frontend/src/pages/Settings.tsx

import { Card, CardHeader, CardTitle, CardContent } from '@/components/ui/card'
import { Button } from '@/components/ui/button'
import { Label } from '@/components/ui/label'
import { Switch } from '@/components/ui/switch'
import { Badge } from '@/components/ui/badge'
import { 
  Settings as SettingsIcon, 
  Server, 
  Brain,
  Palette,
  Shield,
  Info
} from 'lucide-react'

export function Settings() {
  return (
    <div className="min-h-screen bg-background">
      {/* Header */}
      <div className="border-b">
        <div className="flex h-14 items-center px-6">
          <div className="flex items-center gap-2">
            <SettingsIcon className="h-5 w-5" />
            <h1 className="text-lg font-semibold">Settings</h1>
          </div>
        </div>
      </div>

      <div className="flex-1 p-6">
        <div className="max-w-4xl mx-auto space-y-6">
          
          {/* Server Settings */}
          <Card>
            <CardHeader>
              <CardTitle className="flex items-center gap-2">
                <Server className="h-5 w-5" />
                Server Configuration
              </CardTitle>
            </CardHeader>
            <CardContent className="space-y-4">
              <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
                <div>
                  <Label className="text-sm font-medium">Backend URL</Label>
                  <div className="mt-1 p-2 bg-muted rounded-md text-sm font-mono">
                    {window.location.origin}
                  </div>
                </div>
                <div>
                  <Label className="text-sm font-medium">Frontend URL</Label>
                  <div className="mt-1 p-2 bg-muted rounded-md text-sm font-mono">
                    {window.location.origin}
                  </div>
                </div>
              </div>
              <div className="pt-2 border-t">
                <div className="flex items-center justify-between">
                  <div>
                    <Label className="text-sm font-medium">Auto-connect on startup</Label>
                    <p className="text-xs text-muted-foreground">Automatically connect to backend when app starts</p>
                  </div>
                  <Switch defaultChecked />
                </div>
              </div>
            </CardContent>
          </Card>

          {/* Model Settings */}
          <Card>
            <CardHeader>
              <CardTitle className="flex items-center gap-2">
                <Brain className="h-5 w-5" />
                Model Preferences
              </CardTitle>
            </CardHeader>
            <CardContent className="space-y-4">
              <div className="flex items-center justify-between">
                <div>
                  <Label className="text-sm font-medium">Auto-load last used model</Label>
                  <p className="text-xs text-muted-foreground">Automatically load the last used model on startup</p>
                </div>
                <Switch />
              </div>
              <div className="flex items-center justify-between">
                <div>
                  <Label className="text-sm font-medium">Show model thinking process</Label>
                  <p className="text-xs text-muted-foreground">Display thinking content for supported models</p>
                </div>
                <Switch defaultChecked />
              </div>
              <div className="flex items-center justify-between">
                <div>
                  <Label className="text-sm font-medium">Confirm model loading</Label>
                  <p className="text-xs text-muted-foreground">Show confirmation dialog before downloading models</p>
                </div>
                <Switch defaultChecked />
              </div>
            </CardContent>
          </Card>

          {/* Interface Settings */}
          <Card>
            <CardHeader>
              <CardTitle className="flex items-center gap-2">
                <Palette className="h-5 w-5" />
                Interface
              </CardTitle>
            </CardHeader>
            <CardContent className="space-y-4">
              <div className="flex items-center justify-between">
                <div>
                  <Label className="text-sm font-medium">Dark mode</Label>
                  <p className="text-xs text-muted-foreground">Use dark theme for the interface</p>
                </div>
                <Switch />
              </div>
              <div className="flex items-center justify-between">
                <div>
                  <Label className="text-sm font-medium">Compact mode</Label>
                  <p className="text-xs text-muted-foreground">Use smaller spacing for more content</p>
                </div>
                <Switch />
              </div>
              <div className="flex items-center justify-between">
                <div>
                  <Label className="text-sm font-medium">Show sample prompts</Label>
                  <p className="text-xs text-muted-foreground">Display quick start prompts in playground</p>
                </div>
                <Switch defaultChecked />
              </div>
            </CardContent>
          </Card>

          {/* Privacy Settings */}
          <Card>
            <CardHeader>
              <CardTitle className="flex items-center gap-2">
                <Shield className="h-5 w-5" />
                Privacy & Data
              </CardTitle>
            </CardHeader>
            <CardContent className="space-y-4">
              <div className="p-3 bg-green-50 border border-green-200 rounded-md">
                <div className="flex items-center gap-2 mb-2">
                  <Shield className="h-4 w-4 text-green-600" />
                  <span className="text-sm font-medium text-green-800">Local Processing</span>
                </div>
                <p className="text-xs text-green-700">
                  All AI processing happens locally on your machine. No data is sent to external servers.
                </p>
              </div>
              <div className="flex items-center justify-between">
                <div>
                  <Label className="text-sm font-medium">Save conversation history</Label>
                  <p className="text-xs text-muted-foreground">Store conversations locally for reference</p>
                </div>
                <Switch />
              </div>
              <div className="flex items-center justify-between">
                <div>
                  <Label className="text-sm font-medium">Save system prompts</Label>
                  <p className="text-xs text-muted-foreground">Remember custom system prompts</p>
                </div>
                <Switch defaultChecked />
              </div>
            </CardContent>
          </Card>

          {/* System Information */}
          <Card>
            <CardHeader>
              <CardTitle className="flex items-center gap-2">
                <Info className="h-5 w-5" />
                System Information
              </CardTitle>
            </CardHeader>
            <CardContent className="space-y-4">
              <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
                <div>
                  <Label className="text-sm font-medium">Platform</Label>
                  <div className="mt-1 flex items-center gap-2">
                    <Badge variant="outline">Local</Badge>
                    <span className="text-sm text-muted-foreground">Privacy-focused AI</span>
                  </div>
                </div>
                <div>
                  <Label className="text-sm font-medium">Version</Label>
                  <div className="mt-1">
                    <Badge variant="outline">v1.0.0</Badge>
                  </div>
                </div>
              </div>
              <div className="pt-2 border-t">
                <div className="flex items-center justify-between">
                  <div>
                    <p className="text-sm font-medium">Storage Location</p>
                    <p className="text-xs text-muted-foreground font-mono">~/.edge-llm/models/</p>
                  </div>
                  <Button variant="outline" size="sm">
                    Open Folder
                  </Button>
                </div>
              </div>
            </CardContent>
          </Card>

          {/* Actions */}
          <Card>
            <CardHeader>
              <CardTitle>Actions</CardTitle>
            </CardHeader>
            <CardContent>
              <div className="flex gap-2">
                <Button variant="outline">
                  Export Settings
                </Button>
                <Button variant="outline">
                  Import Settings
                </Button>
                <Button variant="outline">
                  Reset to Defaults
                </Button>
              </div>
            </CardContent>
          </Card>
        </div>
      </div>
    </div>
  )
}