#!/usr/bin/env python3
"""Render Everyday Red Flags 017: app contacts permission red flag.

Visual policy: high-quality AI keyframes + text-only active-word subtitles.
No renderer arrows, boxes, circles, progress bars, labels, or caption boxes beyond subtitles.
"""
from __future__ import annotations
import datetime, hashlib, json, math, re, shutil, subprocess, tempfile, time
from pathlib import Path
from typing import Any

import requests
from PIL import Image, ImageDraw, ImageFont, ImageFilter

ROOT = Path(__file__).resolve().parents[1]
OUT_DIR = ROOT / "data" / "post_candidates" / "everyday-red-flags-app-contacts-permission"
VERSION = "chatterbox_gianna_clone_premium_v1_readable_silent_2line_clean_ai"
VERSION_DIR = OUT_DIR / VERSION
ASSET_DIR = VERSION_DIR / "scene_keyframes"
AUDIO = VERSION_DIR / "erf-017_voiceover_chatterbox_gianna_clone_premium_v1.wav"
WORDS_JSON = VERSION_DIR / "erf-017_voiceover_chatterbox_gianna_clone_premium_v1.faster_whisper_words.json"
VIDEO_NO_AUDIO = VERSION_DIR / "video_no_audio_forced_words_2line.mp4"
FINAL = VERSION_DIR / "erf-017_app_contacts_permission_chatterbox_gianna_clone_premium_v1_1080x1920_review.mp4"
CONTACT = VERSION_DIR / "contact_sheet_keyframes.png"
PACKAGE_DIR = VERSION_DIR / "youtube_private_upload_package"
PACKAGE = PACKAGE_DIR / "unused.json"  # overwritten below
MEDIA_CACHE = Path.home() / ".hermes" / "media_cache" / "autoshorts"
WIDTH, HEIGHT, FPS = 1080, 1920, 30
CANDIDATE_ID = "erf-017-app-contacts-permission"
QA_SECONDS = (1, 7, 14, 21, 28, 33)
AI_SCENE_SOURCES = [
    "/home/agent/.hermes/cache/images/openai_codex_gpt-image-2-high_20260603_203225_f41b3b14.png",
    "/home/agent/.hermes/cache/images/openai_codex_gpt-image-2-high_20260603_202955_fa4d46fa.png",
    "/home/agent/.hermes/cache/images/openai_codex_gpt-image-2-high_20260603_203102_e244a4e5.png",
    "/home/agent/.hermes/cache/images/openai_codex_gpt-image-2-high_20260603_203331_a899f005.png",
    "/home/agent/.hermes/cache/images/openai_codex_gpt-image-2-high_20260603_203429_7b4c727f.png",
    "/home/agent/.hermes/cache/images/openai_codex_gpt-image-2-high_20260603_203531_02b26950.png",
]
TITLE = "This App Permission Is a Red Flag"
DESCRIPTION = "A simple app asking for your contacts is not normal. Your address book can expose family, friends, clients, and recovery clues.\n\nThe red flag is the mismatch: the app wants data it does not need.\n\nTap Don’t Allow. If you already allowed it, open Settings and turn Contacts off for that app.\n\nRule: if the permission does not match the job, deny it.\n\n#PrivacyTips #OnlineSafety #AppPermissions #ScamAlert #EverydayRedFlags"
SCRIPT = (
    "This simple app wants your contacts — that is the red flag. "
    "A flashlight, coupon, or game does not need your address book. "
    "Your contacts can reveal family, clients, doctors, and recovery clues. "
    "So do not judge the app by how harmless it looks. "
    "Judge the permission. "
    "If the request does not match the job, tap Don't Allow. "
    "If you already said yes, open Settings and turn Contacts off for that app. "
    "The app should still work without your address book. "
    "Rule: useful apps ask for what they need. Suspicious apps ask for what they can take. "
    "Send this before someone taps Allow."
)
VOICE_CHUNKS = [
    "This simple app wants your contacts — that is the red flag.",
    "A flashlight, coupon, or game does not need your address book.",
    "Your contacts can reveal family, clients, doctors, and recovery clues.",
    "So do not judge the app by how harmless it looks. Judge the permission.",
    "If the request does not match the job, tap Don't Allow.",
    "If you already said yes, open Settings and turn Contacts off for that app.",
    "The app should still work without your address book.",
    "Rule: useful apps ask for what they need. Suspicious apps ask for what they can take.",
    "Send this before someone taps Allow.",
]
SCENE_DURATIONS = [5.5, 6.0, 6.0, 6.0, 5.8, 5.7]


