Files
plunk/apps/web/src/components/WorkflowBuilder.tsx
T
2025-12-04 11:42:16 +01:00

867 lines
30 KiB
TypeScript

/* eslint-disable @typescript-eslint/no-explicit-any */
import {
Background,
Controls,
type Edge,
Handle,
MarkerType,
MiniMap,
type Node,
Panel,
Position,
ReactFlow,
useEdgesState,
useNodesState,
useReactFlow
} from '@xyflow/react';
import '@xyflow/react/dist/style.css';
import type {WorkflowStep} from '@plunk/db';
import {Clock, GitBranch, LogOut, Mail, Plus, Settings, Trash2, UserCog, Webhook} from 'lucide-react';
import {useCallback, useEffect, useMemo, useState} from 'react';
import dagre from 'dagre';
import {network} from '../lib/network';
import {toast} from 'sonner';
import {Button, ConfirmDialog, Dialog, DialogContent, DialogFooter, DialogHeader, DialogTitle} from '@plunk/ui';
import {WorkflowSchemas} from '@plunk/shared';
interface WorkflowBuilderProps {
workflowId: string;
steps: (WorkflowStep & {
template?: {id: string; name: string} | null;
outgoingTransitions: Array<{
id: string;
toStepId: string;
condition: unknown;
priority: number;
}>;
incomingTransitions: Array<{
id: string;
fromStepId: string;
condition: unknown;
priority: number;
}>;
})[];
onUpdate: () => void;
}
const STEP_TYPE_ICONS = {
TRIGGER: GitBranch,
SEND_EMAIL: Mail,
DELAY: Clock,
WAIT_FOR_EVENT: Clock,
CONDITION: GitBranch,
EXIT: LogOut,
WEBHOOK: Webhook,
UPDATE_CONTACT: UserCog,
};
const STEP_TYPE_COLORS = {
TRIGGER: '#9333ea',
SEND_EMAIL: '#2563eb',
DELAY: '#ea580c',
WAIT_FOR_EVENT: '#ca8a04',
CONDITION: '#9333ea',
EXIT: '#dc2626',
WEBHOOK: '#16a34a',
UPDATE_CONTACT: '#4f46e5',
};
const STEP_TYPE_BG = {
TRIGGER: '#f3e8ff',
SEND_EMAIL: '#dbeafe',
DELAY: '#ffedd5',
WAIT_FOR_EVENT: '#fef3c7',
CONDITION: '#f3e8ff',
EXIT: '#fee2e2',
WEBHOOK: '#dcfce7',
UPDATE_CONTACT: '#e0e7ff',
};
// Dagre layout function
function getLayoutedElements(nodes: Node[], edges: Edge[]) {
const dagreGraph = new dagre.graphlib.Graph();
dagreGraph.setDefaultEdgeLabel(() => ({}));
const nodeWidth = 280;
const nodeHeight = 120;
dagreGraph.setGraph({
rankdir: 'TB',
nodesep: 100,
ranksep: 150,
marginx: 50,
marginy: 50,
});
nodes.forEach(node => {
dagreGraph.setNode(node.id, {width: nodeWidth, height: nodeHeight});
});
edges.forEach(edge => {
dagreGraph.setEdge(edge.source, edge.target);
});
dagre.layout(dagreGraph);
const layoutedNodes = nodes.map(node => {
const nodeWithPosition = dagreGraph.node(node.id);
return {
...node,
position: {
x: nodeWithPosition.x - nodeWidth / 2,
y: nodeWithPosition.y - nodeHeight / 2,
},
};
});
return {nodes: layoutedNodes, edges};
}
// Add Step Node - appears at the end of flow paths
function AddStepNode({data}: {data: {label: string; onClick?: () => void}}) {
return (
<>
<Handle
type="target"
position={Position.Top}
style={{
background: '#94a3b8',
width: 14,
height: 14,
border: '2px solid white',
boxShadow: '0 2px 4px rgba(0,0,0,0.2)',
}}
/>
<div className="cursor-pointer hover:scale-110 transition-transform" onClick={data.onClick}>
<div className="w-16 h-16 rounded-full bg-gradient-to-br from-neutral-100 to-neutral-200 border-2 border-dashed border-neutral-400 hover:border-neutral-600 hover:from-blue-50 hover:to-blue-100 hover:border-blue-400 flex items-center justify-center shadow-md hover:shadow-lg transition-all">
<Plus className="h-8 w-8 text-neutral-500 hover:text-blue-600 transition-colors" />
</div>
