/**
 * feature `gov-activity` —— 活动库:两维分类 × 包版本 × 资产版本
 *
 * 自 `~/coding/JCAI_PRD/governance/_components/Governance.tsx` 平移:
 * DOM 结构、类名(`g-*` + 色调 `t-*`)与文案原样保留,mock 常量换成服务端投影(README 平移规则 1/2/4)。
 * 区首页只负责导航,治理动作一律落在下钻详情页的**就地确认带**(影响预览三必答)。
 */
import { Ico } from '@web-shared/Ico.tsx';
import { useState } from 'react';
import { useMutation, useQueryClient } from '@tanstack/react-query';
import { installActivityRoute } from '@contracts';
import { ApiCallError, call } from '@web-shared/typed-fetch.ts';
import {
  Acts,
  Card,
  Chip,
  Clear,
  Field,
  Note,
  PageHead,
  Prop,
  QueryGate,
  St,
} from '@web-shared/gov/primitives.tsx';

/** 装入回参 —— 与 `installActivityRoute.output` 同形 */
type InstallReply = {
  accepted: boolean;
  activityId: string;
  packageVersion: string;
  staticFindings: ReadonlyArray<{ code: string; severity: string; message: string }>;
  replay: {
    oldPassStillPass: boolean;
    checked: number;
    skippedNoHistory: boolean;
    regressions: ReadonlyArray<{ taskId: string; detail: string }>;
  };
};
import { PARA } from '@web-shared/gov/tone.ts';
import type { Nav } from '@web-shared/gov/gov-route.ts';
import { useGovActivities } from '@web-shared/gov/gov-api.ts';

export type HomeProps = { tab: string; nav: Nav };

export function LibraryHome({ nav }: HomeProps) {
  const q = useGovActivities();
  const activities = q.data?.activities ?? [];
  return (
    <QueryGate query={q}>
      <>
        <Note>
          活动是任务的<b>定义</b>:编排引用一个活动,运行时就长出一个任务。业务分类 × 活动类型两维平级;
          每活动两条版本序列——包版本走安装两审,资产版本走进化管线。
          <b>审批点与网关不在这里</b>:它们是流程层的系统内置要素,零开发、不入库。
        </Note>
        <InstallCard />
        {activities.length === 0 ? (
          <Clear>货架是空的 —— 装一个活动进来,编排里才引用得到它。</Clear>
        ) : (
          <div className="g-shelf">
            {activities.map((a) => {
              const para = PARA[a.paradigm];
              const latest = a.packageVersions[a.packageVersions.length - 1];
              const effective = a.assetVersions.filter((v) => v.effective).length;
              return (
                <button
                  key={a.activityId}
                  className={'g-tile t-' + para.tone}
                  onClick={() => nav.push({ k: 'act', id: a.activityId })}
                >
                  <span className="g-tile-h">
                    <span className="g-tile-i">
                      <Ico name={para.ico} s={16} />
                    </span>
                    <span className="g-tile-t">
                      <b>{a.name}</b>
                      <em>{a.activityId}</em>
                    </span>
                    <Chip tone={para.tone}>{para.label}</Chip>
                  </span>
                  <span className="g-tile-m">
                    <Chip ico="boxes">{a.category}</Chip>
                    <Chip ico="git-commit">包 v{latest?.version ?? '—'}</Chip>
                  </span>
                  <span className="g-tile-f">
                    {/*
                      只报查得到的事实:资产生效版数与上架状态。
                      「实现到没到位」这一层,清单里没有可靠依据 —— 不在卡上编一个章。
                    */}
                    <St tone={a.enabled ? 'ok' : 'mute'} ico={a.enabled ? 'circle-check' : 'power'}>
                      {a.enabled ? '已上架' : '已停用'}
                    </St>
                    <span className="r">资产生效 {effective}</span>
                  </span>
                </button>
              );
            })}
          </div>
        )}
      </>
    </QueryGate>
  );
}