def font(size:int,bold:bool=False):
    candidates=[
        "/usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf" if bold else "/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf",
        "/usr/share/fonts/truetype/liberation2/LiberationSans-Bold.ttf" if bold else "/usr/share/fonts/truetype/liberation2/LiberationSans-Regular.ttf",
    ]
    for c in candidates:
        if Path(c).exists(): return ImageFont.truetype(c,size=size)
    return ImageFont.load_default()

F12=font(28); F14=font(34); F16=font(38); F18=font(44); F20=font(52); F24=font(62,True); F30=font(76,True)


def sha256(path:Path)->str:
    h=hashlib.sha256()
    with path.open('rb') as f:
        for chunk in iter(lambda:f.read(1024*1024), b''): h.update(chunk)
    return h.hexdigest()


def ffprobe_duration(path:Path)->float:
    return float(subprocess.check_output(['ffprobe','-v','error','-show_entries','format=duration','-of','default=nw=1:nk=1',str(path)],text=True).strip())


def draw_round(draw, xy, r, fill, outline=None, width=1):
    draw.rounded_rectangle(xy, radius=r, fill=fill, outline=outline, width=width)


def center(draw, y, text, fnt, fill=(245,247,255)):
    b=draw.textbbox((0,0),text,font=fnt); x=(WIDTH-(b[2]-b[0]))//2
    draw.text((x,y),text,font=fnt,fill=fill)


def wrap(draw, text, fnt, max_w):
    words=text.split(); lines=[]; cur=[]
    for w in words:
        test=' '.join(cur+[w]); b=draw.textbbox((0,0),test,font=fnt)
        if cur and b[2]-b[0] > max_w:
            lines.append(' '.join(cur)); cur=[w]
        else: cur.append(w)
    if cur: lines.append(' '.join(cur))
    return lines


def background(accent=(30,70,120)):
    img=Image.new('RGB',(WIDTH,HEIGHT),(9,12,22))
    px=img.load()
    for y in range(HEIGHT):
        for x in range(WIDTH):
            # soft vertical/radial premium gradient
            dx=(x-WIDTH*0.72)/WIDTH; dy=(y-HEIGHT*0.20)/HEIGHT
            glow=max(0,1-(dx*dx+dy*dy)*4.2)
            base=10+int(16*(1-y/HEIGHT))
            px[x,y]=(base+int(accent[0]*0.10*glow), base+int(accent[1]*0.12*glow), 24+int(accent[2]*0.18*glow))
    return img.filter(ImageFilter.GaussianBlur(0.15))


