<?php


namespace App\Service;


use App\Error;
use App\Log;
use App\Models\Material;
use App\Models\Media;
use App\Models\MediaGroup;
use Illuminate\Support\Facades\DB;

class MediaService
{
    /**
     * 创建/编辑 素材组
     * */
    public static function editGroup($groupId, $groupName, $sysGroupId, $adminId)
    {
        # 创建/编辑 素材组
        $errno = MediaGroup::editGroup($groupId, $groupName, $sysGroupId, $adminId);

        return [$groupId, $errno];
    }

    /**
     * 删除素材组
     * */
    public static function delGroup($groupId, $sysGroupId, $adminId)
    {
        try {
            DB::beginTransaction();
            # 判断素材组是否存在
            $groupModel = MediaGroup::where('id', $groupId)->where('sys_group_id', $sysGroupId)
                ->where('enable', 1)->first();
            if(empty($groupModel)) {
                DB::rollBack();
                return 2410;
            }

            # 删除
            $groupModel->enable = 0;
            $groupModel->admin_id = $adminId;
            $delResult = $groupModel->save();
            if(!$delResult) {   // 删除失败
                DB::rollBack();
                return 2412;
            }

            $mediaCount = Media::where('group_id', $groupId)->where('sys_group_id', $sysGroupId)->count();
            if($mediaCount){    # 解除该组的素材分组信息
                $updateRes = Media::where('group_id', $groupId)->where('sys_group_id', $sysGroupId)->update(['group_id' => null]);
                if(!$updateRes) {
                    DB::rollBack();
                    return 2412;
                }
            }

            DB::commit();
        } catch (\Exception $e) {
            DB::rollBack();
            Log::logError('删除素材库流程发生异常', [
                'line' => $e->getLine(),
                'msg' => $e->getMessage(),
                'params' => [
                    'group_id' => $groupId,
                    'sys_group_id' => $sysGroupId,
                    'admin_id' => $adminId
                ]
            ], 'DelGroup');
        }

        return 0;
    }

    /**
     * 获取素材组列表
     * */
    public static function getGroupList($sysGroupId, $keyword, $page, $pageSize)
    {
        # 获取列表数据
        list($list, $count) = MediaGroup::groupList($sysGroupId, $keyword, $page, $pageSize);

        return [$list, $count];
    }

    /**
     * 批量保存素材
     * */
    public static function editMedia($mediaData, $sysGroupId, $adminId, &$failList)
    {
        if(empty($mediaData)) return 2413;

        try {
            DB::beginTransaction();

            foreach ($mediaData as $datum) {
                $mediaId = $datum['id'] ?? null;
                $groupId = $datum['group_id'];
                $platformId = $datum['platform_id'];
                $title = $datum['title'];
                $type = $datum['type'];
                $localPath = $datum['local_path'];
                $ossUrl = $datum['url'];

                if(!$localPath || !$ossUrl) continue;

                # 保存素材
                $errorNo = Media::editMedia($title, $localPath, $ossUrl, $type, $mediaId, $groupId, $platformId, $sysGroupId, $adminId);
                if($errorNo) {
                    $failList[] = array(
                        'id' => $mediaId,
                        'url' => $ossUrl,
                        'local_path' => $localPath,
                        'err_msg' => Error::getError($errorNo)
                    );
                }
            }

            DB::commit();
        } catch (\Exception $e) {
            DB::rollBack();
            Log::logError('批量保存素材流程发生异常', [
                'line' => $e->getLine(),
                'msg' => $e->getMessage(),
                'params' => [
                    'media_data' => $mediaData,
                    'sys_group_id' => $sysGroupId,
                    'admin_id' => $adminId
                ]
            ], 'EditMedia');

            return 2415;
        }

        return 0;
    }

    /**
     * 获取素材列表
     * */
    public static function getMediaList($sysGroupId, $keyword, $platformId, $groupId, $page, $pageSize)
    {
        list($list, $count) = Media::mediaList($sysGroupId, $keyword, $platformId, $groupId, $page, $pageSize);

        # 获取列表中的组信息
        $groupIdList = array_unique($list->pluck('group_id')->toArray());
        $groupData = MediaGroup::whereIn('id', $groupIdList)->get();
        # 获取平台列表
        $platformList = IntelligentMassSendingService::platformIndex();
        $platformList = collect($platformList);

        foreach ($list as $item) {
            # 处理平台信息
            $platformInfo = $platformList->where('platform_id', $item->platform_id)->first();
            $item->platform_name = $platformInfo['platform_name'] ?? null;

            # 处理分组信息
            $groupInfo = $groupData->where('id', $item->group_id)->first();
            $item->group_name = $groupInfo['name'] ?? null;
        }
        
        return [$list, $count];
    }

    /**
     * 批量移动分组
     * */
    public static function changeGroup($mediaIds, $groupId, $sysGroupId, $adminId)
    {
        $mediaIds = explode(',', $mediaIds);
        if(empty($mediaIds)) return 2416;

        if($groupId){   # 判断分组id是否合法
            $isExist = MediaGroup::where('id', $groupId)->where('sys_group_id', $sysGroupId)->where('enable', 1)->exists();
            if(!$isExist) return 2417;
        }

        $result = Media::whereIn('id', $mediaIds)
            ->where('sys_group_id', $sysGroupId)
            ->where('enable', 1)
            ->update(['group_id' => $groupId, 'admin_id' => $adminId]);

//        return $result ? 0 : 2418;
        return 0;
    }

    /**
     * 批量删除素材
     * */
    public static function delMedia($mediaIds, $sysGroupId, $adminId)
    {
        $mediaIds = explode(',', $mediaIds);
        if(empty($mediaIds)) return 2419;

        $mediaList = Media::where('enable', 1)->whereIn('id', $mediaIds)->where('sys_group_id', $sysGroupId)->get();
        foreach ($mediaList as $media) {
            $localPath = $media->local_path;
            $ossUrl = $media->oss_url;

            # 删除本地图片
            @unlink($localPath);
            # 删除oss图片
            $oss = new OssService('playlet');
            $oss->delete($ossUrl);

            # 删除数据表中的数据
            Media::where('id', $media->id)->update(['enable' => 0, 'admin_id' => $adminId]);
        }

        return 0;
    }

    /**
     * 保存素材
     * */
    public static function saveMaterial($mediaId, $corpid, &$errno)
    {
        # 查询素材信息
        $mediaInfo = Media::where('enable', 1)->where('id', $mediaId)->first();
        if(empty($mediaInfo)) {
            $errno = 2420;
            return [];
        }

        if(!$mediaInfo->oss_url || !$mediaInfo->local_path) {
            $errno = 2421;
            return [];
        }

        # 存储素材信息到material表
        $materialId = Material::saveMaterial($corpid, $mediaInfo->type, $mediaInfo->local_path, $mediaInfo->oss_url);
        if($materialId === false) {
            $errno = 2422;
            return [];
        }

        return ['material_id' => $materialId, 'url' => $mediaInfo->oss_url];
    }
}