feat: post variants, transforms, image generation, AI ideas, channel edit page with image style settings

components/ChannelView.js

@@ -1,13 +1,27 @@
 'use client';
 import { useState } from 'react';
 import Link from 'next/link';
-import { ArrowLeft, Sparkles, Wand2, Copy, Check, Loader2, Settings } from 'lucide-react';
+import {
+  ArrowLeft, Sparkles, Wand2, Copy, Check, Loader2, Settings,
+  Image as ImageIcon, RefreshCw, Scissors, Maximize2, Zap, Heart,
+  MessageSquare, Pencil, X, ChevronDown
+} from 'lucide-react';
 
 const GOAL_LABELS = {
   educational: 'Обучение', news: 'Новости',
   entertainment: 'Развлечение', expert: 'Экспертный', sales: 'Продажи',
 };
 
+const TRANSFORMS = [
+  { action: 'shorter',    label: 'Короче',     icon: Scissors,   desc: 'Сократить в 2 раза' },
+  { action: 'longer',     label: 'Длиннее',    icon: Maximize2,  desc: 'Расширить с примерами' },
+  { action: 'improve',    label: 'Улучшить',   icon: Sparkles,   desc: 'Убрать AI-штампы' },
+  { action: 'bolder',     label: 'Дерзче',     icon: Zap,        desc: 'Острее формулировки' },
+  { action: 'softer',     label: 'Мягче',      icon: Heart,      desc: 'Доброжелательней' },
+  { action: 'addCta',     label: 'Призыв',     icon: MessageSquare, desc: 'Добавить CTA' },
+  { action: 'forVk',      label: 'Для ВК',     icon: RefreshCw,  desc: 'Адаптировать под ВКонтакте' },
+];
+
 export default function ChannelView({ channel }) {
   const [topic, setTopic] = useState('');
   const [generating, setGenerating] = useState(false);
@@ -16,42 +30,79 @@ export default function ChannelView({ channel }) {
   const [copied, setCopied] = useState(false);
   const [tokens, setTokens] = useState(null);
 
-  async function generate() {
-    if (!topic.trim()) return;
+  // Варианты постов (история)
+  const [variants, setVariants] = useState([]);
+  const [editing, setEditing] = useState(false);
+
+  // Картинка
+  const [image, setImage] = useState(null);
+  const [genImage, setGenImage] = useState(false);
+
+  // Трансформации
+  const [transforming, setTransforming] = useState(false);
+
+  // Идеи тем
+  const [showIdeas, setShowIdeas] = useState(false);
+  const [ideas, setIdeas] = useState([]);
+  const [loadingIdeas, setLoadingIdeas] = useState(false);
+
+  async function fetchIdeas() {
+    setLoadingIdeas(true);
+    setError('');
+    try {
+      const res = await fetch('/api/generate/topics-ideas', {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ channelId: channel.id, count: 7 }),
+      });
+      const data = await res.json();
+      if (!res.ok) throw new Error(data.error || 'Ошибка');
+      setIdeas(data.topics || []);
+      setShowIdeas(true);
+    } catch (err) {
+      setError(err.message);
+    } finally {
+      setLoadingIdeas(false);
+    }
+  }
+
+  async function generate(asVariant = false) {
+    if (!topic.trim() && !asVariant) return;
+    if (asVariant && !post) return;
     setGenerating(true);
     setError('');
-    setPost(null);
-    setTokens(null);
+
+    const useTopic = asVariant ? `${topic} (вариант ${variants.length + 2})` : topic.trim();
 
     try {
       const createRes = await fetch('/api/generate', {
         method: 'POST',
         headers: { 'Content-Type': 'application/json' },
         body: JSON.stringify({
-          type: 'post',
-          channelId: channel.id,
-          topic: topic.trim(),
-          useCritique: true,
+          type: 'post', channelId: channel.id, topic: useTopic, useCritique: true,
         }),
       });
       const job = await createRes.json();
       if (!createRes.ok) throw new Error(job.error || 'Ошибка');
 
-      // polling
       let final;
       for (let i = 0; i < 60; i++) {
         await new Promise(r => setTimeout(r, 2000));
         const r = await fetch(`/api/generate/${job.jobId}`);
         const j = await r.json();
-        if (j.status === 'done' || j.status === 'failed') {
-          final = j;
-          break;
-        }
+        if (j.status === 'done' || j.status === 'failed') { final = j; break; }
       }
       if (!final) throw new Error('Таймаут — попробуй ещё раз');
       if (final.status === 'failed') throw new Error(final.error || 'Генерация упала');
+
+      // Сохраняем предыдущий вариант в variants
+      if (asVariant && post) {
+        setVariants(v => [...v, { content: post, tokens, image }]);
+      }
+
       setPost(final.result);
       setTokens({ in: final.tokens_in, out: final.tokens_out });
+      setImage(null); // сбрасываем картинку при новом посте
     } catch (err) {
       setError(err.message);
     } finally {
@@ -59,6 +110,61 @@ export default function ChannelView({ channel }) {
     }
   }
 
