<?php

namespace Survey\Src;

use Dever;

class Api
{
	/**
	 * 获取问卷信息
	 *
	 * @return mixed
	 */
	public function get($uid, $product_id, $page_number = false)
	{
		if ($product_id <= 0) {
			Dever::alert('请传入正确的产品id');
		}

		$user = Dever::db('survey/user')->one(array('uid' => $uid, 'product_id' => $product_id));
		if (!$user) {
			$user['uid'] = $uid;
			$user['index'] = 1;
			$user['product_id'] = $product_id;
			$user['status'] = 2;
			$user['id'] = Dever::db('survey/user')->insert($user);
		}

		$result['user'] = $user;
		if ($page_number > 0) {
			$user['index'] = $page_number;
		}
		$result['info'] = Dever::db('survey/info')->state(array('product_id' => $product_id, 'page_number' => $user['index']));

		if ($result['info']) {
			foreach ($result['info'] as $k => $v) {
				$answer = Dever::db('survey/user_answer')->one(array('info_id' => $v['id'], 'uid' => $uid));
				if ($answer) {
					$result['info'][$k]['answer'] = $answer['value'];
				} else {
					$result['info'][$k]['answer'] = '';
				}
				if ($v['type'] >= 11) {
					$result['info'][$k]['content'] = Dever::array_decode($result['info'][$k]['content']);
				} else {
					unset($result['info'][$k]['content']);
				}
				
			}
		}

		return $result;
	}

	/**
	 * 提交问卷信息
	 *
	 * @return mixed
	 */
	public function submit($uid, $product_id, $page_number, $survey_id, $survey_answer)
	{
		if ($survey_id && $survey_answer) {
			$survey_id = explode('||', $survey_id);
			$survey_answer = explode('||', $survey_answer);
			foreach ($survey_id as $k => $v) {
				$answer = Dever::db('survey/user_answer')->one(array('info_id' => $v, 'uid' => $uid));

				if ($answer) {
					Dever::db('survey/user_answer')->update(array('where_id' => $answer['id'], 'value' => $survey_answer[$k]));
				} else {
					Dever::db('survey/user_answer')->insert(array('info_id' => $v, 'uid' => $uid, 'value' => $survey_answer[$k]));

					if ($page_number > 0) {
						$info = Dever::db('survey/user')->one(array('uid' => $uid));
						if ($info) {
							Dever::db('survey/user')->update(array('where_id' => $info['id'], 'index' => $page_number + 1));
						}
					}
				}
			}
		}

		return true;
	}

	/**
	 * 查看问卷信息
	 *
	 * @return mixed
	 */
	public function view($uid, $product_id, $page_number, $survey_id, $survey_answer)
	{

	}
}