<?php
declare(strict_types=1);

namespace App\Controller\Api\V1\Talk;

use App\Cache\LastMessage;
use App\Cache\Repository\LockRedis;
use App\Cache\UnreadTalkCache;
use App\Constant\TalkModeConstant;
use App\Controller\Api\V1\CController;
use App\Model\Group\Group;
use App\Model\Talk\TalkSession;
use App\Model\User;
use App\Service\TalkSessionService;
use App\Service\TalkService;
use App\Service\UserFriendService;
use App\Support\UserRelation;
use Hyperf\HttpServer\Annotation\Controller;
use Hyperf\HttpServer\Annotation\RequestMapping;
use Hyperf\HttpServer\Annotation\Middleware;
use App\Middleware\JWTAuthMiddleware;
use Psr\Http\Message\ResponseInterface;

/**
 * Class TalkController
 *
 * @Controller(prefix="/api/v1/talk")
 * @Middleware(JWTAuthMiddleware::class)
 *
 * @package App\Controller\Api\V1
 */
class TalkController extends CController
{
    /**
     * @var TalkService
     */
    public $talkService;

    /**
     * @var TalkSessionService
     */
    public $talkSessionService;

    public function __construct(TalkService $talkService, TalkSessionService $talkSessionService)
    {
        parent::__construct();

        $this->talkService        = $talkService;
        $this->talkSessionService = $talkSessionService;
    }

    /**
     * 获取用户对话列表
     *
     * @RequestMapping(path="list", methods="get")
     *
     * @return ResponseInterface
     */
    public function list(): ResponseInterface
    {
        $user_id = $this->uid();

        // 读取用户的未读消息列表
        if ($list = UnreadTalkCache::getInstance()->reads($user_id)) {
            foreach ($list as $friend_id => $num) {
                $this->talkSessionService->create($user_id, $friend_id, TalkModeConstant::PRIVATE_CHAT);
            }
        }

        return $this->response->success($this->talkSessionService->getTalkList($user_id));
    }

    /**
     * 新增对话列表
     *
     * @RequestMapping(path="create", methods="post")
     */
    public function create(UserFriendService $service): ResponseInterface
    {
        $params = $this->request->inputs(['talk_type', 'receiver_id']);

        $this->validate($params, [
            'talk_type'   => 'required|in:1,2',
            'receiver_id' => 'required|integer|min:1'
        ]);

        $user_id = $this->uid();
        $string  = join('-', [$user_id, $params['receiver_id'], $params['talk_type'], md5($this->request->getHeaderLine('user-agent'))]);
        $lock    = 'talk:list:' . $string;

        // 防止前端并发请求
        if (!LockRedis::getInstance()->lock($lock, 60)) {
            return $this->response->fail('创建失败！');
        }

        if (!UserRelation::isFriendOrGroupMember($user_id, $params['receiver_id'], $params['talk_type'])) {
            LockRedis::getInstance()->delete($lock);
            return $this->response->fail('暂不属于好友关系或群聊成员，无法进行聊天！');
        }

        $result = $this->talkSessionService->create($user_id, $params['receiver_id'], $params['talk_type']);
        if (!$result) {
            LockRedis::getInstance()->delete($lock);
            return $this->response->fail('创建失败！');
        }

        $data = TalkSession::item([
            'id'          => $result['id'],
            'talk_type'   => $result['talk_type'],
            'receiver_id' => $result['receiver_id'],
        ]);

        if ($result['talk_type'] == TalkModeConstant::PRIVATE_CHAT) {
            $userInfo            = User::where('id', $data['receiver_id'])->first(['nickname', 'avatar']);
            $data['avatar']      = $userInfo->avatar;
            $data['name']        = $userInfo->nickname;
            $data['unread_num']  = UnreadTalkCache::getInstance()->read($data['receiver_id'], $user_id);
            $data['remark_name'] = $service->getFriendRemark($user_id, (int)$data['receiver_id']);
        } else if ($result['talk_type'] == TalkModeConstant::GROUP_CHAT) {
            $groupInfo      = Group::where('id', $data['receiver_id'])->first(['group_name', 'avatar']);
            $data['name']   = $groupInfo->group_name;
            $data['avatar'] = $groupInfo->avatar;
        }

        $records = LastMessage::getInstance()->read($result['talk_type'], $user_id, $result['receiver_id']);
        if ($records) {
            $data['msg_text']   = $records['text'];
            $data['updated_at'] = $records['created_at'];
        }

        return $this->response->success($data);
    }

    /**
     * 删除对话列表
     *
     * @RequestMapping(path="delete", methods="post")
     */
    public function delete(): ResponseInterface
    {
        $params = $this->request->inputs(['list_id']);
        $this->validate($params, [
            'list_id' => 'required|integer|min:0'
        ]);

        return $this->talkSessionService->delete($this->uid(), $params['list_id'])
            ? $this->response->success([], '对话列表删除成功...')
            : $this->response->fail('对话列表删除失败！');
    }

    /**
     * 对话列表置顶
     *
     * @RequestMapping(path="topping", methods="post")
     */
    public function topping(): ResponseInterface
    {
        $params = $this->request->inputs(['list_id', 'type']);

        $this->validate($params, [
            'list_id' => 'required|integer|min:0',
            'type'    => 'required|in:1,2',
        ]);

        return $this->talkSessionService->top($this->uid(), $params['list_id'], $params['type'] == 1)
            ? $this->response->success([], '对话列表置顶(或取消置顶)成功...')
            : $this->response->fail('对话列表置顶(或取消置顶)失败！');
    }

    /**
     * 设置消息免打扰状态
     *
     * @RequestMapping(path="disturb", methods="post")
     */
    public function disturb(): ResponseInterface
    {
        $params = $this->request->inputs(['talk_type', 'receiver_id', 'is_disturb']);

        $this->validate($params, [
            'talk_type'   => 'required|in:1,2',
            'receiver_id' => 'required|integer|min:1',
            'is_disturb'  => 'required|in:0,1',
        ]);

        return $this->talkSessionService->disturb($this->uid(), $params['receiver_id'], $params['talk_type'], $params['is_disturb'])
            ? $this->response->success([], '免打扰设置成功...')
            : $this->response->fail('免打扰设置失败！');
    }

    /**
     * 更新对话列表未读数
     * @RequestMapping(path="unread/clear", methods="post")
     */
    public function updateUnreadNum(): ResponseInterface
    {
        $params = $this->request->inputs(['talk_type', 'receiver_id']);

        $this->validate($params, [
            'talk_type'   => 'required|in:1,2',
            'receiver_id' => 'required|integer|min:1',
        ]);

        // 设置好友消息未读数
        if ($params['talk_type'] == TalkModeConstant::PRIVATE_CHAT) {
            UnreadTalkCache::getInstance()->reset((int)$params['receiver_id'], $this->uid());
        }

        return $this->response->success();
    }
}