<?php

namespace Paymenter\Extensions\Others\SocialBase\Admin\Resources;

use Filament\Resources\Resource;
use Filament\Forms;
use Filament\Forms\Form;
use Filament\Tables;
use Filament\Tables\Table;
use Illuminate\Database\Eloquent\Builder;
use Paymenter\Extensions\Others\SocialBase\Models\ProfileComment;
use Paymenter\Extensions\Others\SocialBase\Admin\Clusters\ProfilesCluster;
use Illuminate\Support\Facades\Auth;
use Filament\Tables\Actions;
use Filament\Notifications\Notification;

class ProfileCommentResource extends Resource
{
    protected static ?string $model = ProfileComment::class;

    protected static ?string $navigationIcon = 'heroicon-o-chat-bubble-left-right';
    protected static ?string $navigationLabel = 'Profile Comments';
    protected static ?string $cluster = ProfilesCluster::class;
    protected static ?int $navigationSort = 20;

    public static function form(Form $form): Form
    {
        return $form->schema([
            Forms\Components\TextInput::make('commenter_name')
                ->label('Commenter')
                ->afterStateHydrated(function ($component, $state, $record) {
                    if ($record && $record->user) {
                        $component->state($record->user->name . ' (' . $record->user->email . ')');
                    } else {
                        $component->state('Unknown User');
                    }
                })
                ->disabled(),

            Forms\Components\TextInput::make('profile_owner')
                ->label('Profile Owner')
                ->afterStateHydrated(function ($component, $state, $record) {
                    if ($record && $record->profile && $record->profile->user) {
                        $component->state($record->profile->user->name . ' (@' . $record->profile->display_name . ')');
                    } else {
                        $component->state('Unknown Profile');
                    }
                })
                ->disabled(),

            Forms\Components\Textarea::make('content')
                ->label('Comment Content')
                ->rows(4)
                ->required()
                ->maxLength(1000),

            Forms\Components\Toggle::make('approved')
                ->label('Approved')
                ->default(false)
                ->helperText('Whether this comment is visible on the profile'),

            Forms\Components\TextInput::make('parent_comment')
                ->label('Parent Comment')
                ->afterStateHydrated(function ($component, $state, $record) {
                    if ($record && $record->parent_id) {
                        $parent = $record->parent;
                        $component->state($parent ? 'Reply to: ' . substr($parent->content, 0, 50) . '...' : 'Reply (parent deleted)');
                    } else {
                        $component->state('Top-level comment');
                    }
                })
                ->disabled(),

            Forms\Components\Placeholder::make('reactions_count')
                ->label('Total Reactions')
                ->content(function ($record) {
                    return $record ? $record->reactions()->count() : '0';
                }),

            Forms\Components\DateTimePicker::make('created_at')
                ->label('Created At')
                ->disabled(),

            Forms\Components\DateTimePicker::make('updated_at')
                ->label('Last Updated')
                ->disabled(),
        ]);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->columns([
                Tables\Columns\TextColumn::make('id')
                    ->label('ID')
                    ->sortable(),

                Tables\Columns\TextColumn::make('user.name')
                    ->label('Commenter')
                    ->searchable()
                    ->sortable(),

                Tables\Columns\TextColumn::make('profile.user.name')
                    ->label('Profile Owner')
                    ->searchable()
                    ->sortable(),

                Tables\Columns\TextColumn::make('content')
                    ->label('Comment')
                    ->limit(50)
                    ->searchable(),

                Tables\Columns\IconColumn::make('parent_id')
                    ->label('Reply')
                    ->boolean()
                    ->trueIcon('heroicon-o-reply')
                    ->falseIcon('heroicon-o-chat-bubble-left')
                    ->getStateUsing(fn ($record) => $record->parent_id !== null),

                Tables\Columns\BadgeColumn::make('approved')
                    ->label('Status')
                    ->formatStateUsing(fn ($state) => $state ? 'Approved' : 'Pending')
                    ->colors([
                        'success' => true,
                        'warning' => false,
                    ]),

                Tables\Columns\TextColumn::make('reactions_count')
                    ->label('Reactions')
                    ->counts('reactions')
                    ->sortable(),

                Tables\Columns\TextColumn::make('created_at')
                    ->label('Posted')
                    ->dateTime()
                    ->sortable(),
            ])
            ->filters([
                Tables\Filters\TernaryFilter::make('approved')
                    ->label('Approval Status')
                    ->placeholder('All comments')
                    ->trueLabel('Approved only')
                    ->falseLabel('Pending only'),

                Tables\Filters\TernaryFilter::make('parent_id')
                    ->label('Comment Type')
                    ->placeholder('All comments')
                    ->trueLabel('Replies only')
                    ->falseLabel('Top-level only')
                    ->queries(
                        true: fn (Builder $query) => $query->whereNotNull('parent_id'),
                        false: fn (Builder $query) => $query->whereNull('parent_id'),
                    ),

                Tables\Filters\Filter::make('pending')
                    ->query(fn (Builder $query): Builder => $query->where('approved', false))
                    ->label('Pending Approval')
                    ->default(),
            ])
            ->defaultSort('created_at', 'desc')
            ->actions([
                Actions\EditAction::make(),
                Actions\DeleteAction::make()
                    ->successNotificationTitle('Comment deleted')
                    ->before(function ($record) {
                        $record->reactions()->delete();
                        $record->replies()->delete();
                    }),
            ])
            ->bulkActions([
                Tables\Actions\DeleteBulkAction::make()
                    ->successNotificationTitle('Comments deleted')
                    ->before(function ($records) {
                        foreach ($records as $record) {
                            $record->reactions()->delete();
                            $record->replies()->delete();
                        }
                    }),
            ]);
    }

    public static function getPages(): array
    {
        return [
            'index' => \Paymenter\Extensions\Others\SocialBase\Admin\Resources\ProfileCommentResource\Pages\ListProfileComments::route('/'),
            'view' => \Paymenter\Extensions\Others\SocialBase\Admin\Resources\ProfileCommentResource\Pages\ViewProfileComment::route('/{record}'),
            'edit' => \Paymenter\Extensions\Others\SocialBase\Admin\Resources\ProfileCommentResource\Pages\EditProfileComment::route('/{record}/edit'),
        ];
    }

    public static function getEloquentQuery(): Builder
    {
        return parent::getEloquentQuery()
            ->with(['user', 'profile.user', 'parent']);
    }

    public static function getNavigationBadge(): ?string
    {
        $count = static::getModel()::where('approved', false)->count();
        return $count > 0 ? (string) $count : null;
    }

    public static function canViewAny(): bool
    {
        $user = Auth::user();
        return $user && $user->hasPermission('socialbase.comments.view');
    }
}