<?php

namespace App\Service;

use App\Model\Depart;
use App\Model\Employee;
use App\Model\EmployeeDepartPermission;
use App\Model\EmployeeDetails;
use App\Model\EmployeeRole;
use App\Model\Role;
use App\Model\RoleMenu;
use App\Model\RoleMenuButton;
use App\Model\SysMenu;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Hash;
use Mockery\Exception;

class EmployeeService extends Service
{
    public function employeeEditOther($data,$user){
        list($status,$msg) = $this->employeeOtherRule($data,$user);
        if(!$status) return [$status,$msg];

        try {
            DB::beginTransaction();
            $model = new Employee();
            $model = $model->where('id',$user['id'])->first();
            $model->password = Hash::make($data['new_password']);
            $model->save();

            DB::commit();
        }catch (\Exception $exception){
            DB::rollBack();
            return [false, $exception->getMessage()];
        }

        return [true,''];
    }

    public function employeeOtherRule($data,$user){
        if(! isset($data['old_password'])) return [false,'请输入原密码'];
        if($data['old_password'] == "") return [false,'原密码不能为空'];
        if(! isset($data['new_password'])) return [false,'请输入新密码'];
        if($data['new_password'] == "") return [false,'新密码不能为空'];
        if(! isset($data['re_password'])) return [false,'请输入确认密码'];
        if($data['re_password'] == "") return [false,'确认密码不能为空'];
        if(! Hash::check($data['old_password'], $user['password'])) return [false,'原密码错误'];
        if($data['new_password'] == $data['old_password']) return [false,'原密码与新密码一致'];
        if($data['new_password'] !== $data['re_password']) return [false,'新密码与确认密码不一致'];

        return [true,''];
    }

    public function employeeEdit($data,$user){
        list($status,$msg) = $this->employeeRule($data,$user,false);
        if(!$status) return [$status,$msg];

        try {
            DB::beginTransaction();
            $model = new Employee();
            $model = $model->where('id',$data['id'])->first();
            $model->number = $data['number'] ?? "";
            $model->title = $data['title'] ?? "";
            $model->mobile = $data['mobile'] ?? "";
            $model->sex = $data['sex'] ?? 0;
            $model->education = $data['education'] ?? "";
            $model->id_card = $data['id_card'] ?? "";
            $model->major = $data['major'] ?? "";
            $model->p_title = $data['p_title'] ?? "";
            $model->state = $data['state'] ?? 0;
            $model->is_admin = $data['is_admin'] ?? 0;
            if($model->is_admin && $data['password'] !== '******') {
                $model->password = Hash::make($data['password']);
                $model->p_version = $model->p_version + 1;
            }
            $model->save();

            EmployeeDepartPermission::where('employee_id',$data['id'])->delete();
            if(isset($data['depart'])){
                $insert = [];
                foreach ($data['depart'] as $value){
                    $insert[] = [
                        'employee_id' => $model->id,
                        'depart_id' => $value,
                    ];
                }
                EmployeeDepartPermission::insert($insert);
            }

            EmployeeRole::where('employee_id',$data['id'])->update([
                'del_time' => time()
            ]);
            if(isset($data['role'])){
                $insert = [];
                foreach ($data['role'] as $value){
                    $insert[] = [
                        'employee_id' => $model->id,
                        'role_id' => $value,
                        'crt_time' => time(),
                        'upd_time' => time(),
                    ];
                }
                EmployeeRole::insert($insert);
            }

