#!/usr/bin/env python3
import concurrent.futures, json, os, subprocess, sys, time, re, unicodedata
from pathlib import Path
PROJECT=Path('/data/video-pipeline/Youtube-Video-Maker/Project/11062026-002-Nha-Dinh')
GEN_SCRIPT=Path('/home/hermes/.hermes/skills/media/gen-img-gpt/scripts/gen_img_gpt.py')
SCENES=PROJECT/'script/scenes.json'; PLAN=PROJECT/'script/character_reference_plan.json'
OUT_SCENES=PROJECT/'images/scenes'; OUT_THUMBS=PROJECT/'output/thumbnails'; LOG=PROJECT/'logs/step06_images_run.log'; MANIFEST=PROJECT/'logs/step06_images_manifest.json'
WORKERS=int(os.environ.get('STEP06_WORKERS','7'))
STYLE_SCENE='16:9 horizontal historical storytelling image, centered irregular ink-wash narrative window on warm antique cream paper, painted content occupies only about 65-70 percent of page with 30-35 percent clean antique paper negative space, handcrafted Vietnamese co phong feeling, muted brown black charcoal watercolor wash, not modern, not full-frame glossy digital poster, not fantasy splash art, not 3D game key art, no text, no watermark.'
STYLE_HEADING='16:9 horizontal light Vietnamese old-calligraphy title-card on warm antique paper, subtle ink wash and small red seal stamp accent, airy text with breathing room, not heavy black title slam, not clean modern typography.'
NEG='Avoid modern objects, wrong culture, Chinese opera costume, European armor, fantasy armor, samurai, guns, character sheet layout, model sheet, multiple views, floating costume parts, text labels, watermark, logo, glossy poster, edge-to-edge full-frame painting.'
def slug(s):
    s=unicodedata.normalize('NFD',s); s=''.join(c for c in s if unicodedata.category(c)!='Mn'); s=s.replace('đ','d').replace('Đ','D')
    return re.sub(r'[^a-zA-Z0-9]+','-',s).strip('-').lower()
REFS={}
if PLAN.exists():
    for r in json.loads(PLAN.read_text(encoding='utf-8')).get('references',[]): REFS[r['character_id']]=Path(r['output_path'])
def log(msg):
    line=time.strftime('%Y-%m-%d %H:%M:%S ')+msg; print(line,flush=True); LOG.parent.mkdir(parents=True,exist_ok=True)
    with LOG.open('a',encoding='utf-8') as f: f.write(line+'\n')
def scene_refs(text):
    t=text.lower(); keys=[]
    if 'đinh bộ lĩnh' in t or 'đinh tiên hoàng' in t or 'xưng đế' in t or 'hoàng đế' in t: keys.append('dinh-bo-linh-dinh-tien-hoang')
    if 'cờ lau' in t or 'chăn trâu' in t or 'đứa trẻ' in t: keys.append('dinh-bo-linh-child-co-lau')
    if 'dương vân nga' in t or 'hoàng thái hậu' in t or 'long bào' in t: keys.append('duong-van-nga')
    if 'lê hoàn' in t or 'thập đạo' in t: keys.append('le-hoan')
    if 'đinh liễn' in t or 'đinh toàn' in t or 'đinh hạng lang' in t: keys.append('dinh-lien-dinh-toan-dinh-hang-lang')
    if 'nguyễn bặc' in t or 'đinh điền' in t or 'trịnh tú' in t or 'lưu cơ' in t or 'công thần' in t: keys.append('cong-than-nha-dinh')
    if 'sứ quân' in t or 'hào trưởng' in t or 'trần lãm' in t or 'cát cứ' in t: keys.append('muoi-hai-su-quan-hao-truong')
    if 'dân' in t or 'người việt' in t or 'làng' in t or 'hoa lư' in t or 'đại cồ việt' in t: keys.append('quan-dan-dai-co-viet')
    if 'nhà tống' in t or 'triều cống' in t or 'giao chỉ' in t or 'quân tống' in t: keys.append('su-than-va-quan-tong')
    out=[]
    for k in keys:
        p=REFS.get(k)
        if p and p.exists() and p not in out: out.append(p)
    return out
def prompt_for(scene):
    if scene.get('type')=='heading':
        return f"{STYLE_HEADING}\nVietnamese title card text to depict accurately if possible: {scene['narration']}\nSubtle Nhà Đinh / Hoa Lư motifs, reed flag and mountain citadel silhouette, antique paper. {NEG}"
    refs=scene_refs(scene.get('narration','')+' '+scene.get('summary',''))
    ref_note='Use attached character reference image(s) only to keep identity, age, face, costume language, and temperament consistent. Do not reproduce a reference sheet. ' if refs else ''
    return f"{STYLE_SCENE}\nHistorical context: 10th-century Đại Cồ Việt under Nhà Đinh, Hoa Lư mountain citadel, loạn mười hai sứ quân, first Vietnamese imperial court, early diplomacy with Song dynasty, court crisis and succession turmoil.\nNarration beat: {scene['narration']}\nVisual direction: {scene.get('visual_beat') or scene.get('visual_prompt')}\n{ref_note}One cinematic narrative scene, historically grounded 10th-century Việt clothing, simple armor, reed flags, limestone mountains, Hoa Lư valleys, royal court and village atmosphere.\nNegative exclusions: {NEG}"
