binmat/doMovePlay.js

binmat simulator

import { StatusCode, Role, CardModifier } from "./shared.js"
function doMovePlay(state, card, lane) {
	if (state.turn >= state.turns) return { status: StatusCode.MadeMoveOnFinishedGame }
	let cardPlayed
	if ((state.turn % 2) + 1 == Role.Defender) {
		if (state.defenderStacks[lane].isFaceUp) return { status: StatusCode.PlayedCardFacedWrongWay }
		if (card[0] == CardModifier.Break && !state.defenderStacks[lane].cards.length)
			return { status: StatusCode.PlayedBreakToEmptyStack }
		const index =
			2 == card.length ?
				state.defenderHand.indexOf(card)
			:	state.defenderHand.findIndex(([value]) => value == card)
		if (-1 == index) return { status: StatusCode.PlayedUnownedCard }
		;(cardPlayed = state.defenderHand.splice(index, 1)[0]), state.defenderStacks[lane].cards.push(cardPlayed)
	} else {
		const index =
			2 == card.length ?
				state.attackerHand.indexOf(card)
			:	state.attackerHand.findIndex(([value]) => value == card)
		if (-1 == index) return { status: StatusCode.PlayedUnownedCard }
		;(cardPlayed = state.attackerHand.splice(index, 1)[0]), state.attackerStacks[lane].push(cardPlayed)
	}
	return (
		state.turn++,
		state.turn == state.turns ?
			{ status: StatusCode.DefenderWin, cardPlayed: cardPlayed }
		:	{ status: StatusCode.Ok, cardPlayed: cardPlayed }
	)
}
export { doMovePlay }