import { ref, computed } from 'vue'

export function useSearch(items, searchFields = []) {
  const searchQuery = ref('')
  const statusFilter = ref('')
  const sourceFilter = ref('')

  const filteredItems = computed(() => {
    let result = items.value

    // 文本搜索
    if (searchQuery.value.trim()) {
      const query = searchQuery.value.toLowerCase()
      result = result.filter(item => {
        if (searchFields.length === 0) {
          // 默认搜索所有字符串字段
          return Object.values(item).some(val => 
            String(val).toLowerCase().includes(query)
          )
        }
        return searchFields.some(field => 
          String(item[field]).toLowerCase().includes(query)
        )
      })
    }

    // 状态过滤
    if (statusFilter.value) {
      result = result.filter(item => item.status === statusFilter.value)
    }

    // 来源过滤
    if (sourceFilter.value) {
      result = result.filter(item => item.source === sourceFilter.value)
    }

    return result
  })

  const resetFilters = () => {
    searchQuery.value = ''
    statusFilter.value = ''
    sourceFilter.value = ''
  }

  return {
    searchQuery,
    statusFilter,
    sourceFilter,
    filteredItems,
    resetFilters
  }
}