import { useState } from "react";
import { useAlert } from "../context/AlertContext";
import { useAuth } from "../context/AuthContext";
import { Link, useNavigate } from "react-router-dom";
import { motion, AnimatePresence } from "framer-motion";
import ConfirmModal from "../components/ConfirmModal";
import Forbidden from "../components/Forbidden";

import apiFetch from "../utils/api";
import { formatCurrency, formatDate, czechPlural } from "../utils/formatters";
import SortIcon from "../components/SortIcon";
import useTableSort from "../hooks/useTableSort";
import useListData from "../hooks/useListData";
import useModalLock from "../hooks/useModalLock";
import Pagination from "../components/Pagination";
import FormField from "../components/FormField";

const API_BASE = "/api/admin";
const DRAFT_KEY = "boha_offer_draft";

interface Quotation {
  id: number;
  quotation_number: string;
  project_code: string;
  customer_name: string;
  created_at: string;
  valid_until: string;
  currency: string;
  total: number;
  status: string;
  order_id?: number;
}

interface Draft {
  form: {
    project_code: string;
    customer_name: string;
    created_at: string;
    valid_until: string;
    currency: string;
  };
  items: unknown[];
  savedAt?: string;
}

export default function Offers() {
  const alert = useAlert();
  const { hasPermission } = useAuth();
  const navigate = useNavigate();

  const { sort, order, handleSort, activeSort } =
    useTableSort("quotation_number");
  const [search, setSearch] = useState("");
  const [page, setPage] = useState(1);

  const [deleteConfirm, setDeleteConfirm] = useState<{
    show: boolean;
    quotation: Quotation | null;
  }>({ show: false, quotation: null });
  const [deleting, setDeleting] = useState(false);
  const [invalidateConfirm, setInvalidateConfirm] = useState<{
    show: boolean;
    quotation: Quotation | null;
  }>({ show: false, quotation: null });
  const [invalidating, setInvalidating] = useState(false);
  const [duplicating, setDuplicating] = useState<number | null>(null);
  const [pdfLoading, setPdfLoading] = useState<number | null>(null);
  const [creatingOrder, setCreatingOrder] = useState<number | null>(null);
  const [orderModal, setOrderModal] = useState<{
    show: boolean;
    quotation: Quotation | null;
  }>({ show: false, quotation: null });
  useModalLock(orderModal.show);
  const [customerOrderNumber, setCustomerOrderNumber] = useState("");
  const [orderAttachment, setOrderAttachment] = useState<File | null>(null);
  const [draft, setDraft] = useState<Draft | null>(() => {
    try {
      const raw = localStorage.getItem(DRAFT_KEY);
      if (!raw) return null;
      const parsed = JSON.parse(raw);
      if (parsed && parsed.form && Array.isArray(parsed.items)) return parsed;
    } catch {
      /* ignore corrupt data */
    }
    return null;
  });

  const {
    items: quotations,
    loading,
    initialLoad,
    pagination,
    refetch: fetchData,
  } = useListData("offers", {
    search,
    sort,
    order,
    page,
    errorMsg: "Nepodařilo se načíst nabídky",
  });

  const discardDraft = () => {
    try {
      localStorage.removeItem(DRAFT_KEY);
    } catch {
      /* ignore */
    }
    setDraft(null);
  };

  const getRowClass = (invalidated: boolean, expired: boolean) => {
    if (invalidated) return "offers-invalidated-row";
    if (expired) return "offers-expired-row";
    return "";
  };

  if (!hasPermission("offers.view")) return <Forbidden />;

  const handleDuplicate = async (quotation: Quotation) => {
    setDuplicating(quotation.id);
    try {
      const response = await apiFetch(
        `${API_BASE}/offers/${quotation.id}/duplicate`,
        {
          method: "POST",
          headers: { "Content-Type": "application/json" },
        },
      );
      const result = await response.json();
      if (result.success) {
        alert.success(result.message || "Nabídka byla duplikována");
        fetchData();
      } else {
        alert.error(result.error || "Nepodařilo se duplikovat nabídku");
      }
    } catch {
      alert.error("Chyba připojení");
    } finally {
      setDuplicating(null);
    }
  };