+  async function transform(action) {
+    if (!post || transforming) return;
+    setTransforming(true);
+    setError('');
+    try {
+      const res = await fetch('/api/generate/transform', {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ channelId: channel.id, originalPost: post, action }),
+      });
+      const data = await res.json();
+      if (!res.ok) throw new Error(data.error || 'Ошибка');
+      // Сохраняем текущий в варианты
+      setVariants(v => [...v, { content: post, tokens, image }]);
+      setPost(data.content);
+      setImage(null);
+    } catch (err) {
+      setError(err.message);
+    } finally {
+      setTransforming(false);
+    }
+  }
+
+  async function generateImage() {
+    if (!post || genImage) return;
+    setGenImage(true);
+    setError('');
+    try {
+      const res = await fetch('/api/generate/post-image', {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ channelId: channel.id, post }),
+      });
+      const data = await res.json();
+      if (!res.ok) throw new Error(data.error || 'Ошибка генерации картинки');
+      setImage(data.url);
+    } catch (err) {
+      setError(err.message);
+    } finally {
+      setGenImage(false);
+    }
+  }
+
+  function restoreVariant(idx) {
+    const v = variants[idx];
+    setVariants(arr => {
+      const next = arr.filter((_, i) => i !== idx);
+      next.push({ content: post, tokens, image });
+      return next;
+    });
+    setPost(v.content);
+    setTokens(v.tokens);
+    setImage(v.image);
+  }
+
   async function copy() {
     await navigator.clipboard.writeText(post);
     setCopied(true);
@@ -90,10 +196,44 @@ export default function ChannelView({ channel }) {
 
       {/* Generator */}
       <div className="card p-5 mb-6">
-        <h2 className="font-semibold mb-3 flex items-center gap-2">
-          <Wand2 className="w-4 h-4 text-accent" />
-          Сгенерировать пост
-        </h2>
+        <div className="flex items-center justify-between mb-3 flex-wrap gap-2">
+          <h2 className="font-semibold flex items-center gap-2">
+            <Wand2 className="w-4 h-4 text-accent" />
+            Сгенерировать пост
+          </h2>
+          <button
+            onClick={fetchIdeas}
+            disabled={loadingIdeas}
+            className="text-xs inline-flex items-center gap-1 text-accent hover:underline disabled:opacity-50"
+          >
+            {loadingIdeas ? <Loader2 className="w-3.5 h-3.5 animate-spin" /> : <Sparkles className="w-3.5 h-3.5" />}
+            Идеи тем
+          </button>
+        </div>
+
+        {/* Список идей */}
+        {showIdeas && ideas.length > 0 && (
+          <div className="mb-3 p-3 rounded-lg bg-accent/5 border border-accent/20">
+            <div className="flex items-center justify-between mb-2">
+              <span className="text-xs font-semibold text-accent uppercase tracking-wide">Идеи для постов</span>
+              <button onClick={() => setShowIdeas(false)} className="text-xs text-gray-500 hover:text-gray-300">
+                <X className="w-3.5 h-3.5" />
+              </button>
+            </div>
+            <div className="space-y-1">
+              {ideas.map((idea, i) => (
+                <button
+                  key={i}
+                  onClick={() => { setTopic(idea); setShowIdeas(false); }}
+                  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"
+                >
+                  → {idea}
+                </button>
+              ))}
+            </div>
+          </div>
+        )}
+
         <textarea
           className="input min-h-[80px] mb-3"
           value={topic}
@@ -105,7 +245,7 @@ export default function ChannelView({ channel }) {
           <div className="text-xs text-gray-500">
             ИИ напишет пост в стиле твоего канала с учётом примеров
           </div>
-          <button onClick={generate} disabled={generating || !topic.trim()} className="btn-primary">
+          <button onClick={() => generate(false)} disabled={generating || !topic.trim()} className="btn-primary">
             {generating ? (
               <><Loader2 className="w-4 h-4 animate-spin" />Генерирую...</>
             ) : (
@@ -122,15 +262,30 @@ export default function ChannelView({ channel }) {
 