def run_one(scene):
    out=OUT_SCENES/f"{scene['scene_id']}.png"
    if out.exists() and out.stat().st_size>1000: return {'scene_id':scene['scene_id'],'status':'skipped_exists','output':str(out),'bytes':out.stat().st_size}
    cmd=[sys.executable,str(GEN_SCRIPT),'--prompt',prompt_for(scene),'--output',str(out),'--size','auto','--quality','auto','--background','auto','--image-detail','high','--output-format','png','--n','1']
    for ref in scene_refs(scene.get('narration','')+' '+scene.get('summary',''))[:2]: cmd += ['--input-ref',str(ref)]
    p=subprocess.run(cmd,text=True,capture_output=True,timeout=1200)
    if p.returncode!=0: return {'scene_id':scene['scene_id'],'status':'failed','output':str(out),'error':(p.stderr or p.stdout)[-2000:]}
    return {'scene_id':scene['scene_id'],'status':'ok','output':str(out),'bytes':out.stat().st_size if out.exists() else 0}
def thumb_prompt(kind):
    aspect='16:9 YouTube thumbnail, 1920x1080' if kind=='16x9' else 'TikTok-safe vertical thumbnail/poster, 1080x1280 preferred composition'
    return f"{aspect}. Cinematic Vietnamese historical dynasty poster for 'NHÀ ĐINH - MƯỜI HAI NĂM DỰNG NỀN ĐẠI CỒ VIỆT'. Large dramatic portrait of Đinh Bộ Lĩnh / Đinh Tiên Hoàng as a 10th-century Việt founder-emperor, Hoa Lư limestone mountains and citadel gates behind him, reed flag childhood symbol, fragmented twelve warlord banners fading into a unified Đại Cồ Việt standard, manuscript parchment texture, dark sepia bronze black palette, large readable metallic-gold Vietnamese brush lettering over irregular black ink-splash title panel. Historically grounded 10th-century Việt / Đại Cồ Việt / Hoa Lư, not modern, not fantasy, no watermark."
def gen_thumb(kind,out):
    if out.exists() and out.stat().st_size>1000: return {'kind':kind,'status':'skipped_exists','output':str(out),'bytes':out.stat().st_size}
    cmd=[sys.executable,str(GEN_SCRIPT),'--prompt',thumb_prompt(kind),'--output',str(out),'--size','auto','--quality','auto','--background','auto','--image-detail','high','--output-format','png','--n','1']
    p=REFS.get('dinh-bo-linh-dinh-tien-hoang')
    if p and p.exists(): cmd += ['--input-ref',str(p)]
    r=subprocess.run(cmd,text=True,capture_output=True,timeout=1200)
    if r.returncode!=0: return {'kind':kind,'status':'failed','output':str(out),'error':(r.stderr or r.stdout)[-2000:]}
    return {'kind':kind,'status':'ok','output':str(out),'bytes':out.stat().st_size if out.exists() else 0}
def main():
    OUT_SCENES.mkdir(parents=True,exist_ok=True); OUT_THUMBS.mkdir(parents=True,exist_ok=True); LOG.parent.mkdir(parents=True,exist_ok=True); LOG.write_text('',encoding='utf-8')
    scenes=json.loads(SCENES.read_text(encoding='utf-8'))['scenes']; results=[]; log(f'START step6 scenes={len(scenes)} workers={WORKERS}')
    with concurrent.futures.ThreadPoolExecutor(max_workers=WORKERS) as ex:
        futs={ex.submit(run_one,s):s for s in scenes}
        for fut in concurrent.futures.as_completed(futs):
            r=fut.result(); results.append(r); log((f"{r['status']} {r.get('scene_id')} bytes={r.get('bytes')}" if 'scene_id' in r else str(r)))
    thumb_results=[]
    if not any(r['status']=='failed' for r in results):
        log('START thumbnails');
        for kind,name in [('16x9','thumb_16x9_final.png'),('9x16','thumb_9x16_final.png')]:
            tr=gen_thumb(kind,OUT_THUMBS/name); thumb_results.append(tr); log(str(tr))
    status='completed' if all(r['status'] in ('ok','skipped_exists') for r in results) and len(thumb_results)==2 and all(r['status'] in ('ok','skipped_exists') for r in thumb_results) else 'needs_retry'
    MANIFEST.write_text(json.dumps({'project_id':PROJECT.name,'step':6,'status':status,'workers':WORKERS,'total_scenes':len(scenes),'scene_results':results,'thumbnail_results':thumb_results},ensure_ascii=False,indent=2),encoding='utf-8')
    log('DONE '+json.dumps({'status':status,'scenes_done':sum(1 for r in results if r['status'] in ('ok','skipped_exists')),'scenes_total':len(scenes),'thumbs':len(thumb_results)},ensure_ascii=False))
    if status!='completed': raise SystemExit('needs_retry')
if __name__=='__main__': main()