  const handleCreateOrder = async () => {
    if (!customerOrderNumber.trim() || !orderModal.quotation) return;
    setCreatingOrder(orderModal.quotation.id);
    try {
      const formData = new FormData();
      formData.append("quotationId", String(orderModal.quotation.id));
      formData.append("customerOrderNumber", customerOrderNumber.trim());
      if (orderAttachment) {
        formData.append("attachment", orderAttachment);
      }
      const response = await apiFetch(`${API_BASE}/orders`, {
        method: "POST",
        body: formData,
      });
      const result = await response.json();
      if (result.success) {
        setOrderModal({ show: false, quotation: null });
        alert.success(result.message || "Objednávka byla vytvořena");
        navigate(`/orders/${result.data.order_id}`);
      } else {
        alert.error(result.error || "Nepodařilo se vytvořit objednávku");
      }
    } catch {
      alert.error("Chyba připojení");
    } finally {
      setCreatingOrder(null);
    }
  };

  const handleDelete = async () => {
    if (!deleteConfirm.quotation) return;
    setDeleting(true);
    try {
      const response = await apiFetch(
        `${API_BASE}/offers/${deleteConfirm.quotation.id}`,
        {
          method: "DELETE",
        },
      );
      const result = await response.json();
      if (result.success) {
        setDeleteConfirm({ show: false, quotation: null });
        alert.success(result.message || "Nabídka byla smazána");
        fetchData();
      } else {
        alert.error(result.error || "Nepodařilo se smazat nabídku");
      }
    } catch {
      alert.error("Chyba připojení");
    } finally {
      setDeleting(false);
    }
  };

  const handleInvalidate = async () => {
    if (!invalidateConfirm.quotation) return;
    setInvalidating(true);
    try {
      const response = await apiFetch(
        `${API_BASE}/offers/${invalidateConfirm.quotation.id}/invalidate`,
        {
          method: "POST",
        },
      );
      const result = await response.json();
      if (result.success) {
        setInvalidateConfirm({ show: false, quotation: null });
        alert.success(result.message || "Nabídka byla zneplatněna");
        fetchData();
      } else {
        alert.error(result.error || "Nepodařilo se zneplatnit nabídku");
      }
    } catch {
      alert.error("Chyba připojení");
    } finally {
      setInvalidating(false);
    }
  };

  const handlePdf = async (quotation: Quotation) => {
    if (pdfLoading) return;
    const newWindow = window.open("", "_blank");
    setPdfLoading(quotation.id);
    try {
      const response = await apiFetch(
        `${API_BASE}/offers/${quotation.id}/file`,
      );
      if (response.status === 401) {
        newWindow?.close();
        return;
      }
      if (!response.ok) {
        newWindow?.close();
        alert.error("PDF soubor nenalezen — otevřete nabídku a uložte ji");
        return;
      }
      const blob = await response.blob();
      const url = URL.createObjectURL(blob);
      if (newWindow) newWindow.location.href = url;
      setTimeout(() => URL.revokeObjectURL(url), 60000);
    } catch {
      newWindow?.close();
      alert.error("Chyba připojení");
    } finally {
      setPdfLoading(null);
    }
  };

  if (initialLoad) {
    return (
      <div className="admin-skeleton" style={{ padding: 0, gap: "1.5rem" }}>
        <div
          className="admin-skeleton-row"
          style={{ justifyContent: "space-between" }}
        >
          <div>
            <div
              className="admin-skeleton-line h-8"
              style={{ width: "200px", marginBottom: "0.5rem" }}
            />
            <div className="admin-skeleton-line" style={{ width: "140px" }} />
          </div>
          <div style={{ display: "flex", gap: "0.5rem" }}>
            <div
              className="admin-skeleton-line h-10"
              style={{ width: "120px", borderRadius: "8px" }}
            />
            <div
              className="admin-skeleton-line h-10"
              style={{ width: "140px", borderRadius: "8px" }}
            />
          </div>
        </div>
        <div className="admin-card">
          <div className="admin-skeleton" style={{ gap: "1.25rem" }}>
            <div
              className="admin-skeleton-line h-10"
              style={{
                width: "100%",
                borderRadius: "8px",
                marginBottom: "0.5rem",
              }}
            />
            {[0, 1, 2, 3, 4].map((i) => (
              <div key={i} className="admin-skeleton-row">
                <div className="admin-skeleton-line circle" />
                <div className="flex-1">
                  <div
                    className="admin-skeleton-line w-1/3"
                    style={{ marginBottom: "0.5rem" }}
                  />
                  <div
                    className="admin-skeleton-line w-1/4"
                    style={{ height: "10px" }}
                  />
                </div>
                <div className="admin-skeleton-line w-1/4" />
              </div>
            ))}
          </div>
        </div>
      </div>
    );
  }