            DB::commit();
        }catch (\Exception $exception){
            DB::rollBack();
            return [false, $exception->getMessage()];
        }

        return [true,''];
    }

    public function employeeAdd($data,$user){
        list($status,$msg) = $this->employeeRule($data, $user);
        if(!$status) return [$status,$msg];

        try{
            DB::beginTransaction();
            $model = new Employee();
            $model->number = $data['number'] ?? "";
            $model->title = $data['title'] ?? "";
            $model->mobile = $data['mobile'] ?? "";
            $model->sex = $data['sex'] ?? 0;
            $model->education = $data['education'] ?? "";
            $model->id_card = $data['id_card'] ?? "";
            $model->major = $data['major'] ?? "";
            $model->p_title = $data['p_title'] ?? "";
            $model->state = $data['state'] ?? 0;
            $model->crt_id = $user['id'];
            $model->is_admin = $data['is_admin'] ?? 0;
            $model->account = $data['account'] ?? "";
            if($model->is_admin) $model->password = Hash::make($data['password']);
            $model->top_depart_id = $data['top_depart_id'];
            $model->save();

            if(isset($data['depart'])){
                $insert = [];
                foreach ($data['depart'] as $value){
                    $insert[] = [
                        'employee_id' => $model->id,
                        'depart_id' => $value,
                    ];
                }
                EmployeeDepartPermission::insert($insert);
            }

            if(isset($data['role'])){
                $insert = [];
                foreach ($data['role'] as $value){
                    $insert[] = [
                        'employee_id' => $model->id,
                        'role_id' => $value,
                        'crt_time' => time(),
                        'upd_time' => time(),
                    ];
                }
                EmployeeRole::insert($insert);
            }

            DB::commit();
        }catch (Exception $e){
            DB::rollBack();
            return [false, $e->getMessage()];
        }

        return [true,''];
    }

    public function employeeDel($data){
        if($this->isEmpty($data,'id')) return [false,'请选择删除的数据！'];

        Employee::whereIn('id',$data['id'])->update([
            'del_time'=>time()
        ]);
        EmployeeRole::where('del_time',0)->whereIn('employee_id',$data['id'])->update([
            'del_time'=>time()
        ]);
        EmployeeDepartPermission::whereIn('employee_id',$data['id'])->delete();

        return [true,'删除成功'];
    }

    public function employeeDetail($data, $user){
        if(empty($data['id'])) return [false,'人员id不能为空'];
        list($status, $return) = $this->employeeList(['id' => [$data['id']]], $user);
        $user = $return['data'][0] ?? [];

        return [true, $user];
    }

    public function employeeCommon($data,$user, $field = []){
        if(empty($field)) $field = Employee::$field;

        $model = Employee::TopClear($user,$data);
        $model = $model->where('del_time',0)
            ->where('is_admin', '<>', Employee::IS_ADMIN_TWO)
            ->select($field)
            ->orderBy('id','desc');

        if(! empty($data['id'])) $model->whereIn('id', $data['id']);
        if(! empty($data['number'])) $model->where('number', 'LIKE', '%'.$data['number'].'%');
        if(! empty($data['title'])) $model->where('title', 'LIKE', '%'.$data['title'].'%');
        if(! empty($data['mobile'])) $model->where('mobile', 'LIKE', '%'.$data['mobile'].'%');
        if(isset($data['is_admin'])) $model->where('is_admin', $data['is_admin']);
        if(! empty($data['state'])) $model->where('state', $data['state']);
        if(isset($data['education'])) $model->where('education', $data['education']);
        if(! empty($data['role'])) {
            $emp = EmployeeRole::where('role_id',$data['role'])
                ->where('del_time',0)
                ->select('employee_id')->get()->toArray();
            $model->whereIn('id',array_column($emp,'employee_id'));
        }
        if(! empty($data['depart'])) {
            // 1. 获取所有子部门 ID（包含自身）
            $allDeparts = Depart::where('del_time', 0)->select('id', 'parent_id')->get();
            $departIds = array_merge($this->getAllDescendants($allDeparts->toArray(), $data['depart']), [$data['depart']]);

            // 2. 优化：直接使用子查询，避免拉取巨大的 $employee_id 数组到内存
            $model->whereIn('id', function ($query) use ($departIds) {
                $query->select('employee_id')
                    ->from('employee_depart_permission')
                    ->whereIn('depart_id', $departIds);
            });
        }

        return $model;
    }

    /**
     * 产品列表
     * @param $data
     * @param $user
     * @return array
     */
    public function employeeList($data,$user){
        $model = $this->employeeCommon($data, $user);
        $list = $this->limit($model,'',$data);
        $list = $this->organizationEmployeeData($list);

        return [true, $list];
    }

    public function organizationEmployeeData($data)
    {
        if (empty($data['data'])) return $data;

