/**
 * Copyright 2022 Gravwell, Inc. All rights reserved.
 *
 * Contact: [legal@gravwell.io](mailto:legal@gravwell.io)
 *
 * This software may be modified and distributed under the terms of the MIT
 * license. See the LICENSE file for details.
 */

import { isBoolean, isDate, isInteger, isNull, isString } from 'lodash';
import { DATA_TYPE } from '~/models/data-type';
import { isNumericID, isUUID } from '~/value-objects/id';
import { isRegex } from '~/value-objects/regex';
import { Actionable, ActionableAction, ActionableTimeVariable, ActionableTrigger } from './actionable';
import { ActionableCommand } from './actionable-command';
import { ActionableData } from './actionable-data';

export const isActionableData = (value: unknown): value is ActionableData => {
	try {
		const a = value as ActionableData;
		return (
			isUUID(a.globalID) &&
			isUUID(a.id) &&
			isNumericID(a.userID) &&
			a.groupIDs.every(isNumericID) &&
			isString(a.name) &&
			(isString(a.description) || isNull(a.description)) &&
			(isString(a.menuLabel) || isNull(a.menuLabel)) &&
			a.labels.every(isString) &&
			isBoolean(a.isGlobal) &&
			isBoolean(a.isDisabled) &&
			isDate(a.lastUpdateDate) &&
			a.triggers.every(isActionableTrigger) &&
			a.actions.every(isActionableAction)
		);
	} catch {
		return false;
	}
};

export const isActionable = (value: unknown): value is Actionable => {
	try {
		const a = value as Actionable;
		return a._tag === DATA_TYPE.ACTIONABLE && isActionableData(a);
	} catch {
		return false;
	}
};

export const isActionableTrigger = (value: any): value is ActionableTrigger => {
	try {
		const t = value as ActionableTrigger;
		return isRegex(t.pattern) && ['selection', 'clicks and selection'].includes(t.activatesOn);
	} catch {
		return false;
	}
};

export const isActionableAction = (value: any): value is ActionableAction => {
	try {
		const a = value as ActionableAction;
		return (
			isString(a.name) &&
			(isString(a.description) || isNull(a.description)) &&
			(isString(a.placeholder) || isNull(a.placeholder)) &&
			isActionableTimeVariable(a.start) &&
			isActionableTimeVariable(a.end) &&
			isActionableCommand(a.command)
		);
	} catch {
		return false;
	}
};

export const isActionableTimeVariable = (value: any): value is ActionableTimeVariable => {
	try {
		const t = value as ActionableTimeVariable;
		switch (t.type) {
			case 'timestamp':
				return isString(t.placeholder) || isNull(t.placeholder);
			case 'stringFormat':
				return (isString(t.placeholder) || isNull(t.placeholder)) && (isString(t.format) || isNull(t.format));
			default:
				throw Error();
		}
	} catch {
		return false;
	}
};

export const isActionableCommand = (value: any): value is ActionableCommand => {
	try {
		const cmd = value as ActionableCommand;
		switch (cmd.type) {
			case 'query':
				return isString(cmd.userQuery);
			case 'template':
				return isUUID(cmd.templateID);
			case 'savedQuery':
				return isUUID(cmd.queryID);
			case 'dashboard':
				return isUUID(cmd.dashboardID) && (isString(cmd.dashboardVariable) || isNull(cmd.dashboardVariable));
			case 'url':
				return (
					isString(cmd.urlTemplate) &&
					isBoolean(cmd.modal) &&
					(isInteger(cmd.modalWidthPercentage) || isNull(cmd.modalWidthPercentage))
				);
			default:
				throw Error();
		}
	} catch {
		return false;
	}
};