  return (
    <div>
      <motion.div
        className="admin-page-header"
        initial={{ opacity: 0, y: 12 }}
        animate={{ opacity: 1, y: 0 }}
        transition={{ duration: 0.25 }}
      >
        <div>
          <h1 className="admin-page-title">Nabídky</h1>
          <p className="admin-page-subtitle">
            {pagination?.total ?? quotations.length}{" "}
            {czechPlural(
              pagination?.total ?? quotations.length,
              "nabídka",
              "nabídky",
              "nabídek",
            )}
          </p>
        </div>
        <div className="admin-page-actions">
          {hasPermission("settings.manage") && (
            <Link
              to="/offers/templates"
              className="admin-btn admin-btn-secondary"
            >
              <svg
                width="20"
                height="20"
                viewBox="0 0 24 24"
                fill="none"
                stroke="currentColor"
                strokeWidth="2"
              >
                <rect x="3" y="3" width="18" height="18" rx="2" />
                <path d="M3 9h18M9 21V9" />
              </svg>
              Šablony
            </Link>
          )}
          {hasPermission("offers.create") && (
            <Link to="/offers/new" className="admin-btn admin-btn-primary">
              <svg
                width="20"
                height="20"
                viewBox="0 0 24 24"
                fill="none"
                stroke="currentColor"
                strokeWidth="2"
              >
                <line x1="12" y1="5" x2="12" y2="19" />
                <line x1="5" y1="12" x2="19" y2="12" />
              </svg>
              Nová nabídka
            </Link>
          )}
        </div>
      </motion.div>

      <motion.div
        className="admin-card"
        initial={{ opacity: 0, y: 12 }}
        animate={{ opacity: 1, y: 0 }}
        transition={{ duration: 0.25, delay: 0.06 }}
        style={{ opacity: loading ? 0.6 : 1, transition: "opacity 0.2s" }}
      >
        <div className="admin-card-body">
          <div className="admin-search-bar mb-4">
            <input
              type="text"
              value={search}
              onChange={(e) => {
                setSearch(e.target.value);
                setPage(1);
              }}
              className="admin-form-input"
              placeholder="Hledat podle čísla, projektu nebo zákazníka..."
            />
          </div>