       {/* Result */}
       {post && (
-        <div className="card p-5">
-          <div className="flex items-center justify-between mb-3">
-            <h3 className="font-semibold">Результат</h3>
-            <div className="flex items-center gap-3">
+        <div className="card p-5 mb-4">
+          <div className="flex items-center justify-between mb-3 flex-wrap gap-2">
+            <h3 className="font-semibold flex items-center gap-2">
+              Результат
+              {(transforming || genImage) && <Loader2 className="w-4 h-4 animate-spin text-accent" />}
+            </h3>
+            <div className="flex items-center gap-2 flex-wrap">
               {tokens && (
-                <span className="text-xs text-gray-500">
-                  {tokens.in}/{tokens.out} токенов
-                </span>
+                <span className="text-xs text-gray-500">{tokens.in}/{tokens.out} ток.</span>
               )}
+              <button
+                onClick={() => setEditing(v => !v)}
+                className="btn-ghost text-sm py-1"
+              >
+                <Pencil className="w-4 h-4" /> {editing ? 'Готово' : 'Править'}
+              </button>
+              <button
+                onClick={() => generate(true)}
+                disabled={generating}
+                className="btn-ghost text-sm py-1"
+                title="Сгенерировать ещё один вариант"
+              >
+                <RefreshCw className="w-4 h-4" /> Ещё вариант
+              </button>
               <button onClick={copy} className="btn-ghost text-sm py-1">
                 {copied ? (
                   <><Check className="w-4 h-4 text-accent" /> Скопировано</>
@@ -140,8 +295,96 @@ export default function ChannelView({ channel }) {
               </button>
             </div>
           </div>
-          <div className="bg-surface2 border border-border rounded-lg p-4 whitespace-pre-wrap text-sm leading-relaxed">
-            {post}
+
+          {/* Сам пост — редактируемый или нет */}
+          {editing ? (
+            <textarea
+              value={post}
+              onChange={e => setPost(e.target.value)}
+              className="input min-h-[200px] font-mono text-sm leading-relaxed"
+              autoFocus
+            />
+          ) : (
+            <div className="bg-surface2 border border-border rounded-lg p-4 whitespace-pre-wrap text-sm leading-relaxed">
+              {post}
+            </div>
+          )}
+
+          {/* Картинка к посту */}
+          {image && (
+            <div className="mt-4 relative">
+              <img src={image} alt="" className="w-full rounded-lg" />
+              <button
+                onClick={() => setImage(null)}
+                className="absolute top-2 right-2 p-1.5 rounded-lg bg-black/60 hover:bg-black/80 text-white"
+              >
+                <X className="w-4 h-4" />
+              </button>
+            </div>
+          )}
+
+          {/* Кнопка генерации картинки */}
+          {!image && (
+            <div className="mt-4">
+              <button
+                onClick={generateImage}
+                disabled={genImage}
+                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"
+              >
+                {genImage ? (
+                  <><Loader2 className="w-4 h-4 animate-spin" /> Генерирую картинку... (~30 сек)</>
+                ) : (
+                  <><ImageIcon className="w-4 h-4" /> Сгенерировать картинку</>
+                )}
+              </button>
+            </div>
+          )}
+
+          {/* Трансформации */}
+          <div className="mt-5 pt-4 border-t border-border">
+            <div className="text-xs font-semibold text-gray-400 uppercase tracking-wide mb-3">Переработать</div>
+            <div className="flex flex-wrap gap-2">
+              {TRANSFORMS.map(({ action, label, icon: Icon, desc }) => (
+                <button
+                  key={action}
+                  onClick={() => transform(action)}
+                  disabled={transforming || generating}
+                  title={desc}
+                  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"
+                >
+                  <Icon className="w-3.5 h-3.5" />
+                  {label}
+                </button>
+              ))}
+            </div>
+          </div>
+        </div>
+      )}
+
+      {/* История вариантов */}
+      {variants.length > 0 && (
+        <div className="card p-5">
+          <div className="flex items-center justify-between mb-3">
+            <h3 className="font-semibold text-sm">Предыдущие варианты ({variants.length})</h3>
+            <button onClick={() => setVariants([])} className="text-xs text-gray-500 hover:text-red-400">
+              Очистить
+            </button>
+          </div>
+          <div className="space-y-2">
+            {variants.map((v, i) => (
+              <div key={i} className="flex items-start gap-3 p-3 rounded-lg bg-surface2 border border-border">
+                <div className="flex-1 text-xs text-gray-400 line-clamp-3 whitespace-pre-wrap">
+                  {v.content}
+                </div>
+                <button
+                  onClick={() => restoreVariant(i)}
+                  className="text-xs text-accent hover:underline shrink-0"
+                  title="Сделать активным"
+                >
+                  ← вернуть
+                </button>
+              </div>
+            ))}
           </div>
         </div>
       )}