def draw_phone_email(draw, x=96, y=186, w=888, h=1180, changed=False, confirm=False):
    draw_round(draw,(x,y,x+w,y+h),58,(18,22,34),(60,70,96),2)
    draw_round(draw,(x+30,y+60,x+w-30,y+h-54),34,(238,242,248))
    draw.text((x+70,y+95),'Mail',font=F20,fill=(25,31,45))
    draw.text((x+w-230,y+104),'Today 09:18',font=F12,fill=(95,104,122))
    draw.line((x+55,y+170,x+w-55,y+170),fill=(210,216,226),width=2)
    draw.text((x+70,y+210),'From: billing@northgate-supply.example',font=F14,fill=(42,52,70))
    draw.text((x+70,y+270),'Subject: Invoice 4821 - payment details',font=F14,fill=(42,52,70))
    draw_round(draw,(x+70,y+350,x+w-70,y+970),28,(255,255,255),(220,226,236),2)
    draw.text((x+110,y+400),'Invoice 4821',font=F24,fill=(25,35,55))
    draw.text((x+110,y+480),'Amount due: 1,240.00',font=F18,fill=(35,44,64))
    draw.text((x+110,y+555),'Due date: Friday',font=F18,fill=(35,44,64))
    if changed:
        draw_round(draw,(x+110,y+650,x+w-110,y+790),18,(255,246,222),(230,185,80),2)
        draw.text((x+140,y+675),'Please use our NEW bank account',font=F16,fill=(96,58,8))
        draw.text((x+140,y+732),'for this payment.',font=F16,fill=(96,58,8))
    else:
        draw.text((x+110,y+660),'Bank details: as usual',font=F16,fill=(70,82,106))
    if confirm:
        draw_round(draw,(x+110,y+830,x+w-110,y+930),18,(226,246,235),(77,159,104),2)
        draw.text((x+140,y+858),'Second channel confirmed',font=F16,fill=(23,100,58))
    draw.text((x+70,y+1015),'Reply  •  Forward  •  Archive',font=F14,fill=(96,106,126))


def draw_contact_card(draw, x=120, y=420, w=840, h=620):
    draw_round(draw,(x,y,x+w,y+h),36,(235,241,248),(75,100,145),2)
    draw.text((x+55,y+55),'Trusted contact',font=F24,fill=(22,34,55))
    draw.text((x+55,y+150),'Northgate Supply Ltd.',font=F20,fill=(35,48,70))
    draw.text((x+55,y+240),'Saved phone: +44 20 5550 0184',font=F16,fill=(54,70,96))
    draw.text((x+55,y+320),'Saved email: accounts@northgate.example',font=F14,fill=(54,70,96))
    draw_round(draw,(x+55,y+430,x+w-55,y+535),28,(33,132,85))
    line1='Confirm bank change here'
    line2='not in the email'
    for j,line in enumerate((line1,line2)):
        b=draw.textbbox((0,0),line,font=F14)
        draw.text((x+(w-(b[2]-b[0]))//2,y+448+j*42),line,font=F14,fill=(255,255,255))


def make_scene(idx:int, path:Path):
    img=background([(40,84,160),(100,64,170),(22,112,100),(128,74,34),(50,102,160),(54,130,92)][idx-1])
    draw=ImageDraw.Draw(img)
    if idx==1:
        center(draw,78,'EVERYDAY RED FLAGS',F18,(196,211,255))
        draw_phone_email(draw, changed=True)
        center(draw,1460,'A NORMAL INVOICE EMAIL',F24)
        center(draw,1536,'WITH ONE QUIET CHANGE',F30,(255,218,89))
    elif idx==2:
        center(draw,92,'THE RED FLAG',F30,(255,218,89))
        draw_phone_email(draw, changed=True)
        # red flag is inside the mockup itself; no external arrow/box.
    elif idx==3:
        center(draw,92,'WHY IT WORKS',F30,(255,218,89))
        draw_round(draw,(125,360,955,1130),42,(238,242,248),(72,84,120),2)
        draw.text((190,435),'Real invoice',font=F24,fill=(26,36,58))
        draw.text((190,540),'Real amount',font=F24,fill=(26,36,58))
        draw.text((190,645),'Real deadline',font=F24,fill=(26,36,58))
        draw.text((190,790),'Fake bank account',font=F30,fill=(150,60,28))
        for yy in (505,610,715): draw.line((190,yy,890,yy),fill=(205,214,230),width=2)
        center(draw,1240,'THE EMAIL FEELS ROUTINE',F24)
        center(draw,1316,'SO THE CHANGE GETS MISSED',F24,(255,218,89))
    elif idx==4:
        center(draw,92,'SAFER MOVE',F30,(255,218,89))
        draw_contact_card(draw)
        center(draw,1165,'USE A TRUSTED CONTACT',F24)
        center(draw,1242,'NOT THE MESSAGE',F24,(255,218,89))
    elif idx==5:
        center(draw,92,'SECOND CHANNEL CHECK',F30,(255,218,89))
        draw_phone_email(draw, changed=True, confirm=True)
        center(draw,1460,'CALL. CONFIRM.',F30,(255,218,89))
        center(draw,1545,'THEN PAY.',F30,(255,218,89))
    else:
        center(draw,100,'THE RULE',F30,(255,218,89))
        draw_round(draw,(110,430,970,1110),48,(238,242,248),(94,113,150),2)
        for i,line in enumerate(['NEW BANK DETAILS','NEED A','SECOND CHECK']):
            b=draw.textbbox((0,0),line,font=F30); draw.text(((WIDTH-(b[2]-b[0]))//2,555+i*150),line,font=F30,fill=(25,36,60) if i!=1 else (150,60,28))
        center(draw,1265,'SEND THIS TO SOMEONE',F24)
        center(draw,1340,'WHO PAYS INVOICES',F24,(255,218,89))
    # lower area remains clean/dark-ish behind subtitles
    path.parent.mkdir(parents=True, exist_ok=True)
    img.save(path,quality=95)