          {quotations.length === 0 && !draft ? (
            <div className="admin-empty-state">
              <div className="admin-empty-icon">
                <svg
                  width="28"
                  height="28"
                  viewBox="0 0 24 24"
                  fill="none"
                  stroke="currentColor"
                  strokeWidth="1.5"
                  strokeLinecap="round"
                  strokeLinejoin="round"
                >
                  <path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z" />
                  <polyline points="14 2 14 8 20 8" />
                  <line x1="12" y1="18" x2="12" y2="12" />
                  <line x1="9" y1="15" x2="15" y2="15" />
                </svg>
              </div>
              <p>Zatím nejsou žádné nabídky.</p>
              {hasPermission("offers.create") && (
                <Link to="/offers/new" className="admin-btn admin-btn-primary">
                  Vytvořit první nabídku
                </Link>
              )}
            </div>
          ) : (
            <div className="admin-table-responsive">
              <table className="admin-table">
                <thead>
                  <tr>
                    <th
                      style={{ cursor: "pointer" }}
                      onClick={() => handleSort("quotation_number")}
                    >
                      Číslo{" "}
                      <SortIcon
                        column="quotation_number"
                        sort={activeSort}
                        order={order}
                      />
                    </th>
                    <th
                      style={{ cursor: "pointer" }}
                      onClick={() => handleSort("project_code")}
                    >
                      Projekt{" "}
                      <SortIcon
                        column="project_code"
                        sort={activeSort}
                        order={order}
                      />
                    </th>
                    <th>Zákazník</th>
                    <th
                      style={{ cursor: "pointer" }}
                      onClick={() => handleSort("created_at")}
                    >
                      Datum{" "}
                      <SortIcon
                        column="created_at"
                        sort={activeSort}
                        order={order}
                      />
                    </th>
                    <th
                      style={{ cursor: "pointer" }}
                      onClick={() => handleSort("valid_until")}
                    >
                      Platnost{" "}
                      <SortIcon
                        column="valid_until"
                        sort={activeSort}
                        order={order}
                      />
                    </th>
                    <th
                      style={{ cursor: "pointer" }}
                      onClick={() => handleSort("currency")}
                    >
                      Měna{" "}
                      <SortIcon
                        column="currency"
                        sort={activeSort}
                        order={order}
                      />
                    </th>
                    <th className="text-right">Celkem</th>
                    <th>Akce</th>
                  </tr>
                </thead>
                <tbody>
                  {draft && !search && (
                    <tr className="offers-draft-row">
                      <td>
                        <span className="offers-draft-row-label">
                          Koncept
                          {draft.savedAt && (
                            <span style={{ fontWeight: 400, opacity: 0.8 }}>
                              {" · "}
                              {new Date(draft.savedAt).toLocaleTimeString(
                                "cs-CZ",
                                { hour: "2-digit", minute: "2-digit" },
                              )}
                            </span>
                          )}
                        </span>
                      </td>
                      <td>{draft.form.project_code || "—"}</td>
                      <td>{draft.form.customer_name || "—"}</td>
                      <td className="admin-mono">
                        {draft.form.created_at
                          ? formatDate(draft.form.created_at)
                          : "—"}
                      </td>
                      <td className="admin-mono">
                        {draft.form.valid_until
                          ? formatDate(draft.form.valid_until)
                          : "—"}
                      </td>
                      <td>
                        <span className="admin-badge admin-badge-secondary">
                          {draft.form.currency || "—"}
                        </span>
                      </td>
                      <td />
                      <td>
                        <div className="admin-table-actions">
                          <Link
                            to="/offers/new"
                            className="admin-btn-icon"
                            title="Pokračovat v konceptu"
                            aria-label="Pokračovat v konceptu"
                          >
                            <svg
                              width="18"
                              height="18"
                              viewBox="0 0 24 24"
                              fill="none"
                              stroke="currentColor"
                              strokeWidth="2"
                            >
                              <path d="M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7" />
                              <path d="M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z" />
                            </svg>
                          </Link>
                          <button
                            onClick={discardDraft}
                            className="admin-btn-icon danger"
                            title="Zahodit koncept"
                          >
                            <svg
                              width="18"
                              height="18"
                              viewBox="0 0 24 24"
                              fill="none"
                              stroke="currentColor"
                              strokeWidth="2"
                            >
                              <polyline points="3 6 5 6 21 6" />
                              <path d="M19 6v14a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2V6m3 0V4a2 2 0 0 1 2-2h4a2 2 0 0 1 2 2v2" />
                            </svg>
