<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;

use Illuminate\Http\Exceptions\HttpResponseException;
use Illuminate\Support\Facades\Http;
use Illuminate\Http\Request;
use Carbon\Carbon;

use App\Models\ApiKeys;

class SmartdokLiveController extends Controller
{
    private string $serviceName = 'smartdok';
    private string $apiKey;
    private string $authToken;

    private string $serviceUrl = 'https://api.smartdok.no';

    public function __construct() {
        $record = ApiKeys::where('category', $this->serviceName)->first();
        if (! $record) {
            throw new HttpResponseException(
                response()->json([
                    'feil' => "ingen tjenesteoppføring funnet for tjenesten '{$this->serviceName}', som betyr at du ikke har definert en API nøkkel for denne tjenesten enda. Logg inn og legg til en API nøkkel først"
                ], 404)
            );
        }

        $this->apiKey = $record->key;

        $smartdokAuthorizeRequest = Http::withHeaders([
            'Content-Type'  => 'application/json',
            'Accept'        => 'application/json'
        ])->post("{$this->serviceUrl}/Authorize/ApiToken", [
            'input' => $this->apiKey
        ]);

        $response = $smartdokAuthorizeRequest->json();

        if (!isset($response['Token'])) {
            throw new HttpResponseException(
                response()->json([
                    'feil' => "Kunne ikke hente Visma SmartDok autorisasjon ved bruk av den lagrede API nøkkelen i mellomvaren"
                ], 403)
            );
        }

        $this->authToken = $response['Token'];
    }

    public function users() {
        $smartdokUsersRequest = Http::withHeaders([
            'Authorization' => "Bearer {$this->authToken}",
            'Accept'        => 'application/json'
        ])->get("{$this->serviceUrl}/Users");

        return $smartdokUsersRequest->json();
    }

    public function user(string $id) {
        $smartdokUsersRequest = Http::withHeaders([
            'Authorization' => "Bearer {$this->authToken}",
            'Accept'        => 'application/json'
        ])->get("{$this->serviceUrl}/Users/{$id}");

        return $smartdokUsersRequest->json();
    }

    public function departments() {
        $smartdokDepartmentsRequest = Http::withHeaders([
            'Authorization' => "Bearer {$this->authToken}",
            'Accept'        => 'application/json'
        ])->get("{$this->serviceUrl}/Departments");

        return $smartdokDepartmentsRequest->json();
    }

    public function department(string $id) {
        $smartdokDepartmentsRequest = Http::withHeaders([
            'Authorization' => "Bearer {$this->authToken}",
            'Accept'        => 'application/json'
        ])->get("{$this->serviceUrl}/Departments/{$id}");

        return $smartdokDepartmentsRequest->json();
    }

    public function projects() {
        $smartdokProjectsRequest = Http::withHeaders([
            'Authorization' => "Bearer {$this->authToken}",
            'Accept'        => 'application/json'
        ])->get("{$this->serviceUrl}/Projects");

        return $smartdokProjectsRequest->json();
    }

    public function project(string $id) {
        $smartdokProjectsRequest = Http::withHeaders([
            'Authorization' => "Bearer {$this->authToken}",
            'Accept'        => 'application/json'
        ])->get("{$this->serviceUrl}/Projects/{$id}");

        return $smartdokProjectsRequest->json();
    }

    public function WorkHours(Request $request) {
        $request->validate([
            'fromDate'  => 'required|date',
            'toDate'    => 'required|date',
            'projectId' => 'nullable|integer',
        ]);

        $from = Carbon::parse($request->query('fromDate'))
            ->startOfDay()
            ->toDateTimeString();   // “2025-05-12 00:00:00”

        $to   = Carbon::parse($request->query('toDate'))
            ->endOfDay()
            ->toDateTimeString();   // “2025-05-12 23:59:59”

        $query = [
            'fromDate' => $from,
            'toDate'   => $to,
        ];

        if (! is_null($request->input('projectId'))) {
            $query['projectId'] = $request->input('projectId');
        }

        $smartdokWorkHourRequest = Http::withHeaders([
            'Authorization' => "Bearer {$this->authToken}",
            'Accept'        => 'application/json'
        ])->get("{$this->serviceUrl}/WorkHours", $query);

        return $smartdokWorkHourRequest->json();

    }
}