394 lines
15 KiB
JavaScript
394 lines
15 KiB
JavaScript
'use client';
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import { useState } from 'react';
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import Link from 'next/link';
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import {
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ArrowLeft, Sparkles, Wand2, Copy, Check, Loader2, Settings,
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Image as ImageIcon, RefreshCw, Scissors, Maximize2, Zap, Heart,
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MessageSquare, Pencil, X, ChevronDown
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} from 'lucide-react';
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const GOAL_LABELS = {
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educational: 'Обучение', news: 'Новости',
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entertainment: 'Развлечение', expert: 'Экспертный', sales: 'Продажи',
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};
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const TRANSFORMS = [
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{ action: 'shorter', label: 'Короче', icon: Scissors, desc: 'Сократить в 2 раза' },
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{ action: 'longer', label: 'Длиннее', icon: Maximize2, desc: 'Расширить с примерами' },
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{ action: 'improve', label: 'Улучшить', icon: Sparkles, desc: 'Убрать AI-штампы' },
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{ action: 'bolder', label: 'Дерзче', icon: Zap, desc: 'Острее формулировки' },
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{ action: 'softer', label: 'Мягче', icon: Heart, desc: 'Доброжелательней' },
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{ action: 'addCta', label: 'Призыв', icon: MessageSquare, desc: 'Добавить CTA' },
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{ action: 'forVk', label: 'Для ВК', icon: RefreshCw, desc: 'Адаптировать под ВКонтакте' },
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];
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export default function ChannelView({ channel }) {
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const [topic, setTopic] = useState('');
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const [generating, setGenerating] = useState(false);
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const [post, setPost] = useState(null);
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const [error, setError] = useState('');
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const [copied, setCopied] = useState(false);
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const [tokens, setTokens] = useState(null);
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// Варианты постов (история)
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const [variants, setVariants] = useState([]);
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const [editing, setEditing] = useState(false);
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// Картинка
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const [image, setImage] = useState(null);
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const [genImage, setGenImage] = useState(false);
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// Трансформации
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const [transforming, setTransforming] = useState(false);
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// Идеи тем
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const [showIdeas, setShowIdeas] = useState(false);
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const [ideas, setIdeas] = useState([]);
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const [loadingIdeas, setLoadingIdeas] = useState(false);
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async function fetchIdeas() {
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setLoadingIdeas(true);
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setError('');
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try {
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const res = await fetch('/api/generate/topics-ideas', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ channelId: channel.id, count: 7 }),
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});
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const data = await res.json();
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if (!res.ok) throw new Error(data.error || 'Ошибка');
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setIdeas(data.topics || []);
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setShowIdeas(true);
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} catch (err) {
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setError(err.message);
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} finally {
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setLoadingIdeas(false);
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}
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}
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async function generate(asVariant = false) {
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if (!topic.trim() && !asVariant) return;
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if (asVariant && !post) return;
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setGenerating(true);
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setError('');
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const useTopic = asVariant ? `${topic} (вариант ${variants.length + 2})` : topic.trim();
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try {
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const createRes = await fetch('/api/generate', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({
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type: 'post', channelId: channel.id, topic: useTopic, useCritique: true,
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}),
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});
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const job = await createRes.json();
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if (!createRes.ok) throw new Error(job.error || 'Ошибка');
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let final;
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for (let i = 0; i < 60; i++) {
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await new Promise(r => setTimeout(r, 2000));
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const r = await fetch(`/api/generate/${job.jobId}`);
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const j = await r.json();
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if (j.status === 'done' || j.status === 'failed') { final = j; break; }
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}
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if (!final) throw new Error('Таймаут — попробуй ещё раз');
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if (final.status === 'failed') throw new Error(final.error || 'Генерация упала');
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// Сохраняем предыдущий вариант в variants
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if (asVariant && post) {
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setVariants(v => [...v, { content: post, tokens, image }]);
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}
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setPost(final.result);
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setTokens({ in: final.tokens_in, out: final.tokens_out });
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setImage(null); // сбрасываем картинку при новом посте
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} catch (err) {
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setError(err.message);
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} finally {
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setGenerating(false);
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}
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}
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async function transform(action) {
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if (!post || transforming) return;
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setTransforming(true);
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setError('');
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try {
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const res = await fetch('/api/generate/transform', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ channelId: channel.id, originalPost: post, action }),
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});
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const data = await res.json();
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if (!res.ok) throw new Error(data.error || 'Ошибка');
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// Сохраняем текущий в варианты
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setVariants(v => [...v, { content: post, tokens, image }]);
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setPost(data.content);
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setImage(null);
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} catch (err) {
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setError(err.message);
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} finally {
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setTransforming(false);
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}
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}
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async function generateImage() {