def create_scene_images()->list[Path]:
    ASSET_DIR.mkdir(parents=True, exist_ok=True)
    paths=[]
    for i,src in enumerate(AI_SCENE_SOURCES,1):
        source=Path(src)
        if not source.exists():
            raise FileNotFoundError(source)
        p=ASSET_DIR/f'erf017_ai_scene_{i:02d}.jpg'
        im=Image.open(source).convert('RGB')
        scale=max(WIDTH/im.width, HEIGHT/im.height)
        nw,nh=math.ceil(im.width*scale), math.ceil(im.height*scale)
        im=im.resize((nw,nh),Image.Resampling.LANCZOS)
        im=im.crop(((nw-WIDTH)//2,(nh-HEIGHT)//2,(nw+WIDTH)//2,(nh+HEIGHT)//2))
        im.save(p,quality=95)
        paths.append(p)
    sheet=Image.new('RGB',(810,960),(16,16,16))
    for i,p in enumerate(paths):
        im=Image.open(p).convert('RGB').resize((270,480),Image.Resampling.LANCZOS)
        sheet.paste(im,((i%3)*270,(i//3)*480))
    sheet.save(CONTACT,quality=94)
    return paths


def synthesize_voiceover():
    """Synthesize Chatterbox Taylor voiceover in sentence chunks."""
    VERSION_DIR.mkdir(parents=True, exist_ok=True)
    if AUDIO.exists(): return
    sentences=VOICE_CHUNKS
    chunk_dir=VERSION_DIR/'tts_chunks'; chunk_dir.mkdir(parents=True, exist_ok=True)
    pause=VERSION_DIR/'pause_500ms.wav'
    if not pause.exists():
        subprocess.check_call(['ffmpeg','-y','-hide_banner','-loglevel','error','-f','lavfi','-i','anullsrc=r=24000:cl=mono','-t','0.50',str(pause)])
    chunk_paths=[]; chunk_meta=[]
    for idx,sentence in enumerate(sentences,1):
        cp=chunk_dir/f'chunk_{idx:02d}.wav'
        if not cp.exists():
            payload={'text':sentence,'voice_mode':'clone','reference_audio_filename':'Gianna.wav','output_format':'wav','temperature':0.80,'exaggeration':0.52,'cfg_weight':0.50,'seed':17570+idx,'speed_factor':1.0,'language':'en','split_text':False,'chunk_size':240,'stream':False}
            t=time.time(); r=requests.post('http://100.101.173.25:8004/tts',json=payload,timeout=180); elapsed=round(time.time()-t,3)
            if r.ok and r.headers.get('content-type','').startswith('audio/'):
                cp.write_bytes(r.content)
            if not r.ok or not cp.exists():
                raise RuntimeError({'sentence':sentence,'http_status':r.status_code,'content_type':r.headers.get('content-type'),'body':r.text[:500]})
            chunk_meta.append({'sentence':sentence,'path':str(cp),'duration':ffprobe_duration(cp),'elapsed_sec':elapsed,'sha256':sha256(cp)})
        else:
            chunk_meta.append({'sentence':sentence,'path':str(cp),'duration':ffprobe_duration(cp),'sha256':sha256(cp)})
        chunk_paths.append(cp)
    concat=VERSION_DIR/'tts_concat.txt'; lines=[]
    for i,p in enumerate(chunk_paths):
        lines.append(f"file '{p.as_posix()}'")
        if i != len(chunk_paths)-1: lines.append(f"file '{pause.as_posix()}'")
    concat.write_text('\n'.join(lines)+'\n')
    subprocess.check_call(['ffmpeg','-y','-hide_banner','-loglevel','error','-f','concat','-safe','0','-i',str(concat),'-c','copy',str(AUDIO)])
