<template>
  <div v-if="show" class="guide-modal-overlay" @click="handleOverlayClick">
    <div class="guide-modal-container" @click.stop>
      <!-- 关闭按钮 -->
      <button class="close-button" @click="closeModal" :title="t('header.skipGuide')">
        <span class="close-icon">×</span>
      </button>
      
      <!-- 进度指示器 -->
      <div class="progress-indicator">
        <div 
          v-for="(step, index) in guideSteps" 
          :key="index"
          class="progress-dot"
          :class="{ active: index === currentStep, completed: index < currentStep }"
        ></div>
      </div>
      
      <!-- 引导内容区域 -->
      <div class="guide-content">
        <!-- 添加轮播容器 -->
        <div class="guide-content-wrapper" :style="{ transform: `translateX(-${currentStep * 100}%)` }">
          <div v-for="(step, index) in guideSteps" :key="index" class="guide-step">
            <!-- 左侧图片区域 -->
            <div class="guide-image-container">
              <div class="image-wrapper">
                <img 
                  :src="step.image" 
                  :alt="step.title"
                  class="guide-image"
                />
                <div class="image-decoration"></div>
              </div>
            </div>
            
            <!-- 右侧文字描述区域 -->
            <div class="guide-text-container">
              <div class="text-content">
                <h2 class="guide-title">{{ step.title }}</h2>
                <p class="guide-description">{{ step.description }}</p>
                
                <!-- 额外提示信息 -->
                <div v-if="step.tips" class="guide-tips">
                  <div class="tips-icon">💡</div>
                  <div class="tips-text">{{ step.tips }}</div>
                </div>
              </div>
              
              <!-- 按钮区域 -->
              <div class="guide-actions">
                <!-- 上一步按钮 -->
                <button 
                  v-if="currentStep > 0" 
                  class="action-button secondary"
                  @click="prevStep"
                >
                  {{ t('header.previous') }}
                </button>
                
                <!-- 跳过按钮 -->
                <button 
                  class="action-button skip"
                  @click="skipGuide"
                >
                  {{ t('header.skipGuide') }}
                </button>
                
                <!-- 下一步/完成按钮 -->
                <button 
                  class="action-button primary"
                  @click="nextStep"
                >
                  {{ isLastStep ? t('header.startCreating') : t('header.next') }}
                </button>
              </div>
            </div>
          </div>
        </div>
      </div>
      
      <!-- 步骤指示器 -->
      <div class="step-indicator">
        <span class="step-text">{{ t('header.step') }} {{ currentStep + 1 }} / {{ guideSteps.length }}</span>
      </div>
    </div>
  </div>
</template>

<script setup>
import { ref, computed } from 'vue';
import { useI18n } from 'vue-i18n';

// 定义props
const props = defineProps({
  show: {
    type: Boolean,
    default: false
  }
});

// 定义emits
const emit = defineEmits(['close', 'complete']);

// 国际化
const { t } = useI18n();

// 当前步骤索引
const currentStep = ref(0);

// 引导步骤数据
const guideSteps = computed(() => [
  {
    id: 1,
    title: t('guideModal.step1.title'),
    description: t('guideModal.step1.description'),
    image: new URL('@/assets/step/creatProject/step1.png', import.meta.url).href,
    tips: t('guideModal.step1.tips')
  },
  {
    id: 2,
    title: t('guideModal.step2.title'),
    description: t('guideModal.step2.description'),
    image: new URL('@/assets/step/creatProject/step2.png', import.meta.url).href,
    tips: t('guideModal.step2.tips')
  },
  {
    id: 3,
    title: t('guideModal.step3.title'),
    description: t('guideModal.step3.description'),
    image: new URL('@/assets/step/creatProject/step3.png', import.meta.url).href,
    tips: t('guideModal.step3.tips')
  },
  {
    id: 4,
    title: t('guideModal.step4.title'),
    description: t('guideModal.step4.description'),
    image: new URL('@/assets/step/creatProject/step4.png', import.meta.url).href,
    tips: t('guideModal.step4.tips')
  }
]);

// 计算属性：当前步骤数据
const currentStepData = computed(() => {
  return guideSteps.value[currentStep.value] || {};
});

