<?php
/**
 * Created by PhpStorm.
 * User: lts
 * Date: 2019-04-03
 * Time: 19:49
 */

namespace app\clientappapi\controller;


use app\common\controller\ClientApi;
use app\main\constants\BookConstants;
use app\main\constants\ClientApiConstants;
use app\main\helper\ArrayHelper;
use app\main\service\BookService;
use app\main\constants\ErrorCodeConstants;
use app\main\service\FinancialService;
use app\main\service\ClientAppService;
use app\main\service\LogService;
use think\Exception;

class Book extends ClientApi
{
    /**
     * 章节订购接口
     * @return mixed
     */
    public function chapterorder()
    {
        $this->checkParamRequired(['bookId', 'type'], false);
        $bookId = $this->params['bookId'];
        $chapterId = empty($this->params['chapterId']) ? 0 : $this->params['chapterId'];
        $type = $this->params['type'];
        $bookInfo = BookService::instance()->getBookModel()->BookInfo($bookId);
        if (!$bookInfo) {
            $this->error("书籍不存在");
        }

        //书籍已下架
        if ($bookInfo['state'] == BookConstants::BOOK_STATE_OFF_SALE) {
            $result['state'] = ClientApiConstants::CHAPTER_STATE_BOOK_OFF_SALE;
            $this->info($result);
        }

        $needCostFee = true;

        $chapterInfoResult = BookService::instance()->getBookChapterInfoForClient($bookInfo, $chapterId, $type);
        if ($chapterInfoResult->code == ErrorCodeConstants::SUCCESS) {
            $chapterInfo = $chapterInfoResult->data;
            $result = [
                'chapter' => [
                    'chapter_id' => $chapterInfo['id'],
                    'chapter_name' => $chapterInfo['name'],
                    'chapter_index' => $chapterInfo['idx'],
                    'book_id' => $bookId,
                    'next_chapter' => $chapterInfo['next_id'],
                    'pre_chapter' => $chapterInfo['pre_id'],
                    'content' => $chapterInfo['content'] ?: '',
                ]
            ];
            if (isset($chapterInfo['status'])) {
                $result['chapter']['state'] = $chapterInfo['status'];
            }

        } elseif ($chapterInfoResult->code == ClientApiConstants::CHAPTER_NOT_EXIST && in_array($type,
                [ClientApiConstants::GET_CHAPTER_TYPE_PRE, ClientApiConstants::GET_CHAPTER_TYPE_NEXT])) {
            if ($bookInfo['is_finish'] == '1') {//完本
                $result['state'] = ClientApiConstants::CHAPTER_STATE_NO_NEXT_FINISHED;
            } else {
                $result['state'] = ClientApiConstants::CHAPTER_STATE_NO_NEXT_SERIALIZING;
            }

            $needCostFee = false;
        } elseif ($chapterInfoResult->code == ClientApiConstants::CHAPTER_NOT_EXIST) {
            $needCostFee = false;
            $result['state'] = ClientApiConstants::CHAPTER_STATE_NO_CONTENT;
        } else {
            $this->error($chapterInfoResult->msg, $chapterInfoResult->code);
        }

        if ($needCostFee) {
            $feeResult = FinancialService::instance()->feeChapterForClient($this->userInfo, $bookInfo, $chapterInfo);
            if ($feeResult->code == ErrorCodeConstants::SUCCESS) {
                $feeInfo = $feeResult->data;
                if (!isset($result['chapter']['state'])) {
                    $result['chapter']['state'] = $feeInfo['orderState'];
                }
                if (isset($feeInfo['cost'])) {
                    $result['chapter']['cost'] = $feeInfo['cost'];
                }
                $result['state'] = $feeInfo['state'];
                if ($feeInfo['state'] == ClientApiConstants::CHAPTER_STATE_BALANCE_NOT_ENOUGH) {
                    $result['billing_type'] = $bookInfo['billing_type'];
                    $result['price'] = $feeInfo['cost'];
                }

            } else {
                $this->error($feeResult->msg, $feeResult->code);
            }
        }

        $this->info($result);
    }

    /**
     * 获取书籍目录接口
     * @return mixed
     */
    public function getchapters()
    {
        $this->checkParamRequired('bookId');
        $bookId = $this->params['bookId'];
        $bookInfo = BookService::instance()->getBookModel()->BookInfo($bookId);
        if (!$bookInfo) {
            $this->error('书籍不存在');
        }
        $chaptersResult = BookService::instance()->getChapterListForClient($bookId);
        if ($chaptersResult->code == ErrorCodeConstants::SUCCESS) {
            $chapters = $chaptersResult->data;
            $chapterList = [];
            foreach ($chapters as $chapter) {
                $chapterList[] = [
                    'chapter_id' => $chapter['id'],
                    'chapter_name' => $chapter['name'],
                    'chapter_index' => $chapter['idx'],
                ];
            }
            $lastChapter = end($chapterList);