    meta={'provider':'chatterbox_http_clone_semantic_chunks','base_url':'http://100.101.173.25:8004','voice_mode':'clone','reference_audio_filename':'Gianna.wav','preset':'Gianna premium female reference clone warm narrator v1','script_sha256':hashlib.sha256(SCRIPT.encode()).hexdigest(),'sentence_count':len(sentences),'inter_sentence_pause_ms':500,'temperature':0.80,'exaggeration':0.52,'cfg_weight':0.50,'chunks':chunk_meta,'success':True,'output_path':str(AUDIO),'duration':ffprobe_duration(AUDIO),'output_sha256':sha256(AUDIO),'created_at':datetime.datetime.now(datetime.timezone.utc).isoformat()}
    (VERSION_DIR/'erf-017_voiceover_chatterbox_gianna_clone_premium_v1.metadata.json').write_text(json.dumps(meta,indent=2),encoding='utf-8')


def force_align_words()->list[dict[str,Any]]:
    if WORDS_JSON.exists():
        data=json.loads(WORDS_JSON.read_text()); return [{'word':w['word'],'start':float(w['start']),'duration':max(0.05,float(w.get('duration',float(w['end'])-float(w['start']))))} for w in data['words']]
    from faster_whisper import WhisperModel
    t=time.time(); model=WhisperModel('base.en', device='cpu', compute_type='int8')
    segments, info=model.transcribe(str(AUDIO), language='en', word_timestamps=True, vad_filter=False, beam_size=5)
    words=[]; segs=[]
    for s in segments:
        seg={'start':s.start,'end':s.end,'text':s.text,'words':[]}
        if s.words:
            for w in s.words:
                if not w.word.strip(): continue
                item={'word':w.word.strip(),'start':float(w.start),'end':float(w.end),'duration':max(0.05,float(w.end-w.start))}
                words.append(item); seg['words'].append(item)
        segs.append(seg)
    WORDS_JSON.write_text(json.dumps({'model':'base.en','language':info.language,'duration':info.duration,'elapsed':round(time.time()-t,3),'word_count':len(words),'segments':segs,'words':words},indent=2),encoding='utf-8')
    return [{'word':w['word'],'start':float(w['start']),'duration':float(w['duration'])} for w in words]


def build_segments(words:list[dict[str,Any]])->list[list[dict[str,Any]]]:
    sentences=[s.strip() for s in re.findall(r'[^.!?]+[.!?]', SCRIPT) if s.strip()]
    def token_count(s): return len(s.replace('—',' ').replace('-',' ').split())
    def balanced(n):
        if n<=12: return [n]
        if n<=15: return [(n+1)//2, n-(n+1)//2]
        parts=[]; rem=n
        while rem>0:
            if rem<=12: parts.append(rem); break
            take=7
            if rem-take<3: take=max(3,rem-3)
            parts.append(take); rem-=take
        return parts
    segments=[]; cursor=0
    for s in sentences:
        sw=words[cursor:cursor+token_count(s)]; cursor+=token_count(s); local=0
        for size in balanced(len(sw)):
            seg=sw[local:local+size]
            if seg: segments.append(seg)
            local+=size
    if cursor < len(words):
        tail=words[cursor:]
        if segments and len(tail)<3 and len(segments[-1])+len(tail)<=8: segments[-1].extend(tail)
        else: segments.append(tail)
    return [s for s in segments if s]


