/*
	SHIFTS PLUGIN
	use1: shift @Stainsycle 		// today
	use2: shift @Stainsycle 2/6		// shift on 2nd of June
	use2: shift @Stainsycle 12/6/2019	// shift on 12nd of June 2019
*/
class Shifts {
	constructor(apiGW){
		this.apiGW = apiGW;
		apiGW.steamChat.on("chatCommand", async (event) => {
			if(event.command != "shift")
				return;
			await this.getShift(event);
			event.setAsHandled();
		});
	}

	async getShift(ev){
		const remindRegEx = /^(@Stainsycle).?([0-9]{1,2}.[0-9]{1,2})?((?:.2019)|(?:.2020))?$/;

		let object = [];
		object[0] = ev.groupName;
		object[1] = ev.roomName;

		let reRes = remindRegEx.exec(ev.argument);
		let date = new Date();
		let a = 0;
		if(reRes[2]!=null){
			a = reRes[2].split("/");
			a[1] = Number(a[1])-1;
			date = new Date((reRes[3]==null)?date.getFullYear():reRes[3].slice(1,5), a[1], a[0]);
		}
		let start = new Date(2019, 7, 1, 1, 0, 0);
		let diff = Math.floor((date.getTime()-start.getTime())/(1000*3600*24), 0);
		if(a != 0) diff++;
		diff = diff % 10;
		switch(diff){
			case 0: await ev.sendResponse("Ranni 6:00-16:00 1/2"); break;
			case 1: await ev.sendResponse("Ranni 6:00-16:00 2/2"); break;
			case 2: await ev.sendResponse("Odpoledni 14:00-24:00 1/2"); break;
			case 3: await ev.sendResponse("Odpoledni 14:00-24:00 2/2"); break;
			case 4: await ev.sendResponse("Nocni 22:00-00:00 1/2"); break;
			case 5: await ev.sendResponse("Nocni 00:00-08:00 a 22:00-00:00"); break;
			case 6: await ev.sendResponse("Nocni 00:00-08:00"); break;
			case 7: await ev.sendResponse("Volno 2/4"); break;
			case 8: await ev.sendResponse("Volno 3/4"); break;
			case 9: await ev.sendResponse("Volno 4/4"); break;
		}
	}
}

module.exports = Shifts;