            $result = ['chapter_list' => $chapterList];
            if ($lastChapter) {
                $result['chapter_key'] = $lastChapter['chapter_id'];
            }
            $result['chapter_key'] = strval($bookInfo['last_chapter_id']);
            $this->success('', $result);
        } else {
            $this->error($chaptersResult->msg);
        }
    }

    /**
     * 获取书籍信息接口
     */
    public function getbookinfo()
    {
        $this->checkParamRequired('bookId');
        $bookId = $this->params['bookId'];
        $recommendBookSize = $this->params['recommendBookSize'] ?? 9;
        $result = [];
        $bookInfoResult = ClientAppService::instance()->userReadBooksInfo([$bookId => ''], $this->userInfo);
        if ($bookInfoResult->code == ErrorCodeConstants::SUCCESS) {
            if (count($bookInfoResult->data['originalBookList']) > 0 && count($bookInfoResult->data['bookList']) > 0) {
                $originalBook = current($bookInfoResult->data['originalBookList']);
                $book = current($bookInfoResult->data['bookList']);
                $bookInfo = [
                    'book_id' => $originalBook['id'],
                    'book_name' => $originalBook['name'],
                    'author' => $originalBook['author'],
                    'cover' => $originalBook['image'],
                    'state' => $book['state'],
                    'current_cid' => $book['current_cid'] ?? 0,
                    'action_time' => $book['action_time'] ?? 0,
                    'chapter_key' => $book['chapter_key'],
                    'is_finish' => $originalBook['is_finish'],
                    'word_count' => formatNumber($originalBook['word_count']) . '字',
                    'read_num' => formatNumber($originalBook['read_num']),
                    'category_text' => $originalBook['category_text'],
                    'description' => $originalBook['description'],
                    'last_chapter_id' => $originalBook['last_chapter_id'],
                    'last_chapter_name' => $originalBook['last_chapter_name'],
                    'last_chapter_utime' => $originalBook['last_chapter_utime'],
                    'chapter_num' => $originalBook['chapter_num'],
                ];
                $result['book_info'] = $bookInfo;
            } else {
                throw new Exception('没有找到书籍信息，bookID：' . $bookId);
            }
        } else {
            throw new Exception($bookInfoResult->msg);
        }
        $sex = 0;
        if (!empty($this->userInfo)) {
            $sex = $this->userInfo['sex'];
        }
        $recommendBookIds = BookService::instance()->getRecommendBookIdsForClient($sex, $recommendBookSize);
        $needBookIds = array_diff($recommendBookIds, [$bookId]);
        $needBookIds = array_slice($needBookIds, 0, 8);
        $recommendBookIdsParams = [];
        foreach ($needBookIds as $recommendBookId) {
            $recommendBookIdsParams[$recommendBookId] = '';
        }

        $recommendBooksInfoResult = ClientAppService::instance()->userReadBooksInfo($recommendBookIdsParams,
            $this->userInfo);
        if ($recommendBooksInfoResult->code != ErrorCodeConstants::SUCCESS) {
            throw new Exception($recommendBooksInfoResult->msg);
        }

        $result['recommend_book_list'] = $recommendBooksInfoResult->data['bookList'];
        $this->info($result);
    }

    /**
     * 书架接口
     */
    public function syncbookshelf()
    {
        $this->checkParamRequired('json');
        $bookParamsStr = $this->params['json'];
        $bookParamsList = json_decode($bookParamsStr, true);
        $userId = $this->userInfo['id'] ?? null;

        $bookParams = [];
        $recentUpBookIds = [];
        $recentDelBookIds = [];

        foreach ($bookParamsList as $bookParam) {
            $bookId = $bookParam['bookId'];
            $bookParams[$bookId] = $bookParam['chapterKey'];
        }

        if (!empty($this->userInfo)) {//登录后的用户处理更新与删除
            foreach ($bookParamsList as $bookParam) {
                $bookId = $bookParam['bookId'];
                switch ($bookParam['operate']) {
                    case ClientApiConstants::RECENT_OPERATE_UPDATE:
                        $recentUpBookIds[] = $bookId;
                        break;
                    case ClientApiConstants::RECENT_OPERATE_DELETE:
                        $recentDelBookIds[] = $bookId;
                        break;
                    default:
                        break;
                }
            }
        }

        //获取书籍信息和最近阅读信息
        $booksInfoResult = ClientAppService::instance()->userReadBooksInfo($bookParams, $this->userInfo, true);
        if ($booksInfoResult->code != ErrorCodeConstants::SUCCESS) {
            throw new Exception($booksInfoResult->msg);
        }

        $bookList = $booksInfoResult->data['bookList'];
        $originalBookList = $booksInfoResult->data['originalBookList'];
        $recentList = isset($booksInfoResult->data['recentList']) ? $booksInfoResult->data['recentList'] : [];