                          </button>
                        </div>
                      </td>
                    </tr>
                  )}
                  {(quotations as Quotation[]).map((q) => {
                    const isInvalidated = q.status === "invalidated";
                    const isExpired =
                      !isInvalidated &&
                      !q.order_id &&
                      q.valid_until &&
                      new Date(q.valid_until) <
                        new Date(new Date().toDateString());
                    return (
                      <tr
                        key={q.id}
                        className={getRowClass(isInvalidated, !!isExpired)}
                      >
                        <td>
                          <Link to={`/offers/${q.id}`} className="link-accent">
                            {q.quotation_number}
                          </Link>
                        </td>
                        <td>{q.project_code || "—"}</td>
                        <td>{q.customer_name || "—"}</td>
                        <td className="admin-mono">
                          {formatDate(q.created_at)}
                        </td>
                        <td className="admin-mono">
                          {formatDate(q.valid_until)}
                        </td>
                        <td>
                          <span className="admin-badge admin-badge-secondary">
                            {q.currency}
                          </span>
                        </td>
                        <td className="admin-mono text-right fw-500">
                          {formatCurrency(q.total, q.currency)}
                        </td>
                        <td>
                          <div className="admin-table-actions">
                            <Link
                              to={`/offers/${q.id}`}
                              className="admin-btn-icon"
                              title={isInvalidated ? "Zobrazit" : "Upravit"}
                              aria-label={
                                isInvalidated ? "Zobrazit" : "Upravit"
                              }
                            >
                              {isInvalidated ? (
                                <svg
                                  width="18"
                                  height="18"
                                  viewBox="0 0 24 24"
                                  fill="none"
                                  stroke="currentColor"
                                  strokeWidth="2"
                                >
                                  <path d="M1 12s4-8 11-8 11 8 11 8-4 8-11 8-11-8-11-8z" />
                                  <circle cx="12" cy="12" r="3" />
                                </svg>
                              ) : (
                                <svg
                                  width="18"
                                  height="18"
                                  viewBox="0 0 24 24"
                                  fill="none"
                                  stroke="currentColor"
                                  strokeWidth="2"
                                >
                                  <path d="M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7" />
                                  <path d="M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z" />
                                </svg>
                              )}
                            </Link>
                            {!isInvalidated &&
                              hasPermission("offers.create") && (
                                <button
                                  onClick={() => handleDuplicate(q)}
                                  className="admin-btn-icon"
                                  title="Duplikovat"
                                  disabled={duplicating === q.id}
                                >
                                  <svg
                                    width="18"
                                    height="18"
                                    viewBox="0 0 24 24"
                                    fill="none"
                                    stroke="currentColor"
                                    strokeWidth="2"
                                  >
                                    <rect
                                      x="9"
                                      y="9"
                                      width="13"
                                      height="13"
                                      rx="2"
                                      ry="2"
                                    />
                                    <path d="M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1" />
                                  </svg>
                                </button>
                              )}
                            {!isInvalidated && q.order_id ? (
                              <Link
                                to={`/orders/${q.order_id}`}
                                className="admin-btn-icon accent"
                                title="Zobrazit objednávku"
                                aria-label="Zobrazit objednávku"
                              >
                                <svg
                                  width="18"
                                  height="18"
                                  viewBox="0 0 24 24"
                                  fill="none"
                                  stroke="currentColor"
                                  strokeWidth="2"
                                >
                                  <path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z" />
                                  <polyline points="14 2 14 8 20 8" />
                                  <text
                                    x="12"
                                    y="16.5"
                                    textAnchor="middle"
                                    fill="currentColor"
                                    stroke="none"
                                    fontSize="9"
                                    fontWeight="700"
                                  >
                                    O
                                  </text>
                                </svg>
                              </Link>
                            ) : (
                              !isInvalidated &&
                              hasPermission("orders.create") && (
                                <button
                                  onClick={() => {
                                    setCustomerOrderNumber("");
                                    setOrderAttachment(null);
