<?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);
		}
		$user['question_total'] = Dever::db('survey/info')->total(array('product_id' => $product_id));

		$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'] = '';
				}
				$result['info'][$k]['content'] = $this->getContent($v['type'], $v['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);
			$num = 0;
			$total = count($survey_id);

			foreach ($survey_id as $k => $v) {
				$info = Dever::db('survey/info')->one($v);

				if ($info) {
					if ($info['must'] == 1 && !isset($survey_answer[$k]) && !$survey_answer[$k]) {
						$page = false;
						Dever::alert($info['name'] . '未填写答案');
					}
				}
			}

			foreach ($survey_id as $k => $v) {
				$info = Dever::db('survey/info')->one($v);
				if ($info) {
					$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], 'product_id' => $product_id));
					} else {
						Dever::db('survey/user_answer')->insert(array('info_id' => $v, 'uid' => $uid, 'value' => $survey_answer[$k], 'product_id' => $product_id));
						$num++;
					}
				}
			}

			if ($num == $total || $page_number > 0) {
				$user = Dever::db('survey/user')->one(array('uid' => $uid));
				if ($user) {

					$user['index'] = $user['index'] + 1;
					if ($page_number) {
						$user['index'] = $page_number;
					}
					Dever::db('survey/user')->update(array('where_id' => $user['id'], 'index' => $user['index']));
				}
			}
		}

		return true;
	}

	/**
	 * 查看问卷信息
	 *
	 * @return mixed
	 */
	public function view($uid, $product_id)
	{
		$product = Dever::config('base', 'project')->product;

		$user = Dever::db('survey/user')->one(array('uid' => $uid));

		$data['userinfo'] = Dever::db('passport/user')->one($uid);
		$data['product'] = Dever::db($product)->one($product_id);

		$data['info'] = Dever::db('survey/info')->state(array('uid' => $uid, 'product_id' => $product_id));

		$data['question'] = array();

		$data['page_number'] = 1;
		$i = 1;
		foreach ($data['info'] as $k => $v) {
			if ($v['page_number'] > $data['page_number']) {
				$data['page_number'] = $v['page_number'];
			}
			$v['content'] = $this->getContent($v['type'], $v['content']);

			$answer = Dever::db('survey/user_answer')->one(array('uid' => $uid, 'info_id' => $v['id']));
			if ($answer) {
				if (($v['type'] == 3 || $v['type'] == 4) && strstr($answer['value'], 'http')) {
					$answer['value'] = $this->getImg($answer['id'], $answer['value']);
				} elseif ($v['type'] == 12 || $v['type'] == 13) {
					$v['content'] = $this->getOption($answer['id'], $answer['value'], $v['content']);
				}
				$v['answer'] = $answer['value'];
			} else {
				$v['answer'] = '未作答';
			}
			
			$data['question'][$v['page_number']][$i] = $v;
			$i++;
		}

		//$user['index'] = 3;
		if ($user['index'] >= $data['page_number']) {
			# 完成了
			$data['page'] = '100%';
		} else {
			$num = ceil(($user['index'] / $data['page_number']) * 100);
			$data['page'] = $num . '%';
		}

		return Dever::render('home', $data);
	}

	private function getOption($id, $answer, $option)
	{
		$array = explode(',', $answer);
		$total = count($option) - 1;
		foreach ($array as $k => $v) {
			if (is_numeric($v)) {
				$v = $v - 1;
				if (isset($option[$v])) {
					$option[$v]['checked'] = true;
				}
			} else {
				$option[$total]['checked'] = $v;
			}
		}
		return $option;
	}

	private function getImg($id, $answer)
	{
		$result = '<a class="dever-img" id="answer_'.$id.'">';
		$array = explode(',', $answer);
		foreach ($array as $k => $v) {
			$result .= '<img layer-src="'.$v.'" src="' . $v . '" style="width:200px;"/>&nbsp;&nbsp;';
		}

		$result .= '</a>';

		return $result;
	}

	private function getContent($type, $content)
	{
		if ($type >= 11) {
			$content = Dever::array_decode($content);
		} else {
			$content = array();
		}
		return $content;
	}
}