import type { Metadata } from "next";
import { redirect } from "next/navigation";

import { listLeads } from "@/lib/appwrite/lead-queries";
import { createAdminClient } from "@/lib/appwrite/server";
import { requireTenant } from "@/lib/appwrite/tenant-guard";

import { LeadsBoard } from "./components/leads-board";
import type { LeadRow } from "./components/types";

export const metadata: Metadata = {
  title: "İşletmem — Müşteri Adayları",
};

export default async function LeadsPage() {
  let ctx;
  try {
    ctx = await requireTenant();
  } catch {
    redirect("/onboarding");
  }

  const { teams } = createAdminClient();
  const [leads, membershipsResult] = await Promise.all([
    listLeads(ctx.tenantId),
    teams.listMemberships(ctx.tenantId).catch(() => ({ memberships: [] })),
  ]);

  const memberMap = new Map(
    membershipsResult.memberships
      .filter((m) => m.confirm)
      .map((m) => [m.userId, m.userName || m.userEmail]),
  );

  const members = membershipsResult.memberships
    .filter((m) => m.confirm)
    .map((m) => ({ id: m.userId, name: m.userName || m.userEmail, email: m.userEmail }));

  const leadRows: LeadRow[] = leads.map((l) => ({
    id: l.$id,
    name: l.name,
    contactName: l.contactName ?? "",
    email: l.email ?? "",
    phone: l.phone ?? "",
    source: l.source ?? "other",
    status: l.status ?? "cold",
    estimatedValue: l.estimatedValue ?? null,
    currency: l.currency ?? "TRY",
    notes: l.notes ?? "",
    assigneeId: l.assigneeId ?? "",
    assigneeName: l.assigneeId ? (memberMap.get(l.assigneeId) ?? "") : "",
    lastContactAt: l.lastContactAt ?? null,
    nextFollowUpAt: l.nextFollowUpAt ?? null,
    calendarEventId: l.calendarEventId ?? null,
    customerId: l.customerId ?? null,
    createdAt: l.$createdAt,
  }));

  return (
    <div className="flex-1 space-y-4 px-6 pt-0">
      <div className="flex flex-col gap-1">
        <p className="text-muted-foreground text-sm">{ctx.settings?.companyName ?? "Çalışma alanı"}</p>
        <h1 className="text-2xl font-bold tracking-tight">Müşteri Adayları</h1>
        <p className="text-muted-foreground text-sm">
          Müşteri adaylarını takip edin, ısıtın ve müşteriye dönüştürün.
        </p>
      </div>

      <LeadsBoard
        leads={leadRows}
        members={members}
        currentUserId={ctx.user.id}
      />
    </div>
  );
}