import { useState } from "react";
import { runDemo } from "../content/api";
import type { DemoResult, SimpleWorkflowCard, WorkflowCard } from "../content/types";

interface WorkflowShowcaseProps {
  demoWorkflows: WorkflowCard[];
  creatorWorkflows: SimpleWorkflowCard[];
  enterpriseWorkflows: SimpleWorkflowCard[];
  demoMode: boolean;
}

export function WorkflowShowcase({
  demoWorkflows,
  creatorWorkflows,
  enterpriseWorkflows,
  demoMode,
}: WorkflowShowcaseProps) {
  const [selectedId, setSelectedId] = useState<string>(demoWorkflows[0]?.id ?? "");
  const [result, setResult] = useState<DemoResult["result"] | null>(null);
  const [loading, setLoading] = useState(false);

  async function handleRun(workflowId: string) {
    setSelectedId(workflowId);
    setLoading(true);
    try {
      const response = await runDemo(workflowId);
      setResult(response.result);
    } finally {
      setLoading(false);
    }
  }

  return (
    <div className="workflow-stack">
      <div className="demo-workbench">
        <div className="workbench-copy">
          <h3>Controlled demo workflows</h3>
          <p>
            {demoMode
              ? "Demo responses are simulated from local metadata so the Space remains polished without private infrastructure."
              : "Responses can be switched to live behavior later without changing the surface model."}
          </p>
        </div>
        <div className="workflow-grid">
          {demoWorkflows.map((workflow) => (
            <article key={workflow.id} className="workflow-card">
              <div className="workflow-head">
                <h4>{workflow.title}</h4>
                <span className="route-pill">{workflow.route}</span>
              </div>
              <p>{workflow.summary}</p>
              <p className="workflow-outcome">{workflow.outcome}</p>
              <button
                type="button"
                className="button ghost"
                onClick={() => handleRun(workflow.id)}
                disabled={loading && selectedId === workflow.id}
              >
                {loading && selectedId === workflow.id ? "Running..." : "Preview demo"}
              </button>
            </article>
          ))}
        </div>
        <div className="demo-console">
          <div className="console-head">
            <h4>Demo console</h4>
            <span>{selectedId || "select a workflow"}</span>
          </div>
          {result ? (
            <div className="console-body">
              <strong>{result.headline}</strong>
              <p>{result.details}</p>
              <code>{result.artifact}</code>
            </div>
          ) : (
            <div className="console-body muted">
              <p>Select a workflow to view the simulated output contract.</p>
            </div>
          )}
        </div>
      </div>

      <div className="lane-grid">
        <div className="lane-card">
          <h3>Creator workflows</h3>
          {creatorWorkflows.map((workflow) => (
            <article key={workflow.title}>
              <h4>{workflow.title}</h4>
              <p>{workflow.summary}</p>
            </article>
          ))}
        </div>
        <div className="lane-card">
          <h3>Enterprise / VoiceOps workflows</h3>
          {enterpriseWorkflows.map((workflow) => (
            <article key={workflow.title}>
              <h4>{workflow.title}</h4>
              <p>{workflow.summary}</p>
            </article>
          ))}
        </div>
      </div>
    </div>
  );
}