"use client"

// The approval queue: what a run's tool asked a person to decide. The panel renders the EXACT
// stored proposed arguments — a pretty-printed JSON of what the tool was called with — never a
// model's narration of them, and it carries the AI disclosure a reviewer reads before deciding.

import { AiDisclosureBadge, type ProjectSlugs, useTransport } from "@conusai-kit/ui"
import { type ReactElement, useState } from "react"
import type { ApprovalView } from "../contract/index.js"

export interface ApprovalQueueLabels {
  readonly heading: string
  readonly empty: string
  readonly proposed: string
  readonly review: string
  readonly approve: string
  readonly reject: string
  readonly decided: string
  readonly disclosure: string
  readonly failed: string
}

export function ApprovalQueue({
  slugs,
  approvals,
  labels,
}: {
  slugs: ProjectSlugs
  approvals: readonly ApprovalView[]
  labels: ApprovalQueueLabels
}): ReactElement {
  const { call, describe } = useTransport()
  const [busy, setBusy] = useState<string | null>(null)
  const [message, setMessage] = useState<string | null>(null)

  const decide = async (approval: ApprovalView, decision: "approve" | "reject"): Promise<void> => {
    setBusy(`${approval.runId}:${approval.stepKey}`)
    setMessage(null)
    try {
      await call("agent.approval.review", { ...slugs, runId: approval.runId, stepKey: approval.stepKey, decision })
      setMessage(labels.decided)
      window.location.reload()
    } catch (error) {
      setMessage(labels.failed.replace("{detail}", describe(error)))
    } finally {
      setBusy(null)
    }
  }

  return (
    <section aria-labelledby="approvals-heading">
      <h2 id="approvals-heading">{labels.heading}</h2>
      {approvals.length === 0 ? <p>{labels.empty}</p> : null}
      {approvals.map((approval) => (
        <article key={`${approval.runId}:${approval.stepKey}`} aria-label={approval.tool}>
          <h3>{approval.tool}</h3>
          <p>{approval.goal}</p>
          <AiDisclosureBadge label={labels.disclosure} />
          <h4>{labels.proposed}</h4>
          <pre>{JSON.stringify(approval.arguments, null, 2)}</pre>
          <div>
            <button type="button" disabled={busy !== null} onClick={() => void decide(approval, "approve")}>
              {labels.approve}
            </button>
            <button type="button" disabled={busy !== null} onClick={() => void decide(approval, "reject")}>
              {labels.reject}
            </button>
            {approval.reviewUrl !== null ? (
              <a href={approval.reviewUrl} target="_blank" rel="noreferrer">
                {labels.review}
              </a>
            ) : null}
          </div>
        </article>
      ))}
      {message !== null ? (
        <p role="status" aria-live="polite">
          {message}
        </p>
      ) : null}
    </section>
  )
}