{data.label && <div className="text-xs text-neutral-500 text-center mt-2 font-medium">{data.label}</div>}
</div>
</>
);
}
// Custom node component with action buttons
function CustomNode({
data,
}: {
data: {
label: string;
type: string;
stepId?: string;
icon?: any;
color?: string;
bgColor?: string;
onEdit?: () => void;
onDelete?: () => void;
template?: {name: string};
config?: any;
};
}) {
const Icon = data.icon;
const color = data.color;
const bgColor = data.bgColor;
const [showActions, setShowActions] = useState(false);
return (
<>
<Handle
type="target"
position={Position.Top}
style={{
background: color,
width: 14,
height: 14,
border: '2px solid white',
boxShadow: '0 2px 4px rgba(0,0,0,0.2)',
}}
/>
<div
className="px-5 py-4 rounded-xl border-2 bg-white shadow-lg hover:shadow-xl transition-all relative group"
style={{
borderColor: color,
minWidth: '280px',
maxWidth: '280px',
}}
onMouseEnter={() => setShowActions(true)}
onMouseLeave={() => setShowActions(false)}
>
{/* Action buttons - shown on hover */}
{showActions && data.type !== 'TRIGGER' && (
<div className="absolute -top-3 -right-3 flex gap-1.5 z-10">
<button
onClick={e => {
e.stopPropagation();
data.onEdit?.();
}}
className="p-1.5 bg-white border-2 border-neutral-300 rounded-lg shadow-md hover:border-neutral-400 hover:bg-neutral-50 transition-all"
title="Edit step"
>
<Settings className="h-3.5 w-3.5 text-neutral-700" />
</button>
<button
onClick={e => {
e.stopPropagation();
data.onDelete?.();
}}
className="p-1.5 bg-white border-2 border-red-300 rounded-lg shadow-md hover:border-red-400 hover:bg-red-50 transition-all"
title="Delete step"
>
<Trash2 className="h-3.5 w-3.5 text-red-600" />
</button>
</div>
)}
{/* Header */}
<div className="flex items-start gap-3 mb-3">
<div
className="flex-shrink-0 w-10 h-10 rounded-lg flex items-center justify-center"
style={{backgroundColor: bgColor}}
>
<Icon className="h-5 w-5" style={{color}} />
</div>
<div className="flex-1 min-w-0">
<h4 className="font-semibold text-neutral-900 text-sm leading-tight mb-1 break-words">{data.label}</h4>
<span
className="inline-flex items-center text-xs px-2 py-0.5 rounded-full font-medium"
style={{
backgroundColor: bgColor,
color,
}}
>
{data.type}
</span>
</div>
</div>
{/* Details */}
{data.template && (
<div className="mt-3 pt-3 border-t border-neutral-100">
<div className="flex items-center gap-2 text-xs text-neutral-600">
<span className="font-medium">📧</span>
<span className="truncate">{data.template.name}</span>
</div>
</div>
)}
{data.type === 'DELAY' && data.config?.amount && (
<div className="mt-3 pt-3 border-t border-neutral-100">
<div className="flex items-center gap-2 text-xs text-neutral-600">
<span className="font-medium">⏱️</span>
<span>
Wait {data.config.amount} {data.config.unit}
</span>
</div>
</div>
)}
{data.type === 'CONDITION' && data.config && (
<div className="mt-3 pt-3 border-t border-neutral-100">
<div className="text-xs text-neutral-600">
<div className="flex items-center gap-1 mb-1">
<span className="font-medium">🔀</span>
<span className="font-mono text-[10px] truncate">
{/* Handle both legacy format {field, type} and new format (string) */}
{typeof data.config.field === 'object' && data.config.field !== null && 'field' in data.config.field
? String(data.config.field.field)
: String(data.config.field)}
</span>
</div>
<div className="text-[10px] text-neutral-500 ml-4">
{data.config.operator} &quot;{String(data.config.value)}&quot;
</div>
