"use client";

import { SIGN_LABELS, TIER_LABELS, type SegmentSummary } from "@/lib/rectification-agentic/core/segment-summary";
import type { RangeDeliveryProjection } from "@/lib/rectification-agentic/v9/divergence-panel";
import { RECTIFICATION_USER_COPY, REPRESENTATIVE_MINUTE_DISCLAIMER } from "@/lib/rectification-agentic/user-copy";
import { SWITCH_TO_RECTIFIED_LABEL } from "@/lib/rectification-agentic/birth-time-provenance";
import { RectificationVerificationReport } from "@/components/rectification-verification-report";
import { protectVargaReport } from "@/lib/rectification-agentic/v9/delivery-window";
import { unknownProductDeliveryCopy } from "@/lib/rectification-agentic/v9/product-delivery";

export function RectificationSegmentDelivery({ summary, delivery, rangeLabel, selection, resultId, busy, accepting, onAccept, adoptLocked, markdown, candidateDate, canAdopt = false }: Readonly<{
  summary: SegmentSummary | null;
  delivery: RangeDeliveryProjection;
  rangeLabel: string | null;
  selection?: Readonly<{ resultId: string; candidateId: string; date: string; time: string; contract: "segment-v1" }> | null;
  resultId: string;
  busy: boolean;
  accepting: boolean;
  onAccept: (candidateId: string) => void;
  adoptLocked?: boolean;
  markdown?: string | null;
  candidateDate?: string;
  canAdopt?: boolean;
}>) {
  const adoption = summary?.adoption_minute;
  const candidateId = delivery.representative_candidate_id;
  const exactAdoption = Boolean(adoption?.date && selection?.contract === "segment-v1" && selection.resultId === resultId
    && selection.candidateId === candidateId && selection.date === adoption.date && selection.time === adoption.time);
  // BUG-1173: a post-adopt answer can move the server's adoption minute. Only when the adopted
  // minute left the verdict (server `readopt_minute`) does the button come back, as 「改用 HH:MM」.
  const readopt = delivery.readopt_minute ?? null;
  const priorAdoption = selection?.contract === "segment-v1" && selection.resultId === resultId ? selection : null;
  const adopted = exactAdoption || Boolean(priorAdoption && !readopt);
  const charts = summary?.charts.filter((chart) => chart.tier !== "blocked") ?? [];
  const blocked = summary?.charts.some((chart) => chart.tier === "blocked") === true;
  const reportBlocked = !summary || blocked;
  const showAdopt = Boolean(canAdopt && adoption && candidateId && !adoptLocked);
  return (
    <section className="rectification-candidates rectification-range-delivery" aria-label="生时校正盘型">
      <div className="rectification-candidates-heading"><strong>用哪张盘解读</strong></div>
      <ul className="rectification-range-delivery__shared">
        {charts.map((chart) => (
          <li key={chart.chart}>
            {chart.chart} 上升：{chart.sign === null ? "分不开" : SIGN_LABELS[chart.sign]}
            （{TIER_LABELS[chart.tier]}{chart.tied ? "，头段并列" : ""}）
            {chart.tier !== "certain" && chart.alternatives.length > 0
              ? `，备选：${chart.alternatives.map((sign) => SIGN_LABELS[sign]).join("、")}` : ""}
          </li>
        ))}
      </ul>
      {blocked ? <p className="rectification-range-delivery__narrow">分盘解读需要更准的出生时间</p> : null}
      {rangeLabel ? <p className="rectification-range-delivery__muted">分钟范围 {rangeLabel}</p> : null}
      {!summary && delivery.product_delivery ? <p className="rectification-range-delivery__indistinct">{unknownProductDeliveryCopy(delivery.product_delivery)}</p> : null}
      {summary && !summary.scan_complete ? <p className="rectification-range-delivery__muted">完整窗口扫描暂不可用；候选盘型不能证明全窗一致。{candidateDate ? `候选代表日期 ${candidateDate}；原填报日期保留。` : ""}</p> : null}
      {adoptLocked ? <p className="rectification-range-delivery__narrow">{RECTIFICATION_USER_COPY.rangeDeliveryAdoptLocked}</p> : null}
      {delivery.provenance_line ? <p className="rectification-range-delivery__provenance">{delivery.provenance_line}</p> : null}
      {showAdopt && adoption && candidateId ? (
        <>
          <p className="rectification-range-delivery__muted">采用后按 {adoption.date ? `${adoption.date} ` : ""}{adoption.time} 排盘；原填报资料保留。</p>
          <button type="button" className="rectification-range-delivery__accept" disabled={busy || adopted}
            aria-pressed={adopted} onClick={() => onAccept(candidateId)}>
            {accepting ? RECTIFICATION_USER_COPY.rangeDeliveryAdopting : adopted ? RECTIFICATION_USER_COPY.rangeDeliveryAdopted
              : readopt && priorAdoption ? `改用 ${readopt}`
                : delivery.record_conflict ? SWITCH_TO_RECTIFIED_LABEL : `改用 ${charts.map((chart) => chart.chart).join(" + ")} 盘解读`}
          </button>
          {readopt && priorAdoption && !adopted ? (
            <p className="rectification-range-delivery__switch-note">现在按 {priorAdoption.time} 排盘；改用后按 {readopt} 排盘，原填报资料保留。</p>
          ) : null}
          {delivery.record_conflict && !adopted ? (
            <p className="rectification-range-delivery__switch-note">
              选它之后，排盘会从出生记录时间 {delivery.record_conflict.reported_time} 换成 {adoption.date ? `${adoption.date} ` : ""}{adoption.time}。
            </p>
          ) : null}
        </>
      ) : adopted ? (
        <p className="rectification-range-delivery__muted">{RECTIFICATION_USER_COPY.rangeDeliveryAdopted}</p>
      ) : null}
      <p className="rectification-range-delivery__boundary">{delivery.boundary || REPRESENTATIVE_MINUTE_DISCLAIMER}</p>
      <RectificationVerificationReport markdown={protectVargaReport(markdown === undefined ? delivery.verification_markdown : markdown, reportBlocked, delivery.product_delivery?.targets ?? summary?.targets,
        !summary ? "完整窗口扫描暂不可用；不能提供分盘解读推荐。" : undefined)} />
    </section>
  );
}