<?php

namespace app\admin\controller;

use think\Exception;
use think\facade\Db;
use think\facade\View;
use think\facade\Request;
use \app\admin\validate\DeliverRegion as DeliverRegionValidate;

class DeliverRegion extends Common {
    
    /**
     * 分销区域列表
     * @return string
     */
    public function index() {
        ////////
        if (!Request::isPost()) {
            return View::fetch();
        } else {
            try {
                $kw = input('kw');
                if (!empty($kw)) {
                    $condition[] = array('region_name|region_code', 'like', "%$kw%");
                }
                $p = input('p', 1);
                $other['page_size'] = input('page_size', 20);
                $order = 'order_id asc,deliver_region_id asc';
                $count = Db::name('deliver_region')->where($condition)->count();
                $list = Db::name('deliver_region')->field("*")->where($condition)->order($order)->page($p, $other['page_size'])->select()->toArray();
                $other['count'] = $count;
                if (!$list) {
                    $list = [];
                }
                $result['other'] = $other;
                $result['list'] = $list;
                return $this->successResponse($result);
            } catch (Exception $exc) {
                return $this->errorResponse($exc->getMessage());
            }
        }
    }
    
    /**
     *保存分销区域
     */
    public function save() {
        if (!Request::isPost()) {
            return $this->errorResponse(lang('request_method_incorrect'));
        }
        //开始事务
        Db::startTrans();
        try {
            $data = Request::post();
            $validate = new DeliverRegionValidate();
            $check_result = $validate->check($data);
            if (!$check_result) {
                return $this->errorResponse($validate->getError());
            }
            $deliver_region_id = input('post.deliver_region_id');
            if (is_numeric($deliver_region_id)) {
                //更新数据
                $update_result = Db::name('deliver_region')->where('deliver_region_id', $deliver_region_id)->withoutField('id')->save($data);
                if ($update_result === FALSE) {
                    return $this->errorResponse(lang('editing_failed'));
                }
                //提交事务
                Db::commit();
                return $this->successResponse('修改成功！');
            } else {
                //添加数据
                unset($data['deliver_region_id']);
                $add_result = Db::name('deliver_region')->insertGetId($data);
                if (!$add_result) {
                    return $this->errorResponse('添加失败！');
                }
                Db::name('deliver_region')->where('deliver_region_id', $add_result)->save(['order_id' => $add_result]);
                //提交事务
                Db::commit();
                return $this->successResponse('添加成功！');
            }
        } catch (Exception $exc) {
            // 回滚事务
            Db::rollback();
            return $this->errorResponse($exc->getMessage());
        }
    }
    
    public function getCurrencyList() {
        try{
            $order = 'order_id asc,id asc';
            $list = Db::name('currency')->field("*")->order($order)->cacheAlways(TRUE, 0, 'currency')->select()->toArray();
            if (!$list) {
                $list = [];
            }
            $result['list'] = $list;
            return $this->successResponse($result);
        }
        catch (\Exception $exc) {
            return $this->errorResponse($exc->getMessage());
        }
    }
    
    /**
     * 删除分销区域
     * @return array|int[]
     */
    public function delete() {
        if (!Request::isPost()) {
            return $this->errorResponse(lang('request_method_incorrect'));
        }
        //开始事务
        Db::startTrans();
        try {
            $deliver_region_id = input('deliver_region_id');
            if (!is_numeric($deliver_region_id)) {
                return $this->errorResponse(lang('parameter_error'));
            }
            $condition['deliver_region_id'] = $deliver_region_id;
            $info = Db::name('deliver_region')->field('deliver_region_id')->where($condition)->find();
            if (!$info) {
                return $this->errorResponse(lang('parameter_error'));
            }
            Db::name('deliver_region')->where('deliver_region_id', $deliver_region_id)->delete();
            //提交事务
            Db::commit();
            return $this->successResponse('删除成功！');
        } catch (Exception $exc) {
            // 回滚事务
            Db::rollback();
            return $this->errorResponse($exc->getMessage());
        }
    }
    
}