</div>
</div>
)}
{data.type === 'WAIT_FOR_EVENT' && data.config?.eventName && (
<div className="mt-3 pt-3 border-t border-neutral-100">
<div className="flex items-center gap-2 text-xs text-neutral-600">
<span className="font-medium"></span>
<span className="truncate">{data.config.eventName}</span>
</div>
</div>
)}
{data.type === 'WEBHOOK' && data.config?.url && (
<div className="mt-3 pt-3 border-t border-neutral-100">
<div className="flex items-center gap-2 text-xs text-neutral-600">
<span className="font-medium">🔗</span>
<span className="truncate text-[10px]">
{data.config.method || 'POST'} {data.config.url}
</span>
</div>
</div>
)}
</div>
<Handle
type="source"
position={Position.Bottom}
style={{
background: color,
width: 14,
height: 14,
border: '2px solid white',
boxShadow: '0 2px 4px rgba(0,0,0,0.2)',
}}
/>
</>
);
}
const nodeTypes = {
custom: CustomNode,
addStep: AddStepNode,
};
// Step type options for adding new steps
const STEP_TYPE_OPTIONS = [
{value: 'SEND_EMAIL', label: 'Send Email', icon: Mail, color: STEP_TYPE_COLORS.SEND_EMAIL},
{value: 'DELAY', label: 'Delay', icon: Clock, color: STEP_TYPE_COLORS.DELAY},
{value: 'WAIT_FOR_EVENT', label: 'Wait for Event', icon: Clock, color: STEP_TYPE_COLORS.WAIT_FOR_EVENT},
{value: 'CONDITION', label: 'Condition', icon: GitBranch, color: STEP_TYPE_COLORS.CONDITION},
{value: 'WEBHOOK', label: 'Webhook', icon: Webhook, color: STEP_TYPE_COLORS.WEBHOOK},
{value: 'UPDATE_CONTACT', label: 'Update Contact', icon: UserCog, color: STEP_TYPE_COLORS.UPDATE_CONTACT},
{value: 'EXIT', label: 'Exit', icon: LogOut, color: STEP_TYPE_COLORS.EXIT},
];
export function WorkflowBuilder({workflowId, steps, onUpdate}: WorkflowBuilderProps) {
const reactFlowInstance = useReactFlow();
const [addStepContext, setAddStepContext] = useState<{
fromStepId: string | null;
branch?: 'yes' | 'no';
} | null>(null);
const [showDeleteDialog, setShowDeleteDialog] = useState(false);
const [stepToDelete, setStepToDelete] = useState<string | null>(null);
// Define handlers before they are used in useMemo
const handleEditStep = useCallback((stepId: string) => {
// This will be handled by the parent component
const event = new CustomEvent('workflow-edit-step', {detail: {stepId}});
window.dispatchEvent(event);
}, []);
const handleDeleteStepClick = useCallback((stepId: string) => {
setStepToDelete(stepId);
setShowDeleteDialog(true);
}, []);
// Convert workflow steps to React Flow nodes
const rawNodes: Node[] = useMemo(() => {
if (steps.length === 0) return [];
const nodes: Node[] = steps.map(step => {
const Icon = STEP_TYPE_ICONS[step.type as keyof typeof STEP_TYPE_ICONS] || GitBranch;
const color = STEP_TYPE_COLORS[step.type as keyof typeof STEP_TYPE_COLORS] || '#6b7280';
const bgColor = STEP_TYPE_BG[step.type as keyof typeof STEP_TYPE_BG] || '#f3f4f6';
return {
id: step.id,
type: 'custom',
position: step.position ? (step.position as {x: number; y: number}) : {x: 0, y: 0},
data: {
label: step.name,
type: step.type,
icon: Icon,
color,
bgColor,
template: step.template,
config: step.config,
onEdit: () => handleEditStep(step.id),
onDelete: () => handleDeleteStepClick(step.id),
},
};
});
// Add "Add Step" nodes at the end of each flow path
steps.forEach(step => {
if (step.type === 'EXIT') return; // Exit steps can't have next steps
if (step.type === 'CONDITION') {
// Check for yes and no branches
const hasYesBranch = step.outgoingTransitions?.some(t => {
