<?php

namespace App\Http\Requests\Admin\System;

use App\Http\Requests\BaseRequest;

/**
 * 系统菜单请求验证
 */
class SystemMenuRequest extends BaseRequest
{
    /**
     * 获取特定验证规则
     */
    protected function getSpecificRules(): array
    {
        $action = $this->route()->getActionMethod();

        return match($action) {
            'list' => $this->listRules(),
            'detail' => $this->detailRules(),
            'create' => $this->createRules(),
            'update' => $this->updateRules(),
            'delete' => $this->deleteRules(),
            'batchDelete' => $this->batchDeleteRules(),
            'simpleList', 'tree', 'parentMenus' => [],
            default => []
        };
    }

    /**
     * 获取分页验证规则
     */
    private function getPaginationRules(): array
    {
        return [
            'page' => ['sometimes', 'integer', 'min:1'],
            'page_size' => ['sometimes', 'integer', 'min:1', 'max:100'],
        ];
    }

    /**
     * 列表查询验证规则
     */
    private function listRules(): array
    {
        return array_merge($this->getPaginationRules(), [
            'keyword' => ['sometimes', 'string', 'max:50'],
            'status' => ['sometimes', 'integer', 'in:0,1'],
            'type' => ['sometimes', 'integer', 'in:1,2,3'],
            'parent_id' => ['sometimes', 'integer', 'min:0'],
            'visible' => ['sometimes', 'integer', 'in:0,1'],
        ]);
    }

    /**
     * 详情查询验证规则
     */
    private function detailRules(): array
    {
        return [
            'id' => ['required', 'integer', 'exists:system_menu,id'],
        ];
    }

    /**
     * 创建验证规则
     */
    private function createRules(): array
    {
        return [
            'name' => ['required', 'string', 'max:50'],
            'parent_id' => ['sometimes', 'integer', 'min:0'],
            'type' => ['required', 'integer', 'in:1,2,3'],
            'path' => ['sometimes', 'string', 'max:200'],
            'icon' => ['sometimes', 'string', 'max:100'],
            'component' => ['sometimes', 'string', 'max:200'],
            'component_name' => ['sometimes', 'string', 'max:50'],
            'status' => ['sometimes', 'integer', 'in:0,1'],
            'visible' => ['sometimes', 'integer', 'in:0,1'],
            'keep_alive' => ['sometimes', 'integer', 'in:0,1'],
            'always_show' => ['sometimes', 'integer', 'in:0,1'],
            'sort' => ['sometimes', 'integer', 'min:0'],
        ];
    }

    /**
     * 更新验证规则
     */
    private function updateRules(): array
    {
        return [
            'id' => ['required', 'integer', 'exists:system_menu,id'],
            'name' => ['required', 'string', 'max:50'],
            'parent_id' => ['sometimes', 'integer', 'min:0'],
            'type' => ['required', 'integer', 'in:1,2,3'],
            'path' => ['sometimes', 'string', 'max:200'],
            'icon' => ['sometimes', 'string', 'max:100'],
            'component' => ['sometimes', 'string', 'max:200'],
            'component_name' => ['sometimes', 'string', 'max:50'],
            'status' => ['sometimes', 'integer', 'in:0,1'],
            'visible' => ['sometimes', 'integer', 'in:0,1'],
            'keep_alive' => ['sometimes', 'integer', 'in:0,1'],
            'always_show' => ['sometimes', 'integer', 'in:0,1'],
            'sort' => ['sometimes', 'integer', 'min:0'],
        ];
    }

    /**
     * 删除验证规则
     */
    private function deleteRules(): array
    {
        return [
            'id' => ['required', 'integer', 'exists:system_menu,id'],
        ];
    }

    /**
     * 批量删除验证规则
     */
    private function batchDeleteRules(): array
    {
        return [
            'ids' => ['required', 'array', 'min:1'],
            'ids.*' => ['integer', 'exists:system_menu,id'],
        ];
    }

    /**
     * 获取验证错误消息
     */
    protected function getSpecificMessages(): array
    {
        return [
            'name.required' => '菜单名称不能为空',
            'name.max' => '菜单名称不能超过50个字符',
            'type.required' => '菜单类型不能为空',
            'type.in' => '菜单类型值无效（1目录 2菜单 3按钮）',
            'parent_id.min' => '父级菜单ID不能小于0',
            'path.max' => '路由地址不能超过200个字符',
            'icon.max' => '菜单图标不能超过100个字符',
            'component.max' => '组件路径不能超过200个字符',
            'component_name.max' => '组件名不能超过50个字符',
            'status.in' => '菜单状态值无效（0正常 1停用）',
            'visible.in' => '显示状态值无效（0显示 1隐藏）',
            'keep_alive.in' => '缓存状态值无效（0缓存 1不缓存）',
            'always_show.in' => '总是显示状态值无效',
            'sort.min' => '排序值不能小于0',
            'ids.required' => '请选择要删除的菜单',
            'ids.min' => '至少选择一条记录进行删除',
        ];
    }

    /**
     * 字段别名
     */
    public function attributes(): array
    {
        return [
            'name' => '菜单名称',
            'parent_id' => '父级菜单',
            'type' => '菜单类型',
            'path' => '路由地址',
            'icon' => '菜单图标',
            'component' => '组件路径',
            'component_name' => '组件名称',
            'status' => '菜单状态',
            'visible' => '显示状态',
            'keep_alive' => '缓存状态',
            'always_show' => '总是显示',
            'sort' => '排序',
        ];
    }
}