<?php

namespace App\Http\Requests\Admin\Schools;

use App\Http\Requests\BaseRequest;

/**
 * 班级请求验证
 */
class SchoolClassRequest extends BaseRequest
{
    /**
     * 获取特定的验证规则
     */
    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' => $this->simpleListRules(),
            'students' => $this->studentsRules(),
            'teachers' => $this->teachersRules(),
            'stats' => $this->statsRules(),
            'userClasses' => [],
            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:100'],
            'status' => ['sometimes', 'integer', 'in:0,1'],
            'school_id' => ['sometimes', 'integer', 'exists:school,id'],
            'campus_id' => ['sometimes', 'integer', 'exists:school_campus,id'],
            'grade_id' => ['sometimes', 'integer'],
            'type' => ['sometimes', 'integer'],
        ]);
    }

    /**
     * 简单列表验证规则
     */
    private function simpleListRules(): array
    {
        return [
            'school_id' => ['sometimes', 'integer', 'exists:school,id'],
            'campus_id' => ['sometimes', 'integer', 'exists:school_campus,id'],
        ];
    }

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

    /**
     * 创建验证规则
     */
    private function createRules(): array
    {
        return [
            'name' => ['required', 'string', 'max:100'],
            'school_id' => ['required', 'integer', 'exists:school,id'],
            'campus_id' => ['required', 'integer', 'exists:school_campus,id'],
            'grade_id' => ['required', 'integer'],
            'type' => ['sometimes', 'integer'],
            'number' => ['sometimes', 'integer', 'min:0'],
            'code' => ['sometimes', 'string', 'max:16'],
            'status' => ['sometimes', 'integer', 'in:0,1'],
            'level' => ['sometimes', 'integer'],
            'is_open_user_login' => ['sometimes', 'integer', 'in:0,1'],
        ];
    }

    /**
     * 更新验证规则
     */
    private function updateRules(): array
    {
        return [
            'id' => ['required', 'integer', 'exists:school_class,id'],
            'name' => ['required', 'string', 'max:100'],
            'school_id' => ['required', 'integer', 'exists:school,id'],
            'campus_id' => ['required', 'integer', 'exists:school_campus,id'],
            'grade_id' => ['required', 'integer'],
            'type' => ['sometimes', 'integer'],
            'number' => ['sometimes', 'integer', 'min:0'],
            'code' => ['sometimes', 'string', 'max:16'],
            'status' => ['sometimes', 'integer', 'in:0,1'],
            'level' => ['sometimes', 'integer'],
            'is_open_user_login' => ['sometimes', 'integer', 'in:0,1'],
        ];
    }

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

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

    /**
     * 获取学生列表验证规则
     */
    private function studentsRules(): array
    {
        return [
            'id' => ['required', 'integer', 'exists:school_class,id'],
        ];
    }

    /**
     * 获取老师列表验证规则
     */
    private function teachersRules(): array
    {
        return [
            'id' => ['required', 'integer', 'exists:school_class,id'],
        ];
    }

    /**
     * 获取统计信息验证规则
     */
    private function statsRules(): array
    {
        return [
            'id' => ['required', 'integer', 'exists:school_class,id'],
        ];
    }

    /**
     * 获取特定的验证错误消息
     */
    protected function getSpecificMessages(): array
    {
        return [
            'name.required' => '班级名称不能为空',
            'name.max' => '班级名称不能超过100个字符',
            'school_id.required' => '所属学校不能为空',
            'school_id.exists' => '指定的学校不存在',
            'campus_id.required' => '所属校区不能为空',
            'campus_id.exists' => '指定的校区不存在',
            'grade_id.required' => '年级不能为空',
            'number.min' => '班级编号必须大于等于0',
            'code.max' => '班级编码不能超过16个字符',
            'status.in' => '班级状态值无效',
            'is_open_user_login.in' => '开放用户登录状态值无效',
            'ids.required' => '请选择要删除的班级',
            'ids.min' => '至少选择一条记录进行删除',
        ];
    }
}