import { State, stateUtils } from '../../reducer';
import BaseModel from '../../BaseModel';
import Folder from '../../models/Folder';
import MarkupToHtml from '@joplin/renderer/MarkupToHtml';
import { isRootSharedFolder, isSharedFolderOwner } from '../share/reducer';
import { FolderEntity, NoteEntity } from '../database/types';

export interface WhenClauseContextOptions {
	commandFolderId?: string;
	commandNoteId?: string;
}

export interface WhenClauseContext {
	notesAreBeingSaved: boolean;
	syncStarted: boolean;
	inConflictFolder: boolean;
	oneNoteSelected: boolean;
	someNotesSelected: boolean;
	multipleNotesSelected: boolean;
	noNotesSelected: boolean;
	historyhasBackwardNotes: boolean;
	historyhasForwardNotes: boolean;
	oneFolderSelected: boolean;
	noteIsTodo: boolean;
	noteTodoCompleted: boolean;
	noteIsMarkdown: boolean;
	noteIsHtml: boolean;
	folderIsShareRootAndOwnedByUser: boolean;
	folderIsShared: boolean;
	joplinServerConnected: boolean;
}

export default function stateToWhenClauseContext(state: State, options: WhenClauseContextOptions = null): WhenClauseContext {
	options = {
		commandFolderId: '',
		commandNoteId: '',
		...options,
	};

	const selectedNoteId = state.selectedNoteIds.length === 1 ? state.selectedNoteIds[0] : null;
	const selectedNote: NoteEntity = selectedNoteId ? BaseModel.byId(state.notes, selectedNoteId) : null;

	// const commandNoteId = options.commandNoteId || selectedNoteId;
	// const commandNote:NoteEntity = commandNoteId ? BaseModel.byId(state.notes, commandNoteId) : null;

	const commandFolderId = options.commandFolderId || state.selectedFolderId;
	const commandFolder: FolderEntity = commandFolderId ? BaseModel.byId(state.folders, commandFolderId) : null;

	return {
		// Application state
		notesAreBeingSaved: stateUtils.hasNotesBeingSaved(state),
		syncStarted: state.syncStarted,

		// Current location
		inConflictFolder: state.selectedFolderId === Folder.conflictFolderId(),

		// Note selection
		oneNoteSelected: !!selectedNote,
		someNotesSelected: state.selectedNoteIds.length > 0,
		multipleNotesSelected: state.selectedNoteIds.length > 1,
		noNotesSelected: !state.selectedNoteIds.length,

		// Note history
		historyhasBackwardNotes: state.backwardHistoryNotes.length > 0,
		historyhasForwardNotes: state.forwardHistoryNotes.length > 0,

		// Folder selection
		oneFolderSelected: !!state.selectedFolderId,

		// Current note properties
		noteIsTodo: selectedNote ? !!selectedNote.is_todo : false,
		noteTodoCompleted: selectedNote ? !!selectedNote.todo_completed : false,
		noteIsMarkdown: selectedNote ? selectedNote.markup_language === MarkupToHtml.MARKUP_LANGUAGE_MARKDOWN : false,
		noteIsHtml: selectedNote ? selectedNote.markup_language === MarkupToHtml.MARKUP_LANGUAGE_HTML : false,

		// Current context folder
		folderIsShareRootAndOwnedByUser: commandFolder ? isRootSharedFolder(commandFolder) && isSharedFolderOwner(state, commandFolder.id) : false,
		folderIsShared: commandFolder ? !!commandFolder.share_id : false,

		joplinServerConnected: [9, 10].includes(state.settings['sync.target']),
	};
}