import { Bind, Game } from "../Applet/Init";
import { KeyControl } from "../Applet/Keyboard";
import { Loop } from "../Applet/Loop";
import { Layer, DrawSet } from "../Applet/Render";
import { Data, Location, Polygon, RenderBounds, CollisionClass } from "./Components";
import { FindCollisions } from "./Collision";
import { Join, Liveness, Remove, Create, Lookup, Store, SparseStore } from "./Data";
import { DumbMotion } from "./Location";
import { RunRenderBounds } from "./Renderers";

interface Apple {}
interface Banana {
    peeled: boolean
}
interface Carrot {
    cronch: number
}

class TestData extends Data {
    entity = [
        {generation: 5, alive: Liveness.ALIVE},
        {generation: 5, alive: Liveness.DEAD},
        {generation: 5, alive: Liveness.ALIVE},
        {generation: 5, alive: Liveness.ALIVE},
        {generation: 5, alive: Liveness.INACTIVE},
        {generation: 5, alive: Liveness.ALIVE},
    ];
    apple: Store<Apple> = [
        {generation: 5},
        {generation: 5},
        {generation: -1},
        {generation: -1},
        {generation: 5},
        {generation: 5},
    ];
    banana: SparseStore<Banana> = {
        3: {generation: 5, peeled: false},
        4: {generation: 5, peeled: true},
    };
    carrot: SparseStore<Carrot> = {
        0: {generation: 5, cronch: 1},
        1: {generation: 5, cronch: 1},
        2: {generation: 4, cronch: 10},
        3: {generation: 5, cronch: 1},
    };
}

@Bind("#EcsJoinTest")
export class EcsJoinTest {
    constructor(pre: HTMLElement) {
        const data = new TestData();
        pre.innerText = JSON.stringify({
            "apples": Join(data, "apple"),
            "bananas": Join(data, "banana"),
            "carrots": Join(data, "carrot"),
            "apples+carrots": Join(data, "apple", "carrot"),
        }, null, 2);
    }
}

@Bind("#EcsLookupTest")
export class EcsLookupTest {
    constructor(pre: HTMLElement) {
        const data = new TestData();
        const applesMaybeCarrots = Join(data, "apple").map(([id, apple]) => ({
            apple,
            maybeCarrot: Lookup(data, id, "carrot")[0]
        }));
        pre.innerText = JSON.stringify(applesMaybeCarrots, null, 2);
    }
}

@Bind("#EcsRemoveTest")
export class EcsRemoveTest {
    constructor(pre: HTMLElement) {
        const data = new TestData();
        const beforeDelete = Join(data, "apple", "carrot");
        Remove(data, [0, 5]);
        const afterDelete = Join(data, "apple", "carrot");
        pre.innerText = JSON.stringify({
            beforeDelete,
            afterDelete
        }, null, 2);
    }
}

@Bind("#EcsCreateTest")
export class EcsCreateTest {
    constructor(pre: HTMLElement) {
        const data = new TestData();
        const beforeCreate = Join(data, "apple", "banana", "carrot");
        const createdId = Create(data, {
            apple: {},
            banana: {peeled: false},
            carrot: {cronch: 11}
        });
        const afterCreate = Join(data, "apple", "banana", "carrot");
        pre.innerText = JSON.stringify({
            beforeCreate,
            afterCreate,
            createdId
        }, null, 2);
    }
}

@Game("#RenderTest")
export class LoopTest {
    data = new Data();

    constructor(public canvas: HTMLCanvasElement, cx: CanvasRenderingContext2D, keys: KeyControl) {
        const layer = new Layer(0);
        const drawSet = new DrawSet();

        const spinnerId = Create(this.data, {
            location: new Location({
                X: 200,
                Y: 200,
                VAngle: Math.PI
            }),
            bounds: new Polygon([-50, 50, -60, 250, 60, 250, 50, 50]),
            collisionTargetClass: new CollisionClass("block"),
            renderBounds: new RenderBounds(
                "#0a0",
                layer
            )
        });

        const triangleId = Create(this.data, {
            location: new Location({
                X: 200,
                Y: 200,
                VAngle: -Math.PI/10
            }),
            bounds: new Polygon([70, 0, 55, 40, 85, 40]),
            collisionSourceClass: new CollisionClass("tri"),
            renderBounds: new RenderBounds(
                "#d40",
                layer
            )
        });

        const loop = new Loop(30,
            interval => {
                DumbMotion(this.data, interval);

                const [triangleDebug] = Lookup(this.data, triangleId, "renderBounds");
                if(triangleDebug) triangleDebug.color = "#d40";

                FindCollisions(this.data, 500, (className, sourceId, targetId) => {
                    switch(className) {
                        case "tri>block":
                            const [debug] = Lookup(this.data, sourceId, "renderBounds");
                            if(debug) debug.color = "#0ff";
                            break;
                    }
                });
            },
            dt => {
                cx.fillStyle = "#848";
                cx.fillRect(0, 0, canvas.width, canvas.height);
                RunRenderBounds(this.data, drawSet);
                drawSet.draw(cx, dt);
            }
        );
        loop.start();

        keys.setHandler({
            press: key => {
                if(key == "a") loop.start();
                else if(key == "b") loop.stop();
            }
        });
    }
}