<?php

declare(strict_types=1);

namespace App\Http\Controllers\Api\V1;

use App\Exceptions\TimeEntryStillRunning;
use App\Http\Requests\V1\TimeEntry\TimeEntryIndexRequest;
use App\Http\Requests\V1\TimeEntry\TimeEntryStoreRequest;
use App\Http\Requests\V1\TimeEntry\TimeEntryUpdateRequest;
use App\Http\Resources\V1\TimeEntry\TimeEntryCollection;
use App\Http\Resources\V1\TimeEntry\TimeEntryResource;
use App\Models\Organization;
use App\Models\TimeEntry;
use Illuminate\Auth\Access\AuthorizationException;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Resources\Json\JsonResource;
use Illuminate\Support\Facades\Auth;

class TimeEntryController extends Controller
{
    protected function checkPermission(Organization $organization, string $permission, ?TimeEntry $timeEntry = null): void
    {
        parent::checkPermission($organization, $permission);
        if ($timeEntry !== null && $timeEntry->organization_id !== $organization->getKey()) {
            throw new AuthorizationException('Time entry does not belong to organization');
        }
    }

    /**
     * Get time entries
     *
     * @throws AuthorizationException
     */
    public function index(Organization $organization, TimeEntryIndexRequest $request): JsonResource
    {
        if ($request->has('user_id') && $request->get('user_id') === Auth::id()) {
            $this->checkPermission($organization, 'time-entries:view:own');
        } else {
            $this->checkPermission($organization, 'time-entries:view:all');
        }

        $timeEntriesQuery = TimeEntry::query()
            ->whereBelongsTo($organization, 'organization');

        if ($request->has('before')) {

        }

        if ($request->has('after')) {

        }

        if ($request->has('user_id')) {
            $timeEntriesQuery->where('user_id', $request->input('user_id'));
        }

        $timeEntries = $timeEntriesQuery->get();

        return new TimeEntryCollection($timeEntries);
    }

    /**
     * Create time entry
     *
     * @throws AuthorizationException|TimeEntryStillRunning
     */
    public function store(Organization $organization, TimeEntryStoreRequest $request): JsonResource
    {
        if ($request->get('user_id') === Auth::id()) {
            $this->checkPermission($organization, 'time-entries:create:own');
        } else {
            $this->checkPermission($organization, 'time-entries:create:all');
        }

        if ($request->get('end') === null && TimeEntry::where('user_id', $request->get('user_id'))->where('end', null)->exists()) {
            // TODO: documentation
            throw new TimeEntryStillRunning('User already has an active time entry');
        }

        $timeEntry = new TimeEntry();
        $timeEntry->fill($request->validated());
        $timeEntry->organization()->associate($organization);
        $timeEntry->save();

        return new TimeEntryResource($timeEntry);
    }

    /**
     * Update time entry
     *
     * @throws AuthorizationException
     */
    public function update(Organization $organization, TimeEntry $timeEntry, TimeEntryUpdateRequest $request): JsonResource
    {
        if ($timeEntry->user_id === Auth::id() && $request->get('user_id') === Auth::id()) {
            $this->checkPermission($organization, 'time-entries:update:own', $timeEntry);
        } else {
            $this->checkPermission($organization, 'time-entries:update:all', $timeEntry);
        }

        $timeEntry->fill($request->validated());
        $timeEntry->save();

        return new TimeEntryResource($timeEntry);
    }

    /**
     * Delete time entry
     *
     * @throws AuthorizationException
     */
    public function destroy(Organization $organization, TimeEntry $timeEntry): JsonResponse
    {
        if ($timeEntry->user_id === Auth::id()) {
            $this->checkPermission($organization, 'time-entries:delete:own', $timeEntry);
        } else {
            $this->checkPermission($organization, 'time-entries:delete:all', $timeEntry);
        }

        $timeEntry->delete();

        return response()
            ->json(null, 204);
    }
}