<?php

namespace App\Http\Controllers\Api;

use Illuminate\Http\Request;
use App\Http\Controllers\Controller;
use App\WorkspaceMessage;
use App\WorkspaceUnreadMessage;
use App\WorkspaceTaskDetailOwner;

class WorkspaceMessageController extends Controller
{
    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index(Request $request, $workspaceTaskDetailId)
    {
        $messages = new WorkspaceMessage;
        $messages = $messages->with('user')->where('workspace_task_detail_id', $workspaceTaskDetailId)
            ->orderBy("id", "desc")
                        ->paginate(10);

        $unreadMsg = WorkspaceUnreadMessage::where([
                        ['workspace_task_detail_id', $workspaceTaskDetailId],
                        ['user_id', \Auth::user()->id]])->first();
             
        if (!$unreadMsg) {
            WorkspaceUnreadMessage::create([
                'workspace_task_detail_id' => $workspaceTaskDetailId,
                'user_id' => \Auth::user()->id,
                'count' => 0
            ]);
        } else {
            $unreadMsg->update([
                'count' => 0
            ]);
        }

        return response()->json([
            'messages' => \array_reverse($messages->items()),
            "more" => $request->page < $messages->lastPage(),
        ]);
    }

    /**
     * Show the form for creating a new resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function create()
    {
        //
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request)
    {
        $wm = WorkspaceMessage::create([
            'workspace_task_detail_id' => $request->workspace_task_detail_id,
            'user_id' => \Auth::user()->id,
            'message' => $request->message,
            'created_at' => date("Y-m-d H:i:s")
        ]);

        $rootOwner = $wm->workspaceTaskDetail->workspaceTask->workspace->user;
        if ($rootOwner->id !== \Auth::user()->id) {
            $this->addUnreadCount($wm->workspace_task_detail_id, $rootOwner->id);
        }

        $owners = $wm->workspaceTaskDetail->owners;

        foreach ($owners as $row) {
            if ($row->user_id !== \Auth::user()->id) {
                $this->addUnreadCount($wm->workspace_task_detail_id, $row->user_id);
            }
        }


        $unreadMsg = WorkspaceUnreadMessage::where([
            ['workspace_task_detail_id', $wm->workspace_task_detail_id],
            ['user_id', \Auth::user()->id]
        ])->first();

        if (!$unreadMsg) {
            WorkspaceUnreadMessage::create([
                'workspace_task_detail_id' => $request->workspace_task_detail_id,
                'user_id' => \Auth::user()->id,
                'count' => 1
            ]);
        } else {
            $unreadMsg->update([
                'count' => $unreadMsg->count++
            ]);
        }
        
        $wm = WorkspaceMessage::with("user")->findOrFail($wm->id);
        return response()->json($wm);
    }

    private function addUnreadCount($taskDetailId, $userId)
    {
        $unreadMsg = WorkspaceUnreadMessage::where([
            ['workspace_task_detail_id', $taskDetailId],
            ['user_id', $userId]
        ])->first();

        $count = $unreadMsg->count ?? 0;
        $count += 1;
        if (!$unreadMsg) {
            WorkspaceUnreadMessage::create([
                'workspace_task_detail_id' => $taskDetailId,
                'user_id' => $userId,
                'count' => $count
            ]);
        } else {
            $unreadMsg->update([
                'count' => $count
            ]);
        }
    }

    /**
     * Display the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function show($id)
    {
        //
    }

    /**
     * Show the form for editing the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function edit($id)
    {
        
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request, $id)
    {
        //
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function destroy($id)
    {
        //
    }
}