<?php
// +----------------------------------------------------------------------
// | Niucloud-admin 企业快速开发的多应用管理平台
// +----------------------------------------------------------------------
// | 官方网址：https://www.niucloud.com
// +----------------------------------------------------------------------
// | niucloud团队 版权所有 开源版本可自由商用
// +----------------------------------------------------------------------
// | Author: Niucloud Team
// +----------------------------------------------------------------------

namespace app\service\admin\salary;

use app\model\salary\Salary;
use app\model\personnel\Personnel;
use app\model\campus\Campus;
use core\base\BaseAdminService;
use core\exception\AdminException;

/**
 * 工资条服务类
 * Class PayrollService
 * @package app\service\admin\salary
 */
class PayrollService extends BaseAdminService
{
    public function __construct()
    {
        parent::__construct();
        $this->model = new Salary();
    }
    
    /**
     * 获取工资条分页列表
     * @param array $where
     * @return array
     */
    public function getPage(array $where = [])
    {
        $field = 's.*, p.name as staff_name, c.campus_name as campus_name';
        
        $search_model = $this->model
            ->alias('s')
            ->join('school_personnel p', 's.staff_id = p.id', 'left')
            ->leftJoin('school_campus_person_role cpr', 'p.id = cpr.person_id')
            ->leftJoin('school_campus c', 'cpr.campus_id = c.id')
            ->field($field)
            ->order('s.created_at desc');
            
        // 筛选条件
        if (!empty($where['campus_id'])) {
            $search_model->where('cpr.campus_id', $where['campus_id']);
        }
        if (!empty($where['salary_month'])) {
            $search_model->where('s.salary_month', 'like', $where['salary_month'] . '%');
        }
        if (!empty($where['staff_name'])) {
            $search_model->where('p.name', 'like', '%' . $where['staff_name'] . '%');
        }
        if (!empty($where['status'])) {
            $search_model->where('s.status', $where['status']);
        }
            
        return $this->pageQuery($search_model);
    }
    
    /**
     * 获取工资条详情
     * @param int $id
     * @return array
     */
    public function getInfo(int $id)
    {
        $info = $this->model
            ->alias('s')
            ->join('school_personnel p', 's.staff_id = p.id', 'left')
            ->leftJoin('school_campus_person_role cpr', 'p.id = cpr.person_id')
            ->leftJoin('school_campus c', 'cpr.campus_id = c.id')
            ->field('s.*, p.name as staff_name, c.campus_name as campus_name')
            ->where('s.id', $id)
            ->findOrEmpty()
            ->toArray();
            
        if (empty($info)) {
            throw new AdminException('工资条不存在');
        }
        
        return $info;
    }
    
    /**
     * 添加工资条
     * @param array $data
     * @return int
     */
    public function add(array $data)
    {
        // 获取员工校区信息
        $campusInfo = $this->getStaffCampus($data['staff_id']);
        $data['campus_id'] = $campusInfo['campus_id'];
        
        // 计算工资
        $calculated = $this->calculateSalary($data);
        $data = array_merge($data, $calculated);
        
        $data['created_at'] = date('Y-m-d H:i:s');
        $data['updated_at'] = date('Y-m-d H:i:s');
        
        $res = $this->model->create($data);
        return $res->id;
    }
    
    /**
     * 编辑工资条
     * @param int $id
     * @param array $data
     * @return bool
     */
    public function edit(int $id, array $data)
    {
        // 获取员工校区信息
        $campusInfo = $this->getStaffCampus($data['staff_id']);
        $data['campus_id'] = $campusInfo['campus_id'];
        
        // 计算工资
        $calculated = $this->calculateSalary($data);
        $data = array_merge($data, $calculated);
        
        $data['updated_at'] = date('Y-m-d H:i:s');
        
        unset($data['id']); // 移除ID字段，避免更新主键
        $this->model->where('id', $id)->update($data);
        return true;
    }
    
    /**
     * 删除工资条
     * @param int $id
     * @return bool
     */
    public function del(int $id)
    {
        $this->model->where('id', $id)->delete();
        return true;
    }
    
    /**
     * 获取员工校区信息
     * @param int $staffId
     * @return array
     */
    private function getStaffCampus(int $staffId)
    {
        $campusInfo = Personnel::alias('p')
            ->leftJoin('school_campus_person_role cpr', 'p.id = cpr.person_id')
            ->leftJoin('school_campus c', 'cpr.campus_id = c.id')
            ->field('IFNULL(cpr.campus_id, 0) as campus_id, CASE WHEN cpr.campus_id IS NULL OR cpr.campus_id = 0 THEN "总部" ELSE c.campus_name END as campus_name')
            ->where('p.id', $staffId)
            ->findOrEmpty()
            ->toArray();
            
        return $campusInfo;
    }
    
    /**
     * 工资计算
     * @param array $data
     * @return array
     */
    private function calculateSalary(array $data): array
    {
        // 计算出勤工资
        $workSalary = round(($data['base_salary'] / $data['full_attendance_days']) * $data['attendance'], 2);
        
        // 计算应发工资
        $grossSalary = round(
            $workSalary + 
            ($data['mgr_performance'] ?? 0) + 
            ($data['performance_bonus'] ?? 0) + 
            ($data['other_subsidies'] ?? 0) - 
            ($data['deductions'] ?? 0), 
            2
        );
        
        // 计算实发工资
        $netSalary = round(
            $grossSalary - 
            ($data['social_security'] ?? 0) - 
            ($data['individual_income_tax'] ?? 0), 
            2
        );
        
        return [
            'work_salary' => $workSalary,
            'gross_salary' => $grossSalary,
            'net_salary' => $netSalary
        ];
    }
}