                                    setOrderModal({ show: true, quotation: q });
                                  }}
                                  className="admin-btn-icon"
                                  title="Vytvořit objednávku"
                                  disabled={creatingOrder === q.id}
                                >
                                  {creatingOrder === q.id ? (
                                    <div
                                      className="admin-spinner"
                                      style={{
                                        width: 18,
                                        height: 18,
                                        borderWidth: 2,
                                      }}
                                    />
                                  ) : (
                                    <svg
                                      width="18"
                                      height="18"
                                      viewBox="0 0 24 24"
                                      fill="none"
                                      stroke="currentColor"
                                      strokeWidth="2"
                                    >
                                      <path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z" />
                                      <polyline points="14 2 14 8 20 8" />
                                      <line x1="12" y1="11" x2="12" y2="17" />
                                      <line x1="9" y1="14" x2="15" y2="14" />
                                    </svg>
                                  )}
                                </button>
                              )
                            )}
                            {isExpired &&
                              !isInvalidated &&
                              hasPermission("offers.edit") && (
                                <button
                                  onClick={() =>
                                    setInvalidateConfirm({
                                      show: true,
                                      quotation: q,
                                    })
                                  }
                                  className="admin-btn-icon"
                                  title="Zneplatnit"
                                >
                                  <svg
                                    width="18"
                                    height="18"
                                    viewBox="0 0 24 24"
                                    fill="none"
                                    stroke="currentColor"
                                    strokeWidth="2"
                                  >
                                    <circle cx="12" cy="12" r="10" />
                                    <line
                                      x1="4.93"
                                      y1="4.93"
                                      x2="19.07"
                                      y2="19.07"
                                    />
                                  </svg>
                                </button>
                              )}
                            {hasPermission("offers.export") && (
                              <button
                                onClick={() => handlePdf(q)}
                                className="admin-btn-icon"
                                title="Zobrazit nabídku"
                                disabled={pdfLoading === q.id}
                              >
                                {pdfLoading === q.id ? (
                                  <div
                                    className="admin-spinner"
                                    style={{
                                      width: 18,
                                      height: 18,
                                      borderWidth: 2,
                                    }}
                                  />
                                ) : (
                                  <svg
                                    width="18"
                                    height="18"
                                    viewBox="0 0 24 24"
                                    fill="none"
                                    stroke="currentColor"
                                    strokeWidth="2"
                                  >
                                    <path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z" />
                                    <polyline points="14 2 14 8 20 8" />
                                    <line x1="16" y1="13" x2="8" y2="13" />
                                    <line x1="16" y1="17" x2="8" y2="17" />
                                  </svg>
                                )}
                              </button>
                            )}
                            {hasPermission("offers.delete") && (
                              <button
                                onClick={() =>
                                  setDeleteConfirm({ show: true, quotation: q })
                                }
                                className="admin-btn-icon danger"
                                title="Smazat"
                              >
                                <svg
                                  width="18"
                                  height="18"
                                  viewBox="0 0 24 24"
                                  fill="none"
                                  stroke="currentColor"
                                  strokeWidth="2"
                                >
                                  <polyline points="3 6 5 6 21 6" />
                                  <path d="M19 6v14a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2V6m3 0V4a2 2 0 0 1 2-2h4a2 2 0 0 1 2 2v2" />
                                </svg>
                              </button>
                            )}
                          </div>
                        </td>
                      </tr>
                    );
                  })}
                  {quotations.length === 0 && draft && search && (
                    <tr>
                      <td
                        colSpan={8}
                        className="text-muted text-center"
                        style={{ padding: "1.5rem" }}
                      >
                        Žádné nabídky odpovídající hledání.
                      </td>
                    </tr>
                  )}
                </tbody>
              </table>
            </div>
          )}
          <Pagination pagination={pagination} onPageChange={setPage} />
        </div>
      </motion.div>

