"""Render CLI output as a styled terminal screenshot / animated GIF with Playwright + Pillow. Usage (as a module): from term_render import render render(title, command, lines, png='out.png', gif='out.gif', width=1000, rules=[(regex, css_color), ...]) `lines` is a list of plain-text output lines. No real terminal is needed, so output can be sanitized first. """ import asyncio, html, io, re from PIL import Image from playwright.async_api import async_playwright DEFAULT_RULES=[(r'✓|\bOK\b|\bNORMAL\b|\bPASS(ED)?\b|HEALTH_OK','#3ddc84'),(r'⚠️?|\bWARN(ING)?\b|HEALTH_WARN|\[WARN\]','#ffb454'),(r'\bERROR\b|\bFAIL(ED)?\b|\bCRITICAL\b|✗|HEALTH_ERR','#ff5c6c'),(r'^=+.*=+$|^┏.*|^┃.*|^┣.*|^┗.*','#7fdbff')] PAGE='''
%(t)s
'''

def colorize(line, rules):
    s=html.escape(line)
    for pat,col in rules:
        if pat.startswith('^'):
            if re.search(pat,line): return f'{s}'
        else:
            s=re.sub('('+pat+')',lambda m:f'{m.group(0)}',s)
    return s

async def _render(title,command,lines,png,gif,width,rules,min_h):
    rules=rules or DEFAULT_RULES
    prompt='root@node:~# '
    async with async_playwright() as p:
        b=await p.chromium.launch(); pg=await b.new_page(viewport={'width':width+2,'height':600})
        await pg.set_content(PAGE%{'w':width,'h':min_h,'t':html.escape(title)}); await pg.wait_for_timeout(1200)
        async def show(body,cursor=False):
            await pg.evaluate("(h)=>{document.getElementById('t').innerHTML=h}",body+(' ' if cursor else ''))
        async def shot():
            el=pg.locator('#win'); return await el.screenshot()
        full=prompt+''+html.escape(command)+'\n'+'\n'.join(colorize(l,rules) for l in lines)
        await show(full)
        if png: open(png,'wb').write(await shot()); print('png',png)
        if gif:
            frames=[]; dur=[]
            def add(img,d): frames.append(Image.open(io.BytesIO(img)).convert('RGB')); dur.append(d)
            await show(prompt,True); add(await shot(),500)
            for i in range(1,len(command)+1,3):
                await show(prompt+''+html.escape(command[:i])+'',True); add(await shot(),45)
            await show(prompt+''+html.escape(command)+'',True); add(await shot(),500)
            head=prompt+''+html.escape(command)+'\n'; out=[]
            step=max(1,len(lines)//20)
            for i in range(0,len(lines),step):
                out=lines[:i+step]; await show(head+'\n'.join(colorize(l,rules) for l in out)); add(await shot(),120)
            await show(full); add(await shot(),3500)
            w0=frames[0].width
            scale=min(1.0,780/w0); frames=[f.resize((int(f.width*scale),int(f.height*scale)),Image.LANCZOS) for f in frames]
            # all frames must share size: pad to the tallest
            H=max(f.height for f in frames); W=frames[0].width
            norm=[]
            for f in frames:
                c=Image.new('RGB',(W,H),(13,17,23)); c.paste(f,(0,0)); norm.append(c.quantize(colors=32,method=Image.MEDIANCUT,dither=Image.NONE))
            norm[0].save(gif,save_all=True,append_images=norm[1:],duration=dur,loop=0,optimize=True); print('gif',gif,len(norm))
        await b.close()

def render(title,command,lines,png=None,gif=None,width=1000,rules=None,min_h=200):
    asyncio.run(_render(title,command,lines,png,gif,width,rules,min_h))