<template>
  <div class="container">
    <div class="joint-control" v-for="joint in jointList" :key="joint.name">
    <div class="joint-header">
      <span class="joint-name">{{ joint.displayName }}</span>
      <span class="joint-type">{{ joint.type.toUpperCase() }}</span>
    </div>
    
    <div class="joint-info">
      <span class="angle-display">{{ formatAngle(joint.value) }}</span>
      <span class="limits">[{{ formatAngle(joint.min) }}, {{ formatAngle(joint.max) }}]</span>
    </div>
    
    <div class="slider-container">
      <el-slider size="small" v-model="joint.value" :min="joint.min" :max="joint.max" :step="joint.step" @input="(value) => updateJointAngle(joint.name, value)"/>
      <div class="slider-labels">
        <span>{{ formatAngle(joint.min) }}</span>
        <span>{{ formatAngle(joint.max) }}</span>
      </div>
    </div>
  </div>
  </div>
</template>
<script setup>
const props = defineProps({
  jointList: {
    type: Array,
    default: () => []
  }
})

const emits = defineEmits(['updateJointAngle'])

const updateJointAngle = (name, value) => {
  emits('updateJointAngle', { name, value })
}

/**
 * 角度格式化
 */
const formatAngle = (radians) => {
  const degrees = (radians * 180 / Math.PI).toFixed(1)
  return `${degrees}°`
}
</script>
<style lang="scss" scoped>
.container {
  width: 100%;
  height: 100%;

  .joint-control {
    border-radius: 6px;
    padding: 15px;
    margin-bottom: 15px;
    border: 1px solid #cfcfcf;

    .joint-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 10px;

      .joint-name {
        font-weight: 600;
        font-size: 14px;
      }

      .joint-type {
        font-size: 11px;
        background: rgba(52, 152, 219, 0.3);
        color: #3498db;
        padding: 3px 8px;
        border-radius: 12px;
        font-weight: 500;
      }
    }

    .joint-info {
      display: flex;
      justify-content: space-between;
      margin-bottom: 10px;
      font-size: 13px;

      .angle-display {
        color: #f1c40f;
        font-weight: 600;
        font-size: 14px;
      }

      .limits {
        color: #95a5a6;
        font-size: 11px;
        font-family: monospace;
      }
    }

    .slider-container {
      padding: 0 5px;

      .joint-slider {
        width: 100%;
        height: 8px;
        -webkit-appearance: none;
        background: #34495e;
        border-radius: 4px;
        outline: none;
        margin-bottom: 8px;
        cursor: pointer;

        &::-webkit-slider-thumb {
          -webkit-appearance: none;
          width: 20px;
          height: 20px;
          border-radius: 50%;
          background: #ecf0f1;
          cursor: pointer;
          border: 2px solid #3498db;
          box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
          transition: all 0.2s;
        }
      }

      .slider-labels {
        display: flex;
        justify-content: space-between;
        font-size: 11px;
        color: #7f8c8d;
        margin-top: 5px;
      }
    }
  }
}
</style>