// 计算属性：是否为最后一步
const isLastStep = computed(() => {
  return currentStep.value === guideSteps.value.length - 1;
});

// 方法：上一步
const prevStep = () => {
  if (currentStep.value > 0) {
    currentStep.value--;
  }
};

// 方法：下一步
const nextStep = () => {
  if (currentStep.value < guideSteps.value.length - 1) {
    currentStep.value++;
  } else {
    // 如果是最后一步，完成引导
    completeGuide();
  }
};

// 方法：关闭弹窗
const closeModal = () => {
  emit('close');
};

// 方法：完成引导
const completeGuide = () => {
  emit('complete');
  closeModal();
};

// 方法：跳过引导
const skipGuide = () => {
  closeModal();
};
</script>

<style scoped>
.guide-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(3px);
  animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.guide-modal-container {
  background: linear-gradient(135deg, rgba(107, 70, 193, 0.85) 0%, rgba(147, 51, 234, 0.85) 100%);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  width: 90%;
  max-width: 900px;
  max-height: 85vh;
  overflow: hidden;
  position: relative;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  animation: slideUp 0.4s ease-out;
  color: white;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.close-button {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 10;
}

.close-button:hover {
  background-color: rgba(255, 255, 255, 0.25);
  transform: scale(1.1);
}

.close-icon {
  font-size: 24px;
  line-height: 1;
  font-weight: 300;
}

.progress-indicator {
  display: flex;
  justify-content: center;
  padding: 20px 0 10px;
  gap: 8px;
}

.progress-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.3);
  transition: all 0.3s ease;
}

.progress-dot.active {
  width: 24px;
  border-radius: 4px;
  background-color: white;
}

.progress-dot.completed {
  background-color: rgba(255, 255, 255, 0.7);
}

.guide-content {
  display: flex;
  flex: 1;
  overflow: hidden;
  position: relative;
}

/* 添加轮播容器 */
.guide-content-wrapper {
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.guide-step {
  min-width: 100%;
  display: flex;
  flex: 1;
}

.guide-image-container {
  flex: 1;
  padding: 0 20px 20px 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  max-height: 350px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.guide-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.image-wrapper:hover .guide-image {
  transform: scale(1.03);
}

.image-decoration {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, rgba(107, 70, 193, 0.2) 0%, rgba(147, 51, 234, 0.2) 100%);
}

.guide-text-container {
  flex: 1;
  padding: 0 40px 20px 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.text-content {
  flex: 1;
}

.guide-title {
  font-size: 28px;
  font-weight: 700;
  margin: 0 0 16px;
  line-height: 1.2;
}

.guide-description {
  font-size: 16px;
  line-height: 1.6;
  margin: 0 0 20px;
  opacity: 0.9;
}

.guide-tips {
  display: flex;
  align-items: flex-start;
  background-color: rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  padding: 12px;
  margin-top: 16px;
}

.tips-icon {
  font-size: 18px;
  margin-right: 8px;
  flex-shrink: 0;
}

.tips-text {
  font-size: 14px;
  line-height: 1.4;
}

.guide-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 24px;
}

.action-button {
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.action-button.primary {
  background-color: rgba(255, 255, 255, 0.9);
  color: #6B46C1;
}

.action-button.primary:hover {
  background-color: rgba(255, 255, 255, 0.95);
  transform: translateY(-2px);
}

.action-button.secondary {
  background-color: rgba(255, 255, 255, 0.15);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.action-button.secondary:hover {
  background-color: rgba(255, 255, 255, 0.25);
}

.action-button.skip {
  background-color: transparent;
  color: rgba(255, 255, 255, 0.7);
  margin-right: auto;
}

.action-button.skip:hover {
  color: white;
  text-decoration: underline;
}

.step-indicator {
  text-align: center;
  padding: 16px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.step-text {
  font-size: 14px;
  opacity: 0.7;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .guide-step {
    flex-direction: column;
  }
  
  .guide-image-container,
  .guide-text-container {
    padding: 0 20px 20px;
  }
  
  .guide-title {
    font-size: 24px;
  }
  
  .guide-actions {
    flex-wrap: wrap;
  }
  
  .action-button.skip {
    margin-right: 0;
    margin-bottom: 8px;
  }
}
</style>