import React, { useState } from "react";
import { Menu } from "./components/menu";
import { faPlus } from '@fortawesome/free-solid-svg-icons';
import { library } from '@fortawesome/fontawesome-svg-core'
import { OlSearchBar } from "../components/olsearchbar";
import { OlAccordion } from "../components/olaccordion";
import { getApp } from "../../olympusapp";
import { OlUnitEntryList } from "../components/olunitlistentry";
import { UnitSpawnMenu } from "./unitspawnmenu";
import { UnitBlueprint } from "../../interfaces";
import { olButtonsVisibilityAircraft, olButtonsVisibilityGroundunit, olButtonsVisibilityGroundunitSam, olButtonsVisibilityHelicopter, olButtonsVisibilityNavyunit } from "../components/olicons";

library.add(faPlus);

function filterUnits(blueprints: { [key: string]: UnitBlueprint }, filterString: string) {
	var filteredUnits = {};
	if (blueprints) {
		Object.entries(blueprints).forEach(([key, value]) => {
			if (value.enabled && (filterString === "" || value.label.includes(filterString)))
				filteredUnits[key] = value;
		});
	}
	return filteredUnits;
}

export function SpawnMenu(props: {
	open: boolean,
	onClose: () => void,
	children?: JSX.Element | JSX.Element[],
}) {
	var [blueprint, setBlueprint] = useState(null as (null | UnitBlueprint));
	var [filterString, setFilterString] = useState("");

	/* Filter aircrafts, helicopters, and navyunits */
	const filteredAircraft = filterUnits(getApp()?.getAircraftDatabase()?.blueprints, filterString);
	const filteredHelicopters = filterUnits(getApp()?.getHelicopterDatabase()?.blueprints, filterString);
	const filteredNavyUnits = filterUnits(getApp()?.getNavyUnitDatabase()?.blueprints, filterString);

	/* Split ground units between air defence and all others */
	var filteredAirDefense = {};
	var filteredGroundUnits = {};
	Object.keys(getApp()?.getGroundUnitDatabase()?.blueprints ?? {}).forEach((key) => {
		var blueprint = getApp()?.getGroundUnitDatabase()?.blueprints[key];
		var type = blueprint.label;
		if (/\bAAA|SAM\b/.test(type) || /\bmanpad|stinger\b/i.test(type)) {
			filteredAirDefense[key] = blueprint;
		} else {
			filteredGroundUnits[key] = blueprint;
		}
	});
	filteredAirDefense = filterUnits(filteredAirDefense, filterString);
	filteredGroundUnits = filterUnits(filteredGroundUnits, filterString);

	/* When the menu is closed, reset the blueprint */
	if (!props.open && blueprint !== null)
		setBlueprint(null);

	return <Menu {...props}
		title="Spawn menu"
		showBackButton={blueprint !== null}
		onBack={() => setBlueprint(null)}
	>
		<>
			{(blueprint === null) && <div className="p-5">
				<OlSearchBar onChange={(ev) => setFilterString(ev.target.value)} />
				<OlAccordion title={`Aircraft`}>
					<div className="flex flex-col gap-1 max-h-80 overflow-y-scroll">
						{Object.keys(filteredAircraft).map((key) => {
							const blueprint = getApp().getAircraftDatabase().blueprints[key];
							return <OlUnitEntryList key={key} icon={olButtonsVisibilityAircraft} blueprint={blueprint} onClick={() => setBlueprint(blueprint)} />
						})}
					</div>
				</OlAccordion>
				<OlAccordion title={`Helicopters`}>
					<div className="flex flex-col gap-1 max-h-80 overflow-y-scroll">
						{Object.keys(filteredHelicopters).map((key) => {
							const blueprint = getApp().getHelicopterDatabase().blueprints[key];
							return <OlUnitEntryList key={key} icon={olButtonsVisibilityHelicopter} blueprint={blueprint} onClick={() => setBlueprint(blueprint)} />
						})}
					</div>
				</OlAccordion>
				<OlAccordion title={`SAM & AAA`}>
					<div className="flex flex-col gap-1 max-h-80 overflow-y-scroll">
						{Object.keys(filteredAirDefense).map((key) => {
							const blueprint = getApp().getGroundUnitDatabase().blueprints[key];
							return <OlUnitEntryList key={key} icon={olButtonsVisibilityGroundunitSam} blueprint={blueprint} onClick={() => setBlueprint(blueprint)} />
						})}
					</div>
				</OlAccordion>
				<OlAccordion title={`Ground Units`}>
					<div className="flex flex-col gap-1 max-h-80 overflow-y-scroll">
						{Object.keys(filteredGroundUnits).map((key) => {
							const blueprint = getApp().getGroundUnitDatabase().blueprints[key];
							return <OlUnitEntryList key={key} icon={olButtonsVisibilityGroundunit} blueprint={blueprint} onClick={() => setBlueprint(blueprint)} />
						})}
					</div>
				</OlAccordion>
				<OlAccordion title={`Ships and submarines`}>
					<div className="flex flex-col gap-1 max-h-80 overflow-y-scroll">
						{Object.keys(filteredNavyUnits).map((key) => {
							const blueprint = getApp().getNavyUnitDatabase().blueprints[key];
							return <OlUnitEntryList key={key} icon={olButtonsVisibilityNavyunit} blueprint={blueprint} onClick={() => setBlueprint(blueprint)} />
						})}
					</div>
				</OlAccordion>
				<OlAccordion title="Effects (smokes, explosions etc)">

				</OlAccordion>
			</div>
			}

			{!(blueprint === null) && <UnitSpawnMenu blueprint={blueprint} />}
		</>
	</Menu>
}