        //更新最近阅读
        foreach ($recentUpBookIds as $recentUpBookId) {
            //待更新书籍的章节列表
            $chaptersResult = BookService::instance()->getChapterListForClient($recentUpBookId);
            if ($chaptersResult->code != ErrorCodeConstants::SUCCESS) {
                LogService::error(sprintf('更新最近阅读失败，userId:%s,bookId:%s,msg:%s', $userId, $recentUpBookId,
                    $chaptersResult->msg));
                continue;
            }
            $chapterList = $chaptersResult->data;

            //从输入参数中获取待更新书籍对象
            $bookUpParamsItem = ArrayHelper::array_column_search($bookParamsList, 'bookId', $recentUpBookId);

            //从章节列表获取用户阅读最新章节的"阅读记录对象"
            $chapterItem = ArrayHelper::array_column_search($chapterList, 'id', $bookUpParamsItem['currentCid']);
            if (empty($chapterItem)) {
                LogService::error(sprintf('没有找到书籍指定章节，bookId:%s,currentCid:%s', $recentUpBookId,
                    $bookUpParamsItem['currentCid']));
                continue;
            }
            //从数据库获取待更新书籍原始对象
//            $bookItem = ArrayHelper::array_column_search($originalBookList, 'id', $recentUpBookId);

            $upRecentResult = BookService::instance()->setRecentlyRead($chapterItem['name'], $chapterItem['id'],
                $recentUpBookId, $userId, $chapterItem['idx']);
            if ($upRecentResult->code != ErrorCodeConstants::SUCCESS) {
                $this->error($upRecentResult->msg, $upRecentResult->code);
            }

            #region 更新阅读记录后，将最新的阅读章节信息返回
            foreach ($bookList as &$orgBookItem) {
                if ($recentUpBookId == $orgBookItem['book_id']) {
                    $orgBookItem['current_cid'] = $chapterItem['id'];
                    $orgBookItem['current_c_name'] = $chapterItem['name'];
                    $orgBookItem['action_time'] = strval(time());
                }
            }
            #endregion

        }

        $delRecentIds = [];
        $delRecentBookIds = [];

        //删除最近阅读记录
        foreach ($recentDelBookIds as $recentDelBookId) {
            $recentItem = ArrayHelper::array_column_search($recentList, 'book_id', $recentDelBookId);
            #region 在返回的书籍列表中删除需要在阅读记录删除的书籍信息
            foreach ($bookList as $key => $item) {
                if ($item['book_id'] == $recentDelBookId) {
                    unset($bookList[$key]);
                    break;
                }
            }
            #endregion

            if (empty($recentItem)) {
                LogService::error(sprintf('删除最近阅读失败，用户没有阅读过这本书，userId:%s,bookIds:%s', $userId, $recentDelBookId));
                continue;
            }
            $delRecentIds[] = $recentItem['id'];
            $delRecentBookIds[] = $recentItem['book_id'];
        }

        if (count($delRecentIds) > 0 && count($delRecentBookIds) > 0) {
            $delRecentResult = BookService::instance()->removeRecentlyRead($delRecentIds, $delRecentBookIds, $userId);
            if ($delRecentResult->code != ErrorCodeConstants::SUCCESS) {
                LogService::error(sprintf('删除最近阅读失败，userId:%s,msg:%s', $userId, $delRecentResult->msg));
            }
        }

        foreach ($bookList as &$bookItem) {
            if (empty($bookItem['action_time'])) {
                $paramItem = ArrayHelper::array_column_search($bookParamsList, 'bookId', $bookItem['book_id'], true);
                $bookItem['action_time'] = strval($paramItem['actionTime']);
            }
        }

        $bookList = array_values($bookList);
        $result['book_list'] = $bookList;

        $this->info($result);
    }

    /**
     * 书籍详情页推荐书籍接口
     * @throws Exception
     */
    public function recommendbooks()
    {
        $this->checkParamRequired(['bookIds', 'size']);
        $strExcludeBookIds = $this->params['bookIds'];
        $excludeBookIds = explode(',', $strExcludeBookIds);//需要排除的书籍id列表
        $size = $this->params['size'];

        $sex = 0;
        if (!empty($this->userInfo)) {
            $sex = $this->userInfo['sex'];
        }
        //推荐书籍id列表,获取的数量是客户端展示数量的3倍，用于随机处理。
        $recommendBookIds = BookService::instance()->getRecommendBookIdsForClient($sex, $size * 3);

        //过滤需要排除的书籍id列表
        $needBookIds = array_diff($recommendBookIds, $excludeBookIds);

        //随机获取书籍id的key
        $needBookKeys = array_rand($needBookIds, $size);
        $needBookResIds = [];
        foreach ($needBookKeys as $needBookKey) {
            //获取需要输出的书籍id列表
            $needBookResIds[$needBookIds[$needBookKey]] = '';
        }

        $booksInfoResult = ClientAppService::instance()->userReadBooksInfo($needBookResIds, $this->userInfo);

        if ($booksInfoResult->code != ErrorCodeConstants::SUCCESS) {
            throw new Exception($booksInfoResult->msg);
        }

        $result['recommend_book_list'] = $booksInfoResult->data['bookList'];
        $this->info($result);
    }
}