<?php

namespace App\Models;

use App\Helper\JSONResponse;
use App\Helper\STS\Indokargo;
use App\Helper\Traits\Models\CanMultiOrderBy;
use App\Helper\Traits\Models\CanMultiSearch;
use Carbon\Carbon;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\Casts\AsArrayObject;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasOne;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Str;

class NewTvRequest extends Model {
    use HasFactory;
    use CanMultiSearch;
    use CanMultiOrderBy;

    protected $table = 'new_tv_requests';
    protected $casts = ['device_info'=>AsArrayObject::class];

    //------------------------------------------------------------
    // -- RELATED TO RELATIONSHIP
    // HAS ONE
    public function self(): HasOne { return $this->hasOne(self::class, 'id', 'id'); }
    /// BELONGS TO
    public function tv(): BelongsTo { return $this->belongsTo(Tv::class, 'tv_fk', 'id'); }
    // -- END RELATED TO RELATIONSHIP
    //------------------------------------------------------------

    //------------------------------------------------------------
    // -- RELATED TO SCOPE
    public function scopeAddColumnCanApprove(Builder $query) {
        $query->withCount(['self as can_approve' => function($q) {
            $q->whereNull('activated_at');
        }]);
    }
    public function scopeAddColumnCanReject(Builder $query) {
        $query->withCount(['self as can_reject' => function($q) {
            $q->whereNull('activated_at');
        }]);
    }
    // -- END RELATED TO SCOPE
    //------------------------------------------------------------

    //------------------------------------------------------------
    // -- RELATED TO DATA FUNCTION
    private static function _generateRandomCode(): string {
        $totalDigit = 6;
        $randomDigit = '';
        while(true) {
            $randomDigit = strtoupper(Str::random($totalDigit));
            $isExist = NewTvRequest::where('code', $randomDigit)->first();
            if(!$isExist) break;
        }
        return $randomDigit;
    }
    // -- END RELATED TO DATA FUNCTION
    //------------------------------------------------------------

    //------------------------------------------------------------
    // -- RELATED TO FROM REQUEST FUNCTION
    private static function _checkOrCreateResponse(NewTvRequest $newTvReq) {
        if($newTvReq->is_activated) {
            // make sure waiting tv_device responded before deleted
            if(empty($newTvReq->responded_at)) {
                $newTvReq->responded_at = now();
                $newTvReq->save();
            }

            return JSONResponse::Success([
                'message' => 'activated',
                'is_active' => true,
                'new_tv_request' => $newTvReq,
                'tv' => $newTvReq->tv
            ]);
        }

        return JSONResponse::Success([
            'message' => 'not activate',
            'is_active' => false,
            'new_tv_request' => $newTvReq,
            'tv' => null
        ]);
    }

    public static function approveFromRequest(Request $request) {
        $request->validate([
            'id' => 'required|integer|exists:App\Models\NewTvRequest',
            'tv' => 'required|array',
        ]);

        $tvRequest = new Request($request->tv);
        if($tvRequest->filled('code')) $tvRequest->code = strtoupper($tvRequest->code);

        $tvRequest->validate([
            'code' => 'required|string|unique:App\Models\Tv,code',
            'col1' => 'nullable|string',
            'col2' => 'nullable|string',
            'col3' => 'nullable|string',
            'col4' => 'nullable|string',
            'col5' => 'nullable|string',
            'col6' => 'nullable|string',
            'col7' => 'nullable|string',
            'col8' => 'nullable|string',
            'col9' => 'nullable|string',
            'col10' => 'nullable|string',
            'notes' => 'nullable|string',
        ]);

        $newTvReq = NewTvRequest::addColumnCanApprove()
                        ->findOrFail($request->id);
        if(!$newTvReq->can_approve) throw new \Exception('Cannot approve current request');

        try {
            DB::beginTransaction();
            $tv = new Tv();
            $tv->code = $tvRequest->code;
            $tv->col1 = $tvRequest->col1;
            $tv->col2 = $tvRequest->col2;
            $tv->col3 = $tvRequest->col3;
            $tv->col4 = $tvRequest->col4;
            $tv->col5 = $tvRequest->col5;
            $tv->col6 = $tvRequest->col6;
            $tv->col7 = $tvRequest->col7;
            $tv->col8 = $tvRequest->col8;
            $tv->col9 = $tvRequest->col9;
            $tv->col10 = $tvRequest->col10;
            $tv->notes = $tvRequest->notes;
            $tv->device_info = $newTvReq->device_info;
            $tv->save();

            $newTvReq->activated_at = now();
            $newTvReq->tv_fk = $tv->id;
            $newTvReq->save();

            // try to sys_to_sys with indokargo
            $jsonResponse = Indokargo::createTVAddress($tvRequest, $tv->id);
            DB::commit();
            return $jsonResponse;
        } catch(\Throwable $th) {
            DB::rollback();
            throw $th;
        }
    }

    public static function rejectFromRequest(Request $request) {
        $request->validate([
            'id' => 'required|integer|exists:App\Models\NewTvRequest',
        ]);
        $newTvRequest = NewTvRequest::addColumnCanReject()
                            ->findOrFail($request->id);
        if(!$newTvRequest->can_reject) throw new \Exception('Cannot reject current request');
        $newTvRequest->delete();

        return JSONResponse::Success(['data' => $newTvRequest ]);
    }

    /**
     * Rule:
     * 1. if it has not been activated for more than the expiry date, deleted it
     * 2. if it has been activated & has been responded more than expiry date, delete it
     *  - case: when has been activated, but intenet connection missing, how can device know
     *          that the new request tv has been activated?
     */
    private static function _getMaxExpiredTime() :Carbon { return Carbon::now()->subHour(); }
    public static function deleteExpiredRequests() {
        $expiredTime = self::_getMaxExpiredTime()->toString();
        NewTvRequest::where(function($q) use ($expiredTime) {
                        $q->whereNull('activated_at')->where('created_at', '<=', $expiredTime);
                    })->orWhere(function($q) use ($expiredTime) {
                        $q->where('responded_at', '<=', $expiredTime );
                    })->delete();
    }
    // -- END RELATED TO FROM REQUEST FUNCTION
    //------------------------------------------------------------
}