<script setup>
// Define props that Vue Flow passes to custom nodes
const props = defineProps([
  'id',           // Node ID
  'data',         // Custom data object
  'selected',     // Selection state
  'label'         // Node label
])

// Computed for shape styling
const shapeStyle = computed(() => {
  return {
    width: `${props.data?.width || 200}px`,
    height: `${props.data?.height || 150}px`,
    '--node-bg-color': props.data?.backgroundColor || '#f8fafc',
    '--node-border-color': props.data?.borderColor || '#e2e8f0',
    '--node-text-color': props.data?.textColor || '#475569',
    position: 'relative',
    cursor: 'move',
    zIndex: props.data?.zIndex || -10 // Behind process nodes
  }
})

const displayLabel = computed(() => {
  return props.label || props.data?.label || ''
})

const displayDescription = computed(() => {
  return props.data?.description || ''
})
</script>

<template>
  <div 
    :class="['custom-node', 'shape-node', 'shape-hexagon', { 'selected': selected }]"
    :style="shapeStyle"
  >
    <div class="custom-node-content" v-if="displayLabel || displayDescription">
      <div class="custom-node-label" v-if="displayLabel">{{ displayLabel }}</div>
      <div class="shape-description" v-if="displayDescription">{{ displayDescription }}</div>
    </div>
  </div>
</template>

<style scoped>
/* Hexagon shape using CSS clip-path */
.shape-hexagon {
  background: var(--node-bg-color);
  color: var(--node-text-color);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: all 0.2s ease;
  border: 2px solid var(--node-border-color);
  clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
}

.shape-hexagon.selected {
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.shape-hexagon:hover {
  border-color: #94a3b8;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.custom-node-content {
  position: relative;
  z-index: 1;
  text-align: center;
  overflow: hidden;
  padding: 20px;
}

.custom-node-label {
  font-weight: 500;
  margin-bottom: 4px;
  user-select: none;
  word-wrap: break-word;
  font-size: 14px;
}

.shape-description {
  font-size: 12px;
  opacity: 0.7;
  user-select: none;
  word-wrap: break-word;
}

/* Ensure shape doesn't interfere with node connections */
.shape-node * {
  pointer-events: none;
}

.shape-node {
  pointer-events: all;
}

/* Resize handles for shapes when selected */
.shape-node.selected::after {
  content: '';
  position: absolute;
  bottom: -4px;
  right: -4px;
  width: 8px;
  height: 8px;
  background: #3b82f6;
  border: 2px solid white;
  border-radius: 50%;
  cursor: nw-resize;
  pointer-events: all;
}
</style> 