const condition = t.condition;
return condition && typeof condition === 'object' && 'branch' in condition && condition.branch === 'yes';
});
const hasNoBranch = step.outgoingTransitions?.some(t => {
const condition = t.condition;
return condition && typeof condition === 'object' && 'branch' in condition && condition.branch === 'no';
});
if (!hasYesBranch) {
nodes.push({
id: `${step.id}-add-yes`,
type: 'addStep',
position: {x: 0, y: 0},
data: {
label: 'Yes',
onClick: () => setAddStepContext({fromStepId: step.id, branch: 'yes'}),
},
});
}
if (!hasNoBranch) {
nodes.push({
id: `${step.id}-add-no`,
type: 'addStep',
position: {x: 0, y: 0},
data: {
label: 'No',
onClick: () => setAddStepContext({fromStepId: step.id, branch: 'no'}),
},
});
}
} else {
// For non-condition steps, add + node if no outgoing transitions
if (!step.outgoingTransitions || step.outgoingTransitions.length === 0) {
nodes.push({
id: `${step.id}-add`,
type: 'addStep',
position: {x: 0, y: 0},
data: {
label: '',
onClick: () => setAddStepContext({fromStepId: step.id}),
},
});
}
}
});
return nodes;
}, [steps, handleEditStep, handleDeleteStepClick]);
// Convert transitions to React Flow edges
const rawEdges: Edge[] = useMemo(() => {
const edges: Edge[] = [];
steps.forEach(step => {
if (step.outgoingTransitions && step.outgoingTransitions.length > 0) {
step.outgoingTransitions.forEach(transition => {
const condition = transition.condition;
const isConditional = condition && typeof condition === 'object' && 'branch' in condition;
const branch =
condition && typeof condition === 'object' && 'branch' in condition ? condition.branch : undefined;
edges.push({
id: transition.id,
source: step.id,
target: transition.toStepId,
type: 'smoothstep',
animated: step.type === 'DELAY' || step.type === 'WAIT_FOR_EVENT',
label: isConditional ? (branch === 'yes' ? '✓ Yes' : '✗ No') : undefined,
labelStyle: {
fill: branch === 'yes' ? '#16a34a' : branch === 'no' ? '#dc2626' : '#64748b',
fontWeight: 600,
fontSize: 12,
},
labelBgStyle: {
fill: '#fff',
fillOpacity: 0.95,
},
labelBgPadding: [8, 4] as [number, number],
labelBgBorderRadius: 4,
style: {
stroke: isConditional ? (branch === 'yes' ? '#16a34a' : '#dc2626') : '#94a3b8',
strokeWidth: 2.5,
},
markerEnd: {
type: MarkerType.ArrowClosed,
color: isConditional ? (branch === 'yes' ? '#16a34a' : '#dc2626') : '#94a3b8',
width: 22,
height: 22,
},
});
});
}
// Add edges from steps to their "Add Step" nodes
if (step.type === 'EXIT') return;
if (step.type === 'CONDITION') {
const hasYesBranch = step.outgoingTransitions?.some(
t =>
t.condition && typeof t.condition === 'object' && 'branch' in t.condition && t.condition.branch === 'yes',
);
const hasNoBranch = step.outgoingTransitions?.some(
t => t.condition && typeof t.condition === 'object' && 'branch' in t.condition && t.condition.branch === 'no',
);
if (!hasYesBranch) {
edges.push({
id: `${step.id}-add-yes-edge`,
source: step.id,
target: `${step.id}-add-yes`,
type: 'smoothstep',
animated: false,
label: '✓ Yes',
labelStyle: {fill: '#16a34a', fontWeight: 600, fontSize: 12},
labelBgStyle: {fill: '#fff', fillOpacity: 0.95},
labelBgPadding: [8, 4] as [number, number],
labelBgBorderRadius: 4,
style: {stroke: '#16a34a', strokeWidth: 2.5, strokeDasharray: '5,5'},
markerEnd: {type: MarkerType.ArrowClosed, color: '#16a34a', width: 22, height: 22},
});
}
if (!hasNoBranch) {
edges.push({
id: `${step.id}-add-no-edge`,