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if (!post || genImage) return;
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setGenImage(true);
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setError('');
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try {
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const res = await fetch('/api/generate/post-image', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ channelId: channel.id, post }),
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});
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const data = await res.json();
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if (!res.ok) throw new Error(data.error || 'Ошибка генерации картинки');
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setImage(data.url);
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} catch (err) {
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setError(err.message);
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} finally {
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setGenImage(false);
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}
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}
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function restoreVariant(idx) {
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const v = variants[idx];
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setVariants(arr => {
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const next = arr.filter((_, i) => i !== idx);
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next.push({ content: post, tokens, image });
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return next;
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});
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setPost(v.content);
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setTokens(v.tokens);
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setImage(v.image);
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}
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async function copy() {
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await navigator.clipboard.writeText(post);
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setCopied(true);
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setTimeout(() => setCopied(false), 2000);
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}
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return (
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<main className="max-w-4xl mx-auto p-4 sm:p-6">
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<Link href="/" className="btn-ghost mb-4 -ml-2">
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<ArrowLeft className="w-4 h-4" /> К списку каналов
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</Link>
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<div className="flex items-start justify-between mb-6 flex-wrap gap-3">
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<div>
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<div className="flex items-center gap-2 mb-1">
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<Sparkles className="w-5 h-5 text-accent" />
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<h1 className="text-2xl font-bold">{channel.name}</h1>
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<span className="text-xs px-2 py-0.5 rounded-full bg-surface2 text-gray-400">
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{GOAL_LABELS[channel.goal] || channel.goal}
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</span>
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</div>
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{channel.niche && <p className="text-sm text-gray-500 max-w-2xl">{channel.niche}</p>}
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</div>
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<Link href={`/channels/${channel.id}/edit`} className="btn-ghost text-sm">
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<Settings className="w-4 h-4" />
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Настройки
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</Link>
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</div>
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{/* Generator */}
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<div className="card p-5 mb-6">
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<div className="flex items-center justify-between mb-3 flex-wrap gap-2">
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<h2 className="font-semibold flex items-center gap-2">
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<Wand2 className="w-4 h-4 text-accent" />
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Сгенерировать пост
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</h2>
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<button
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onClick={fetchIdeas}
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disabled={loadingIdeas}
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className="text-xs inline-flex items-center gap-1 text-accent hover:underline disabled:opacity-50"
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>
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{loadingIdeas ? <Loader2 className="w-3.5 h-3.5 animate-spin" /> : <Sparkles className="w-3.5 h-3.5" />}
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Идеи тем
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</button>
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</div>
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{/* Список идей */}
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{showIdeas && ideas.length > 0 && (
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<div className="mb-3 p-3 rounded-lg bg-accent/5 border border-accent/20">
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<div className="flex items-center justify-between mb-2">
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<span className="text-xs font-semibold text-accent uppercase tracking-wide">Идеи для постов</span>
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<button onClick={() => setShowIdeas(false)} className="text-xs text-gray-500 hover:text-gray-300">
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<X className="w-3.5 h-3.5" />
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</button>
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</div>
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<div className="space-y-1">
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{ideas.map((idea, i) => (
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<button
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key={i}
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onClick={() => { setTopic(idea); setShowIdeas(false); }}
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className="block w-full text-left text-sm px-2.5 py-1.5 rounded hover:bg-accent/10 text-gray-300 hover:text-white transition-colors"
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>
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→ {idea}
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</button>
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))}
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</div>
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</div>
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)}
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<textarea
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className="input min-h-[80px] mb-3"
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value={topic}
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onChange={e => setTopic(e.target.value)}
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placeholder="Тема поста — конкретный заход, не общая категория. Например: «OpenAI выпустил Memory — что это даёт маркетологу»"
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disabled={generating}
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/>
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<div className="flex items-center justify-between gap-3">
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<div className="text-xs text-gray-500">
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ИИ напишет пост в стиле твоего канала с учётом примеров
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</div>
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<button onClick={() => generate(false)} disabled={generating || !topic.trim()} className="btn-primary">
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{generating ? (
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<><Loader2 className="w-4 h-4 animate-spin" />Генерирую...</>
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) : (
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<><Wand2 className="w-4 h-4" />Сгенерировать</>
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)}
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</button>
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</div>
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{error && (
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<div className="mt-3 text-sm text-red-400 bg-red-500/10 border border-red-500/20 rounded-lg px-3 py-2">
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{error}
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</div>
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)}
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</div>
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{/* Result */}
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{post && (
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<div className="card p-5 mb-4">
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<div className="flex items-center justify-between mb-3 flex-wrap gap-2">
