import { ref, computed } from 'vue'
import { getButtons } from '/src/api/work/index.js'

// 权限相关的组合式函数
export function usePermission() {
	const permission = ref({})

	// 从权限树中提取所有权限code
	function extractPermissionCodes(list) {
		let result = []
		const newPermission = {}

		function traverse(items) {
			items.forEach(ele => {
				if (typeof ele === 'object') {
					const children = ele.children
					const code = ele.code
					if (children) {
						traverse(children)
					} else {
						result.push(code)
					}
				}
			})
		}
		traverse(list)
		result.forEach(ele => {
			newPermission[ele] = true
		})

		return newPermission
	}

	// 获取权限数据
	const getButtonsApi = () => {
		return new Promise((resolve, reject) => {
			getButtons({ sysType: 1 })
				.then(res => {
					const data = res.data.data
					permission.value = extractPermissionCodes(data)
					resolve(permission.value)
				})
				.catch(reject)
		})
	}

	return {
		permission,
		getButtonsApi,
	}
}