<template>
  <Teleport to="body">
    <transition name="fade">
      <div v-if="visible" class="modal-mask" @click="closeModal"></div>
    </transition>

    <transition name="slide-up">
      <div v-if="visible" class="modal-panel">
        <div class="panel-handle-wrap">
          <div class="panel-handle"></div>
        </div>

        <div class="panel-title">订单时效</div>

        <div class="option-list">
          <div
            v-for="item in options"
            :key="item.value"
            class="option-item"
            @click="selectOption(item.value)"
          >
            <span :class="{ 'active-text': modelValue === item.value }">
              {{ item.label }}
            </span>

            <div v-if="modelValue === item.value" class="check-icon">
              <svg viewBox="0 0 1024 1024" width="16" height="16">
                <path d="M512 0C229.23 0 0 229.23 0 512s229.23 512 512 512 512-229.23 512-512S794.77 0 512 0z" fill="#E03C3C"/>
                <path d="M426.67 725.33L213.33 512l60.33-60.33L426.67 604.67 750.33 281l60.34 60.33-384 384z" fill="#FFFFFF"/>
              </svg>
            </div>
          </div>
        </div>

        <div class="safe-area-bottom"></div>
      </div>
    </transition>
  </Teleport>
</template>

<script setup>
import { defineProps, defineEmits } from 'vue';
import { toRef } from 'vue' // 1. 引入 toRef
import { useBodyScrollLock } from '@/composables/useBodyScrollLock' // 2. 引入 Hook

// 定义接收的属性
const props = defineProps({
  visible: {
    type: Boolean,
    default: false
  },
  modelValue: {
    type: String,
    default: ''
  }
});
useBodyScrollLock(toRef(props, 'visible'))
// 定义抛出的事件
const emit = defineEmits(['update:visible', 'update:modelValue']);

// 选项数据 (模拟设计稿内容)
const options = [
  { label: 'GTC(一直有效直到取消)', value: 'GTC' },
  { label: 'IOC(立即成交否则取消)', value: 'IOC' },
  { label: 'FOK(全部成交否则取消)', value: 'FOK' }
];

// 选择逻辑
const selectOption = (value) => {
  emit('update:modelValue', value); // 带回选中的值
  closeModal(); // 关闭弹窗
};

// 关闭逻辑
const closeModal = () => {
  emit('update:visible', false);
};
</script>

<style scoped>
/* 遮罩层样式 */
.modal-mask {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1000;
}

/* 弹窗主体样式 */
.modal-panel {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: white;
  border-radius: 16px 16px 0 0;
  padding: 10px 0 0 0;
  z-index: 1001;
  box-sizing: border-box;
  /* 模拟手机最大宽度，防止在PC上太宽 */
  max-width: 600px;
  left: 50%;
  transform: translateX(-50%);
}

/* 顶部小灰条 */
.panel-handle-wrap {
  display: flex;
  justify-content: center;
  padding-bottom: 20px;
}
.panel-handle {
  width: 36px;
  height: 4px;
  background: #E0E0E0;
  border-radius: 2px;
}

/* 标题 */
.panel-title {
  font-size: 18px;
  font-weight: bold;
  color: #333;
  padding: 0 20px 20px 20px;
}

/* 列表项 */
.option-list {
  padding: 0 20px;
}

.option-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  font-size: 16px;
  color: #999; /* 未选中默认为灰色 */
  cursor: pointer;
}

/* 选中时的文字颜色 */
.active-text {
  color: #333;
  font-weight: 500;
}

.check-icon {
  display: flex;
  align-items: center;
}

.safe-area-bottom {
  height: 30px; /* 简单的安全区预留 */
}

/* Vue 动画过渡类 */
.fade-enter-active, .fade-leave-active {
  transition: opacity 0.3s ease;
}
.fade-enter-from, .fade-leave-to {
  opacity: 0;
}

.slide-up-enter-active, .slide-up-leave-active {
  transition: transform 0.3s ease;
}
.slide-up-enter-from, .slide-up-leave-to {
  transform: translate(-50%, 100%); /* 从底部滑出 */
}
</style>