<template>
  <ModalTransition class="game-swiper" :show="show">
    <div class="scene-item item-1" @click="handleGoHome">
      <img src="../assets/images/new/go-home.webp" alt="回到首页">
    </div>

    <div class="confirm-layout" v-if="isConfirmBtnDisplay">
      <div class="scene-item item-3" @click="handleConfirmClick">
        <img src="../assets/images/new/confirm-btn.webp" alt="确定">
      </div>
    </div>

    <div class="swiper-page">
      <div class="carousel-container">
        <div 
          class="carousel-wrapper"
          @touchstart="handleTouchStart"
          @touchmove="handleTouchMove"
          @touchend="handleTouchEnd"
        >
          <div 
            class="carousel-track" 
            :style="{ transform: `translateX(calc(-${currentIndex * 104}% + ${currentIndex * 60}px))`, transition: isTransitioning ? 'transform 0.3s ease' : 'none' }"
          >
            
            <div 
              v-for="(slide, index) in slides" 
              :key="index" 
              :class="['carousel-slide', { active: currentIndex === index }]"
            >
              <img v-show="slide.show" class="complete-icon" src="../assets/images/new/complete-icon.webp" alt="已完成">
              <img :src="slide.image" :alt="slide.title" />

              <div class="shou-dev">
                <div class="show-position">
                  <div class="action-btn">
                    <img class="shou-click" src="../assets/images/new/pre-icon.webp" alt="左" />
                    <img class="shou-click" src="../assets/images/new/next-icon.webp" alt="右" />
                  </div>
                  <img class="shou-btn" src="../assets/images/new/shouzhi.webp" alt="手" />
                </div>
              </div>
            </div>
          </div>
        </div>

        <!-- 指示器 -->
        <div class="carousel-indicators">
          <span 
            v-for="(slide, index) in slides" 
            :key="index"
            :class="['indicator', { active: currentIndex === index }]"
            @click="goToSlide(index)"
          ></span>
        </div>
      </div>
    </div>
  </ModalTransition>
</template>

<script setup>
import { ref, onMounted, onUnmounted, watch, computed } from 'vue'
import ModalTransition from "./ModalTransition.vue"
import globalToastEvent, { ToastType } from '../globalToastEvent';
import { Request } from "../libs/utils"
import slider1 from '../assets/images/new/slider1.webp';
import slider2 from '../assets/images/new/slider2.webp';
import slider3 from '../assets/images/new/slider3.webp';
import slider4 from '../assets/images/new/slider4.webp';
import slider5 from '../assets/images/new/slider5.webp';
import { globalStore } from "../globalstore.js";

const props = defineProps({
  show: false,
})

const emit = defineEmits(['close'])

// 轮播图数据
const slides = ref([
  {
    image: slider1,
    title: '轮播图1',
    id: 1,
    show: true,
  },
  {
    image: slider2,
    title: '轮播图2',
    id: 2,
    show: true,
  },
  {
    image: slider3,
    title: '轮播图3',
    id: 3,
    show: true,
  },
  {
    image: slider4,
    title: '轮播图4',
    id: 4,
    show: true,
  },
  {
    image: slider5,
    title: '轮播图5',
    id: 5,
    show: true,
  }
])

const isConfirmBtnDisplay = computed(() => {
  const slide = slides.value?.[currentIndex.value];
  return !globalStore.completed_games_today.includes(`game${slide.id}`);
})

const getGameInfo = async () => {
  slides.value = slides.value.map(slide => ({
    ...slide,
    show: globalStore.completed_games_today.includes(`game${slide.id}`)
  }));
}

watch(() => props.show, async (newVal) => {
  if (!newVal) {
    return
  }
  getGameInfo();
}, { immediate: true })

const handleGoHome = () => {
  emit('close')
}


const currentIndex = ref(0)
const startX = ref(0)
const moveX = ref(0)
const isDragging = ref(false)
const isTransitioning = ref(true)
let autoPlayTimer = null