source: step.id,
target: `${step.id}-add-no`,
type: 'smoothstep',
animated: false,
label: '✗ No',
labelStyle: {fill: '#dc2626', fontWeight: 600, fontSize: 12},
labelBgStyle: {fill: '#fff', fillOpacity: 0.95},
labelBgPadding: [8, 4] as [number, number],
labelBgBorderRadius: 4,
style: {stroke: '#dc2626', strokeWidth: 2.5, strokeDasharray: '5,5'},
markerEnd: {type: MarkerType.ArrowClosed, color: '#dc2626', width: 22, height: 22},
});
}
} else {
if (!step.outgoingTransitions || step.outgoingTransitions.length === 0) {
edges.push({
id: `${step.id}-add-edge`,
source: step.id,
target: `${step.id}-add`,
type: 'smoothstep',
animated: false,
style: {stroke: '#94a3b8', strokeWidth: 2.5, strokeDasharray: '5,5'},
markerEnd: {type: MarkerType.ArrowClosed, color: '#94a3b8', width: 22, height: 22},
});
}
}
});
return edges;
}, [steps]);
// Apply dagre layout
const {nodes: layoutedNodes, edges: layoutedEdges} = useMemo(() => {
if (rawNodes.length === 0) return {nodes: [], edges: []};
return getLayoutedElements(rawNodes, rawEdges);
}, [rawNodes, rawEdges]);
const [nodes, setNodes, onNodesChange] = useNodesState(layoutedNodes);
const [edges, setEdges, onEdgesChange] = useEdgesState(layoutedEdges);
// Update nodes/edges when layout changes
useEffect(() => {
setNodes(layoutedNodes);
}, [layoutedNodes, setNodes]);
useEffect(() => {
setEdges(layoutedEdges);
}, [layoutedEdges, setEdges]);
// Handle creating a new step from the + node
const handleCreateStep = useCallback(
async (stepType: string) => {
if (!addStepContext?.fromStepId) return;
try {
// Validate that this branch doesn't already have a transition
const fromStep = steps.find(s => s.id === addStepContext.fromStepId);
if (!fromStep) {
toast.error('Parent step not found');
return;
}
// For CONDITION steps, check if the branch already exists
if (fromStep.type === 'CONDITION' && addStepContext.branch) {
const existingBranchTransition = fromStep.outgoingTransitions?.find(t => {
const condition = t.condition;
return (
condition &&
typeof condition === 'object' &&
'branch' in condition &&
condition.branch === addStepContext.branch
);
});
if (existingBranchTransition) {
toast.error(`The ${addStepContext.branch} branch already has a connection`);
return;
}
}
// Create the new step (autoConnect: false because we manually create the transition with branch info)
const newStep = await network.fetch<WorkflowStep, typeof WorkflowSchemas.addStep>(
'POST',
`/workflows/${workflowId}/steps`,
{
type: stepType as WorkflowStep['type'],
name: `New ${stepType.toLowerCase().replace('_', ' ')}`,
position: {x: 0, y: 0}, // Will be auto-positioned by dagre layout
config: {},
autoConnect: false, // We manually create transitions to preserve branch information
},
);
const newStepId = newStep.id;
// Create the transition with proper condition
const condition = addStepContext.branch ? {branch: addStepContext.branch} : null;
const priority = addStepContext.branch === 'yes' ? 0 : addStepContext.branch === 'no' ? 1 : 0;
await network.fetch<unknown, typeof WorkflowSchemas.createTransition>(
'POST',
`/workflows/${workflowId}/transitions`,
{
fromStepId: addStepContext.fromStepId,
toStepId: newStepId,
condition,
priority,
},
);
toast.success('Step added successfully');
setAddStepContext(null);
onUpdate();
// Trigger edit dialog for the new step after a short delay
setTimeout(() => {
const event = new CustomEvent('workflow-edit-step', {detail: {stepId: newStepId}});
