<?php

namespace App\Http\Resources;

use Illuminate\Http\Resources\Json\JsonResource;
use App\Http\Api\UserApi;
use App\Http\Api\StudioApi;
use App\Models\Collection;
use App\Models\Channel;
use App\Models\CourseMember;
use App\Http\Api\AuthApi;
use App\Models\Attachment;
use Illuminate\Support\Facades\Storage;
use Illuminate\Support\Str;
use Illuminate\Support\Facades\App;

class CourseResource extends JsonResource
{
    /**
     * Transform the resource into an array.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return array|\Illuminate\Contracts\Support\Arrayable|\JsonSerializable
     */
    public function toArray($request)
    {
        $data = [
            "id" => $this->id,
            "title" => $this->title,
            "subtitle" => $this->subtitle,
            "summary" => $this->summary,
            "sign_up_message" => $this->sign_up_message,
            "teacher" => UserApi::getByUuid($this->teacher),
            "course_count" => 10,
            "publicity" => $this->publicity,
            "start_at" => $this->start_at,
            "end_at" => $this->end_at,
            "sign_up_start_at" => $this->sign_up_start_at,
            "sign_up_end_at" => $this->sign_up_end_at,
            "content" => $this->content,
            "content_type" => $this->content_type,
            "cover" => $this->cover,
            "channel_id" => $this->channel_id,
            "join" => $this->join,
            "number" => $this->number,
            "request_exp" => $this->request_exp,
            "studio" => StudioApi::getById($this->studio_id),
            "created_at" => $this->created_at,
            "updated_at" => $this->updated_at,
        ];
        $data['member_count'] = CourseMember::where('course_id', $this->id)
            ->where('is_current', true)->count();

        $data['members'] = CourseMember::where('course_id', $this->id)
            ->where('is_current', true)
            ->select(['role', 'status'])
            ->get();
        $user = AuthApi::current($request);
        if ($user) {
            $data['my_role'] = CourseMember::where('course_id', $this->id)
                ->where('is_current', true)
                ->where('user_id', $user['user_uid'])
                ->value('role');
        }

        if ($this->cover) {
            $thumb = str_replace('.jpg', '_m.jpg', $this->cover);
            if (App::environment('local')) {
                $data['cover_url'] = [Storage::url($this->cover), Storage::url($thumb)];
            } else {
                $data['cover_url'] = [
                    Storage::temporaryUrl($this->cover, now()->addDays(6)),
                    Storage::temporaryUrl($thumb, now()->addDays(6)),
                ];
            }
        }
        if (Str::isUuid($this->cover)) {
            $coverId = Attachment::find($this->cover);
            $cover_url = [];
            if ($coverId) {
                $cover_url[] = Storage::disk('public')->url($coverId->bucket . '/' . $coverId->name);
                $cover_url[] = Storage::disk('public')->url($coverId->bucket . '/' . $coverId->id . '_s.jpg');
                $cover_url[] = Storage::disk('public')->url($coverId->bucket . '/' . $coverId->id . '_m.jpg');
                $cover_url[] = Storage::disk('public')->url($coverId->bucket . '/' . $coverId->id . '_l.jpg');
                $data['cover_url'] = $cover_url;
            }
        }

        $textbook = Collection::where('uid', $this->anthology_id)->select(['uid', 'title', 'owner'])->first();
        if ($textbook) {
            $data['anthology_id'] = $textbook->uid;
            $data['anthology_title'] = $textbook->title;
            $data['anthology_owner'] = StudioApi::getById($textbook->owner);
        }
        if (!empty($this->channel_id)) {
            $channel = Channel::where('uid', $this->channel_id)->select(['name', 'owner_uid'])->first();
            if ($channel) {
                $data['channel_name'] = $channel->name;
                $data['channel_owner'] = StudioApi::getById($channel->owner_uid);
            }
        }

        if ($request->input('view') === "study" || $request->input('view') === "teach") {
            $user = AuthApi::current($request);
            if ($user) {
                $course_member = CourseMember::where('user_id', $user["user_uid"])
                    ->where('course_id', $this->id)
                    ->where('is_current', true)
                    ->first();
                if ($course_member) {
                    $data['my_status'] = $course_member->status;
                    $data['my_status_id'] = $course_member->id;
                }
            }
        } else {
            //计算待审核
            $data['count_progressing'] = CourseMember::where('course_id', $this->id)
                ->where('status', "invited")
                ->where('is_current', true)
                ->count();
        }

        return $data;
    }
}