<template>
  <n-space align="center">
    <!-- 侧边栏位置切换按钮 -->
    <n-button 
      type="default" 
      size="medium" 
      @click="$emit('toggle-sidebar-position')"
      :title="sidebarPosition === 'left' ? '切换到右侧' : '切换到左侧'"
      class="header-action-btn"
    >
      <template #icon>
        <n-icon>
          <Icon :icon="sidebarPosition === 'left' ? 'fluent:panel-right-16-regular' : 'fluent:panel-left-16-regular'" />
        </n-icon>
      </template>
    </n-button>
    
    <!-- 刷新按钮 -->
    <n-button 
      type="default" 
      size="medium" 
      @click="$emit('refresh')"
      :disabled="loading || isNew"
      :title="t('Refresh')"
      class="header-action-btn"
    >
      <template #icon>
        <n-icon>
          <Icon icon="tabler:refresh" />
        </n-icon>
      </template>
    </n-button>
    
    <!-- 删除按钮 -->
    <n-button 
      type="default" 
      size="medium" 
      @click="$emit('delete')"
      :disabled="loading || isNew"
      :title="t('Delete')"
      class="header-action-btn delete-btn"
    >
      <template #icon>
        <n-icon>
          <Icon icon="tabler:trash" />
        </n-icon>
      </template>
    </n-button>
    
    <!-- 返回按钮 -->
    <n-button type="default" size="medium" @click="$emit('go-back')" :disabled="loading">
      <template #icon>
        <n-icon><Icon icon="tabler:arrow-left" /></n-icon>
      </template>
      {{ t('Back') }}
    </n-button>
    
    <!-- 保存按钮 -->
    <n-button 
      type="primary" 
      size="medium" 
      :disabled="loading" 
      @click="$emit('save')" 
      v-if="canEdit" 
      class="save-btn-brand"
    >
      <template #icon>
        <n-icon>
          <Icon icon="tabler:check" />
        </n-icon>
      </template>
      {{ t('Save') }}
    </n-button>
  </n-space>
</template>

<script setup lang="ts">
import { ref, computed, watch, onMounted } from 'vue'
import { NButton, NSpace, NIcon } from 'naive-ui'
import { Icon } from '@iconify/vue'
import { t } from '@/shared/i18n'

interface Props {
  entity: string
  id: string
  record?: any
  canEdit: boolean
  loading: boolean
  sidebarPosition?: 'left' | 'right'
}

interface Emits {
  (e: 'toggle-sidebar-position'): void
  (e: 'refresh'): void
  (e: 'delete'): void
  (e: 'go-back'): void
  (e: 'save'): void
}

const props = withDefaults(defineProps<Props>(), {
  sidebarPosition: 'left',
  record: () => ({})
})

defineEmits<Emits>()

// 计算是否为新建记录
const isNew = computed(() => {
  const idValue = props.id
  return idValue === 'new' || idValue.startsWith('new-')
})

// 从 localStorage 读取侧边栏位置（如果父组件没有传入）
const sidebarPosition = ref<'left' | 'right'>(props.sidebarPosition || 'left')

// 监听 props 变化
watch(() => props.sidebarPosition, (newPos) => {
  if (newPos) {
    sidebarPosition.value = newPos
  }
}, { immediate: true })

onMounted(() => {
  // 如果没有传入 sidebarPosition，尝试从 localStorage 读取
  if (!props.sidebarPosition) {
    const savedPosition = localStorage.getItem('jingrow-sidebar-position')
    if (savedPosition === 'left' || savedPosition === 'right') {
      sidebarPosition.value = savedPosition
    }
  }
})
</script>

<style scoped>
/* 头部操作按钮统一样式 */
.header-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* 删除按钮悬浮时使用红色 */
.header-action-btn.delete-btn:hover:not(:disabled) {
  background: #ef4444 !important;
  border-color: #ef4444 !important;
  color: white !important;
}

.header-action-btn.delete-btn:hover:not(:disabled) :deep(.n-button__border),
.header-action-btn.delete-btn:hover:not(:disabled) :deep(.n-button__state-border) {
  border-color: #ef4444 !important;
}

/* 保存按钮 - 使用柔和的品牌色系，与列表页创建按钮一致 */
.save-btn-brand {
  background: #e6f8f0 !important;
  border: 1px solid #1fc76f !important;
  color: #0d684b !important;
}

.save-btn-brand :deep(.n-button__border) {
  border: none !important;
  border-color: transparent !important;
}

.save-btn-brand :deep(.n-button__state-border) {
  border: none !important;
  border-color: transparent !important;
}

.save-btn-brand:hover {
  background: #dcfce7 !important;
  border-color: #1fc76f !important;
  border: 1px solid #1fc76f !important;
  color: #166534 !important;
  box-shadow: 0 2px 8px rgba(31, 199, 111, 0.15) !important;
}

.save-btn-brand:hover :deep(.n-button__border),
.save-btn-brand:hover :deep(.n-button__state-border) {
  border: none !important;
  border-color: transparent !important;
}

.save-btn-brand:focus {
  background: #dcfce7 !important;
  border-color: #1fc76f !important;
  border: 1px solid #1fc76f !important;
  color: #166534 !important;
  box-shadow: 0 0 0 2px rgba(31, 199, 111, 0.2) !important;
}

.save-btn-brand:focus :deep(.n-button__border),
.save-btn-brand:focus :deep(.n-button__state-border) {
  border: none !important;
  border-color: transparent !important;
}

.save-btn-brand:active {
  background: #1fc76f !important;
  border-color: #1fc76f !important;
  border: 1px solid #1fc76f !important;
  color: white !important;
  box-shadow: 0 1px 4px rgba(31, 199, 111, 0.2) !important;
}

.save-btn-brand:active :deep(.n-button__border),
.save-btn-brand:active :deep(.n-button__state-border) {
  border: none !important;
  border-color: transparent !important;
}

.save-btn-brand:disabled {
  background: #f1f5f9 !important;
  border: 1px solid #e2e8f0 !important;
  border-color: #e2e8f0 !important;
  color: #94a3b8 !important;
  opacity: 0.6 !important;
  cursor: not-allowed !important;
}

.save-btn-brand:disabled :deep(.n-button__border),
.save-btn-brand:disabled :deep(.n-button__state-border) {
  border: none !important;
  border-color: transparent !important;
}
</style>

