trigo-web/app/src/components/mcts/MCTSMoveNavigation.vue

<template>
	<div class="mcts-move-navigation">
		<div class="nav-buttons">
			<button @click="mctsStore.firstMove()" :disabled="isFirst" class="nav-btn">⏮ First</button>
			<button @click="mctsStore.prevMove()" :disabled="isFirst" class="nav-btn">◀ Prev</button>
			<button @click="mctsStore.nextMove()" :disabled="isLast" class="nav-btn">Next ▶</button>
			<button @click="mctsStore.lastMove()" :disabled="isLast" class="nav-btn">Last ⏭</button>
		</div>

		<div class="move-slider">
			<input
				type="range"
				:min="0"
				:max="maxMove"
				:value="currentMove"
				@input="onSliderChange"
				class="slider"
			/>
			<span class="move-label">Move {{ currentMove + 1 }} / {{ maxMove + 1 }}</span>
		</div>

		<div class="move-info">
			<span>Player: <strong>{{ currentPlayer }}</strong></span>
		</div>
	</div>
</template>

<script setup lang="ts">
import { computed } from "vue";
import { useMCTSStore } from "@/stores/mctsStore";

const mctsStore = useMCTSStore();

const currentMove = computed(() => mctsStore.currentMoveIndex);
const maxMove = computed(() => mctsStore.maxMoveIndex);
const isFirst = computed(() => currentMove.value === 0);
const isLast = computed(() => currentMove.value === maxMove.value);

const currentPlayer = computed(() => {
	const moveData = mctsStore.currentMoveData;
	return moveData ? moveData.player : "-";
});

function onSliderChange(event: Event) {
	const target = event.target as HTMLInputElement;
	mctsStore.setCurrentMoveIndex(parseInt(target.value, 10));
}
</script>

<style scoped lang="scss">
.mcts-move-navigation {
	display: flex;
	flex-direction: column;
	gap: 15px;
}

.nav-buttons {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 8px;
}

.nav-btn {
	padding: 8px 12px;
	background-color: #3a3a3a;
	border: 1px solid #505050;
	border-radius: 4px;
	color: #e0e0e0;
	font-size: 12px;
	cursor: pointer;
	transition: all 0.2s;

	&:hover:not(:disabled) {
		background-color: #4a4a4a;
		border-color: #4a90e2;
	}

	&:active:not(:disabled) {
		background-color: #2a2a2a;
	}

	&:disabled {
		opacity: 0.4;
		cursor: not-allowed;
	}
}

.move-slider {
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.slider {
	width: 100%;
	height: 6px;
	border-radius: 3px;
	background-color: #3a3a3a;
	outline: none;
	-webkit-appearance: none;

	&::-webkit-slider-thumb {
		-webkit-appearance: none;
		appearance: none;
		width: 16px;
		height: 16px;
		border-radius: 50%;
		background-color: #4a90e2;
		cursor: pointer;

		&:hover {
			background-color: #357abd;
		}
	}

	&::-moz-range-thumb {
		width: 16px;
		height: 16px;
		border-radius: 50%;
		background-color: #4a90e2;
		cursor: pointer;
		border: none;

		&:hover {
			background-color: #357abd;
		}
	}
}

.move-label {
	font-size: 13px;
	color: #c0c0c0;
	text-align: center;
}

.move-info {
	padding: 8px;
	background-color: #1a1a1a;
	border-radius: 4px;
	font-size: 12px;
	color: #a0a0a0;

	strong {
		color: #e0e0e0;
		text-transform: capitalize;
	}
}
</style>