<?php

namespace App\Console\Commands;

use Illuminate\Support\Facades\Log;

use Carbon\Carbon;

use Illuminate\Support\Facades\Validator;
use Illuminate\Console\Command;
use App\Models\Sentence;
use App\Models\PaliSentence;
use App\Models\Progress;
use App\Models\ProgressChapter;
use App\Models\PaliText;
use App\Models\Tag;
use App\Models\TagMap;
use App\Models\Channel;
use App\Http\Api\MdRender;
use App\Services\PaliTextService;

class UpgradeProgressChapter extends Command
{
    /**
     * The name and signature of the console command.
     * php artisan upgrade:progress.chapter --book=168 --para=915 --channel=19f53a65-81db-4b7d-8144-ac33f1217d34
     * @var string
     */
    protected $signature = 'upgrade:progress.chapter  {--book=} {--para=} {--channel=} {--driver=str} {--resume}';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = '更新章节完成度，以channel为单位';

    const COMPLETION_RATE = 0.9;

    /**
     * Create a new command instance.
     *
     * @return void
     */
    public function __construct()
    {
        parent::__construct();
    }

    /**
     * Execute the console command.
     *
     * @return int
     */
    public function handle()
    {
        if (\App\Tools\Tools::isStop()) {
            return 0;
        }
        $paliTextService = app(PaliTextService::class);

        $this->info("upgrade:progresschapter start.");
        $startTime = time();
        $book = $this->option('book');
        $para = $this->option('para');
        $channelId = $this->option('channel');
        if ($channelId) {
            $this->line('channel=' . $channelId);
        }

        \App\Tools\Markdown::driver($this->option('driver'));

        $tagCount = 0;
        #第一步 查询有多少书有译文
        if ($book) {
            if ($this->option('resume')) {
                $table = Sentence::whereBetween('book_id', [$book, 217]);
            } else {
                $table = Sentence::where('book_id', $book);
            }
            $books = $table->groupby('book_id')
                ->select('book_id')
                ->get();
        } else {
            $books = Sentence::where('strlen', '>', 0)
                ->where('book_id', '<', 1000)
                ->whereNotNull('channel_uid')
                ->groupby('book_id')
                ->select('book_id')
                ->get();
        }


        $totalBook = count($books);

        foreach ($books as $book) {
            $this->info("{$book->book_id} start total {$totalBook}");
            if ($para) {
                $table = PaliText::where('book', $book->book_id)
                    ->where('paragraph', '<=', $para);
            } else {
                $table = PaliText::where('book', $book->book_id);
            }
            $chapters = $table->where('level', '>', 0)
                ->where('level', '<', 8)
                ->select('paragraph', 'chapter_strlen', 'chapter_len')
                ->get();

            foreach ($chapters as $key => $chapter) {
                # code...
                $chapter_strlen = PaliSentence::where('book', $book->book_id)
                    ->whereBetween('paragraph', [$chapter->paragraph, $chapter->paragraph + $chapter->chapter_len - 1])
                    ->sum('length');
                if ($chapter_strlen == 0) {
                    $this->error('chapter_strlen is 0 book:' . $book->book_id . ' paragraph:' . $chapter->paragraph . '-' . ($chapter->paragraph + $chapter->chapter_len - 1));
                    continue;
                }
                $table = Progress::where('book', $book->book_id)
                    ->whereBetween('para', [$chapter->paragraph, $chapter->paragraph + $chapter->chapter_len - 1]);
                if ($channelId) {
                    $table->where('channel_id', $channelId);
                }
                $strlen = $table->groupby('channel_id')
                    ->selectRaw('channel_id, sum(all_strlen) as cp_len')
                    ->get();
                foreach ($strlen as $final) {
                    # code...
                    # 计算此段落完成时间
                    $finalAt = Progress::where('book', $book->book_id)
                        ->whereBetween('para', [$chapter->paragraph, $chapter->paragraph + $chapter->chapter_len - 1])
                        ->where('channel_id', $final->channel_id)
                        ->max('created_at');
                    $updateAt = Progress::where('book', $book->book_id)
                        ->whereBetween('para', [$chapter->paragraph, $chapter->paragraph + $chapter->chapter_len - 1])
                        ->where('channel_id', $final->channel_id)
                        ->max('updated_at');
                    $transTexts = Sentence::where('book_id', $book->book_id)
                        ->whereBetween('paragraph', [$chapter->paragraph + 1, $chapter->paragraph + $chapter->chapter_len - 1])
                        ->where('channel_uid', $final->channel_id)
                        ->select('content')
                        ->orderBy('paragraph')
                        ->orderBy('word_start')
                        ->get();

                    $mdRender = new MdRender(['format' => 'simple']);

                    #查询标题
                    $title = Sentence::where('book_id', $book->book_id)
                        ->where('paragraph', $chapter->paragraph)
                        ->where('channel_uid', $final->channel_id)
                        ->value('content');
                    $title = $mdRender->convert($title, [$final->channel_id]);

                    $summaryText = "";
                    foreach ($transTexts as $text) {
                        # code...
                        $textContent = $mdRender->convert($text->content, [$final->channel_id]);
                        $summaryText .= str_replace("\n", "", $textContent);
                        if (mb_strlen($summaryText, "UTF-8") > 255) {
                            break;
                        }
                    }

