/**
 * 汇报要素 —— 自 `~/coding/JCAI_PRD/workbench/_components/ModuleWorkspace.tsx`
 * 的 `ReportModule` 平移;mock 数据换成服务端投影。
 *
 * 「按日 / 周 / 月 / 年**自动**总结此员工的工作——由本人各任务的**任务日志**聚合生成,
 *   确认即提交,**零手工汇报**。」结构化部分零 LLM(事件流骨架 + 归侧分栏)。
 */
import { useState } from 'react';
import { useMutation, useQuery, useQueryClient } from '@tanstack/react-query';
import type { ReportPeriodName, ReportView } from '@contracts';
import { REPORT_PERIOD_LABEL, draftReportRoute, submitReportRoute } from '@contracts';
import { Ico } from '@web-shared/Ico.tsx';
import ScrollArea from '@web-shared/ScrollArea.tsx';
import { call } from '@web-shared/typed-fetch.ts';
import { Chip, DocPanel, Hero, ListEmpty, NoteBand, Section, SidebarHead } from '@web-shared/desk/module-kit.tsx';

const PERIODS: ReadonlyArray<{ k: ReportPeriodName; ico: string }> = [
  { k: 'day', ico: 'calendar-days' },
  { k: 'week', ico: 'calendar-clock' },
  { k: 'month', ico: 'calendar-days' },
  { k: 'year', ico: 'history' },
];

const pct = (v: number): string => `${Math.round(v * 100)}%`;

export function ReportDesk() {
  const queryClient = useQueryClient();
  const [period, setPeriod] = useState<ReportPeriodName>('day');
  const [note, setNote] = useState('');

  const q = useQuery({
    queryKey: ['report', period],
    queryFn: () => call<ReportView>(draftReportRoute, { params: { period } }),
  });
  const report = q.data;
  const submitted = report?.submittedAt !== undefined;

  const submit = useMutation({
    mutationFn: () =>
      call<ReportView>(submitReportRoute, {
        params: { reportId: report!.id },
        body: note.trim() === '' ? {} : { note: note.trim() },
      }),
    onSuccess: () => void queryClient.invalidateQueries({ queryKey: ['report'] }),
  });

  return (
    <div className="workspace">
      <aside className="task-sidebar">
        <SidebarHead icon="bar-chart" title="工作汇报" sub="任务日志聚合 · 零手工汇报" />
        <div className="jc-flt-wrap" aria-label="汇报周期">
          <div className="jc-flt" role="tablist" aria-label="按周期">
            {PERIODS.map((p) => (
              <button key={p.k} className={period === p.k ? 'active' : ''} onClick={() => setPeriod(p.k)}>
                <span>{REPORT_PERIOD_LABEL[p.k]}</span>
              </button>
            ))}
          </div>
        </div>
        <ScrollArea className="jc-sa--fill" vpClassName="task-list">
          {report !== undefined && (
            <button className="jc-mcard selected">
              <span className="jc-mcard-datebox">
                <b>{report.window.from.slice(8, 10)}</b>
                <i>{report.window.from.slice(5, 7)} 月</i>
              </span>
              <span className="jc-mcard-body">
                <span className="jc-mcard-top">
                  <em>{report.title}</em>
                  <Chip tone={submitted ? 'ok' : 'todo'} label={submitted ? '已提交' : '待确认'} pulse={!submitted} />
                </span>
                <strong className="jc-mcard-title jc-wrap">
                  经手 {report.counts.touched} 单 · 放行 {report.counts.released} 单
                </strong>
                <span className="jc-mcard-foot">
                  <Ico name="git-branch" s={12} />
                  {report.counts.logLines} 条动作
                  <i>系统生成</i>
                </span>
              </span>
            </button>
          )}
        </ScrollArea>
      </aside>

