import { auth } from "./lib/auth";
import { ownerFilter } from "./lib/authz";
import { getClosed, getSystemUsers } from "./lib/queries";
import { TIPOS_META, EJECUTIVOS_VENTA } from "./lib/derive";
import { getMetas, getMetaGlobal } from "./lib/metas";
import LoginPrompt from "./components/LoginPrompt";
import OwnerControl from "./components/OwnerControl";
import ErrorNotice from "./components/ErrorNotice";
import { money2 } from "./lib/constants";

export const dynamic = "force-dynamic";

function currentMonth() {
  const d = new Date();
  return `${d.getFullYear()}-${String(d.getMonth() + 1).padStart(2, "0")}`;
}

export default async function Home({ searchParams }) {
  const session = await auth();
  if (!session?.email) return <LoginPrompt />;

  const { owner } = await searchParams;
  const scope = ownerFilter(session, owner);
  const mes = currentMonth();

  let won, lost, allUsers;
  try {
    [won, lost, allUsers] = await Promise.all([
      getClosed(session.accessToken, scope, 1, mes),
      getClosed(session.accessToken, scope, 2, mes),
      getSystemUsers(session.accessToken),
    ]);
  } catch (error) {
    return <ErrorNotice error={error} />;
  }
  const owners = allUsers.filter((u) => EJECUTIVOS_VENTA.includes(u.name));

  const sumW = won.reduce((a, o) => a + (o.actual || 0), 0);
  const sumWMeta = won
    .filter((o) => TIPOS_META.includes(o.tipo))
    .reduce((a, o) => a + (o.actual || 0), 0);
  const arpu = won.length ? sumW / won.length : 0;
  const conv = won.length + lost.length ? Math.round((won.length / (won.length + lost.length)) * 100) : 0;

  const metas = getMetas();
  const viewedEmail = scope.locked ? session.email : scope.email;
  const metaDen = viewedEmail ? metas[viewedEmail.toLowerCase()] || null : getMetaGlobal();
  const cumpl = metaDen ? Math.round((sumWMeta / metaDen) * 100) : null;

  return (
    <div style={{ padding: 24 }}>
      <div style={{ display: "flex", justifyContent: "space-between", alignItems: "center", flexWrap: "wrap", gap: 12 }}>
        <h2>Resumen — {mes}</h2>
        <OwnerControl
          owners={owners}
          current={scope.locked ? session.email : scope.email}
          locked={scope.locked}
          lockedLabel={session.email}
        />
      </div>

      <div className="kpis">
        <div className="kpi">
          <span className="n">{money2(sumW)}</span>
          <span className="l">Ingresos reales (ganadas)</span>
        </div>
        <div className="kpi">
          <span className="n">{won.length}</span>
          <span className="l">Oportunidades ganadas</span>
        </div>
        <div className="kpi">
          <span className="n">{money2(arpu)}</span>
          <span className="l">ARPU logrado</span>
        </div>
        <div className="kpi">
          <span className="n pierde">{lost.length}</span>
          <span className="l">Oportunidades perdidas</span>
        </div>
        <div className="kpi">
          <span className="n">{conv}%</span>
          <span className="l">% Conversión (ganadas/total)</span>
        </div>
        <div className="kpi">
          <span className={cumpl != null && cumpl < 70 ? "n pierde" : "n"}>
            {cumpl != null ? cumpl + "%" : "n/d"}
          </span>
          <span className="l">
            Cumplimiento de meta{metaDen ? ` (${money2(metaDen)})` : " (sin meta asignada)"}
          </span>
        </div>
      </div>

      <p className="hint">
        Cumplimiento de meta cuenta solo Venta - Cliente Nuevo, Up-Selling, Cross-Selling y Plan de Cuenta (se
        excluyen renovaciones y SAC).
      </p>
    </div>
  );
}