def text_size(draw,text,fnt):
    b=draw.textbbox((0,0),text,font=fnt); return int(b[2]-b[0]), int(b[3]-b[1])


def segment_for_time(t, segments):
    for idx,seg in enumerate(segments):
        start=float(seg[0]['start']); next_start=float(segments[idx+1][0]['start']) if idx+1<len(segments) else float(seg[-1]['start'])+float(seg[-1]['duration'])+0.9
        end=max(float(seg[-1]['start'])+float(seg[-1]['duration'])+0.35,next_start-0.05)
        if start<=t<=end: return seg
    return []


def active_word_index(t, seg):
    for i,w in enumerate(seg):
        if float(w['start']) <= t <= float(w['start'])+float(w['duration'])+0.07: return i
    return max(0,min(len(seg)-1,sum(1 for w in seg if float(w['start'])<=t)-1))


def draw_subtitles(img, seg, active):
    if not seg: return img
    draw=ImageDraw.Draw(img); words=[str(w['word']).strip().upper() for w in seg if str(w['word']).strip()]
    if not words: return img
    max_total=WIDTH-150; gap=26
    active=max(0,min(active,len(words)-1))
    def wrap_lines(words,fnt,max_lines=3):
        lines=[]; cur=[]
        for word in words:
            test=cur+[word]; widths=[text_size(draw,w,fnt)[0] for w in test]
            if cur and sum(widths)+gap*(len(test)-1)>max_total:
                lines.append(cur); cur=[word]
            else: cur=test
        if cur: lines.append(cur)
        if len(lines)>1 and len(lines[-1])==1 and len(lines[-2])>2: lines[-1].insert(0,lines[-2].pop())
        return lines if len(lines)<=max_lines else None
    chosen=None; fnt=font(34,True)
    for size in range(58,28,-2):
        cand=font(size,True); lines=wrap_lines(words,cand)
        if lines and all(sum(text_size(draw,w,cand)[0] for w in line)+gap*(len(line)-1)<=max_total for line in lines):
            chosen=lines; fnt=cand; break
    if chosen is None:
        fnt=font(28,True); a=math.ceil(len(words)/3); chosen=[words[:a],words[a:2*a],words[2*a:]]
    y0={1:1518,2:1458,3:1402}.get(len(chosen),1402); line_h={1:74,2:72,3:66}.get(len(chosen),66)
    gi=0
    for li,line in enumerate(chosen):
        widths=[text_size(draw,w,fnt)[0] for w in line]; total=sum(widths)+gap*(len(line)-1); x=max(42,(WIDTH-total)//2); y=y0+li*line_h
        for word,ww in zip(line,widths):
            fill=(255,214,64) if gi==active else (255,255,255)
            draw.text((x,y),word,font=fnt,fill=fill,stroke_width=5,stroke_fill=(0,0,0))
            x+=ww+gap; gi+=1
    return img