window.dispatchEvent(event);
}, 100);
} catch (error) {
toast.error(error instanceof Error ? error.message : 'Failed to add step');
}
},
// eslint-disable-next-line react-hooks/exhaustive-deps
[addStepContext, workflowId, onUpdate],
);
// Get all steps that will be affected by deleting a step (the step itself + all downstream steps)
const getAffectedSteps = useCallback(
(stepId: string): typeof steps => {
const affected = new Set<string>();
const queue = [stepId];
// BFS to find all downstream steps
while (queue.length > 0) {
const currentId = queue.shift()!;
if (affected.has(currentId)) continue;
affected.add(currentId);
const currentStep = steps.find(s => s.id === currentId);
if (currentStep?.outgoingTransitions) {
for (const transition of currentStep.outgoingTransitions) {
if (!affected.has(transition.toStepId)) {
queue.push(transition.toStepId);
}
}
}
}
return steps.filter(s => affected.has(s.id));
},
[steps],
);
const handleDeleteStep = async () => {
if (!stepToDelete) return;
try {
await network.fetch('DELETE', `/workflows/${workflowId}/steps/${stepToDelete}`);
const affectedSteps = getAffectedSteps(stepToDelete);
if (affectedSteps.length > 1) {
toast.success(`Deleted ${affectedSteps.length} steps`);
} else {
toast.success('Step deleted');
}
onUpdate();
} catch (error) {
toast.error(error instanceof Error ? error.message : 'Failed to delete step');
} finally {
setStepToDelete(null);
}
};
// Auto-layout on demand
const handleAutoLayout = useCallback(() => {
const {nodes: newNodes, edges: newEdges} = getLayoutedElements(nodes, edges);
setNodes(newNodes);
setEdges(newEdges);
// Fit view after layout
setTimeout(() => {
reactFlowInstance?.fitView({padding: 0.3});
}, 10);
}, [nodes, edges, setNodes, setEdges, reactFlowInstance]);
if (steps.length === 0) {
return (
<div className="bg-neutral-50 border-2 border-dashed border-neutral-300 rounded-lg p-12 text-center">
<GitBranch className="h-16 w-16 text-neutral-400 mx-auto mb-4" />
<p className="text-neutral-600 font-medium">No workflow steps yet</p>
<p className="text-sm text-neutral-500 mt-2">Add your first step to get started</p>
</div>
);
}
return (
<>
<div className="w-full h-[800px] bg-neutral-50 rounded-lg border border-neutral-200 shadow-inner relative">
<ReactFlow
nodes={nodes}
edges={edges}
onNodesChange={onNodesChange}
onEdgesChange={onEdgesChange}
nodeTypes={nodeTypes}
fitView
fitViewOptions={{
padding: 0.3,
minZoom: 0.5,
maxZoom: 1.2,
}}
minZoom={0.1}
maxZoom={2}
nodesDraggable={true}
nodesConnectable={false}
elementsSelectable={true}
defaultEdgeOptions={{
type: 'smoothstep',
}}
deleteKeyCode={null}
proOptions={{hideAttribution: true}}
>
<Background color="#e5e7eb" gap={16} size={1} />
<Controls
showInteractive={false}
className="bg-white/90 backdrop-blur-sm border border-neutral-200 rounded-lg shadow-lg"
/>
<MiniMap
nodeColor={node => {
const step = steps.find(s => s.id === node.id);
return step ? STEP_TYPE_COLORS[step.type as keyof typeof STEP_TYPE_COLORS] : '#6b7280';
}}
className="bg-white/90 backdrop-blur-sm border border-neutral-200 rounded-lg shadow-lg"
maskColor="rgba(0, 0, 0, 0.05)"
/>
<Panel
position="top-left"
className="bg-white/95 backdrop-blur-sm px-4 py-2.5 rounded-lg shadow-lg border border-neutral-200"
>
<div className="flex items-center gap-3">
<GitBranch className="h-4 w-4 text-neutral-700" />
<div className="text-sm">
