1 files changed, 80 insertions, 0 deletions
diff --git a/scripts/seed/distributions/devices.ts b/scripts/seed/distributions/devices.ts
new file mode 100644
index 0000000..9d8b8c0
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+++ b/scripts/seed/distributions/devices.ts
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+import { weightedRandom, pickRandom, type WeightedOption } from '../utils.js';
+
+export type DeviceType = 'desktop' | 'mobile' | 'tablet';
+
+const deviceWeights: WeightedOption<DeviceType>[] = [
+  { value: 'desktop', weight: 0.55 },
+  { value: 'mobile', weight: 0.4 },
+  { value: 'tablet', weight: 0.05 },
+];
+
+const browsersByDevice: Record<DeviceType, WeightedOption<string>[]> = {
+  desktop: [
+    { value: 'Chrome', weight: 0.65 },
+    { value: 'Safari', weight: 0.12 },
+    { value: 'Firefox', weight: 0.1 },
+    { value: 'Edge', weight: 0.1 },
+    { value: 'Opera', weight: 0.03 },
+  ],
+  mobile: [
+    { value: 'Chrome', weight: 0.55 },
+    { value: 'Safari', weight: 0.35 },
+    { value: 'Samsung', weight: 0.05 },
+    { value: 'Firefox', weight: 0.03 },
+    { value: 'Opera', weight: 0.02 },
+  ],
+  tablet: [
+    { value: 'Safari', weight: 0.6 },
+    { value: 'Chrome', weight: 0.35 },
+    { value: 'Firefox', weight: 0.05 },
+  ],
+};
+
+const osByDevice: Record<DeviceType, WeightedOption<string>[]> = {
+  desktop: [
+    { value: 'Windows 10', weight: 0.5 },
+    { value: 'Mac OS', weight: 0.3 },
+    { value: 'Linux', weight: 0.12 },
+    { value: 'Chrome OS', weight: 0.05 },
+    { value: 'Windows 11', weight: 0.03 },
+  ],
+  mobile: [
+    { value: 'iOS', weight: 0.45 },
+    { value: 'Android', weight: 0.55 },
+  ],
+  tablet: [
+    { value: 'iOS', weight: 0.75 },
+    { value: 'Android', weight: 0.25 },
+  ],
+};
+
+const screensByDevice: Record<DeviceType, string[]> = {
+  desktop: [
+    '1920x1080',
+    '2560x1440',
+    '1366x768',
+    '1440x900',
+    '3840x2160',
+    '1536x864',
+    '1680x1050',
+    '2560x1080',
+  ],
+  mobile: ['390x844', '414x896', '375x812', '360x800', '428x926', '393x873', '412x915', '360x780'],
+  tablet: ['1024x768', '768x1024', '834x1194', '820x1180', '810x1080', '800x1280'],
+};
+
+export interface DeviceInfo {
+  device: DeviceType;
+  browser: string;
+  os: string;
+  screen: string;
+}
+
+export function getRandomDevice(): DeviceInfo {
+  const device = weightedRandom(deviceWeights);
+  const browser = weightedRandom(browsersByDevice[device]);
+  const os = weightedRandom(osByDevice[device]);
+  const screen = pickRandom(screensByDevice[device]);
+
+  return { device, browser, os, screen };
+}