<?php
	
	namespace app\api\controller;
	
	use app\common\model\land\Land;
	use app\common\model\plant\Plant;
	use think\facade\Db;
	use think\response\Json;
	
	class PlantController extends BaseApiController
	{
		//添加种植
		public function add(): Json
		{
			//获取参数
			$params = $this->request->post(['land_id','kind','breed','area','user','date','pic','remark']);
			if(empty($params['land_id']) || empty($params['kind']) || empty($params['breed']) || empty($params['area']) || empty($params['user']) || empty($params['date']) || empty($params['pic'])){
				return $this->fail('缺少必要参数');
			}
			if(!strtotime($params['date'])){
				return $this->fail('日期格式错误');
			}
			$pics = json_decode($params['pic'],true);
			if(empty($pics)){
				return $this->fail('图片参数格式错误');
			}
			//获取土地信息
			$land = Land::field('residual_area')->where('id',$params['land_id'])->findOrEmpty();
			if($land->isEmpty()){
				return $this->fail('土地信息错误');
			}
			if($params['area'] > $land['residual_area']){
				return $this->fail('种植面积超过当前土地可种植面积');
			}
			//创建数据
			Db::transaction(function()use($params,$land) {
				Plant::create([
					'land_id' => $params['land_id'],
					'kind' => $params['kind'],
					'breed' => $params['breed'],
					'area' => $params['area'],
					'user' => $params['user'],
					'remark' => $params['remark'],
					'pic' => $params['pic'],
					'plant_date' => strtotime($params['date']),
					'status' => 1,
					'create_time' => time()
				]);
				$residual_area = $land['residual_area']-$params['area'];
				Land::where('id',$params['land_id'])->update(['residual_area'=>$residual_area]);
			});
			return $this->success('种植添加成功');
		}
	}