/**
 * 权限校验工具
 * 用于便捷控制组件或者功能入口的显示隐藏或拦截
 */

import store from '@/store';

/**
 * 字符权限校验
 * @param {Array|string} value 校验值，可以是数组或单个权限字符串
 * @returns {Boolean}
 */
export function checkPermi(value) {
	if (!value) {
		console.error('[Permission] need permissions! Like checkPermi("system:user:add") or checkPermi(["system:user:add", "system:user:edit"])');
		return false;
	}

	const permissions = store.getters?.permissions || [];
	const all_permission = '*:*:*';

	// 如果是单个字符串，转换为数组
	const permissionList = Array.isArray(value) ? value : [value];

	// 检查是否有超管权限或匹配的权限
	const hasPermission = permissions.some(permission => {
		return all_permission === permission || permissionList.includes(permission);
	});

	return hasPermission;
}

/**
 * 角色权限校验
 * @param {Array|string} value 校验值，可以是数组或单个角色名
 * @returns {Boolean}
 */
export function checkRole(value) {
	if (!value) {
		console.error('[Permission] need roles! Like checkRole("admin") or checkRole(["admin", "editor"])');
		return false;
	}

	const roles = store.getters?.roles || [];
	const super_admin = 'admin';

	// 如果是单个字符串，转换为数组
	const roleList = Array.isArray(value) ? value : [value];

	// 检查是否有超管角色或匹配的角色
	const hasRole = roleList.some(role => {
		return super_admin === role || roles.includes(role);
	});

	return hasRole;
}

/**
 * 判断是否是超级管理员
 * @returns {Boolean}
 */
export function isSuperAdmin() {
	const permissions = store.getters?.permissions || [];
	return permissions.includes('*:*:*');
}

/**
 * 获取权限列表
 * @returns {Array}
 */
export function getPermissions() {
	return store.getters?.permissions || [];
}

/**
 * 获取角色列表
 * @returns {Array}
 */
export function getRoles() {
	return store.getters?.roles || [];
}

/**
 * 获取管理员信息
 * @returns {Object|null}
 */
export function getAdminInfo() {
	return store.getters?.adminInfo || null;
}

/**
 * 权限指令配置
 * 用于 v-permission 指令
 * 使用方式: v-permission="['system:user:add']" 或 v-permission="'system:user:add'"
 */
export const permissionDirective = {
	inserted(el, binding) {
		const { value } = binding;

		if (!value) {
			console.warn('[Permission Directive] need permission value, like v-permission="\'system:user:add\'"');
			return;
		}

		if (!checkPermi(value)) {
			el.parentNode && el.parentNode.removeChild(el);
		}
	}
};

/**
 * 角色指令配置
 * 用于 v-role 指令
 * 使用方式: v-role="['admin']" 或 v-role="'admin'"
 */
export const roleDirective = {
	inserted(el, binding) {
		const { value } = binding;

		if (!value) {
			console.warn('[Role Directive] need role value, like v-role="\'admin\'"');
			return;
		}

		if (!checkRole(value)) {
			el.parentNode && el.parentNode.removeChild(el);
		}
	}
};

// 导出默认对象
export default {
	checkPermi,
	checkRole,
	isSuperAdmin,
	getPermissions,
	getRoles,
	getAdminInfo,
	permissionDirective,
	roleDirective
};