                    //查询语言
                    $channelLang = Channel::where('uid', $final->channel_id)->value('lang');
                    $lang = explode('-', $channelLang)[0];
                    $attributes = [
                        'book' => $book->book_id,
                        'para' => $chapter->paragraph,
                        'channel_id' => $final->channel_id
                    ];

                    $rules = array(
                        'book' => 'integer',
                        'para' => 'integer',
                        'channel_id' => 'uuid'
                    );

                    $validator = Validator::make($attributes, $rules);
                    if ($validator->fails()) {
                        $this->error("Validator is fails");
                        return 0;
                    }
                    if (ProgressChapter::where($attributes)->exists()) {
                        $chapterData = ProgressChapter::where($attributes)->first();
                    } else {
                        $chapterData = new ProgressChapter;
                        $chapterData->book = $attributes["book"];
                        $chapterData->para = $attributes["para"];
                        $chapterData->channel_id = $attributes["channel_id"];
                    }
                    $progress = $final->cp_len / $chapter_strlen;
                    $addChapter = false;
                    if ($progress >= self::COMPLETION_RATE) {
                        if (empty($chapterData->completed_at)) {
                            // 添加新的章节了
                            $chapterData->completed_at = $finalAt;
                            $addChapter = true;
                        }
                    }

                    $chapterData->lang = $lang;
                    $chapterData->all_trans = $progress;
                    $chapterData->public = $progress;
                    $chapterData->progress = $progress;
                    $chapterData->title = $title ? mb_substr($title, 0, 255, "UTF-8") : "";
                    $chapterData->summary = $summaryText ? mb_substr($summaryText, 0, 255, "UTF-8") : "";
                    $chapterData->created_at = $finalAt;
                    $chapterData->updated_at = $updateAt;
                    $chapterData->save();


                    if ($addChapter) {
                        // 添加新的章节了
                        //修改父目录
                        $loop = 0;
                        $currBook = $attributes["book"];
                        $currPara = $attributes["para"];
                        while ($parent = $paliTextService->getParent($currBook, $currPara)) {
                            $parentChapter = ProgressChapter::where('book', $currBook)
                                ->where('para', $parent->paragraph)
                                ->where('channel_id', $attributes["channel_id"])
                                ->first();
                            if ($parentChapter) {
                                $currPara = $parent->paragraph;
                                if (
                                    is_null($parentChapter->last_chapter_completed_at) ||
                                    Carbon::parse($finalAt)->gt(Carbon::parse($parentChapter->last_chapter_completed_at))
                                ) {
                                    $parentChapter->last_chapter_completed_at = $finalAt;
                                    // 计算字章节有多少已经完成
                                    $chapterEnd = $parent->paragraph + $parent->chapter_len - 1;
                                    $totalCompleted = ProgressChapter::where('book', $currBook)
                                        ->whereBetween('para', [$parent->paragraph, $chapterEnd])
                                        ->where('channel_id', $attributes["channel_id"])
                                        ->whereNotNull('completed_at')
                                        ->count();
                                    $parentChapter->completed_chapters = $totalCompleted;
                                    $parentChapter->save();
                                    /*
                                    Log::info('update last_chapter_completed_at', [
                                        'para' => $parent->paragraph,
                                        'completed' => $totalCompleted
                                    ]);
                                    */
                                }
                            } else {
                                break;
                            }
                            $loop++;
                        }
                        //Log::info('update parent completed loop ' . $loop);
                    }


                    $wasCreated = $chapterData->wasRecentlyCreated;
                    $wasChanged = $chapterData->wasChanged();
                    #查询路径
                    $path = json_decode(
                        PaliText::where('book', $book->book_id)
                            ->where('paragraph', $chapter->paragraph)
                            ->value('path')
                    );

                    if ($path) {
                        //查询标签
                        $tags = [];
                        foreach ($path as $key => $value) {
                            # code...
                            if ($value->level > 0) {
                                $paliTextUuid = PaliText::where('book', $value->book)
                                    ->where('paragraph', $value->paragraph)
                                    ->value('uid');
                                $tagUuids = TagMap::where('table_name', 'pali_texts')
                                    ->where('anchor_id', $paliTextUuid)
                                    ->select(['tag_id'])
                                    ->get();
                                foreach ($tagUuids as $key => $taguuid) {
                                    # code...
                                    $tags[$taguuid['tag_id']] = 1;
                                }
                            }
                        }

                        //更新标签映射表
                        //删除旧的标签映射表
                        TagMap::where('table_name', 'progress_chapters')
                            ->where('anchor_id', $chapterData->uid)
                            ->delete();
                        foreach ($tags as $key => $tag) {
                            # code...
                            $tagmap = TagMap::create([
                                'table_name' => 'progress_chapters',
                                'anchor_id' => $chapterData->uid,
                                'tag_id' => $key
                            ]);
                            if ($tagmap) {
                                $tagCount++;
                            }
                        }
                    }
                }
            }
        }
        $time = time() - $startTime;
        $this->info("upgrade:progresschapter finished in {$time}s tag count:{$tagCount}");
        return 0;
    }
}