        // 获取员工ID并查询扩展数据
        $employee_ids = array_column($data['data'], 'id');
        list($status, $extraMap) = $this->getEmployee($employee_ids);

        foreach ($data['data'] as &$item) {
            $id = $item['id'];
            $extra = $extraMap[$id] ?? null;

            $item['role']         = $extra['role_ids'] ?? [];
            $item['role_name']    = isset($extra['role_names']) ? implode(',', $extra['role_names']) : '';
            $item['depart']       = $extra['depart_ids'] ?? [];
            $item['depart_title'] = isset($extra['depart_names']) ? implode(',', $extra['depart_names']) : '';

            // 业务状态字段
            $item['is_admin_title'] = Employee::IS_ADMIN_TITLE[$item['is_admin']] ?? "";
            $item['state_title'] = Employee::State_Type[$item['state']] ?? "";
            $item['sex_title'] = Employee::SEX_TYPE[$item['sex']] ?? "";
            $item['education_title'] = Employee::Education[$item['education']] ?? "";
            $item['crt_time']       = !empty($item['crt_time']) ? date("Y-m-d", $item['crt_time']) : "";
        }

        return $data;
    }

    public function getEmployee(array $employee_ids)
    {
        if (empty($employee_ids)) return [false, []];

        // 1. 一次性获取所有角色
        $roles = DB::table('employee_role as a')
            ->join('role as b', 'a.role_id', '=', 'b.id')
            ->where('a.del_time', 0)
            ->where('b.del_time', 0)
            ->whereIn("a.employee_id", $employee_ids)
            ->select('a.employee_id', 'b.title', 'b.id')
            ->get();

        // 2. 一次性获取所有部门
        $departs = DB::table('employee_depart_permission as a')
            ->join('depart as b', 'a.depart_id', '=', 'b.id')
            ->whereIn("a.employee_id", $employee_ids)
            ->select('a.employee_id', 'b.title', 'b.id')
            ->orderBy('b.id')
            ->get();

        // 3. 结果按员工ID分组归纳
        $resultMap = [];
        foreach ($employee_ids as $id) {
            $resultMap[$id] = [
                'role_ids' => [],
                'role_names' => [],
                'depart_ids' => [],
                'depart_names' => []
            ];
        }

        foreach ($roles as $r) {
            $resultMap[$r->employee_id]['role_ids'][] = $r->id;
            $resultMap[$r->employee_id]['role_names'][] = $r->title;
        }

        foreach ($departs as $d) {
            $resultMap[$d->employee_id]['depart_ids'][] = $d->id;
            $resultMap[$d->employee_id]['depart_names'][] = $d->title;
        }

        return [true, $resultMap];
    }

    public function employeeRule(&$data, $user,$is_add = true){
        if(empty($data['number'])) return [false,'工号不存在'];
        if(empty($data['title'])) return [false,'姓名不存在'];
        if(! empty($data['sex']) && ! isset(Employee::SEX_TYPE[$data['sex']])) return [false, '性别不存在'];
        if(empty($data['mobile'])) return [false,'联系电话不能为空'];
//        if(! $this->isValidPhone($data['mobile'])) return [false, '手机号码格式错误'];
        if(! empty($data['education']) && ! isset(Employee::Education[$data['education']])) return [false, '学历不存在'];
        if(empty($data['id_card'])) return [false, '身份证号不能为空'];
        if(empty($data['depart'])) return [false,'部门不能为空'];
        if(empty($data['state'])) return [false,'状态不能为空'];
        if(! isset(Employee::State_Type[$data['state']])) return [false,'状态不存在'];
        if(! empty($data['is_admin'])){
            if(! isset(Employee::IS_ADMIN_TITLE_SIMPLE[$data['is_admin']])) return [false, 'is_admin类型不存在'];
            if(empty($data['password'])) return [false, '密码不能为空'];
            if(mb_strlen($data['password']) < 6) return [false, '密码长度不得小于6位长度'];
            if(empty($data['role'])) return [false, '角色不能为空'];
        }
        $data['top_depart_id'] = $user['top_depart_id'];

