class OverworldMap {
	constructor(config) {
		this.gameObjects = config.gameObjects;
		this.walls = config.walls || {};

		this.lowerImage = new Image();
		this.lowerImage.src = config.lowerSrc;

		this.upperImage = new Image();
		this.upperImage.src = config.upperSrc;

		this.isCutscenePlaying = false;
	}

	drawLowerImage(ctx, cameraPerson) {
		ctx.drawImage(this.lowerImage, utils.withGrid(10.5) - cameraPerson.x, utils.withGrid(6) - cameraPerson.y);
	}
	
	drawUpperImage(ctx, cameraPerson) {
		ctx.drawImage(this.upperImage, utils.withGrid(10.5) - cameraPerson.x, utils.withGrid(6) - cameraPerson.y);
	}

	isSpaceTaken(currentX, currentY, direction) {
		const {x, y} = utils.nextPosition(currentX, currentY, direction);
		return this.walls[`${x},${y}`] || false;
	}

	mountObjects() {
		Object.keys(this.gameObjects).forEach(key => {
			let object = this.gameObjects[key];
			object.id = key;


			object.mount(this);
		})
	}

	async startCutscene(events) {
		this.isCutscenePlaying = true;

		for (let i = 0; i < events.length; i++) {
			const eventHandler = new OverworldEvent({
				event: events[i],
				map: this,
			})
			await eventHandler.init();
		}

		this.isCutscenePlaying = false;

		// reset npcs
		Object.values(this.gameObjects).forEach(object => object.doBehaviorEvent(this))
	}

	addWall(x, y) {
		this.walls[`${x},${y}`] = true;
	}

	removeWall(x, y) {
		delete this.walls[`${x},${y}`];
	}

	moveWall(wasX, wasY, direction) {
		this.removeWall(wasX, wasY);
		const {x, y} = utils.nextPosition(wasX, wasY, direction);
		this.addWall(x, y);
	}
}

window.OverworldMaps = {
	DemoRoom: {
		lowerSrc: "/images/maps/map-room-entrance.png",
		upperSrc: "",
		gameObjects: {
			hero: new Person({
				isPlayerControlled: true,
				x: utils.withGrid(8),
				y: utils.withGrid(2),
			}),
			npc1: new Person({
				x: utils.withGrid(6),
				y: utils.withGrid(5),
				behaviorLoop: [
					{ type: "stand", direction: "down", time: 800 },
					{ type: "stand", direction: "right", time: 300 },
					{ type: "stand", direction: "down", time: 400 },
					{ type: "stand", direction: "up", time: 700 },
				]
			}),
			npc2: new Person({
				x: utils.withGrid(8),
				y: utils.withGrid(9),
				behaviorLoop: [
					{ type: "walk", direction: "left" },
					{ type: "stand", direction: "up", time: 800 },
					{ type: "walk", direction: "up" },
					{ type: "walk", direction: "right" },
					{ type: "walk", direction: "down" },
				]
			})
		},
		walls: {
			// "16,16": true
			[utils.asGridCoord(5,2)] : true,
			[utils.asGridCoord(5,3)] : true,
			[utils.asGridCoord(5,4)] : true,
			[utils.asGridCoord(4,4)] : true,
			[utils.asGridCoord(3,4)] : true,
			[utils.asGridCoord(2,4)] : true,
			[utils.asGridCoord(1,5)] : true,
			[utils.asGridCoord(0,6)] : true,
			[utils.asGridCoord(1,7)] : true,
			[utils.asGridCoord(2,8)] : true,
			[utils.asGridCoord(3,8)] : true,
			[utils.asGridCoord(4,8)] : true,
			[utils.asGridCoord(5,8)] : true,
			[utils.asGridCoord(5,9)] : true,
			[utils.asGridCoord(5,10)] : true,
			[utils.asGridCoord(4,11)] : true,
			[utils.asGridCoord(5,12)] : true,
			[utils.asGridCoord(6,12)] : true,
			[utils.asGridCoord(7,12)] : true,
			[utils.asGridCoord(7,13)] : true,
			[utils.asGridCoord(8,14)] : true,
			[utils.asGridCoord(9,13)] : true,
			[utils.asGridCoord(9,12)] : true,
			[utils.asGridCoord(10,12)] : true,
			[utils.asGridCoord(11,12)] : true,
			[utils.asGridCoord(12,11)] : true,
			[utils.asGridCoord(11,10)] : true,
			[utils.asGridCoord(11,9)] : true,
			[utils.asGridCoord(11,8)] : true,
			[utils.asGridCoord(11,7)] : true,
			[utils.asGridCoord(11,6)] : true,
			[utils.asGridCoord(12,5)] : true,
			[utils.asGridCoord(11,4)] : true,
			[utils.asGridCoord(11,3)] : true,
			[utils.asGridCoord(11,2)] : true,
			[utils.asGridCoord(10,1)] : true,
			[utils.asGridCoord(9,1)] : true,
			[utils.asGridCoord(8,1)] : true,
			[utils.asGridCoord(7,1)] : true,
			[utils.asGridCoord(6,1)] : true,
		}
	},
	Kitchen: {
		lowerSrc: "/images/maps/room-builder.png",
		upperSrc: "/images/maps/room-builder.png",
		gameObjects: {
			hero: new GameObject({
				x: 2,
				y: 3,
			}),
			npc1: new GameObject({
				x: 3,
				y: 6,
				src: "/images/characters/people/hero-run.png"
			})
		}
	}
}