // Listen for OS theme changes in real-time if no cookie is set
+        window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', e => {
+            if (!getCookie('theme')) {
+                applyTheme(e.matches ? 'dark' : 'light');
+            }
+        });
+
+        initTheme();
     </script>
 </body>
 

templates/login.html

@@ -1,14 +1,12 @@
 <!DOCTYPE html>
 <html lang="es" data-theme="light">
+
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>SekiPOS Login</title>
     <link rel="shortcut icon" href="./static/favicon.png" type="image/x-icon">
-    <link
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
-        href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css"
-        rel="stylesheet"
-    >
     <style>
         :root {
             --bg: #5865f2;
@@ -19,6 +17,7 @@
             --accent-hover: #4752c4;
             --error: #ed4245;
         }
+
         [data-theme="dark"] {
             --bg: #36393f;
             --card-bg: #2f3136;
@@ -45,7 +44,7 @@
             padding: 2rem;
             width: 100%;
             max-width: 400px;
-            box-shadow: 0 8px 24px rgba(0,0,0,0.25);
+            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
             transition: background 0.2s, color 0.2s;
         }
 
@@ -54,10 +53,14 @@
             color: var(--text) !important;
             border: none;
         }
+
         .form-control:focus {
             box-shadow: 0 0 0 2px var(--accent);
         }
-        .form-control::placeholder { color: #8a8e94; }
+
+        .form-control::placeholder {
+            color: #8a8e94;
+        }
 
         .btn-login {
             background: var(--accent);
@@ -65,6 +68,7 @@
             border: none;
             font-weight: 600;
         }
+
         .btn-login:hover {
             background: var(--accent-hover);
             color: #fff;
@@ -78,6 +82,7 @@
         }
     </style>
 </head>
+
 <body>
     <div class="login-box text-center">
         <h2 class="fw-bold mb-1">SekiPOS</h2>
@@ -90,21 +95,8 @@
         {% endwith %}
 
         <form method="POST">
-            <input
+            <input class="form-control mb-3" type="text" name="username" placeholder="Usuario" required autofocus>
-                class="form-control mb-3"
+            <input class="form-control mb-3" type="password" name="password" placeholder="Contraseña" required>
-                type="text"
-                name="username"
-                placeholder="Usuario"
-                required
-                autofocus
-            >
-            <input
-                class="form-control mb-3"
-                type="password"
-                name="password"
-                placeholder="Contraseña"
-                required
-            >
             <button type="submit" class="btn btn-login w-100">
                 Iniciar Sesión
             </button>
@@ -112,8 +104,69 @@
     </div>
 
     <script>
-        const t = localStorage.getItem('theme') || 'light';
+        /* ── Theme Management ── */
-        if (t === 'dark') document.documentElement.setAttribute('data-theme', 'dark');
+
+        // Helper to set a cookie
+        function setCookie(name, value, days = 365) {
+            const d = new Date();
+            d.setTime(d.getTime() + (days * 24 * 60 * 60 * 1000));
+            let expires = "expires=" + d.toUTCString();
+            document.cookie = name + "=" + value + ";" + expires + ";path=/;SameSite=Lax";
+        }
+
+        // Helper to get a cookie
+        function getCookie(name) {
+            let nameEQ = name + "=";
+            let ca = document.cookie.split(';');
+            for (let i = 0; i < ca.length; i++) {
+                let c = ca[i];
+                while (c.charAt(0) == ' ') c = c.substring(1, c.length);
+                if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
+            }
+            return null;
+        }
+
+        function applyTheme(t) {
+            document.documentElement.setAttribute('data-theme', t);
+            const isDark = t === 'dark';
+            const themeIcon = document.getElementById('theme-icon');
+            const themeLabel = document.getElementById('theme-label');
+
+            if (themeIcon) themeIcon.className = isDark ? 'bi bi-sun me-2' : 'bi bi-moon-stars me-2';
+            if (themeLabel) themeLabel.innerText = isDark ? 'Modo Claro' : 'Modo Oscuro';
+
+            setCookie('theme', t);
+        }
+
+        function toggleTheme() {
+            const current = document.documentElement.getAttribute('data-theme');
+            const next = current === 'dark' ? 'light' : 'dark';
+            applyTheme(next);
+        }
+
+        // Initialization Logic
+        function initTheme() {
+            const savedTheme = getCookie('theme');
+
+            if (savedTheme) {
+                // Use user preference if it exists
+                applyTheme(savedTheme);
+            } else {
+                // Otherwise, detect OS preference
+                const prefersDark = window.matchMedia('(prefers-color-scheme: dark)').matches;
+                applyTheme(prefersDark ? 'dark' : 'light');
+            }
+        }
+
+        // Listen for OS theme changes in real-time if no cookie is set
+        window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', e => {
+            if (!getCookie('theme')) {
+                applyTheme(e.matches ? 'dark' : 'light');
+            }
+        });
+
+        initTheme();
     </script>
 </body>
+
 </html>