<?php

namespace Plugins\Neatstudio\AiModeration\Filament\Pages;

use App\Models\Post;
use App\Models\Setting;
use Filament\Actions\Action;
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\Notifications\Notification;
use Filament\Pages\Page;
use Filament\Schemas\Schema;
use Plugins\Neatstudio\AiModeration\Jobs\AiPolishContentJob;

class AiSettings extends Page
{
    use InteractsWithForms;

    protected static \UnitEnum|string|null $navigationGroup = '管理';

    protected static string|\BackedEnum|null $navigationIcon = 'heroicon-o-sparkles';

    protected static ?string $navigationLabel = 'AI 设置';

    protected string $view = 'plugin.ai-moderation::ai-settings';

    public array $data = [];

    public ?string $polishPost = null;

    public ?string $polishResult = null;

    public function mount(): void
    {
        $this->form->fill([
            'llm_base_url' => Setting::get('llm_base_url', env('LLM_BASE_URL')),
            'llm_api_key' => Setting::get('llm_api_key', env('LLM_API_KEY')),
            'llm_model' => Setting::get('llm_model', env('LLM_MODEL', 'gpt-4o-mini')),
            'ai_moderation_enabled' => (int) Setting::get('ai_moderation_enabled', 1) === 1,
            'ai_moderation_system_prompt' => Setting::get('ai_moderation_system_prompt', '你是博客评论审核员。判断评论是否包含：广告/垃圾、人身攻击、违法内容、无关灌水。只回复 JSON：{"verdict":"approved|rejected|spam","reason":"简短理由"}'),
        ]);
    }

    public function form(Schema $schema): Schema
    {
        return $schema
            ->components([
                \Filament\Schemas\Components\Section::make('LLM 配置')
                    ->description('OpenAI 兼容接口：OpenAI / DeepSeek / 通义 / 自建代理')
                    ->schema([
                        TextInput::make('llm_base_url')->label('Base URL')->placeholder('https://api.openai.com/v1')->required(),
                        TextInput::make('llm_api_key')->label('API Key')->password()->required(),
                        TextInput::make('llm_model')->label('模型')->default('gpt-4o-mini')->required(),
                    ]),
                \Filament\Schemas\Components\Section::make('评论审核')
                    ->schema([
                        Toggle::make('ai_moderation_enabled')->label('新评论启用 AI 自动审核'),
                        Textarea::make('ai_moderation_system_prompt')->label('审核提示词')->rows(4)->columnSpanFull(),
                    ]),
            ])
            ->statePath('data');
    }

    public function save(): void
    {
        $data = $this->form->getState();

        foreach ($data as $key => $value) {
            Setting::set($key, is_bool($value) ? (string) (int) $value : (string) $value);
        }

        Notification::make()->title('AI 设置已保存')->success()->send();
    }

    public function polish(Post $post): void
    {
        $this->polishPost = (string) $post->id;

        if ($post->meta['ai_polished'] ?? null) {
            $this->polishResult = $post->meta['ai_polished'];

            return;
        }

        dispatch(new AiPolishContentJob($post->id))->onQueue('ai');
        Notification::make()->title('润色任务已提交（由 Workerman 异步执行）')->info()->send();
    }

    public function acceptPolish(Post $post): void
    {
        $polished = $post->meta['ai_polished'] ?? null;

        if (! $polished) {
            Notification::make()->title('没有可采纳的润色结果')->warning()->send();

            return;
        }

        $post->update([
            'content' => $polished,
            'content_format' => 'markdown',
            'meta' => array_merge($post->meta ?? [], ['ai_polished' => null]),
        ]);

        Notification::make()->title('已采纳润色结果')->success()->send();
        $this->polishResult = null;
    }

    public function getPendingPolishesProperty(): \Illuminate\Support\Collection
    {
        return Post::query()
            ->where('meta->ai_polished', '!=', null)
            ->latest()
            ->limit(10)
            ->get(['id', 'title']);
    }

    protected function getFormActions(): array
    {
        return [
            Action::make('save')
                ->label('保存')
                ->submit('save'),
        ];
    }
}