<?php

namespace App\Http\Controllers\Admin;

use App\Actions\Schools\SetHeadDirector;
use App\Http\Controllers\Controller;
use App\Mail\NewUserPassword;
use App\Models\AuditLogEntry;
use App\Models\School;
use App\Models\User;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Hash;
use Illuminate\Support\Facades\Mail;
use Illuminate\Support\Str;

use function auditionLog;

class UserController extends Controller
{
    public function index()
    {
        if (! Auth::user()->is_admin) {
            abort(403);
        }
        $users = User::with('school')->orderBy('last_name')->orderBy('first_name')->get();

        return view('admin.users.index', ['users' => $users]);
    }

    public function edit(User $user)
    {
        if (! Auth::user()->is_admin) {
            abort(403);
        }
        $schools = School::orderBy('name')->get();

        return view('admin.users.edit', ['user' => $user, 'schools' => $schools]);
    }

    public function create()
    {
        if (! Auth::user()->is_admin) {
            abort(403);
        }
        $schools = School::orderBy('name')->get();

        return view('admin.users.create', ['schools' => $schools]);
    }

    public function update(Request $request, User $user, SetHeadDirector $headSetter)
    {
        if (! Auth::user()->is_admin) {
            abort(403);
        }
        $oldEmail = $user->email;
        $wasAdmin = $user->is_admin;
        $wasTab = $user->is_tab;
        $validData = $request->validate([
            'first_name' => ['required'],
            'last_name' => ['required'],
            'email' => ['required', 'email'],
            'cell_phone' => ['required'],
            'judging_preference' => ['required'],
            'school_id' => ['nullable', 'exists:schools,id'],
        ]);
        $validData['is_admin'] = $request->get('is_admin') == 'on' ? 1 : 0;
        $validData['is_tab'] = $request->get('is_tab') == 'on' ? 1 : 0;
        $validData['is_head'] = $request->get('is_head') == 'on' ? 1 : 0;
        $user->update([
            'first_name' => $validData['first_name'],
            'last_name' => $validData['last_name'],
            'email' => $validData['email'],
            'cell_phone' => $validData['cell_phone'],
            'judging_preference' => $validData['judging_preference'],
            'school_id' => $validData['school_id'],
            'is_admin' => $validData['is_admin'],
            'is_tab' => $validData['is_tab'],
        ]);
        $user->refresh();
        $logged_school = $user->school_id ? $user->school->name : 'No School';
        $message = 'Updated user #'.$user->id.' - '.$oldEmail
            .'<br>Name: '.$user->full_name()
            .'<br>Email: '.$user->email
            .'<br>Cell Phone: '.$user->cell_phone
            .'<br>Judging Pref: '.$user->judging_preference
            .'<br>School: '.$logged_school;

        AuditLogEntry::create([
            'user' => auth()->user()->email,
            'ip_address' => request()->ip(),
            'message' => $message,
            'affected' => ['users' => [$user->id]],
        ]);
        if ($user->is_admin != $wasAdmin) {
            $messageStart = $user->is_admin ? 'Granted admin privileges to ' : 'Revoked admin privileges from ';
            AuditLogEntry::create([
                'user' => auth()->user()->email,
                'ip_address' => request()->ip(),
                'message' => $messageStart.$user->full_name().' - '.$user->email,
                'affected' => ['users' => [$user->id]],
            ]);
        }
        if ($user->is_tab != $wasTab) {
            $messageStart = $user->is_tab ? 'Granted tabulation privileges to ' : 'Revoked tabulation privileges from ';
            AuditLogEntry::create([
                'user' => auth()->user()->email,
                'ip_address' => request()->ip(),
                'message' => $messageStart.$user->full_name().' - '.$user->email,
                'affected' => ['users' => [$user->id]],
            ]);
        }
        if ($user->hasFlag('head_director') != $validData['is_head'] && ! is_null($user->school_id)) {
            if ($validData['is_head']) {
                $headSetter->setHeadDirector($user);
            } else {
                $user->removeFlag('head_director');
                $logMessage = 'Removed '.$user->full_name().' as head director at '.$user->school->name;
                $logAffected = ['users' => [$user->id], 'schools' => [$user->school_id]];
                auditionLog($logMessage, $logAffected);
            }
        }

        return redirect('/admin/users');
    }

    public function store(Request $request)
    {
        $request->validate([
            'first_name' => ['required'],
            'last_name' => ['required'],
            'email' => ['required', 'email', 'unique:users'],
        ]);

        // Generate a random password
        $randomPassword = Str::random(12);

        $user = User::make([
            'first_name' => request('first_name'),
            'last_name' => request('last_name'),
            'email' => request('email'),
            'cell_phone' => request('cell_phone'),
            'judging_preference' => request('judging_preference'),
            'password' => Hash::make($randomPassword),
        ]);

        if (! is_null(request('school_id'))) {
            $request->validate([
                'school_id' => ['exists:schools,id'],
            ]);
        }
        $user->school_id = request('school_id');
        $user->save();
        $message = 'Created user '.$user->email.' - '.$user->full_name().'<br>Cell Phone: '.$user->cell_phone.'<br>Judging Pref: '.$user->judging_preference;
        AuditLogEntry::create([
            'user' => auth()->user()->email,
            'ip_address' => request()->ip(),
            'message' => $message,
            'affected' => ['users' => [$user->id]],
        ]);
        if ($user->school_id) {
            $message = 'Set user '.$user->full_name().' ('.$user->email.') as a director at '.$user->school->name.'(#'.$user->school->id.')';
            AuditLogEntry::create([
                'user' => auth()->user()->email,
                'ip_address' => request()->ip(),
                'message' => $message,
                'affected' => [
                    'users' => [$user->id],
                    'schools' => [$user->id],
                ],
            ]);
        }
        Mail::to($user->email)->send(new NewUserPassword($user, $randomPassword));

        return redirect('/admin/users');
    }

    public function destroy(User $user)
    {
        if (! Auth::user()->is_admin) {
            abort(403);
        }
        $message = 'Deleted user '.$user->email;
        AuditLogEntry::create([
            'user' => auth()->user()->email,
            'ip_address' => request()->ip(),
            'message' => $message,
            'affected' => ['users' => [$user->id]],
        ]);
        $user->delete();

        return redirect()->route('admin.users.index')->with('success', 'User deleted successfully');
    }
}