<span className="font-semibold text-neutral-900">{steps.length}</span>
<span className="text-neutral-600"> step{steps.length !== 1 ? 's' : ''}</span>
<span className="text-neutral-400 mx-2">·</span>
<span className="font-semibold text-neutral-900">{rawEdges.length}</span>
<span className="text-neutral-600"> connection{rawEdges.length !== 1 ? 's' : ''}</span>
</div>
</div>
</Panel>
<Panel position="top-right" className="flex gap-2">
<button
onClick={handleAutoLayout}
className="bg-white/95 backdrop-blur-sm px-4 py-2 rounded-lg shadow-lg border border-neutral-200 text-sm font-medium text-neutral-700 hover:bg-white hover:text-neutral-900 transition-all"
>
Auto Layout
</button>
</Panel>
{rawEdges.length === 0 && steps.length > 1 && (
<Panel
position="bottom-center"
className="bg-blue-50 border border-blue-200 px-4 py-2.5 rounded-lg shadow-lg"
>
<div className="flex items-center gap-2 text-sm text-blue-900">
<span>💡</span>
<span>Click the + buttons to add and connect steps!</span>
</div>
</Panel>
)}
</ReactFlow>
</div>
{/* Step type picker dialog */}
<Dialog open={!!addStepContext} onOpenChange={open => !open && setAddStepContext(null)}>
<DialogContent className="sm:max-w-md">
<DialogHeader>
<DialogTitle>Add Step</DialogTitle>
</DialogHeader>
<div className="grid grid-cols-2 gap-3 py-4">
{STEP_TYPE_OPTIONS.map(option => {
const Icon = option.icon;
return (
<button
key={option.value}
onClick={() => handleCreateStep(option.value)}
className="flex flex-col items-center gap-2 p-4 rounded-lg border-2 border-neutral-200 hover:border-neutral-400 hover:bg-neutral-50 transition-all group"
style={{
borderColor: 'transparent',
}}
onMouseEnter={e => {
e.currentTarget.style.borderColor = option.color;
}}
onMouseLeave={e => {
e.currentTarget.style.borderColor = 'transparent';
}}
>
<div
className="w-12 h-12 rounded-lg flex items-center justify-center transition-transform group-hover:scale-110"
style={{
backgroundColor: `${option.color}15`,
}}
>
<Icon className="h-6 w-6" style={{color: option.color}} />
</div>
<span className="text-sm font-medium text-neutral-900">{option.label}</span>
</button>
);
})}
</div>
<DialogFooter>
<Button variant="outline" onClick={() => setAddStepContext(null)}>
Cancel
</Button>
</DialogFooter>
</DialogContent>
</Dialog>
{stepToDelete &&
(() => {
const affectedSteps = getAffectedSteps(stepToDelete);
const stepToDeleteData = steps.find(s => s.id === stepToDelete);
const downstreamSteps = affectedSteps.filter(s => s.id !== stepToDelete);
return (
<ConfirmDialog
open={showDeleteDialog}
onOpenChange={setShowDeleteDialog}
onConfirm={handleDeleteStep}
title="Delete Step"
description={
downstreamSteps.length > 0 ? (
<div className="space-y-3">
<p>
Deleting &quot;{stepToDeleteData?.name}&quot; will also delete {downstreamSteps.length} downstream{' '}
{downstreamSteps.length === 1 ? 'step' : 'steps'}:
</p>
<ul className="list-disc list-inside text-sm text-neutral-600 max-h-32 overflow-y-auto bg-neutral-50 p-3 rounded border border-neutral-200">
{downstreamSteps.map(step => (
<li key={step.id}>
{step.name} ({step.type})
</li>
))}
</ul>
<p className="text-sm font-medium text-red-600">This action cannot be undone.</p>
</div>
) : (
`Are you sure you want to delete "${stepToDeleteData?.name}"? This action cannot be undone.`
)
}
confirmText={downstreamSteps.length > 0 ? `Delete ${affectedSteps.length} Steps` : 'Delete'}
variant="destructive"
/>
);
})()}
</>
);
}