<?php

namespace App\Http\Controllers\Staff;

use App\DAL\Radiologists;
use App\Http\Controllers\HashidControllerBase;
use App\Http\Requests\AssignPhysicianRequest;
use App\Models\Enums\ReportStatus;
use App\Models\Enums\UserRole;
use App\Models\Study;
use App\Models\User;
use App\Services\AuditTrail\Activity;
use Carbon\Carbon;

class StudyAssignmentController extends HashidControllerBase
{
    public function show()
    {
        $this->decodeKeys();
        $study = Study::with('assignedPhysician')->findOrFail($this->key);
        $rads = User::active()->role(UserRole::Radiologist)->get(['id', 'display_name', 'profile_photo_path', 'first_name', 'last_name', 'created_at']);
        $stats = Radiologists::worklist_stats(3, ReportStatus::Finalized->value);
        foreach ($stats as $rad) {
            $found = $rads->where('id', $rad->id)->first();
            if ($found) {
                $found->info['workload'] = $rad->workload;
                $found->info['last_seen'] = ($rad->last_seen ?? Carbon::now()->addHours(-10))->diffForHumans();
            }
        }

        return view('staff.studies.assign-form', compact('study', 'rads'));
    }

    public function remove()
    {
        $this->decodeKeys();
        $study = Study::with('assignedPhysician')->findOrFail($this->key);
        if ($study->assigned_physician_id !== null) {
            $study->update(['assigned_physician_id' => null, 'assigned_at' => null]);
            audit()
                ->did(Activity::Unassign_Physician)
                ->notes("Unassigned: {$study->assignedPhysician?->display_name}")
                ->on($study)
                ->log();
        }

        return redirect()->route('staff.worklist.index')->with('success', 'Removed assignment');
    }

    public function save(AssignPhysicianRequest $request)
    {
        $this->decodeKeys();
        $study = Study::findOrFail($this->key);
        $rad = User::active()->findOrFail($request->input('rad_id'));
        if ($study->assigned_physician_id !== null) {
            audit()
                ->did(Activity::Unassign_Physician)
                ->notes("Unassigned: {$study->assignedPhysician?->display_name}")
                ->on($study)
                ->log();
        }

        $study->update(['assigned_physician_id' => $rad->id, 'assigned_at' => now()]);
        audit()
            ->did(Activity::Assign_Physician)
            ->on($study)
            ->notes("Assigned: {$rad->display_name}")
            ->log();

        return redirect()->route('staff.worklist.index')->with('success', "Assigned study to {$rad->display_name}");
    }
}