// 触摸开始
const handleTouchStart = (e) => {
  startX.value = e.touches[0].clientX
  isDragging.value = true
  isTransitioning.value = false
  stopAutoPlay()
}

// 触摸移动
const handleTouchMove = (e) => {
  if (!isDragging.value) return
  moveX.value = e.touches[0].clientX - startX.value
}

// 触摸结束
const handleTouchEnd = () => {
  if (!isDragging.value) return
  
  isTransitioning.value = true
  const threshold = 50 // 滑动阈值
  
  if (moveX.value > threshold) {
    // 向右滑动 - 上一张
    prevSlide()
  } else if (moveX.value < -threshold) {
    // 向左滑动 - 下一张
    nextSlide()
  }
  
  isDragging.value = false
  moveX.value = 0
//   startAutoPlay()
}

// 上一张
const prevSlide = () => {
  currentIndex.value = currentIndex.value > 0 
    ? currentIndex.value - 1 
    : slides.value.length - 1
}

// 下一张
const nextSlide = () => {
  currentIndex.value = currentIndex.value < slides.value.length - 1 
    ? currentIndex.value + 1 
    : 0
}

// 跳转到指定幻灯片
const goToSlide = (index) => {
  isTransitioning.value = true
  currentIndex.value = index
  stopAutoPlay()
  // startAutoPlay()
}

const hasVisitedBefore = localStorage.getItem('hasVisitedGameSwiper');
const handleConfirmClick = async () => {
  const loading = weui.loading()
  const slide = slides.value?.[currentIndex.value]
  if (!slide) return
  handleSlideClick(slide)

  // 点击确定按钮开始游戏，调用一次game log接口
  const gameSource = `game${slide.id}`;
  globalStore.game_id = gameSource;
  let gameLogRes = await Request("game/log", { source: globalStore.game_id }, "POST");
  if (!gameLogRes || !gameLogRes.res || (gameLogRes.res.status !== 200 && gameLogRes.res.status !== 201)) {
    emit('close')
    loading.hide()
    return
  } else {
    globalStore.current_game_log_id = gameLogRes.json.log_id;
  }
}

const handleSlideClick = (slide) => {
  
  if (!hasVisitedBefore) {
    localStorage.setItem('hasVisitedGameSwiper', 'true');
    globalToastEvent.emit(ToastType.SHOW_GAMEDEMO)
    globalToastEvent.emit(ToastType.SHOW_GAMEPAGE, slide)
  } else {
    globalToastEvent.emit(ToastType.SHOW_GAMEPAGE, slide)
  }
}

// 自动播放
const startAutoPlay = () => {
  autoPlayTimer = setInterval(() => {
    nextSlide()
  }, 3000) // 每3秒切换一次
}

// 停止自动播放
const stopAutoPlay = () => {
  if (autoPlayTimer) {
    clearInterval(autoPlayTimer)
    autoPlayTimer = null
  }
}

// 生命周期
onMounted(() => {
//   startAutoPlay()
})

onUnmounted(() => {
  stopAutoPlay()
})
</script>

<style scoped>
/* 手指轻微上下浮动 */
.shou-dev .shou-btn {
  width: 25vw;
  position: absolute;
  top: 7vw;
  left: 20vw;
  animation: hand-bounce 1.2s ease-in-out infinite;
  transform-origin: center bottom;
}

@keyframes hand-bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px); /* 上浮一点点 */
  }
}

/* 确保按钮容器居中，方便做左右位移动画 */
.action-btn {
  display: flex;
  flex-flow: row;
  justify-content: center;
  align-items: center;
  position: relative;
}

/* 左箭头 向左轻微移动 */
.action-btn .shou-click:first-child {
  width: 24vw;
  animation: arrow-left-move 1.2s ease-in-out infinite;
}

