import cacheManager from "./cacheManager.js"

/**
* 显示消息提示框
* @param content 提示的标题
*/
export function toast(content) {
  uni.showToast({
    icon: 'none',
    title: content
  })
}

/**
* 显示模态弹窗
* @param content 提示的标题
*/
export function showConfirm(content) {
  return new Promise((resolve, reject) => {
    uni.showModal({
      title: '提示',
      content: content,
      cancelText: '取消',
      confirmText: '确定',
      success: function(res) {
        resolve(res)
      }
    })
  })
}

/**
* 参数处理
* @param params 参数
*/
export function tansParams(params) {
  let result = ''
  // FIXME   拼接参数 
  return result
}

/**
 * @summary 获取请求异常与正常返回
 * @param {Object} promise
 */
export function catchError(promise) {
	return new Promise((resolve,reject) => {
		promise.then(data => {
			resolve([undefined, data.data]) 
		}).catch(err => {
			reject([err]) 
		})
	})
}

// 是否是会员
export function getUserIdentity() {
	const auth = cacheManager.get('auth');
	if (auth) {
		if ((auth.levelIdList || []).some(item => item == auth.levelId)) {
			// 购买此levelId
			return 'VIP'
		}
		// 无购买此levelId
		return 'Not-Vip';
	} else {
		// 游客
		return 'Visitor';
	}
}

export function hasUserIdentity() {
	const auth = cacheManager.get('auth');
	if (auth) {
		if (auth.cardList.length) {
			// VIP
			return 'VIP'
		}
		// 非VIP
		return 'Not-Vip';
	} else {
		// 游客
		return 'Visitor';
	}
}

export function debounce(func, wait) {
  let timeout;

  return function(...args) {
    // 清除之前的定时器
    clearTimeout(timeout);

    // 设置新的定时器
    timeout = setTimeout(() => {
      func.apply(this, args);
    }, wait);
  };
}


export function findRootNode(tree, targetId, idKey = 'id', childrenKey = 'children') {
	let root = null;

	function traverse(nodes) {
		for (const node of nodes) {
			if (node[idKey] === targetId) {
				root = nodes[0]; // 当前子树根即为目标根:ml-citation{ref="3" data="citationList"}
				return true;
			}
			if (node[childrenKey]?.length) {
				if (traverse(node[childrenKey]) && !root) {
					root = node; // 当子树找到目标时，当前节点为根:ml-citation{ref="3,8" data="citationList"}
					return true;
				}
			}
		}
		return false;
	}

	traverse(tree);
	return root;
}


export function findTreeNode(tree, targetId, childrenKey = 'children', idKey = 'id') {
	for (const node of tree) {
		if (node[idKey] === targetId) return node;
		if (node[childrenKey]?.length) {
			const found = findTreeNode(node[childrenKey], targetId, childrenKey, idKey);
			if (found) return found;
		}
	}
	return null;
}