<?php

namespace App\Http\Controllers\API;

use App\Http\Controllers\Controller;
use App\Http\Requests\API\Requirement\ClosedRequest;
use App\Http\Requests\API\Requirement\CreateOrUpdateRequest;
use App\Http\Requests\API\Requirement\LinkPlanRequest;
use App\Http\Requests\API\Requirement\BatchCreateRequest;
use App\Http\Resources\API\AssetRequirementResource;
use App\Http\Resources\API\RequirementResource;
use App\Models\Asset;
use App\Models\Enums\ActionObjectType;
use App\Models\Enums\RequirementStatus;
use App\Models\Enums\ObjectAction;
use App\Models\Plan;
use App\Models\Requirement;
use App\Repositories\ActionRepository;
use App\Services\History\ModelChangeDetector;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\DB;
use Illuminate\Validation\Rules\Enum;

class RequirementController extends Controller
{
    /**
     * Display a listing of the resource.
     */
    public function index(Request $request)
    {
        $requirements=Requirement::filter($request->all())->where('company_id',Auth::user()->company_id)->with(['createdBy', 'plan','group','asset'=>function($query){
            $query->with('parent');
        }]) ->simplePaginate();

        return AssetRequirementResource::collection($requirements);
    }

//    public function byAsset(Request $request,string $assetId)
//    {
//        $requirements=Requirement::filter($request->all())->with(['createdBy', 'plan','group']) ->where('asset_id', $assetId)->simplePaginate();
//
//        return AssetRequirementResource::collection($requirements);
//    }

    /**
     * Store a newly created resource in storage.
     */
    public function store(CreateOrUpdateRequest $request)
    {
        $requirement = new Requirement();

        $requirement->mergeFillable([
            'company_id', 'created_by',
        ]);

        $requirement->fill([
            ...$request->all(),
            'company_id' => Auth::user()->company_id,
            'created_by' => Auth::id(),
        ]);
        $requirement->save();

        ActionRepository::createRequirement(
            $requirement, ObjectAction::CREATED
        );

        return $this->created();
    }

    /**
     * Display the specified resource.
     */
    public function show(string $id)
    {
        $requirement = Requirement::query()->findOrFail($id);

        return new RequirementResource($requirement);
    }

    /**
     * Update the specified resource in storage.
     */
    public function update(CreateOrUpdateRequest $request, string $id)
    {
        $requirement = Requirement::findOrFail($id);

        $requirement->fill($request->all());
        $changes = ModelChangeDetector::detector(ActionObjectType::REQUIREMENT, $requirement);
        $requirement->save();

        ActionRepository::createRequirement(
            $requirement, ObjectAction::STARTED,objectChanges: $changes
        );
        return $this->noContent();
    }

    /**
     * Remove the specified resource from storage.
     */
    public function destroy(string $id)
    {
        $requirement = Requirement::findOrFail($id);

        $requirement->delete();

        ActionRepository::createRequirement(
            $requirement, ObjectAction::DELETED
        );

        return $this->noContent();
    }

    public function close(Request $request,string $id){
        $requirement = Requirement::findOrFail($id);

        $requirement->status = RequirementStatus::CLOSED->value;
        $changes = ModelChangeDetector::detector(ActionObjectType::REQUIREMENT, $requirement);
        $requirement->save();

        ActionRepository::createRequirement(
            $requirement, ObjectAction::CLOSED, $request->get("comment"), objectChanges: $changes
        );

        return $this->noContent();
    }

    public function start(Request $request, string $id)
    {
        $requirement = Requirement::findOrFail($id);

        $requirement->status = RequirementStatus::ACTIVE->value;
        $changes = ModelChangeDetector::detector(ActionObjectType::REQUIREMENT, $requirement);
        $requirement->save();

        ActionRepository::createRequirement(
            $requirement, ObjectAction::STARTED, $request->get("comment"), objectChanges: $changes
        );

        return $this->noContent();
    }

    public function linkPlan(LinkPlanRequest $request, string $planId)
    {
        $plan = Plan::query()->findOrFail($planId);

        Requirement::query()->where("asset_id", $plan->asset_id)
            ->whereIn('id', $request->get("requirement_ids"))
            ->update([
                'plan_id' => $plan->id,
            ]);

        return $this->noContent();
    }

    public function unlinkPlan(LinkPlanRequest $request)
    {
        Requirement::query()->whereIn('id', $request->get("requirement_ids"))
            ->update([
                'plan_id' => null,
            ]);

        return $this->noContent();
    }

    public function batchStore(BatchCreateRequest $request)
    {
        $requirementsData = $request->all();
        $companyId = Auth::user()->company_id;
        $created_by = Auth::id();
        DB::transaction(function () use ($requirementsData,$companyId,$created_by) {
            foreach ($requirementsData as $k => $data) {
                $requirement = new Requirement();
                $requirement->mergeFillable([
                    'company_id', 'created_by',
                ]);
                if($k != 0){
                    $requirementsData[$k]["requirement_group_id"] = $requirementsData[$k]["requirement_group_id"] == 'ditto'?$requirementsData[$k-1]["requirement_group_id"]:$requirementsData[$k]["requirement_group_id"];
                    $requirementsData[$k]["priority"] =  $requirementsData[$k]["priority"] == 'ditto'?  $requirementsData[$k-1]["priority"]: $requirementsData[$k]["priority"];
                }
                $requirement->fill([
                    ...$requirementsData[$k],
                    'company_id' => $companyId,
                    'created_by' =>  $created_by,
                    'status' => RequirementStatus::ACTIVE,
                    'mailto' => [],
                ]);
                $requirement->save();

                 ActionRepository::createRequirement(
                     $requirement, ObjectAction::CREATED
                 );
            }
        });
        return $this->created();
    }
}