      {report === undefined ? (
        <main className="execution-panel jc-panel-card">
          <ListEmpty icon="bar-chart">正在聚合…</ListEmpty>
        </main>
      ) : (
        <DocPanel scrollKey={`${period}:${report.id}`}>
          <Hero
            grad={['#0aa294', '#0a6a64']}
            icon="bar-chart"
            kicker={`汇报 · ${REPORT_PERIOD_LABEL[period]}`}
            title={report.title}
            meta={
              <>
                <Ico name="bot" s={14} />
                <b>系统自动生成</b>
                <span className="jc-dim">由本人各任务的任务日志聚合</span>
              </>
            }
            chip={<Chip tone={submitted ? 'ok' : 'todo'} label={submitted ? '已提交' : '待确认'} pulse={!submitted} />}
          />

          <Section icon="bar-chart" title="度量八指标(零埋点 · 口径挂在归侧标签上)" extra={`共 ${report.counts.logLines} 条日志`}>
            <div className="jc-stats">
              {[
                { ico: 'bot', label: '自主率', v: pct(report.metrics.autonomy) },
                { ico: 'rotate-ccw', label: '纠正率', v: pct(report.metrics.correction) },
                { ico: 'gauge', label: '有效自主率', v: pct(report.metrics.effectiveAutonomy) },
                { ico: 'hand', label: '打扰率', v: report.metrics.interruption.toFixed(1) },
                { ico: 'git-commit', label: 'DMN 覆盖率', v: pct(report.metrics.dmnCoverage) },
                { ico: 'circle-dot', label: '断点率', v: pct(report.metrics.breakpoint) },
              ].map((s) => (
                <div key={s.label} className="jc-stat">
                  <span className="jc-stat-ico">
                    <Ico name={s.ico} s={15} />
                  </span>
                  <span className="jc-stat-v">{s.v}</span>
                  <span className="jc-stat-k">{s.label}</span>
                </div>
              ))}
            </div>
            <NoteBand>
              自主率 = 机器产出 ÷(机器产出 + 人产出),裁决与等待不进分母;它与纠正率
              <b>成对读</b>,复合为有效自主率 —— 单看任一都会被优化坏。
              单位成本 {Math.round(report.metrics.unitCost.tokens)} token /
              {report.metrics.unitCost.minutes.toFixed(1)} 分钟每放行单,分母只认放行通过。
            </NoteBand>
          </Section>

          <Section icon="clock" title="动作明细(结构化日志 · 零 LLM)" extra={`${report.sections.length} 单任务`}>
            {report.sections.map((s) => (
              <div key={s.taskId} className="jc-axis">
                <div className="jc-sec-head">
                  <Ico name="list-checks" s={13} />
                  <span>{s.title}</span>
                  {s.terminalLabel !== undefined && <span className="jc-sec-extra">{s.terminalLabel}</span>}
                </div>
                {s.lines.map((line, i) => (
                  <div key={i} className="jc-axis-row">
                    <span className="jc-axis-node" />
                    <p>{line}</p>
                  </div>
                ))}
              </div>
            ))}
            {report.sections.length === 0 && <span className="jc-dim">这个周期内没有动作</span>}
          </Section>

          <Section icon="pen-line" title="员工补充" extra="可选 · 系统不要求手工写汇报">
            <textarea
              className="jc-sup"
              rows={3}
              disabled={submitted}
              placeholder="补充主观判断或下阶段计划(可留空)"
              value={submitted ? (report.note ?? '') : note}
              onChange={(e) => setNote(e.target.value)}
            />
          </Section>

          <div className="jc-mod-actions">
            {submitted ? (
              <span className="jc-mod-donehint">
                <Ico name="circle-check" s={15} />
                已确认提交 · 汇报进入组织视图
              </span>
            ) : (
              <button type="button" className="card-btn primary" disabled={submit.isPending} onClick={() => submit.mutate()}>
                <Ico name="check" s={13} />
                确认提交
              </button>
            )}
          </div>
        </DocPanel>
      )}
    </div>
  );
}