/* ---------------- ⑥ 工具管理 ---------------- */

export function ActPage({ id }: { id: string }) {
  const q = useGovActivities();
  const a = (q.data?.activities ?? []).find((x) => x.activityId === id);
  if (a === undefined) return <Note>活动不存在。</Note>;
  return (
    <>
      <PageHead
        ico={PARA[a.paradigm].ico}
        tone={PARA[a.paradigm].tone}
        kicker={`活动 · ${a.activityId}`}
        title={a.name}
        chips={
          <>
            <Chip tone={PARA[a.paradigm].tone}>{PARA[a.paradigm].label}</Chip>
            <Chip ico="tag">{a.category}</Chip>
            <Chip tone={a.enabled ? 'ok' : 'mute'}>{a.enabled ? '已启用' : '已停用'}</Chip>
          </>
        }
        desc={PARA[a.paradigm].full + ' —— 活动是系统外开发、经此安装的外装件。'}
      />
      {/*
        契约面 —— 开发这个活动要照着的东西:吃什么、吐什么、用谁的工具、动哪些域对象。
        它排在版本谱系前面:先看清契约,再看装了哪几版。
      */}
      <Card ico="file-text" title="契约面 · 开发它要照着的" extra={`调人预算 ${a.contract.humanCallBudget} 次`}>
        <Prop ico="arrow-left-right" title="入参" extra={`${a.contract.inputFields.length} 个字段`}>
          {a.contract.inputFields.length === 0 ? (
            <Clear>不吃结构化入参 —— 只凭委托消息启动。</Clear>
          ) : (
            <div className="g-rows">
              {a.contract.inputFields.map((f) => (
                <div key={f.name}>
                  <em>
                    {f.name}
                    {f.required && <Chip tone="warn">必填</Chip>}
                  </em>
                  <b className="mono">{f.type}</b>
                </div>
              ))}
            </div>
          )}
        </Prop>
        <Prop ico="send" title="输出口" extra="口名 + 载荷字段即下游可衔接的全部">
          <div className="g-rows">
            {a.contract.outputPorts.map((port) => (
              <div key={port.name}>
                <em>{port.name}</em>
                <b className="mono">{port.fields.join(' · ') || '(无字段)'}</b>
              </div>
            ))}
            {a.contract.outputPorts.length === 0 && <Clear>没有声明输出口 —— 下游无从衔接,发布会被拦。</Clear>}
          </div>
        </Prop>
        <Prop ico="wrench" title="声明的依赖" extra="授权在白名单与契约,不在活动代码">
          <div className="g-rows">
            <div>
              <em>工具</em>
              <b className="mono">{a.contract.tools.join(' · ') || '(不调工具)'}</b>
            </div>
            <div>
              <em>模型</em>
              <b className="mono">{a.contract.models.join(' · ') || '(不调模型)'}</b>
            </div>
            <div>
              <em>岗位</em>
              <b className="mono">{a.contract.roles.join(' · ') || '(未声明)'}</b>
            </div>
            <div>
              <em>域对象</em>
              <b className="mono">{a.contract.objects.join(' · ') || '(不读写台账)'}</b>
            </div>
          </div>
        </Prop>
      </Card>
      <Card ico="package" title="包版本 · 安装两审">
        <div className="g-rows">
          {a.packageVersions.map((p) => (
            <div key={p.version}>
              <em>v{p.version}</em>
              <b className="mono">
                {p.state} · {p.installedAt.slice(0, 16).replace('T', ' ')}
              </b>
            </div>
          ))}
        </div>
      </Card>
      <Card ico="trending-up" title="资产版本 · 进化管线">
        <div className="g-rows">
          {a.assetVersions.map((v, i) => (
            <div key={i}>
              <em>
                {v.kind} v{v.version}
              </em>
              <b className="mono">{v.effective ? '生效中' : '历史'}</b>
            </div>
          ))}
          {a.assetVersions.length === 0 && <Clear>尚无资产版本。</Clear>}
        </div>
      </Card>
    </>
  );
}