        if(! $is_add){
            if($this->isEmpty($data,'id')) return [false,'ID不能为空'];
            $bool = Employee::where('del_time',0)
                ->where('id','<>',$data['id'])
                ->where('top_depart_id', $data['top_depart_id'])
                ->where('number', $data['number'])
                ->exists();
        }else{
            $code = Depart::where('id', $user['top_depart_id'])->value('code');
            $data['account'] = $code . "_" . $data['number'];

            $bool = Employee::where('del_time',0)
                ->where('top_depart_id', $data['top_depart_id'])
                ->where('number', $data['number'])
                ->exists();
        }
        if($bool) return [false,'人员工号已存在'];

        return [true,''];
    }

    public function roleEdit($data,$user){
        list($status,$msg) = $this->roleRule($data,$user, false);
        if(!$status) return [$status,$msg];

        $model = new Role();
        $model = $model->where('id',$data['id'])->first();
        $model->title = $data['title'];
        $model->save();

        return [true,''];
    }

    public function roleAdd($data,$user){
        list($status,$msg) = $this->roleRule($data,$user);
        if(!$status) return [$status,$msg];

        $model = new Role();
        $model->title = $data['title'] ;
        $model->top_depart_id = $data['top_depart_id'];
        $model->save();

        return [true,''];
    }

    public function roleDel($data){
        if($this->isEmpty($data,'id')) return [false,'ID必须！'];

        $bool = EmployeeRole::where('del_time',0)
            ->whereIn('role_id',$data['id'])
            ->exists();
        if($bool) return [false,'角色已绑定人员'];

        Role::where('id',$data['id'])->update([
            'del_time' => time()
        ]);

        RoleMenu::where('del_time',0)->where('role_id',$data['id'])->update([
            'del_time' => time()
        ]);

        RoleMenuButton::where('del_time',0)->where('role_id',$data['id'])->update([
            'del_time' => time()
        ]);

        return [true, ''];
    }

    public function roleList($data,$user){
        $model = Role::TopClear($user,$data);
        $model = $model->where('del_time',0)
            ->select('title','crt_time','id','upd_time')
            ->orderBy('id','desc');
        if(! empty($data['title'])) $model->where('title', 'LIKE', '%' . $data['title'] . '%');

        $list = $this->limit($model,'',$data);

        return [true, $list];
    }

    public function roleRule(&$data,$user, $is_check = true){
        if($this->isEmpty($data,'title')) return [false,'名称不能为空'];

        $data['top_depart_id'] = $user['top_depart_id'];

        if($is_check){
            $bool = Role::where('title',$data['title'])
                ->where('top_depart_id', $data['top_depart_id'])
                ->where('del_time',0)
                ->exists();
            if($bool) return [false,'角色名称已存在'];
        }else{
            if($this->isEmpty($data,'id')) return [false,'ID不能为空'];
            $top_depart_id = Role::where('id',$data['id'])->value('top_depart_id');
            $bool = Role::where('title',$data['title'])
                ->where('top_depart_id',$top_depart_id)
                ->where('id','<>',$data['id'])
                ->where('del_time',0)
                ->exists();
            if($bool) return [false,'角色名称已存在'];
        }

        return [true, ''];
    }

    public function roleMenu($data){
        if(empty($data['role_id']))  return [false,'角色不能为空！'];
        if(empty($data['menu'])) return [false,'菜单数据不能为空！'];

        DB::beginTransaction();
        try {
            RoleMenu::where('del_time',0)->where('role_id',$data['role_id'])->update(['del_time' => time()]);
            RoleMenuButton::where('del_time',0)->where('role_id',$data['role_id'])->update(['del_time' => time()]);

