<?php

declare(strict_types=1);

namespace App\Filament\Pages\Radio;

use App\Models\RadioContest;
use Filament\Actions\Action;
use Filament\Forms\Components\DateTimePicker;
use Filament\Forms\Components\Select;
use Filament\Forms\Components\Textarea;
use Filament\Forms\Components\TextInput;
use Filament\Forms\Components\Toggle;
use Filament\Forms\Concerns\InteractsWithForms;
use Filament\Forms\Contracts\HasForms;
use Filament\Notifications\Notification;
use Filament\Pages\Page;
use Filament\Schemas\Components\Section;
use Filament\Schemas\Schema;

final class ContestManagement extends Page implements HasForms
{
    use InteractsWithForms;

    #[\Override]
    protected static string|\BackedEnum|null $navigationIcon = 'heroicon-o-trophy';

    #[\Override]
    protected static string|\UnitEnum|null $navigationGroup = 'Radio';

    #[\Override]
    protected static ?string $navigationLabel = null;

    #[\Override]
    public static function getNavigationLabel(): string
    {
        return __('Contests');
    }

    #[\Override]
    protected static ?string $title = 'Competities Beheer';

    #[\Override]
    protected string $view = 'filament.pages.radio.contest-management';

    /** @var array<string, mixed> */
    public array $data = [];

    public function mount(): void
    {
        $this->fillForm();
    }

    protected function fillForm(): void
    {
        $contests = RadioContest::orderBy('created_at', 'desc')->get();

        $this->data['contests'] = $contests->toArray();
        $this->data['active_contest'] = $contests->firstWhere('is_active', true)?->id;
    }

    public function form(Schema $schema): Schema
    {
        return $schema
            ->components([
                Section::make('Nieuwe Competitie Aanmaken')
                    ->description('Maak een nieuwe competitie aan')
                    ->columns(1)
                    ->headerActions([
                        Action::make('create_contest')
                            ->label('Competitie Aanmaken')
                            ->action('createContest')
                            ->color('success'),
                    ])
                    ->schema([
                        TextInput::make('contest.title')
                            ->label('Titel')
                            ->required()
                            ->placeholder('Bijv. Beste Song Suggestie'),
                        Textarea::make('contest.description')
                            ->label('Beschrijving')
                            ->rows(3)
                            ->placeholder('Beschrijf de competitie regels...'),
                        TextInput::make('contest.prize')
                            ->label('Prijs')
                            ->required()
                            ->placeholder('Bijv. VIP voor 1 maand'),
                        TextInput::make('contest.max_winners')
                            ->label('Aantal Winnaars')
                            ->numeric()
                            ->default(1)
                            ->placeholder('1'),
                        DateTimePicker::make('contest.starts_at')
                            ->label('Start Datum/Tijd')
                            ->required()
                            ->default(now()),
                        DateTimePicker::make('contest.ends_at')
                            ->label('Eind Datum/Tijd')
                            ->required()
                            ->default(now()->addDays(14)),
                        Toggle::make('contest.require_approval')
                            ->label('Goedkeuring Vereist')
                            ->default(false),
                    ]),
                Section::make('Actieve Competities')
                    ->description('Beheer lopende competities')
                    ->columns(1)
                    ->schema([
                        Select::make('selected_contest')
                            ->label('Selecteer Competitie')
                            ->options(RadioContest::where('is_active', true)->pluck('title', 'id'))
                            ->placeholder('Kies een competitie...')
                            ->live(),
                    ]),
                Section::make('Acties')
                    ->description('Competitie beheer')
                    ->columns(2)
                    ->schema([
                        Action::make('end_contest')
                            ->label('Competitie Beëindigen')
                            ->action('endContest')
                            ->color('danger')
                            ->requiresConfirmation(),
                        Action::make('declare_winners')
                            ->label('Winnaars Bekend Maken')
                            ->action('declareWinners')
                            ->color('warning')
                            ->requiresConfirmation(),
                    ]),
                Section::make('Afgelopen Competities')
                    ->description('Bekijk resultaten van afgelopen competities')
                    ->columns(1)
                    ->schema([
                        Select::make('ended_contest')
                            ->label('Selecteer Afgelopen Competitie')
                            ->options(RadioContest::where('is_ended', true)->pluck('title', 'id'))
                            ->placeholder('Kies een competitie...'),
                    ]),
            ])
            ->statePath('data');
    }

    public function createContest(): void
    {
        $data = $this->data['contest'] ?? [];

        $contest = RadioContest::create([
            'title' => $data['title'],
            'description' => $data['description'] ?? '',
            'prize' => $data['prize'],
            'max_winners' => $data['max_winners'] ?? 1,
            'starts_at' => $data['starts_at'] ?? now(),
            'ends_at' => $data['ends_at'] ?? now()->addDays(14),
            'is_active' => true,
            'is_ended' => false,
            'winners_announced' => false,
            'require_approval' => $data['require_approval'] ?? false,
        ]);

        $this->fillForm();

        Notification::make()
            ->success()
            ->title('Competitie Aangemaakt')
            ->body("Competitie '{$contest->title}' is succesvol aangemaakt!")
            ->send();
    }

    public function endContest(): void
    {
        $contestId = $this->data['selected_contest'] ?? null;

        if (! $contestId) {
            Notification::make()
                ->warning()
                ->title('Geen Competitie Geselecteerd')
                ->body('Selecteer eerst een competitie.')
                ->send();

            return;
        }

        $contest = RadioContest::find($contestId);

        $contest->update(['is_ended' => true, 'is_active' => false]);

        $this->fillForm();

        Notification::make()
            ->success()
            ->title('Competitie Beëindigd')
            ->body("Competitie '{$contest->title}' is beëindigd.")
            ->send();
    }

    public function declareWinners(): void
    {
        $contestId = $this->data['selected_contest'] ?? null;

        if (! $contestId) {
            Notification::make()
                ->warning()
                ->title('Geen Competitie Geselecteerd')
                ->body('Selecteer eerst een competitie.')
                ->send();

            return;
        }

        $contest = RadioContest::find($contestId);
        $entries = $contest->entries()->with('user')->get();

        if ($entries->isEmpty()) {
            Notification::make()
                ->warning()
                ->title('Geen Inzendingen')
                ->body('Er zijn nog geen inzendingen.')
                ->send();

            return;
        }

        $winners = $entries->random(min($contest->max_winners, $entries->count()));

        foreach ($winners as $winner) {
            $winner->markAsWinner();
        }

        $contest->update(['winners_announced' => true]);

        $this->fillForm();

        Notification::make()
            ->success()
            ->title('Winnaars Bekend!')
            ->body(count($winners) . ' winnaars zijn geselecteerd!')
            ->send();
    }
}