import type { TreeNode } from "primevue/treenode";

export type RibbonItem = {
  key: string;
  label: string;
  icon: string;
  disabled?: boolean;
  title?: string;
  command?: () => void;
};

export type RibbonGroup = {
  key: string;
  label: string;
  items: RibbonItem[];
};

export type DeskDetail = {
  kind: "none" | "worker" | "project" | "budget";
  id?: number;
  doc?: string;
  tab?: string;
  project?: Record<string, unknown>;
  budgetItem?: Record<string, unknown>;
};

export type DeskStatusMessage = {
  key: string;
  severity: "danger" | "warn" | "info";
  title: string;
  detail?: string;
  route?: string;
  filter?: string;
  treeKey?: string;
};

export type PadronViewFilter =
  | "all"
  | "with_imss"
  | "without_imss"
  | "in_project_without_imss"
  | "imss_ready"
  | "incomplete"
  | "ready_gafete"
  | "unassigned"
  | "freshness";

/** @deprecated alias */
export type PadronImssFilter = PadronViewFilter;

export function useDesktop() {
  const tabLabel = useState("desk-tab", () => "Inicio");
  const ribbon = useState<RibbonGroup[]>("desk-ribbon", () => []);
  const tree = useState<TreeNode[]>("desk-tree", () => []);
  const treeKey = useState("desk-tree-key", () => "");
  const treeTitle = useState("desk-tree-title", () => "Módulo");
  const showTree = useState("desk-show-tree", () => true);
  const showDetail = useState("desk-show-detail", () => true);
  const detail = useState<DeskDetail>("desk-detail", () => ({ kind: "none" }));
  const countLabel = useState("desk-count", () => "");
  const detailRev = useState("desk-rev", () => 0);
  const globalQ = useState("desk-global-q", () => "");
  const onTreeSelect = useState<((key: string) => void) | null>("desk-on-tree", () => null);
  const statusMessages = useState<DeskStatusMessage[]>("desk-status-messages", () => []);
  const padronImssFilter = useState<PadronViewFilter>("padron-imss-filter", () => "all");

  function setStatusMessages(messages: DeskStatusMessage[]) {
    statusMessages.value = messages;
  }

  function clearStatusMessages() {
    statusMessages.value = [];
  }

  function configure(opts: {
    tab: string;
    treeTitle?: string;
    ribbon?: RibbonGroup[];
    tree?: TreeNode[];
    treeKey?: string;
    showTree?: boolean;
    showDetail?: boolean;
    countLabel?: string;
    onTreeSelect?: (key: string) => void;
  }) {
    tabLabel.value = opts.tab;
    if (opts.treeTitle != null) treeTitle.value = opts.treeTitle;
    if (opts.ribbon) ribbon.value = opts.ribbon;
    if (opts.tree) tree.value = opts.tree;
    if (opts.treeKey != null) treeKey.value = opts.treeKey;
    if (opts.showTree != null) showTree.value = opts.showTree;
    if (opts.showDetail != null) showDetail.value = opts.showDetail;
    if (opts.countLabel != null) countLabel.value = opts.countLabel;
    onTreeSelect.value = opts.onTreeSelect ?? null;
  }

  function selectTree(key: string) {
    treeKey.value = key;
    onTreeSelect.value?.(key);
  }

  function openWorker(id: number, doc?: string, tab?: string) {
    detail.value = { kind: "worker", id, doc, tab };
    showDetail.value = true;
  }

  function openProject(row: Record<string, unknown> & { id: number }, doc?: string) {
    detail.value = { kind: "project", id: row.id, project: row, doc };
    showDetail.value = true;
  }

  function openBudgetItem(item: Record<string, unknown> & { id: number }) {
    detail.value = { kind: "budget", id: item.id, budgetItem: item };
    showDetail.value = true;
  }

  function clearDetail() {
    detail.value = { kind: "none" };
  }

  function bumpDetail() {
    detailRev.value += 1;
  }

  const loanPrompt = useState<{ visible: boolean; workerId?: number; personName?: string }>("desk-loan", () => ({
    visible: false,
  }));

  function openLoan(workerId: number, personName?: string) {
    loanPrompt.value = { visible: true, workerId, personName };
  }

  function closeLoan() {
    loanPrompt.value = { visible: false };
  }

  return {
    tabLabel,
    ribbon,
    tree,
    treeKey,
    treeTitle,
    showTree,
    showDetail,
    detail,
    countLabel,
    detailRev,
    globalQ,
    statusMessages,
    padronImssFilter,
    setStatusMessages,
    clearStatusMessages,
    configure,
    selectTree,
    openWorker,
    openProject,
    openBudgetItem,
    clearDetail,
    bumpDetail,
    loanPrompt,
    openLoan,
    closeLoan,
  };
}