            $insert = $insert2 = [];
            foreach ($data['menu'] as $t){
                $insert[] = [
                    'role_id' => $data['role_id'],
                    'menu_id' => $t['menu_id'],
                    'type' => $t['type'],
                    'crt_time' => time()
                ];
                if(! empty($t['button'])){
                    foreach ($t['button'] as $b){
                        $insert2[] = [
                            'role_id' => $data['role_id'],
                            'menu_id' => $t['menu_id'],
                            'button_id' => $b,
                            'crt_time' => time()
                        ];
                    }
                RoleMenuButton::insert($insert2);
                }
            }
            RoleMenu::insert($insert);

            DB::commit();
        }catch (\Throwable $exception){
            DB::rollBack();
            return [false,$exception->getMessage()];
        }

        return [true, ''];
    }

    public function roleDetail($data){
        if(empty($data['role_id'])) return [false,'请选择角色'];

        $role = Role::where('id',$data['role_id'])
            ->where('del_time',0)
            ->select('id','title')
            ->first();
        if(empty($role)) return [false,'角色不存在或已被删除'];
        $role = $role->toArray();

        $menu = RoleMenu::where('role_id',$data['role_id'])
            ->where('del_time',0)
            ->select('menu_id','type')
            ->get()->toArray();
        $button = $this->fillRoleButton([$data['role_id']]);
        foreach ($menu as $key => $value){
            $menu[$key]['button'] = $button[$value['menu_id']] ?? [];
        }
        $role['menu'] = $menu;

        return [true, $role];
    }

    public function departEdit($data, $user){
        list($status,$msg) = $this->departRule($data,$user,false);
        if(!$status) return [$status,$msg];

        $update = $msg['data'][0];
        $model = new Depart();
        $model->where('id',$data['id'])->update($update);

        return [true, ''];
    }

    public function departAdd($data,$user){
        list($status,$msg) = $this->departRule($data,$user);
        if(!$status) return [$status,$msg];

        try {
            DB::beginTransaction();

            foreach ($msg['data'] as $value){
                $model = new Depart();
                $model->parent_id = $value['parent_id'];
                $model->title = $value['title'];
                $model->code = $value['code'];
                $model->top_depart_id = $value['top_depart_id'];
                $model->save();
            }

            DB::commit();
        }catch (\Exception $exception){
            DB::rollBack();
            return [false,$exception->getMessage()];
        }

        return [true,''];
    }

    public function departDel($data){
        list($status,$msg) = $this->checkDepartDel($data);
        if(! $status) return [false, $msg];

        Depart::whereIn('id',$data['id'])->update([
            'del_time'=>time()
        ]);

        return [true,''];
    }

    public function checkDepartDel($data){
        if($this->isEmpty($data,'id')) return [false,'ID不能为空'];

        $bool = Depart::whereIn('parent_id',$data['id'])->where('del_time',0)->exists();
        if($bool) return [false,'部门下有子部门'];

        if($this->checkDepartHasPerson($data['id'])) return [false,'部门下有人员档案'];

        return [true, ''];
    }

    public function departList($data, $user){
        $model = Depart::TopClear($user,$data);
        $model = $model->where('del_time',0)
            ->select('title','id','code','parent_id','is_use')
            ->orderby('id', 'asc');

        if(isset($data['parent_id'])) $model->where('parent_id', $data['parent_id']);
        if(! empty($data['title'])) $model->where('title', 'LIKE', '%'.$data['title'].'%');
        if(! empty($data['code'])) $model->where('code', 'LIKE', '%'.$data['code'].'%');

        $list = $model->get()->toArray();
        $list = $this->fillDepartList($list, $user);
        $list_tree = $list;
        if(! empty($list_tree)) {
            $minParentId = min(array_column($list_tree, 'parent_id'));
            $list_tree = $this->makeTree($minParentId,$list_tree);
            $list_tree = $this->set_sort_circle($list_tree);
        }

        return [true,['data' => $list,'tree' => $list_tree]];
    }

    public function fillDepartList($list,$user){
        if(empty($list)) return $list;