      <ConfirmModal
        isOpen={deleteConfirm.show}
        onClose={() => setDeleteConfirm({ show: false, quotation: null })}
        onConfirm={handleDelete}
        title="Smazat nabídku"
        message={`Opravdu chcete smazat nabídku "${deleteConfirm.quotation?.quotation_number}"? Budou smazány i všechny položky a sekce. Tato akce je nevratná.`}
        confirmText="Smazat"
        cancelText="Zrušit"
        type="danger"
        loading={deleting}
      />

      <ConfirmModal
        isOpen={invalidateConfirm.show}
        onClose={() => setInvalidateConfirm({ show: false, quotation: null })}
        onConfirm={handleInvalidate}
        title="Zneplatnit nabídku"
        message={`Opravdu chcete zneplatnit nabídku "${invalidateConfirm.quotation?.quotation_number}"? Nabídka bude pouze pro čtení a nepůjde upravovat.`}
        confirmText="Zneplatnit"
        cancelText="Zrušit"
        type="danger"
        loading={invalidating}
      />

      <AnimatePresence>
        {orderModal.show && (
          <motion.div
            className="admin-modal-overlay"
            initial={{ opacity: 0 }}
            animate={{ opacity: 1 }}
            exit={{ opacity: 0 }}
            transition={{ duration: 0.2 }}
          >
            <div
              className="admin-modal-backdrop"
              onClick={() =>
                !creatingOrder &&
                setOrderModal({ show: false, quotation: null })
              }
            />
            <motion.div
              className="admin-modal"
              initial={{ opacity: 0, scale: 0.95, y: 20 }}
              animate={{ opacity: 1, scale: 1, y: 0 }}
              exit={{ opacity: 0, scale: 0.95, y: 20 }}
              transition={{ duration: 0.2 }}
            >
              <div className="admin-modal-header">
                <h2 className="admin-modal-title">Vytvořit objednávku</h2>
                <p
                  className="text-secondary text-md"
                  style={{ marginTop: "0.25rem" }}
                >
                  Nabídka:{" "}
                  <strong>{orderModal.quotation?.quotation_number}</strong>
                </p>
              </div>
              <div className="admin-modal-body">
                <div className="admin-form">
                  <FormField label="Číslo objednávky zákazníka" required>
                    <input
                      type="text"
                      value={customerOrderNumber}
                      onChange={(e) => setCustomerOrderNumber(e.target.value)}
                      onKeyDown={(e) =>
                        e.key === "Enter" &&
                        !creatingOrder &&
                        handleCreateOrder()
                      }
                      className="admin-form-input"
                      placeholder="Např. PO-2026-001"
                      autoFocus
                    />
                  </FormField>
                  <FormField label="Příloha (PDF)">
                    {orderAttachment ? (
                      <div className="flex-row gap-2">
                        <svg
                          width="16"
                          height="16"
                          viewBox="0 0 24 24"
                          fill="none"
                          stroke="var(--accent-color)"
                          strokeWidth="2"
                        >
                          <path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z" />
                          <polyline points="14 2 14 8 20 8" />
                        </svg>
                        <span className="text-md">
                          {orderAttachment.name}{" "}
                          <span className="text-tertiary">
                            ({(orderAttachment.size / 1024).toFixed(0)} KB)
                          </span>
                        </span>
                        <button
                          type="button"
                          onClick={() => setOrderAttachment(null)}
                          className="admin-btn-icon"
                          title="Odebrat"
                          style={{ marginLeft: "auto" }}
                        >
                          <svg
                            width="16"
                            height="16"
                            viewBox="0 0 24 24"
                            fill="none"
                            stroke="currentColor"
                            strokeWidth="2"
                          >
                            <path d="M18 6L6 18M6 6l12 12" />
                          </svg>
                        </button>
                      </div>
                    ) : (
                      <label
                        className="admin-btn admin-btn-secondary admin-btn-sm inline-flex"
                        style={{
                          cursor: "pointer",
                          gap: "0.4rem",
                        }}
                      >
                        <svg
                          width="16"
                          height="16"
                          viewBox="0 0 24 24"
                          fill="none"
                          stroke="currentColor"
                          strokeWidth="2"
                        >
                          <path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4" />
                          <polyline points="17 8 12 3 7 8" />
                          <line x1="12" y1="3" x2="12" y2="15" />
                        </svg>
                        Vybrat soubor
                        <input
                          type="file"
                          accept="application/pdf"
                          onChange={(e) =>
                            setOrderAttachment(e.target.files?.[0] || null)
                          }
                          style={{ display: "none" }}
                        />
                      </label>
                    )}
                    <small
                      className="admin-form-hint"
                      style={{ marginTop: "0.25rem" }}
                    >
                      Max 10 MB
                    </small>
                  </FormField>
                </div>
              </div>
              <div className="admin-modal-footer">
                <button
                  onClick={() =>
                    setOrderModal({ show: false, quotation: null })
                  }
                  className="admin-btn admin-btn-secondary"
                  disabled={!!creatingOrder}
                >
                  Zrušit
                </button>
                <button
                  onClick={handleCreateOrder}
                  className="admin-btn admin-btn-primary"
                  disabled={!!creatingOrder || !customerOrderNumber.trim()}
                >
                  {creatingOrder ? "Vytváření..." : "Vytvořit"}
                </button>
              </div>
            </motion.div>
          </motion.div>
        )}
      </AnimatePresence>
    </div>
  );
}