<?php

namespace App\Http\Controllers;

use App\Models\Collection;
use Illuminate\Http\Request;
use Illuminate\Support\Str;
use Illuminate\Support\Facades\Log;
use App\Http\Api\AuthApi;
use App\Http\Api\StudioApi;
use App\Http\Api\ShareApi;
use App\Http\Resources\CollectionResource;
use Illuminate\Support\Facades\DB;

class CollectionController extends Controller
{
    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index(Request $request)
    {

        $result = false;
        $indexCol = [
            'uid',
            'title',
            'subtitle',
            'summary',
            'article_list',
            'owner',
            'status',
            'default_channel',
            'lang',
            'updated_at',
            'created_at'
        ];
        switch ($request->get('view')) {
            case 'studio_list':
                $indexCol = ['owner'];
                //TODO ?
                $table = Collection::select($indexCol)
                    ->selectRaw('count(*) as count')
                    ->where('status', 30)
                    ->groupBy('owner');
                break;
            case 'studio':
                $user = AuthApi::current($request);
                if (!$user) {
                    return $this->error(__('auth.failed'));
                }
                $studioId = StudioApi::getIdByName($request->get('name'));
                //判断当前用户是否有指定的studio的权限
                if ($user['user_uid'] !== $studioId) {
                    return $this->error(__('auth.failed'));
                }
                $table = Collection::select($indexCol);
                if ($request->get('view2', 'my') === 'my') {
                    $table = $table->where('owner', $studioId);
                } else {
                    //协作
                    $resList = ShareApi::getResList($studioId, 4);
                    $resId = [];
                    foreach ($resList as $res) {
                        $resId[] = $res['res_id'];
                    }
                    $table = $table->whereIn('uid', $resId)->where('owner', '<>', $studioId);
                }
                break;
            case 'public':
                //全网公开
                $table = Collection::select($indexCol)->where('status', 30);
                if ($request->has('studio')) {
                    $studioId = StudioApi::getIdByName($request->get('studio'));
                    $table = $table->where('owner', $studioId);
                }
                break;
            default:
                # code...
                return $this->error("无法识别的view参数", 200, 200);
                break;
        }
        if ($request->has("search") && !empty($request->has("search"))) {
            $table = $table->where('title', 'like', "%" . $request->get("search") . "%");
        }
        $count = $table->count();
        if ($request->has("order") && $request->has("dir")) {
            $table = $table->orderBy($request->get("order"), $request->get("dir"));
        } else {
            if ($request->get('view') === 'studio_list') {
                $table = $table->orderBy('count', 'desc');
            } else {
                $table = $table->orderBy('updated_at', 'desc');
            }
        }

        $table = $table->skip($request->get("offset", 0))
            ->take($request->get("limit", 1000));

        $result = $table->get();
        return $this->ok(["rows" => CollectionResource::collection($result), "count" => $count]);
    }

    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function showMyNumber(Request $request)
    {
        $user = AuthApi::current($request);
        if (!$user) {
            return $this->error(__('auth.failed'));
        }
        //判断当前用户是否有指定的studio的权限
        $studioId = StudioApi::getIdByName($request->get('studio'));
        if ($user['user_uid'] !== $studioId) {
            return $this->error(__('auth.failed'));
        }
        //我的
        $my = Collection::where('owner', $studioId)->count();
        //协作
        $resList = ShareApi::getResList($studioId, 4);
        $resId = [];
        foreach ($resList as $res) {
            $resId[] = $res['res_id'];
        }
        $collaboration = Collection::whereIn('uid', $resId)->where('owner', '<>', $studioId)->count();

