/**
 * 统一报价 A4 · 成本定价 —— 活动包代码入口(ADR-004)。
 *
 * flow 活动:下一步由步序声明给定。本文件只做声明装不下的两件事 ——
 * 视图流控,与「结论不可静默覆写」的呈现:P-02 拦下的条目必须显式呈现给人。
 */
import { defineActivity } from '@sdk';
import type { ActivityBase, ActivityOutcome } from '@sdk';

const DRAFT = 'quote_pricing.draft';

export default defineActivity({
  name: 'quote-pricing',
  paradigm: 'flow',

  async run(base: ActivityBase): Promise<ActivityOutcome> {
    const items = await base.ledger.read(DRAFT);
    const priced = items.filter((r) => typeof r['quoted_price'] === 'number');
    // 底价门禁 P-02 拦下的条目 —— DMN 结论是**约束性输入**,不得静默覆写
    const blocked = items.filter((r) => String(r['disposition'] ?? '').includes('拦截'));

    await base.interaction.pushView([
      {
        t: 'kv',
        title: '定价概览',
        items: [
          { k: '条目', v: `${items.length} 条` },
          { k: '已定价', v: `${priced.length} 条` },
          { k: '底价门禁拦下', v: `${blocked.length} 条` },
        ],
      },
      {
        t: 'table',
        title: '报价草案',
        cols: ['PN', '拟报单价', '毛利率', '偏离度', '门禁处置'],
        rows: items.map((r) => [
          String(r['pn'] ?? ''),
          fmt(r['quoted_price']),
          pct(r['margin']),
          pct(r['deviation']),
          String(r['disposition'] ?? '待判'),
        ]),
        linkDonut: {
          col: 4,
          title: '门禁分布',
          map: [
            { match: '直接放行', label: '直接放行', tone: 'ok' },
            { match: 'PM', label: 'PM 附理由', tone: 'warn' },
            { match: '拦截', label: '拦截', tone: 'danger' },
          ],
        },
      },
    ]);

    if (priced.length < items.length) {
      await base.interaction.say(`还有 ${items.length - priced.length} 条未定价,继续按利润模型 P-01 求值。`, 'conclusion');
      return { kind: 'await', reason: '等待定价步完成' };
    }

    if (blocked.length > 0) {
      // 超出授权边界 → 走「人 · 决策」,不自行破线
      await base.interaction.say(
        `${blocked.length} 条低于底价 20% 以上,已被底价门禁 P-02 拦下 —— 需要人裁决回调还是注明理由。`,
        'criterion',
      );
      return { kind: 'await', reason: '等待超限条目的人裁决' };
    }

    await base.interaction.say(`${items.length} 条已全部定价且过底价门禁,可提交审批。`, 'criterion');
    return { kind: 'submit', deliverable: 'quote-draft', rationale: '全条目带偏离度,底价门禁全过' };
  },
});

function fmt(value: unknown): string {
  return typeof value === 'number' ? value.toFixed(2) : '—';
}

function pct(value: unknown): string {
  return typeof value === 'number' ? `${(value * 100).toFixed(1)}%` : '—';
}