import { t } from "../../services/i18n";
import Button from "../react/Button";
import { TabContext } from "./ribbon-interface";
import { SaveSearchNoteResponse } from "@triliumnext/commons";
import attributes from "../../services/attributes";
import FNote from "../../entities/fnote";
import toast from "../../services/toast";
import froca from "../../services/froca";
import { useContext, useEffect, useState } from "preact/hooks";
import { ParentComponent } from "../react/react_utils";
import { useTriliumEvent } from "../react/hooks";
import appContext from "../../components/app_context";
import server from "../../services/server";
import ws from "../../services/ws";
import tree from "../../services/tree";
import { SEARCH_OPTIONS, SearchOption } from "./SearchDefinitionOptions";
import Dropdown from "../react/Dropdown";
import Icon from "../react/Icon";
import bulk_action, { ACTION_GROUPS } from "../../services/bulk_action";
import { FormListHeader, FormListItem } from "../react/FormList";
import RenameNoteBulkAction from "../bulk_actions/note/rename_note";
import { getErrorMessage } from "../../services/utils";

export default function SearchDefinitionTab({ note, ntxId }: TabContext) {
  const parentComponent = useContext(ParentComponent);
  const [ searchOptions, setSearchOptions ] = useState<{ availableOptions: SearchOption[], activeOptions: SearchOption[] }>();
  const [ error, setError ] = useState<{ message: string }>();

  function refreshOptions() {
    if (!note) return;

    const availableOptions: SearchOption[] = [];
    const activeOptions: SearchOption[] = [];

    for (const searchOption of SEARCH_OPTIONS) {
      const attr = note.getAttribute(searchOption.attributeType, searchOption.attributeName);      
      if (attr && searchOption.component) {
        activeOptions.push(searchOption);
      } else {
        availableOptions.push(searchOption);
      }
    }

    setSearchOptions({ availableOptions, activeOptions });
  }

  async function refreshResults() {
    const noteId = note?.noteId;
    if (!noteId) {
        return;
    }

    try {
        const result = await froca.loadSearchNote(noteId);
        if (result?.error) {
          setError({ message: result?.error})
        } else {
          setError(undefined);
        }
    } catch (e: unknown) {
      toast.showError(getErrorMessage(e));
    }

    parentComponent?.triggerEvent("searchRefreshed", { ntxId });
  }

  // Refresh the list of available and active options.
  useEffect(refreshOptions, [ note ]);
  useTriliumEvent("entitiesReloaded", ({ loadResults }) => {
    if (loadResults.getAttributeRows().find((attrRow) => attributes.isAffecting(attrRow, note))) {
      refreshOptions();
    }
  });

  return (
    <div className="search-definition-widget">
      <div className="search-settings">
        {note && 
          <table className="search-setting-table">
            <tr>
              <td className="title-column">{t("search_definition.add_search_option")}</td>
              <td colSpan={2} className="add-search-option">
                {searchOptions?.availableOptions.map(({ icon, label, tooltip, attributeName, attributeType, defaultValue }) => (
                  <Button
                    size="small"
                    icon={icon}
                    text={label}
                    title={tooltip}
                    onClick={() => attributes.setAttribute(note, attributeType, attributeName, defaultValue ?? "")}
                  />
                ))}

                <AddBulkActionButton note={note} />
              </td>
            </tr>
            <tbody className="search-options">
              {searchOptions?.activeOptions.map(({ attributeType, attributeName, component, additionalAttributesToDelete, defaultValue }) => {
                const Component = component;
                return <Component
                  attributeName={attributeName}
                  attributeType={attributeType}
                  note={note}
                  refreshResults={refreshResults}
                  error={error}
                  additionalAttributesToDelete={additionalAttributesToDelete}
                  defaultValue={defaultValue}
                />;
              })}
            </tbody>
            <BulkActionsList note={note} />
            <tbody>
              <tr>
                <td colSpan={3}>
                  <div style={{ display: "flex", justifyContent: "space-evenly" }}>
                    <Button
                      icon="bx bx-search"
                      text={t("search_definition.search_button")}
                      keyboardShortcut="Enter"
                      onClick={refreshResults}
                    />

                    <Button
                      icon="bx bxs-zap"
                      text={t("search_definition.search_execute")}
                      onClick={async () => {
                        await server.post(`search-and-execute-note/${note.noteId}`);
                        refreshResults();
                        toast.showMessage(t("search_definition.actions_executed"), 3000);                        
                      }}
                    />

                    {note.isHiddenCompletely() && <Button
                      icon="bx bx-save"
                      text={t("search_definition.save_to_note")}
                      onClick={async () => {
                        const { notePath } = await server.post<SaveSearchNoteResponse>("special-notes/save-search-note", { searchNoteId: note.noteId });
                        if (!notePath) {
                          return;
                        }

                        await ws.waitForMaxKnownEntityChangeId();
                        await appContext.tabManager.getActiveContext()?.setNote(notePath);

                        // Note the {{- notePathTitle}} in json file is not typo, it's unescaping
                        // See https://www.i18next.com/translation-function/interpolation#unescape
                        toast.showMessage(t("search_definition.search_note_saved", { notePathTitle: await tree.getNotePathTitle(notePath) }));
                      }}
                    />}
                  </div>
                </td>
              </tr>
            </tbody>
          </table>
        }
      </div>
    </div>
  )
}

function BulkActionsList({ note }: { note: FNote }) {
  const [ bulkActions, setBulkActions ] = useState<RenameNoteBulkAction[]>();

  function refreshBulkActions() {
    if (note) {
      setBulkActions(bulk_action.parseActions(note));
    }
  }

  // React to changes.
  useEffect(refreshBulkActions, [ note ]);
  useTriliumEvent("entitiesReloaded", ({loadResults}) => {
    if (loadResults.getAttributeRows().find(attr => attr.type === "label" && attr.name === "action" && attributes.isAffecting(attr, note))) {
      refreshBulkActions();
    }
  });

  return (
    <tbody className="action-options">
      {bulkActions?.map(bulkAction => (
        bulkAction.doRender()
      ))}
    </tbody>
  )
}

function AddBulkActionButton({ note }: { note: FNote }) {
  return (
    <Dropdown
      buttonClassName="action-add-toggle btn-sm"
      text={<><Icon icon="bx bxs-zap" />{" "}{t("search_definition.action")}</>}
      noSelectButtonStyle
    >
        {ACTION_GROUPS.map(({ actions, title }) => (
          <>
            <FormListHeader text={title} />

            {actions.map(({ actionName, actionTitle }) => (
              <FormListItem onClick={() => bulk_action.addAction(note.noteId, actionName)}>{actionTitle}</FormListItem>
            ))}          
          </>
        ))}
    </Dropdown>
  )
}