"use client";

import { useQuery } from "convex/react";
import { api } from "@/convex/_generated/api";
import { DEFAULT_TENANT_ID } from "@/lib/constants";
import { mapTicketWithDetailsFromServer } from "@/lib/mappers/ticket";
import type { Id } from "@/convex/_generated/dataModel";
import type { TicketWithDetails } from "@/lib/schemas/ticket";
import { Card, CardContent } from "@/components/ui/card";
import { Skeleton } from "@/components/ui/skeleton";
import { TicketComments } from "@/components/tickets/ticket-comments.rich";
import { TicketDetailsPanel } from "@/components/tickets/ticket-details-panel";
import { TicketSummaryHeader } from "@/components/tickets/ticket-summary-header";
import { TicketTimeline } from "@/components/tickets/ticket-timeline";
import { useAuth } from "@/lib/auth-client";

export function TicketDetailView({ id }: { id: string }) {
  const { convexUserId } = useAuth();
  const canLoadTicket = Boolean(convexUserId);
  const t = useQuery(
    api.tickets.getById,
    canLoadTicket
      ? {
          tenantId: DEFAULT_TENANT_ID,
          id: id as Id<"tickets">,
          viewerId: convexUserId as Id<"users">,
        }
      : "skip"
  );
  const isLoading = !convexUserId || t === undefined;

  if (isLoading) {
    return (
      <div className="flex flex-col gap-6 px-4 lg:px-6">
        <Card className="rounded-2xl border border-slate-200 bg-white shadow-sm">
          <CardContent className="space-y-3 p-6">
            <div className="flex items-center gap-2"><Skeleton className="h-5 w-24" /><Skeleton className="h-5 w-20" /></div>
            <Skeleton className="h-7 w-2/3" />
            <Skeleton className="h-4 w-1/2" />
          </CardContent>
        </Card>
        <div className="grid gap-6 lg:grid-cols-[2fr_1fr]">
          <Card className="rounded-2xl border border-slate-200 bg-white shadow-sm">
            <CardContent className="space-y-4 p-6">
              {Array.from({ length: 3 }).map((_, i) => (
                <div key={i} className="space-y-2">
                  <div className="flex items-center gap-2"><Skeleton className="h-4 w-28" /><Skeleton className="h-3 w-24" /></div>
                  <Skeleton className="h-16 w-full" />
                </div>
              ))}
            </CardContent>
          </Card>
          <Card className="rounded-2xl border border-slate-200 bg-white shadow-sm">
            <CardContent className="space-y-3 p-6">
              {Array.from({ length: 5 }).map((_, i) => (<Skeleton key={i} className="h-3 w-full" />))}
            </CardContent>
          </Card>
        </div>
      </div>
    );
  }

  if (!t) {
    return (
      <div className="flex flex-col gap-6 px-4 lg:px-6">
        <Card className="rounded-2xl border border-slate-200 bg-white shadow-sm">
          <CardContent className="space-y-3 p-6">
            <p className="text-base font-semibold text-neutral-900">Ticket não encontrado</p>
            <p className="text-sm text-neutral-600">O ticket solicitado não existe ou você não tem permissão para visualizá-lo.</p>
          </CardContent>
        </Card>
      </div>
    );
  }

  const ticket = mapTicketWithDetailsFromServer(t as unknown) as TicketWithDetails | null;

  if (!ticket) {
    return (
      <div className="flex flex-col gap-6 px-4 lg:px-6">
        <Card className="rounded-2xl border border-slate-200 bg-white shadow-sm">
          <CardContent className="space-y-3 p-6">
            <p className="text-base font-semibold text-neutral-900">Ticket não encontrado</p>
            <p className="text-sm text-neutral-600">O ticket solicitado não existe ou você não tem permissão para visualizá-lo.</p>
          </CardContent>
        </Card>
      </div>
    );
  }
  return (
    <div className="flex flex-col gap-6 px-4 lg:px-6">
      <TicketSummaryHeader ticket={ticket} />
      <div className="grid gap-6 lg:grid-cols-[2fr_1fr]">
        <div className="space-y-6">
          <TicketComments ticket={ticket} />
          <TicketTimeline ticket={ticket} />
        </div>
        <TicketDetailsPanel ticket={ticket} />
      </div>
    </div>
  );
}