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import { useState, useEffect } from "react"
import Link from "next/link"
import { useUser } from "@stackframe/stack"
import { Card, CardContent, CardHeader, CardTitle, CardDescription } from "@/components/ui/card"
import { Button } from "@/components/ui/button"
import { Badge } from "@/components/ui/badge"
import { Input } from "@/components/ui/input"
import {
Workflow,
Search,
Play,
Star,
User,
Plus,
Loader2,
ArrowRight,
Sparkles,
Lock,
Globe
} from "lucide-react"
interface WorkflowItem {
id: string
slug: string
name: string
description: string | null
steps: { name: string }[]
totalRuns: number
starsCount: number
visibility: string
creatorId: string | null
}
// Featured workflow templates
const FEATURED_TEMPLATES = [
{
name: "Blog Post Creator",
description: "Generate a complete blog post from a topic - research, write, and optimize",
steps: 3,
category: "Content"
},
{
name: "Social Media Campaign",
description: "Create cohesive content for Twitter, LinkedIn, and Instagram",
steps: 4,
category: "Marketing"
},
{
name: "Product Launch Kit",
description: "Generate product description, email, and social posts",
steps: 3,
category: "Business"
},
{
name: "Research & Summary",
description: "Research a topic, summarize key points, create presentation",
steps: 3,
category: "Research"
},
]
export function WorkflowLibrary() {
const user = useUser()
const [workflows, setWorkflows] = useState<WorkflowItem[]>([])
const [myWorkflows, setMyWorkflows] = useState<WorkflowItem[]>([])
const [loading, setLoading] = useState(true)
const [loadingMy, setLoadingMy] = useState(true)
const [searchQuery, setSearchQuery] = useState("")
// Fetch public workflows
useEffect(() => {
const fetchWorkflows = async () => {
try {
const response = await fetch('/api/workflows?visibility=public&limit=20')
if (response.ok) {
const data = await response.json()
setWorkflows(data.workflows || [])
}
} catch (error) {
console.error('Failed to fetch workflows:', error)
} finally {
setLoading(false)
}
}
fetchWorkflows()
}, [])
// Fetch user's own workflows (including private)
useEffect(() => {
const fetchMyWorkflows = async () => {
if (!user?.id) {
setLoadingMy(false)
return
}
try {
const response = await fetch(`/api/workflows?creatorId=${user.id}&limit=50`)
if (response.ok) {
const data = await response.json()
setMyWorkflows(data.workflows || [])
}
} catch (error) {
console.error('Failed to fetch my workflows:', error)
} finally {
setLoadingMy(false)
}
}
fetchMyWorkflows()
}, [user?.id])
const filteredWorkflows = workflows.filter(w =>
w.name.toLowerCase().includes(searchQuery.toLowerCase()) ||
w.description?.toLowerCase().includes(searchQuery.toLowerCase())
)
const filteredMyWorkflows = myWorkflows.filter(w =>
w.name.toLowerCase().includes(searchQuery.toLowerCase()) ||
w.description?.toLowerCase().includes(searchQuery.toLowerCase())
)
return (
<div className="container mx-auto px-4 py-8 max-w-7xl">
{/* Hero */}
<div className="text-center mb-12">
<div className="inline-flex items-center justify-center h-16 w-16 rounded-2xl bg-linear-to-br from-primary to-accent mb-4">
<Workflow className="h-8 w-8 text-white" />
</div>
<h1 className="text-4xl md:text-5xl font-serif font-medium mb-4">
Workflow <span className="text-gradient italic">Library</span>
</h1>
<p className="text-xl text-muted-foreground max-w-2xl mx-auto mb-8">
Discover and use community-created prompt chains
</p>
{/* Actions */}
<div className="flex items-center justify-center gap-4 flex-wrap">
<Link href="/workflows">
<Button className="gap-2">
<Plus className="h-4 w-4" />
Create Workflow
</Button>
</Link>
</div>
</div>
{/* Search */}
<div className="relative max-w-md mx-auto mb-12">
<Search className="absolute left-3 top-1/2 -translate-y-1/2 h-4 w-4 text-muted-foreground" />
<Input
placeholder="Search workflows..."