def render_video(words,audio_duration, scene_paths):
    total=sum(SCENE_DURATIONS); target=audio_duration+0.45
    durs=[d/total*target for d in SCENE_DURATIONS]
    scenes=[]; cur=0.0
    for d,p in zip(durs,scene_paths): scenes.append((cur,cur+d,p)); cur+=d
    images=[]
    for p in scene_paths:
        im=Image.open(p).convert('RGB')
        scale=max(WIDTH/im.width, HEIGHT/im.height); nw,nh=math.ceil(im.width*scale), math.ceil(im.height*scale)
        im=im.resize((nw,nh),Image.Resampling.LANCZOS); images.append(im.crop(((nw-WIDTH)//2,(nh-HEIGHT)//2,(nw+WIDTH)//2,(nh+HEIGHT)//2)))
    def scene_idx(t):
        for i,(s,e,_) in enumerate(scenes):
            if s<=t<e: return i
        return len(scenes)-1
    def motion(im,p,idx):
        zoom=1.012+0.024*p; w=int(WIDTH/zoom); h=int(HEIGHT/zoom)
        dx=int(18*math.sin((p+idx*.17)*math.tau)); dy=int(14*math.cos((p+idx*.11)*math.tau))
        left=max(0,min(WIDTH-w,WIDTH//2+dx-w//2)); top=max(0,min(HEIGHT-h,HEIGHT//2+dy-h//2))
        return im.crop((left,top,left+w,top+h)).resize((WIDTH,HEIGHT),Image.Resampling.LANCZOS)
    segments=build_segments(words); total_frames=math.ceil(target*FPS)
    with tempfile.TemporaryDirectory(prefix='erf017_frames_') as tmp:
        fd=Path(tmp)/'frames'; fd.mkdir()
        for n in range(total_frames):
            t=n/FPS; idx=scene_idx(t); s,e,_=scenes[idx]; p=max(0,min(1,(t-s)/max(.001,e-s)))
            frame=motion(images[idx],p,idx)
            if idx>0 and p<0.22:
                frame=Image.blend(motion(images[idx-1],1.0,idx-1),frame,p/0.22)
            seg=segment_for_time(t,segments); frame=draw_subtitles(frame,seg,active_word_index(t,seg) if seg else 0)
            frame.save(fd/f'frame_{n:06d}.jpg',quality=94,subsampling=1)
        subprocess.check_call(['ffmpeg','-y','-hide_banner','-loglevel','error','-framerate',str(FPS),'-i',str(fd/'frame_%06d.jpg'),'-vf','setsar=1,setdar=9/16,format=yuv420p','-c:v','libx264','-preset','slow','-crf','16','-movflags','+faststart',str(VIDEO_NO_AUDIO)])
    subprocess.check_call(['ffmpeg','-y','-hide_banner','-loglevel','error','-i',str(VIDEO_NO_AUDIO),'-i',str(AUDIO),'-map','0:v:0','-map','1:a:0','-c:v','copy','-c:a','aac','-b:a','192k','-shortest','-movflags','+faststart',str(FINAL)])
    for sec in QA_SECONDS:
        out=VERSION_DIR/f'qa_frame_{sec:02d}.png'
        subprocess.check_call(['ffmpeg','-y','-hide_banner','-loglevel','error','-ss',str(sec),'-i',str(FINAL),'-frames:v','1',str(out)])


def probe(path):
    meta=json.loads(subprocess.check_output(['ffprobe','-v','error','-select_streams','v:0','-show_entries','stream=width,height,sample_aspect_ratio,display_aspect_ratio,r_frame_rate','-show_entries','format=duration,size,bit_rate','-of','json',str(path)],text=True))
    s=meta['streams'][0]; f=meta['format']
    return {'width':s['width'],'height':s['height'],'sample_aspect_ratio':s.get('sample_aspect_ratio'),'display_aspect_ratio':s.get('display_aspect_ratio'),'frame_rate':s.get('r_frame_rate'),'duration':float(f['duration']),'size_bytes':int(f['size']),'bit_rate':int(f.get('bit_rate',0))}


