/**
 * Mock数据生成器
 * 基于API文档定义生成符合规范的模拟数据
 */

import type { Result, User, Role, Menu, OperationLog } from '@/types';

// 生成模拟用户数据
export const generateMockUser = (id?: number): User => {
    const userId = id || Math.floor(Math.random() * 10000) + 1;
    return {
        id: userId,
        username: `user${userId}`,
        email: `user${userId}@example.com`,
        phone: `138${Math.random().toString().substring(2, 11).padEnd(11, '0').substring(0, 9)}`,
        nickname: `昵称${userId}`,
        status: Math.random() > 0.5 ? 'ENABLED' : 'DISABLED',
        remark: `用户${userId}的备注`,
        createBy: 'admin',
        updateBy: 'admin',
        createdAt: new Date(Date.now() - Math.random() * 10000000000).toISOString(),
        updatedAt: new Date().toISOString(),
        permissions: ['user:view', 'user:edit'],
        roles: []
    };
};

// 生成模拟角色数据
export const generateMockRole = (id?: number): Role => {
    const roleId = id || Math.floor(Math.random() * 1000) + 1;
    return {
        id: roleId,
        name: `角色${roleId}`,
        roleKey: `role${roleId}`,
        description: `角色${roleId}的描述`,
        status: Math.random() > 0.5 ? 'ENABLED' : 'DISABLED',
        sortOrder: Math.floor(Math.random() * 100),
        remark: `角色${roleId}的备注`,
        menuIds: [],
        createdAt: new Date(Date.now() - Math.random() * 10000000000).toISOString(),
        updatedAt: new Date().toISOString()
    };
};

// 生成模拟菜单数据
export const generateMockMenu = (id?: number, parentId?: number): Menu => {
    const menuId = id || Math.floor(Math.random() * 1000) + 1;
    return {
        id: menuId,
        name: `菜单${menuId}`,
        code: `menu${menuId}`,
        path: `/menu${menuId}`,
        icon: 'MenuOutlined',
        parentId: parentId || 0,
        sortOrder: Math.floor(Math.random() * 100),
        status: Math.random() > 0.5 ? 'ENABLED' : 'DISABLED',
        component: `views/Menu${menuId}.vue`,
        redirect: '',
        description: `菜单${menuId}的描述`,
        children: [],
        createdAt: new Date(Date.now() - Math.random() * 10000000000).toISOString(),
        updatedAt: new Date().toISOString()
    };
};

// 生成模拟操作日志数据
export const generateMockOperationLog = (id?: number): OperationLog => {
    const logId = id || Math.floor(Math.random() * 10000) + 1;
    const modules = ['用户管理', '角色管理', '菜单管理', '权限管理', '操作日志', '系统设置'];
    const operations = ['查询', '新增', '修改', '删除', '导出', '导入', '登录', '登出'];
    const methods = ['GET', 'POST', 'PUT', 'DELETE'];
    const paths = ['/sys/user/query', '/sys/user/create', '/sys/user/update', '/sys/user/delete', '/sys/role/query', '/sys/role/create', '/sys/menu/query', '/sys/operationLog/query'];
    const statuses = ['success', 'error'];
    const status = statuses[Math.floor(Math.random() * statuses.length)];
    const isError = status === 'error';

    return {
        id: logId,
        userId: Math.floor(Math.random() * 10) + 1,
        username: `user${Math.floor(Math.random() * 10) + 1}`,
        module: modules[Math.floor(Math.random() * modules.length)],
        operation: operations[Math.floor(Math.random() * operations.length)],
        method: methods[Math.floor(Math.random() * methods.length)],
        path: paths[Math.floor(Math.random() * paths.length)],
        params: JSON.stringify({
            page: Math.floor(Math.random() * 10) + 1,
            pageSize: 10,
            username: `user${Math.floor(Math.random() * 10) + 1}`
        }),
        ip: `192.168.${Math.floor(Math.random() * 255)}.${Math.floor(Math.random() * 255)}`,
        status,
        errorMsg: isError ? '操作失败：权限不足或参数错误' : undefined,
        duration: Math.floor(Math.random() * 1000) + 10,
        createdAt: new Date(Date.now() - Math.random() * 10000000000).toISOString()
    };
};

// 生成分页结果
export const generatePageResult = <T>(data: T[], current: number = 1, pageSize: number = 10) => {
    const start = (current - 1) * pageSize;
    const end = start + pageSize;
    const records = data.slice(start, end);

    return {
        records,
        total: data.length,
        current,
        size: pageSize
    };
};

// 模拟成功响应
export const successResponse = <T>(data: T, message: string = 'Success'): Result<T> => {
    return {
        code: '200',
        message,
        data
    };
};

// 模拟错误响应
export const errorResponse = <T = any>(code: string = '500', message: string = 'Error'): Result<T> => {
    return {
        code,
        message,
        data: null as unknown as T
    };
};

// 生成随机延迟
export const randomDelay = (min: number = 200, max: number = 800) => {
    const delay = Math.random() * (max - min) + min;
    return new Promise(resolve => setTimeout(resolve, delay));
};