value={searchQuery}
onChange={(e) => setSearchQuery(e.target.value)}
className="pl-10"
/>
</div>
{/* My Workflows Section (for logged in users) */}
{user && (
<div className="mb-12">
<h2 className="text-2xl font-serif font-medium mb-6 flex items-center gap-2">
<User className="h-6 w-6 text-primary" />
My Workflows
</h2>
{loadingMy ? (
<div className="flex items-center justify-center py-8">
<Loader2 className="h-8 w-8 animate-spin text-muted-foreground" />
</div>
) : filteredMyWorkflows.length > 0 ? (
<div className="grid md:grid-cols-2 lg:grid-cols-3 gap-6">
{filteredMyWorkflows.map((workflow) => (
<Link href={`/workflows/${workflow.slug}`} key={workflow.id}>
<Card className="h-full hover:border-primary/50 hover:shadow-lg transition-all cursor-pointer">
<CardContent className="p-5">
<div className="flex items-start justify-between mb-3">
<h3 className="font-semibold">{workflow.name}</h3>
<div className="flex items-center gap-2">
<Badge
variant={workflow.visibility === "public" ? "default" : "secondary"}
className="gap-1"
>
{workflow.visibility === "public" ? (
<Globe className="h-3 w-3" />
) : (
<Lock className="h-3 w-3" />
)}
{workflow.visibility}
</Badge>
</div>
</div>
{workflow.description && (
<p className="text-sm text-muted-foreground mb-4 line-clamp-2">
{workflow.description}
</p>
)}
<div className="flex items-center gap-4 text-sm text-muted-foreground">
<span className="text-xs">
{(workflow.steps as any[])?.length || 0} steps
</span>
<span className="flex items-center gap-1">
<Play className="h-3 w-3" />
{workflow.totalRuns}
</span>
<span className="flex items-center gap-1">
<Star className="h-3 w-3" />
{workflow.starsCount}
</span>
</div>
</CardContent>
</Card>
</Link>
))}
</div>
) : (
<Card className="border-dashed">
<CardContent className="p-8 text-center text-muted-foreground">
<p className="mb-4">You haven't created any workflows yet.</p>
<Link href="/workflows">
<Button variant="outline" className="gap-2">
<Plus className="h-4 w-4" />
Create Your First Workflow
</Button>
</Link>
</CardContent>
</Card>
)}
</div>
)}
{/* Featured Templates */}
<div className="mb-12">
<h2 className="text-2xl font-serif font-medium mb-6 flex items-center gap-2">
<Sparkles className="h-6 w-6 text-primary" />
Featured Templates
</h2>
<div className="grid md:grid-cols-2 lg:grid-cols-4 gap-4">
{FEATURED_TEMPLATES.map((template, index) => (
<Link href="/workflows" key={index}>
<Card className="h-full hover:border-primary/50 hover:shadow-lg transition-all cursor-pointer">
<CardContent className="p-5">
<Badge variant="secondary" className="mb-3">
{template.category}
</Badge>
<h3 className="font-semibold mb-2">{template.name}</h3>
<p className="text-sm text-muted-foreground mb-3">
{template.description}
</p>
<div className="flex items-center justify-between text-sm">
<span className="text-muted-foreground">
{template.steps} steps
</span>
<ArrowRight className="h-4 w-4 text-primary" />
</div>
</CardContent>
</Card>
</Link>
))}
</div>
</div>
{/* Community Workflows */}
<div>
<h2 className="text-2xl font-serif font-medium mb-6 flex items-center gap-2">
<Globe className="h-6 w-6 text-primary" />
Community Workflows
</h2>
{loading ? (
<div className="flex items-center justify-center py-12">
<Loader2 className="h-8 w-8 animate-spin text-muted-foreground" />
</div>
) : filteredWorkflows.length > 0 ? (
<div className="grid md:grid-cols-2 lg:grid-cols-3 gap-6">
{filteredWorkflows.map((workflow) => (
<Link href={`/workflows/${workflow.slug}`} key={workflow.id}>
<Card className="h-full hover:border-primary/50 hover:shadow-lg transition-all cursor-pointer">
<CardContent className="p-5">
<div className="flex items-start justify-between mb-3">
<h3 className="font-semibold">{workflow.name}</h3>
<Badge variant="outline">
{(workflow.steps as any[])?.length || 0} steps
</Badge>
</div>
{workflow.description && (
<p className="text-sm text-muted-foreground mb-4 line-clamp-2">
{workflow.description}
</p>
)}
<div className="flex items-center gap-4 text-sm text-muted-foreground">
<span className="flex items-center gap-1">
<Play className="h-3 w-3" />
{workflow.totalRuns}
</span>
<span className="flex items-center gap-1">
<Star className="h-3 w-3" />
{workflow.starsCount}
</span>
</div>
</CardContent>
</Card>
</Link>
))}
</div>
) : (
<Card className="border-dashed">
<CardContent className="p-12 text-center text-muted-foreground">
<Workflow className="h-16 w-16 mx-auto mb-4 opacity-20" />
<p className="text-lg font-medium mb-2">No Public Workflows Yet</p>
<p className="mb-4">Be the first to share a workflow with the community!</p>
<Link href="/workflows">
<Button>
<Plus className="h-4 w-4 mr-2" />
Create Workflow
</Button>
</Link>
</CardContent>
</Card>
)}
</div>
</div>
)
}
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