import { memo, useCallback } from "react";
import { toast } from "sonner";
import { Trash2, Pencil } from "lucide-react";
import type { Lancamento } from "../types";
import { formatBRL, formatData } from "@/lib/format";
import { removerLancamento } from "../api/repo";

interface LancamentoListProps {
  items: Lancamento[];
  onEditar: (l: Lancamento) => void;
}

export function LancamentoList({ items, onEditar }: LancamentoListProps) {
  if (items.length === 0) {
    return (
      <div className="rounded-2xl border border-dashed border-border bg-card/50 p-6 text-center text-sm text-muted-foreground">
        Nenhum lançamento encontrado.
      </div>
    );
  }
  return (
    <ul className="space-y-2">
      {items.map((l) => (
        <Linha key={l.id} l={l} onEditar={onEditar} />
      ))}
    </ul>
  );
}

interface LinhaProps {
  l: Lancamento;
  onEditar: (l: Lancamento) => void;
}

const Linha = memo(function Linha({ l, onEditar }: LinhaProps) {
  const onRemover = useCallback(async () => {
    if (l.id == null) return;
    if (!confirm(`Remover lançamento "${l.categoria}" de ${formatData(l.data)}?`)) return;
    try {
      await removerLancamento(l.id);
      toast.success("Lançamento removido");
    } catch (err) {
      toast.error("Falha ao remover", { description: String(err) });
    }
  }, [l]);

  return (
    <li className="rounded-xl border border-border bg-card p-3">
      <div className="flex items-start justify-between gap-2">
        <div className="min-w-0 flex-1">
          <div className="flex items-center gap-2">
            <span className="truncate text-sm font-semibold text-foreground">
              {l.categoria}
            </span>
          </div>
          <p className="mt-0.5 text-xs text-muted-foreground">
            {formatData(l.data)}
            {l.descricao && ` · ${l.descricao}`}
          </p>
          {l.fornecedorCliente && (
            <p className="text-xs text-muted-foreground">{l.fornecedorCliente}</p>
          )}
        </div>
        <div className="flex flex-col items-end gap-2">
          <span
            className={
              l.tipo === "entrada"
                ? "text-sm font-bold text-success"
                : "text-sm font-bold text-destructive"
            }
          >
            {l.tipo === "entrada" ? "+" : "−"} {formatBRL(l.valor)}
          </span>
          <div className="flex gap-1">
            <button
              onClick={() => onEditar(l)}
              className="rounded-md p-1.5 text-muted-foreground hover:bg-secondary hover:text-foreground"
              aria-label="Editar"
            >
              <Pencil className="size-3.5" />
            </button>
            <button
              onClick={onRemover}
              className="rounded-md p-1.5 text-muted-foreground hover:bg-destructive/10 hover:text-destructive"
              aria-label="Remover"
            >
              <Trash2 className="size-3.5" />
            </button>
          </div>
        </div>
      </div>
    </li>
  );
});