magic-dashboard 0.1.0

Auto-generate a real-time web dashboard from Rust structs
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Magic Dashboard</title>
    <script src="https://cdn.tailwindcss.com"></script>
    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap" rel="stylesheet">
    <style>
        body { font-family: 'Inter', sans-serif; background-color: #0f172a; color: #f8fafc; }
        .glass-card {
            background: rgba(30, 41, 59, 0.7);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
    </style>
</head>
<body class="min-h-screen p-8">
    <div class="max-w-5xl mx-auto">
        <header class="flex justify-between items-center mb-8">
            <div>
                <h1 class="text-3xl font-bold text-transparent bg-clip-text bg-gradient-to-r from-blue-400 to-purple-500">
                    Magic Dashboard
                </h1>
                <p class="text-slate-400 text-sm mt-1">Live Application State</p>
            </div>
            <div class="flex items-center space-x-2">
                <span class="relative flex h-3 w-3">
                  <span class="animate-ping absolute inline-flex h-full w-full rounded-full bg-emerald-400 opacity-75"></span>
                  <span class="relative inline-flex rounded-full h-3 w-3 bg-emerald-500"></span>
                </span>
                <span class="text-sm font-medium text-emerald-400" id="status-text">Connected</span>
            </div>
        </header>

        <div id="tabs-container" class="flex space-x-2 mb-6 overflow-x-auto pb-2 border-slate-800">
            <!-- Tabs dynamically injected here -->
        </div>

        <div id="dashboard-grid" class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
            <!-- Dynamically generated cards will appear here -->
        </div>
    </div>

    <script>
        const grid = document.getElementById('dashboard-grid');
        const statusText = document.getElementById('status-text');
        const tabsContainer = document.getElementById('tabs-container');
        
        let stateData = {};
        let metadata = {};
        let historyData = {}; // { field_name: [val1, val2, ...] }
        let currentTab = "All";
        let isEditing = {}; // { field_name: boolean }
        
        function formatValue(val) {
            if (typeof val === 'boolean') {
                return val 
                    ? `<span class="px-2 py-1 rounded text-xs font-semibold bg-emerald-500/20 text-emerald-400 border border-emerald-500/30">TRUE</span>`
                    : `<span class="px-2 py-1 rounded text-xs font-semibold bg-rose-500/20 text-rose-400 border border-rose-500/30">FALSE</span>`;
            }
            if (typeof val === 'number') {
                return `<span class="text-blue-400 font-mono text-2xl">${val}</span>`;
            }
            if (typeof val === 'object' && val !== null) {
                return `<pre class="text-xs text-slate-300 bg-slate-800/50 p-3 rounded-lg mt-2 overflow-x-auto border border-slate-700">${JSON.stringify(val, null, 2)}</pre>`;
            }
            return `<span class="text-slate-200 font-medium">${val}</span>`;
        }

        function drawSparkline(values) {
            if (values.length < 2) return '';
            const max = Math.max(...values);
            const min = Math.min(...values);
            const range = max - min || 1;
            const width = 100;
            const height = 20;
            
            const points = values.map((val, i) => {
                const x = (i / (values.length - 1)) * width;
                const y = height - ((val - min) / range) * height;
                return `${x},${y}`;
            }).join(' ');

            return `
            <div class="mt-4 border-t border-slate-700/50 pt-3">
                <svg viewBox="-2 -2 104 24" class="w-full h-8 overflow-visible">
                    <polyline points="${points}" fill="none" stroke="#3b82f6" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="opacity-80 drop-shadow-[0_0_2px_rgba(59,130,246,0.5)]"></polyline>
                </svg>
            </div>`;
        }

        async function fetchMetadata() {
            try {
                const response = await fetch('/api/metadata');
                if (response.ok) {
                    metadata = await response.json();
                    renderTabs();
                }
            } catch (e) {
                console.warn('Could not fetch metadata', e);
            }
        }

        function renderTabs() {
            const categories = new Set(["All"]);
            for (const field in metadata) {
                if (metadata[field].category) {
                    categories.add(metadata[field].category);
                }
            }
            
            if (categories.size <= 2) {
                // Don't show tabs if there are no custom categories
                tabsContainer.innerHTML = '';
                return;
            }

            tabsContainer.innerHTML = '';
            categories.forEach(cat => {
                const btn = document.createElement('button');
                const isActive = cat === currentTab;
                btn.className = `px-4 py-2 rounded-lg text-sm font-medium transition-colors ${isActive ? 'bg-blue-600 text-white' : 'bg-slate-800 text-slate-400 hover:bg-slate-700'}`;
                btn.textContent = cat;
                btn.onclick = () => {
                    currentTab = cat;
                    renderTabs(); 
                    renderGrid(); 
                };
                tabsContainer.appendChild(btn);
            });
        }
        
        async function updateField(field, value) {
            try {
                const res = await fetch('/api/state', {
                    method: 'POST',
                    headers: { 'Content-Type': 'application/json' },
                    body: JSON.stringify({ field, value })
                });
                if (!res.ok) {
                    const text = await res.text();
                    alert("Update failed: " + text);
                } else {
                    isEditing[field] = false;
                    fetchState();
                }
            } catch (e) {
                alert("Error: " + e.message);
            }
        }

        window.toggleEdit = function(field) {
            isEditing[field] = !isEditing[field];
            renderGrid();
        }

