<?php

namespace app\admin\controller;

use app\common\controller\Backend;
use think\Db;

/**
 * 发票抬头档案管理
 *
 * @icon fa fa-address-card-o
 */
class InvoiceTitle extends Backend
{
    /**
     * @var \app\admin\model\InvoiceTitle
     */
    protected $model = null;
    protected $relationSearch = true;
    protected $searchFields = 'id,title,tax_no,email,receive_mobile,user.nickname,merchant.name';

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\InvoiceTitle;
        $this->view->assign('titleTypeList', $this->model->getTitleTypeList());
        $this->view->assign('invoiceTypeList', $this->model->getDefaultInvoiceTypeList());
    }

    /**
     * 抬头列表（关联所属用户/签约商户及累计开票统计）
     */
    public function index()
    {
        $this->request->filter(['strip_tags', 'trim']);
        if (false === $this->request->isAjax()) {
            return $this->view->fetch();
        }
        if ($this->request->request('keyField')) {
            return $this->selectpage();
        }
        [$where, $sort, $order, $offset, $limit] = $this->buildparams();
        $list = $this->model
            ->with(['user', 'merchant'])
            ->where($where)
            ->order($sort, $order)
            ->paginate($limit);

        $rows = $list->items();
        $ids = [];
        foreach ($rows as $r) {
            $ids[] = (int)$r['id'];
        }
        $invStats = [];
        if ($ids) {
            $agg = Db::name('invoice')
                ->where('title_id', 'in', $ids)
                ->where('status', 'issued')
                ->field('title_id, COUNT(*) AS cnt, SUM(amount) AS sum_amt')
                ->group('title_id')
                ->select();
            foreach ($agg as $g) {
                $invStats[(int)$g['title_id']] = [
                    'cnt' => (int)$g['cnt'],
                    'amt' => round((float)$g['sum_amt'], 2),
                ];
            }
        }
        foreach ($rows as &$item) {
            $tid = (int)$item['id'];
            $item['issued_count'] = $invStats[$tid]['cnt'] ?? 0;
            $item['issued_amount'] = $invStats[$tid]['amt'] ?? 0.00;
        }
        unset($item);

        return json(['total' => $list->total(), 'rows' => $rows]);
    }

    /**
     * 发票抬头档案详情（关联历史开票记录）
     */
    public function detail($ids = null)
    {
        $row = $this->model->with(['user', 'merchant'])->where('invoice_title.id', (int)$ids)->find();
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        $invoices = Db::name('invoice')
            ->where('title_id', (int)$row['id'])
            ->order('id desc')
            ->limit(20)
            ->select();

        $this->view->assign([
            'row'      => $row,
            'invoices' => $invoices,
        ]);
        return $this->view->fetch();
    }

    /**
     * 财务协助订正抬头信息（如税号、开户行、邮箱笔误）
     */
    public function edit($ids = null)
    {
        $row = $this->model->get($ids);
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        if (false === $this->request->isPost()) {
            $this->view->assign('row', $row);
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a', []);
        $titleType = in_array($params['title_type'] ?? '', ['enterprise', 'personal'], true) ? $params['title_type'] : $row['title_type'];
        $title = trim((string)($params['title'] ?? ''));
        $taxNo = strtoupper(trim((string)($params['tax_no'] ?? '')));
        if ($title === '') {
            $this->error('发票抬头名称不能为空');
        }
        if ($titleType === 'enterprise' && $taxNo === '') {
            $this->error('企业单位抬头必须填写纳税人识别号');
        }

        $row->save([
            'title_type'           => $titleType,
            'default_invoice_type' => in_array($params['default_invoice_type'] ?? '', ['normal', 'special'], true) ? $params['default_invoice_type'] : $row['default_invoice_type'],
            'title'                => mb_substr($title, 0, 150),
            'tax_no'               => mb_substr($taxNo, 0, 50),
            'bank_name'            => mb_substr(trim((string)($params['bank_name'] ?? '')), 0, 100),
            'bank_account'         => mb_substr(trim((string)($params['bank_account'] ?? '')), 0, 50),
            'reg_address'          => mb_substr(trim((string)($params['reg_address'] ?? '')), 0, 255),
            'reg_mobile'           => mb_substr(trim((string)($params['reg_mobile'] ?? '')), 0, 30),
            'email'                => mb_substr(trim((string)($params['email'] ?? '')), 0, 100),
            'receive_mobile'       => mb_substr(trim((string)($params['receive_mobile'] ?? '')), 0, 20),
        ]);
        $this->success();
    }

    /**
     * 抬头由用户或企业入驻维护，后台不开放手工盲增
     */
    public function add()
    {
        $this->error('发票抬头由业主或签约企业在小程序端维护，后台无需手工新增');
    }

    /**
     * 已关联开票申请的抬头禁止删除
     */
    public function del($ids = null)
    {
        if (false === $this->request->isPost()) {
            $this->error(__('Invalid parameters'));
        }
        $ids = $ids ?: $this->request->post('ids');
        $idArr = array_values(array_filter(array_map('intval', explode(',', (string)$ids))));
        if (!$idArr) {
            $this->error(__('Parameter %s can not be empty', 'ids'));
        }
        $used = (int)Db::name('invoice')->where('title_id', 'in', $idArr)->count();
        if ($used > 0) {
            $this->error('所选发票抬头已关联 ' . $used . ' 笔开票记录，禁止删除');
        }
        return parent::del($ids);
    }
}