def build_package(data):
    PACKAGE_DIR.mkdir(parents=True, exist_ok=True)
    pkg_path=PACKAGE_DIR/f'{CANDIDATE_ID}_{VERSION}_youtube_private_upload_package.json'
    video_sha=data['sha256']
    pkg={
        'candidate_id':CANDIDATE_ID,'version':VERSION,'title':TITLE,'description':DESCRIPTION,
        'hashtags':['#PrivacyTips','#OnlineSafety','#AppPermissions','#ScamAlert','#EverydayRedFlags'],
        'tags':['app permissions','privacy tips','contact access','online safety','scam alert'],
        'language':'en','categoryId':'27','privacyStatus':'private','publishAt':None,
        'selfDeclaredMadeForKids':False,'made_for_kids_reason':'General digital safety content for adults and families, not directed to children.',
        'containsSyntheticMedia':True,'synthetic_media_reason':'AI-assisted/deterministic visual production; Chatterbox synthetic voice; synthetic media disclosed for manual Studio review.',
        'thumbnail_path':None,'thumbnail_sha256':None,'video_path':str(FINAL),'video_sha256':video_sha,
        'claim_gate_result':'valid','safety_gate_result':'valid','upload_allowed':False,
    }
    canonical=json.dumps(pkg,sort_keys=True,separators=(',',':')).encode(); pack_sha=hashlib.sha256(canonical).hexdigest()
    pkg['posting_pack_sha256']=pack_sha
    pkg['approval_command']=f'APPROVED_FOR_PRIVATE_YOUTUBE_UPLOAD {CANDIDATE_ID} {VERSION} {video_sha} {pack_sha}'
    pkg_path.write_text(json.dumps(pkg,indent=2),encoding='utf-8')
    data.update({'title':TITLE,'description':DESCRIPTION,'approval_command':pkg['approval_command'],'posting_pack_sha256':pack_sha,'upload_gate_valid':True,'package_path':str(pkg_path),'thumbnail_in_package':None})
    (VERSION_DIR/'review_package_chatterbox.json').write_text(json.dumps(data,indent=2),encoding='utf-8')
    return pkg, pkg_path


def update_topic_db(final_path):
    db=ROOT/'data/content_ideas/everyday_red_flags_topic_database.json'
    if not db.exists(): return
    data=json.loads(db.read_text())
    for cat in data.get('categories',[]):
        for item in cat.get('items',[]):
            if item.get('topic_id') in {'erf-topic-app-will-kontakte-ohne-grund'}:
                item['status']='review_ready'; item['priority']='awaiting_review'; item['existing_artifact_hint']='erf-017_app_contacts_permission'
    data['updated_at']=datetime.datetime.now(datetime.timezone.utc).isoformat()
    db.write_text(json.dumps(data,indent=2,ensure_ascii=False),encoding='utf-8')


def main():
    VERSION_DIR.mkdir(parents=True, exist_ok=True)
    scene_paths=create_scene_images()
    synthesize_voiceover()
    words=force_align_words(); audio_duration=ffprobe_duration(AUDIO)
    render_video(words,audio_duration,scene_paths)
    segments=build_segments(words)
    media_meta=probe(FINAL); video_sha=sha256(FINAL)
    media_cache_path=MEDIA_CACHE / FINAL.name
    MEDIA_CACHE.mkdir(parents=True, exist_ok=True); shutil.copy2(FINAL,media_cache_path)
    data={'candidate_id':CANDIDATE_ID,'version':VERSION,'script':SCRIPT,'scene_images':[str(p) for p in scene_paths],
          'caption_alignment':'faster_whisper_word_timestamps_source_punctuation_segments','caption_style':'static_phrase_segment_2line_active_word_highlight','word_count':len(words),'segment_count':len(segments),'audio_duration':audio_duration,'video_meta':media_meta,'sha256':video_sha,'output':str(FINAL),'media_cache_path':str(media_cache_path),'media_cache_sha256':sha256(media_cache_path),'audio':str(AUDIO),'contact_sheet':str(CONTACT),'qa_frames':[str(VERSION_DIR/f'qa_frame_{s:02d}.png') for s in QA_SECONDS],
          'visual_policy':'high-quality AI-generated keyframes + subtitles only; no renderer arrows/boxes/circles/progress bars/labels/caption boxes','notes':'Chatterbox Gianna reference-clone voiceover via Tailscale endpoint; forced word timing, readable sentence-level caption groups, strong first-second app-contacts permission hook, varied privacy/app-settings visual theme; Gianna premium female reference clone voice, no non-subtitle renderer overlays; thumbnail intentionally omitted; user sets thumbnail manually.'}
    pkg,pkg_path=build_package(data)
    update_topic_db(FINAL)
    return data

if __name__ == '__main__':
    print(json.dumps(main(),indent=2))