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<h3 className="font-semibold flex items-center gap-2">
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Результат
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{(transforming || genImage) && <Loader2 className="w-4 h-4 animate-spin text-accent" />}
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</h3>
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<div className="flex items-center gap-2 flex-wrap">
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{tokens && (
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<span className="text-xs text-gray-500">{tokens.in}/{tokens.out} ток.</span>
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)}
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<button
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onClick={() => setEditing(v => !v)}
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className="btn-ghost text-sm py-1"
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>
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<Pencil className="w-4 h-4" /> {editing ? 'Готово' : 'Править'}
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</button>
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<button
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onClick={() => generate(true)}
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disabled={generating}
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className="btn-ghost text-sm py-1"
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title="Сгенерировать ещё один вариант"
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>
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<RefreshCw className="w-4 h-4" /> Ещё вариант
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</button>
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<button onClick={copy} className="btn-ghost text-sm py-1">
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{copied ? (
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<><Check className="w-4 h-4 text-accent" /> Скопировано</>
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) : (
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<><Copy className="w-4 h-4" /> Копировать</>
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)}
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</button>
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</div>
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</div>
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{/* Сам пост — редактируемый или нет */}
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{editing ? (
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<textarea
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value={post}
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onChange={e => setPost(e.target.value)}
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className="input min-h-[200px] font-mono text-sm leading-relaxed"
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autoFocus
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/>
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) : (
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<div className="bg-surface2 border border-border rounded-lg p-4 whitespace-pre-wrap text-sm leading-relaxed">
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{post}
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</div>
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)}
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{/* Картинка к посту */}
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{image && (
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<div className="mt-4 relative">
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<img src={image} alt="" className="w-full rounded-lg" />
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<button
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onClick={() => setImage(null)}
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className="absolute top-2 right-2 p-1.5 rounded-lg bg-black/60 hover:bg-black/80 text-white"
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>
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<X className="w-4 h-4" />
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</button>
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</div>
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)}
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{/* Кнопка генерации картинки */}
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{!image && (
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<div className="mt-4">
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<button
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onClick={generateImage}
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disabled={genImage}
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className="w-full inline-flex items-center justify-center gap-2 py-2.5 rounded-lg border border-dashed border-border hover:border-accent hover:bg-accent/5 text-sm text-gray-400 hover:text-accent transition-colors disabled:opacity-50"
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>
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{genImage ? (
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<><Loader2 className="w-4 h-4 animate-spin" /> Генерирую картинку... (~30 сек)</>
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) : (
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<><ImageIcon className="w-4 h-4" /> Сгенерировать картинку</>
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)}
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</button>
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</div>
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)}
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{/* Трансформации */}
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<div className="mt-5 pt-4 border-t border-border">
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<div className="text-xs font-semibold text-gray-400 uppercase tracking-wide mb-3">Переработать</div>
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<div className="flex flex-wrap gap-2">
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{TRANSFORMS.map(({ action, label, icon: Icon, desc }) => (
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<button
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key={action}
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onClick={() => transform(action)}
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disabled={transforming || generating}
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title={desc}
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className="inline-flex items-center gap-1.5 px-3 py-1.5 rounded-lg border border-border bg-surface2 hover:border-accent hover:bg-accent/5 text-sm transition-colors disabled:opacity-50"
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>
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<Icon className="w-3.5 h-3.5" />
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{label}
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</button>
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))}
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</div>
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</div>
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</div>
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)}
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{/* История вариантов */}
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{variants.length > 0 && (
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<div className="card p-5">
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<div className="flex items-center justify-between mb-3">
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<h3 className="font-semibold text-sm">Предыдущие варианты ({variants.length})</h3>
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<button onClick={() => setVariants([])} className="text-xs text-gray-500 hover:text-red-400">
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Очистить
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</button>
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</div>
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<div className="space-y-2">
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{variants.map((v, i) => (
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<div key={i} className="flex items-start gap-3 p-3 rounded-lg bg-surface2 border border-border">
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<div className="flex-1 text-xs text-gray-400 line-clamp-3 whitespace-pre-wrap">
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{v.content}
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</div>
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<button
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onClick={() => restoreVariant(i)}
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className="text-xs text-accent hover:underline shrink-0"
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title="Сделать активным"
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>
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← вернуть
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</button>
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</div>
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))}
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</div>
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</div>
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)}
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</main>
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);
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}
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