//        foreach ($list as $key => $value){
//
//        }

        return $list;
    }

    public function departRule($data,$user, $is_check = true){
        if(empty($data['data'])) return [false,'数据不能为空！'];

        $code = array_column($data['data'],'code');
        $title = array_column($data['data'],'title');
        $code = array_map(function($val) {
            return $val !== null ? $val : 0;
        }, $code);
        $title = array_map(function($val) {
            return $val !== null ? $val : 0;
        }, $title);
        $code_count = array_count_values($code);
        $title_count = array_count_values($title);
        foreach ($code as $value){
            if(empty($value)) return [false,'编码不能为空！'];
            if($code_count[$value] > 1) return [false,'编码不能重复'];
        }
        foreach ($title as $value){
            if(empty($value)) return [false,'名称不能为空！'];
            if($title_count[$value] > 1) return [false,'名称不能重复'];
        }

        foreach ($data['data'] as $key => $value){
            $top_depart_id = $user['top_depart_id'];
            if(empty($value['parent_id'])) $data['data'][$key]['parent_id'] = $user['top_depart_id'];

            $data['data'][$key]['top_depart_id'] = $top_depart_id;
            $data['data'][$key]['upd_time'] = time();

            if($is_check){
                $data['data'][$key]['crt_time'] = time();
                $bool = Depart::whereRaw("binary code = '{$value['code']}'")
                    ->where('parent_id', $top_depart_id)
                    ->where('del_time',0)
                    ->exists();
            }else{
                if($this->isEmpty($data,'id')) return [false,'id不能为空！'];
                $bool = Depart::whereRaw("binary code = '{$value['code']}'")
                    ->where('parent_id', $top_depart_id)
                    ->where('id','<>',$data['id'])
                    ->where('del_time',0)
                    ->exists();
            }
            if($bool) return [false,'部门编码不能重复'];
        }

        return [true, $data];
    }

    public function checkDepartHasPerson($depart_id = []){
        if(empty($depart_id)) return false;

        $bool = EmployeeDepartPermission::from('employee_depart_permission as a')
            ->leftJoin('employee as b','b.id','a.employee_id')
            ->where('b.del_time',0)
            ->whereIn('a.depart_id',$depart_id)
            ->exists();

        return $bool;
    }

    public function fillRoleButton($role_id){
        $button = RoleMenuButton::whereIn('role_id',$role_id)
            ->where('del_time',0)
            ->select('menu_id','button_id')
            ->get()->toArray();
        $button_map = [];
        foreach ($button as $value){
            if(! isset($button_map[$value['menu_id']])){
                $button_map[$value['menu_id']][] = $value['button_id'];
            }else{
                if(! in_array($value['button_id'], $button_map[$value['menu_id']])) $button_map[$value['menu_id']][] = $value['button_id'];
            }
        }

        return $button_map;
    }

    public function getEmployeeMap($employee_ids){
        if(empty($employee_ids)) return [];
        if(! is_array($employee_ids)) $employee_ids = [$employee_ids];

        return Employee::whereIn('id', $employee_ids)
            ->pluck('title', 'id')
            ->toArray();
    }

    public static function fillMenu2($menu_id, &$user){
        // 直接查询匹配的菜单
        $menuItem = SysMenu::where('del_time',0)
            ->where('id', $menu_id)
            ->first();

        $func = $menuItem ? $menuItem->export_file_func : "";
        $funcName = $menuItem ? $menuItem->title : "";

        $header_default = config("excel." . $func) ?? [];
//        $header_f = "extra_" . $menu_id;
//        $service = new TableHeadService();
//        if(method_exists($service,$header_f)) $service->$header_f($header_default);
        $user['e_header_default'] = $header_default;

        return [$func, $funcName];
    }
}