@keyframes arrow-left-move {
  0%, 100% {
    transform: translateX(0);
    opacity: 0.6;
  }
  50% {
    transform: translateX(-6px); /* 往左移动一点 */
    opacity: 1;
  }
}

/* 右箭头 向右轻微移动 */
.action-btn .shou-click:last-child {
  width: 24vw;
  animation: arrow-right-move 1.2s ease-in-out infinite;
}

@keyframes arrow-right-move {
  0%, 100% {
    transform: translateX(0);
    opacity: 0.6;
  }
  50% {
    transform: translateX(6px); /* 往右移动一点 */
    opacity: 1;
  }
}
.show-position {
  position: relative;
}
.shou-dev {
  position: absolute;
  top: 50vw;
  left: 11vw;
}
.shou-dev .shou-btn {
  width: 25vw;
  position: absolute;
  top: 7vw;
  left: 20vw;
}
.action-btn {
  display: flex;
  flex-flow: row;
  justify-content: center;
}
.action-btn .shou-click {
  width: 24vw;
}

.complete-icon {
  width: 14vw !important;
  position: absolute;
  left: 2vw;
  top: -2vw;
}
.scene-item {
  position: fixed;
  cursor: pointer;
  transition: all 0.4s ease;
  overflow: hidden;
  animation: float 4s ease-in-out infinite;
}
.scene-item:hover {
  transform: scale(1.05);
}
.scene-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.item-1 {
  width: 14vw;
  height: 14vw;
  top: 6.8vw;
  left: 3vw;
  animation-delay: 0s;
}
.item-2 {
  width: 12vw;
  height: 12vw;
  top: 8vw;
  right: 2vw;
  animation-delay: 0s;
}

.item-3 {
  width: 46vw;
  bottom: 14vw;
  animation-delay: 0s;
}

.confirm-layout {
  display: flex;
  justify-content: center;
}

.swiper-page {
  width: 100%;
  min-height: 100vh;
  background: #f5f5f5;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  box-sizing: border-box;
  background-image: url('../assets/images/new/swiper-page-bg.webp');
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
}

.carousel-container {
  width: 100%;
  max-width: 100vw;
  position: relative;
  padding: 0 20px;
  box-sizing: border-box;
}

.carousel-wrapper {
  width: 80vw;
  overflow: visible;
  position: relative;
  touch-action: pan-y;
}

.carousel-track {
  display: flex;
  flex-direction: row;
  width: 100%;
  padding: 20px 0;
}

.carousel-slide {
  min-width: calc(100% - 160px);
  width: calc(100% - 160px);
  margin: 0 20px;
  flex-shrink: 0;
  cursor: pointer;
  user-select: none;
  transition: all 0.3s ease;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transform: scale(0.85);
  opacity: 0.5;
  filter: grayscale(60%) brightness(0.7);
}

.carousel-slide.active {
  transform: scale(1);
  opacity: 1;
  filter: grayscale(0%) brightness(1);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  z-index: 2;
}

.carousel-slide img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  pointer-events: none;
}

/* 指示器 */
.carousel-indicators {
  position: absolute;
  bottom: -8vw;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 2vw;
  padding: 2vw 4vw;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 4vw;
  backdrop-filter: blur(4px);
}

.indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.6);
  cursor: pointer;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.indicator:hover {
  background: rgba(255, 255, 255, 0.8);
  transform: scale(1.2);
}

.indicator.active {
  background: #fff;
  width: 28px;
  border-radius: 5px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* 移动端适配 */
@media (max-width: 768px) {
  .game-page {
    padding: 10px;
  }
  
  .carousel-container {
    padding: 0 10px;
  }
  
  .carousel-slide {
    min-width: calc(100% - 12vw);
    width: calc(100% - 12vw);
    margin: 0 10px;
    border-radius: 8px;
  }
  
  .carousel-track {
    padding: 10px 0;
  }
}
</style>