        return $this->ok(['my' => $my, 'collaboration' => $collaboration]);
    }

    public static function UserCanEdit($user_uid, $collection)
    {
        if ($collection->owner === $user_uid) {
            return true;
        }
        //查协作
        $currPower = ShareApi::getResPower($user_uid, $collection->uid);
        if ($currPower >= 20) {
            return true;
        }
        return false;
    }
    public static function UserCanRead($user_uid, $collection)
    {
        if ($collection->owner === $user_uid) {
            return true;
        }
        //查协作
        $currPower = ShareApi::getResPower($user_uid, $collection->uid);
        if ($currPower >= 10) {
            return true;
        }
        return false;
    }
    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request)
    {
        $user = \App\Http\Api\AuthApi::current($request);
        if (!$user) {
            return $this->error(__('auth.failed'), 401, 401);
        }
        //判断当前用户是否有指定的studio的权限
        if ($user['user_uid'] !== \App\Http\Api\StudioApi::getIdByName($request->get('studio'))) {
            return $this->error(__('auth.failed'), 403, 403);
        }
        //查询是否重复
        if (Collection::where('title', $request->get('title'))->where('owner', $user['user_uid'])->exists()) {
            return $this->error(__('validation.exists'), 200, 200);
        } else {
            $newOne = new Collection;
            $newOne->id = app('snowflake')->id();
            $newOne->uid = Str::uuid();
            $newOne->title = $request->get('title');
            $newOne->lang = $request->get('lang');
            $newOne->article_list = "[]";
            $newOne->owner = $user['user_uid'];
            $newOne->owner_id = $user['user_id'];
            $newOne->editor_id = $user['user_id'];
            $newOne->create_time = time() * 1000;
            $newOne->modify_time = time() * 1000;
            $newOne->save();
            return $this->ok(new CollectionResource($newOne));
        }
    }

    /**
     * Display the specified resource.
     * @param  \Illuminate\Http\Request  $request
     * @param  string  $id
     * @return \Illuminate\Http\Response
     */
    public function show(Request  $request, $id)
    {
        $result  = Collection::where('uid', $id)->first();
        if (!$result) {
            Log::warning("没有查询到数据 id={$id}");
            return $this->error("没有查询到数据 id={$id}");
        }
        if ($result->status < 30) {
            //私有文章，判断权限
            Log::info('私有文章，判断权限' . $id);
            $user = \App\Http\Api\AuthApi::current($request);
            if (!$user) {
                Log::warning('未登录');
                return $this->error(__('auth.failed'), 403, 403);
            }
            //判断当前用户是否有指定的studio的权限
            if ($user['user_uid'] !== $result->owner) {
                Log::info($user["user_uid"] . '私有文章，判断权限' . $id);
                //非所有者
                if (CollectionController::UserCanRead($user['user_uid'], $result) === false) {
                    Log::warning($user["user_uid"] . '没有读取权限');
                    return $this->error(__('auth.failed'), 403, 403);
                }
            }
        }
        $result->fullArticleList = true;
        return $this->ok(new CollectionResource($result));
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  string  $id
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request, string $id)
    {
        //
        $collection  = Collection::find($id);
        if (!$collection) {
            return $this->error("no recorder");
        }
        //鉴权
        $user = AuthApi::current($request);
        if (!$user) {
            return $this->error(__('auth.failed'), 401, 401);
        }
        if (!CollectionController::UserCanEdit($user["user_uid"], $collection)) {
            return $this->error(__('auth.failed'), 403, 403);
        }
        $collection->title = $request->get('title');
        $collection->subtitle = $request->get('subtitle');
        $collection->summary = $request->get('summary');
        if ($request->has('aritcle_list')) {
            $collection->article_list = \json_encode($request->get('aritcle_list'));
        }
        $collection->lang = $request->get('lang');
        $collection->status = $request->get('status');
        $collection->default_channel = $request->get('default_channel');
        $collection->modify_time = time() * 1000;
        $collection->save();
        return $this->ok(new CollectionResource($collection));
    }

    /**
     * Remove the specified resource from storage.
     * @param  \Illuminate\Http\Request  $request
     * @param  string  $id
     * @return \Illuminate\Http\Response
     */
    public function destroy(Request $request, string $id)
    {
        //
        $user = AuthApi::current($request);
        if (!$user) {
            return $this->error(__('auth.failed'));
        }
        //判断当前用户是否有指定的studio的权限
        $collection = Collection::find($id);
        if ($user['user_uid'] !== $collection['owner']) {
            return $this->error(__('auth.failed'));
        }
        $delete = 0;
        DB::transaction(function () use ($collection, $delete) {
            //TODO 删除文集中的文章
            $delete = $collection->delete();
        });

        return $this->ok($delete);
    }
}