/* ---------------- 装入 / 换版(安装通道) ---------------- */

/**
 * 开发完一个活动,从这里装进来 —— **无代码通道**(ADR-004):交的是清单 + .js 产物,都是数据。
 *
 * 两审在服务端跑:静态审读清单,回放审重演历史(首装无历史即免)。
 * 恒为新增、版本并存:装入不覆盖旧版本,在途任务按其启动时版本跑完。
 */
function InstallCard() {
  const queryClient = useQueryClient();
  const [open, setOpen] = useState(false);
  const [manifestText, setManifestText] = useState('');
  const [artifact, setArtifact] = useState('');

  const install = useMutation({
    mutationFn: () =>
      call<InstallReply>(installActivityRoute, {
        body: { manifest: JSON.parse(manifestText) as unknown, artifact },
      }),
    onSuccess: (out) => {
      if (out.accepted) {
        void queryClient.invalidateQueries({ queryKey: ['gov', 'activities'] });
        setOpen(false);
      }
    },
  });

  const pick = (setter: (text: string) => void) => async (e: React.ChangeEvent<HTMLInputElement>) => {
    const file = e.target.files?.[0];
    if (file !== undefined) setter(await file.text());
  };

  /** 两审未过的结论:412 走的是 ApiCallError,详情在 detail 里 */
  const rejected =
    install.error instanceof ApiCallError && install.error.status === 412
      ? (install.error.detail as InstallReply | undefined)
      : install.data?.accepted === false
        ? install.data
        : undefined;

  if (!open) {
    return (
      <Card
        ico="package"
        title="装入 / 换版"
        extra={
          <button className="g-btn primary" onClick={() => setOpen(true)}>
            装一个活动
          </button>
        }
      >
        </Card>
    );
  }

  return (
    <Card ico="package" title="装入 / 换版">
      <Prop ico="file-text" title="清单 manifest.json" extra="身份 / 七件契约 / 声明 / 资产初始版 / 样例集 / 代码入口">
        <Field k="选文件" hint="活动包 dist/manifest.json">
          <input className="g-input" type="file" accept=".json,application/json" onChange={pick(setManifestText)} />
        </Field>
        <Field k="或直接粘贴">
          <textarea
            className="g-input"
            rows={4}
            value={manifestText}
            placeholder='{ "identity": { "activityId": "rfq-intake", … } }'
            onChange={(e) => setManifestText(e.target.value)}
          />
        </Field>
      </Prop>

      <Prop ico="terminal" title="产物 index.js" extra="只当数据存 —— 不 import、不 eval">
        <Field k="选文件" hint="活动包 dist/index.js">
          <input className="g-input" type="file" accept=".js,.mjs,text/javascript" onChange={pick(setArtifact)} />
        </Field>
        <Field k="或直接粘贴">
          <textarea
            className="g-input"
            rows={3}
            value={artifact}
            placeholder="export default defineActivity({ … })"
            onChange={(e) => setArtifact(e.target.value)}
          />
        </Field>
      </Prop>

      {rejected !== undefined && (
        <Note tone="warn">
          <b>两审未过,没有上架。</b>
          {rejected.staticFindings.length > 0 && (
            <> 静态审:{rejected.staticFindings.map((f) => f.message).join(';')}。</>
          )}
          {rejected.replay.regressions.length > 0 && (
            <> 回放审:{rejected.replay.regressions.map((r) => `${r.taskId} ${r.detail}`).join(';')}。</>
          )}
        </Note>
      )}
      {install.data?.accepted === true && (
        <Note tone="ok">
          已装入 {install.data.activityId} v{install.data.packageVersion} —— 静态审{' '}
          {install.data.staticFindings.length} 条提示;回放审
          {install.data.replay.skippedNoHistory ? '免(无历史)' : `查了 ${install.data.replay.checked} 单`}。
        </Note>
      )}

      <Acts
        align="end"
        items={[
          { label: '取消', ico: 'x', onClick: () => setOpen(false) },
          {
            label: install.isPending ? '两审中…' : '装入并送审',
            ico: 'circle-check',
            primary: true,
            disabled: install.isPending || manifestText.trim() === '' || artifact.trim() === '',
            ask: {
              title: '经安装通道装入活动包',
              note: <Note>无代码通道:交的是数据。两审过了才上架;不过审会把是哪一条拦的说清楚。</Note>,
              impact: {
                who: '此后新起的任务用新包版本;在途任务按启动时版本跑完',
                undo: '版本并存,可停用回退',
                when: '确认后当场跑两审',
              },
              okLabel: '确认装入',
              onOk: () => install.mutate(),
            },
          },
        ]}
      />
    </Card>
  );
}