        window.saveEdit = function(field, typeStr) {
            let inputEl = document.getElementById(`input-${field}`);
            let val = inputEl.value;
            
            if (typeStr === 'number') {
                val = Number(val);
            } else if (typeStr === 'boolean') {
                val = inputEl.checked;
            } else if (typeStr === 'object') {
                try {
                    val = JSON.parse(val);
                } catch(e) {
                    alert("Invalid JSON format");
                    return;
                }
            }
            updateField(field, val);
        }

        function renderGrid() {
            grid.innerHTML = '';
            
            for (const [key, value] of Object.entries(stateData)) {
                let cat = metadata[key]?.category || "General";
                if (currentTab !== "All" && cat !== currentTab) {
                    continue;
                }
                
                if (typeof value === 'number') {
                    if (!historyData[key]) historyData[key] = [];
                    // Only push if not currently editing to prevent jitter
                    if (!isEditing[key]) {
                        historyData[key].push(value);
                        if (historyData[key].length > 30) historyData[key].shift();
                    }
                }

                const card = document.createElement('div');
                card.className = 'glass-card rounded-xl p-6 hover:border-blue-500/50 transition-colors duration-300 shadow-lg relative group flex flex-col justify-between';
                
                const title = key.replace(/_/g, ' ').replace(/\b\w/g, l => l.toUpperCase());
                let typeStr = typeof value;
                
                if (isEditing[key]) {
                    let inputHtml = '';
                    if (typeStr === 'boolean') {
                        inputHtml = `<label class="flex items-center space-x-2 mt-2 cursor-pointer"><input type="checkbox" id="input-${key}" ${value ? 'checked' : ''} class="w-5 h-5 rounded bg-slate-700 border-slate-600 text-blue-500 focus:ring-blue-500"><span class="text-sm text-slate-300">Enabled</span></label>`;
                    } else if (typeStr === 'number') {
                        inputHtml = `<input type="number" id="input-${key}" value="${value}" step="any" class="w-full bg-slate-800 border border-slate-600 focus:border-blue-500 outline-none rounded px-3 py-2 mt-2 text-slate-200">`;
                    } else if (typeStr === 'object' && value !== null) {
                        inputHtml = `<textarea id="input-${key}" class="w-full bg-slate-800 border border-slate-600 focus:border-blue-500 outline-none rounded px-3 py-2 mt-2 text-slate-200 font-mono text-xs" rows="5">${JSON.stringify(value, null, 2)}</textarea>`;
                    } else {
                        inputHtml = `<input type="text" id="input-${key}" value="${value}" class="w-full bg-slate-800 border border-slate-600 focus:border-blue-500 outline-none rounded px-3 py-2 mt-2 text-slate-200">`;
                    }

                    card.innerHTML = `
                        <div>
                            <h3 class="text-xs font-semibold text-slate-400 uppercase tracking-wider flex items-center gap-2">
                                <svg class="w-4 h-4 text-blue-400" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z"></path></svg>
                                Edit ${title}
                            </h3>
                            ${inputHtml}
                        </div>
                        <div class="flex gap-2 mt-4 pt-4 border-t border-slate-700/50">
                            <button onclick="saveEdit('${key}', '${typeStr}')" class="flex-1 py-1.5 bg-emerald-600/80 hover:bg-emerald-500 text-white text-xs font-semibold rounded transition-colors">Save</button>
                            <button onclick="toggleEdit('${key}')" class="flex-1 py-1.5 bg-slate-700 hover:bg-slate-600 text-slate-300 text-xs font-semibold rounded transition-colors">Cancel</button>
                        </div>
                    `;
                } else {
                    let sparklineHtml = '';
                    if (typeStr === 'number' && historyData[key]) {
                        sparklineHtml = drawSparkline(historyData[key]);
                    }
                    
                    card.innerHTML = `
                        <div>
                            <div class="flex justify-between items-start mb-3">
                                <h3 class="text-xs font-semibold text-slate-400 uppercase tracking-wider flex items-center gap-2">
                                    <svg class="w-4 h-4 text-slate-500" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"></path></svg>
                                    ${title}
                                </h3>
                                <button onclick="toggleEdit('${key}')" class="opacity-0 group-hover:opacity-100 transition-opacity text-slate-400 hover:text-blue-400 p-1 -mt-1 -mr-1" title="Edit value">
                                    <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15.232 5.232l3.536 3.536m-2.036-5.036a2.5 2.5 0 113.536 3.536L6.5 21.036H3v-3.572L16.732 3.732z"></path></svg>
                                </button>
                            </div>
                            <div class="mt-1">${formatValue(value)}</div>
                        </div>
                        ${sparklineHtml}
                    `;
                }
                grid.appendChild(card);
            }
        }

        async function fetchState() {
            try {
                const response = await fetch('/api/state');
                if (!response.ok) throw new Error('Network response was not ok');
                stateData = await response.json();
                
                statusText.textContent = "Connected";
                statusText.className = "text-sm font-medium text-emerald-400";

                renderGrid();
            } catch (error) {
                console.error('Failed to fetch state:', error);
                statusText.textContent = "Disconnected";
                statusText.className = "text-sm font-medium text-rose-400";
            }
        }

        fetchMetadata().then(() => {
            fetchState();
            setInterval(() => {
                // Only poll if there are no active edits to prevent losing input focus/data
                if (Object.values(isEditing).every(v => !v)) {
                    fetchState();
                }
            }, 500);
        });
    </script>
</body>
</html>