#!/usr/bin/env python3
"""Requested provisional David layout only; no production printing or finish masks."""
from pathlib import Path
import hashlib,json,os,subprocess
from xml.sax.saxutils import escape
import numpy as np
from PIL import Image,ImageDraw
P=Path(__file__).resolve().parent
R=next(p for p in P.parents if (p/'docs/card-workspace.md').is_file())
ART=P.parents[1]/'source/art-master.png'
sha=lambda p:hashlib.sha256(p.read_bytes()).hexdigest()
original=sha(ART)
fonts=json.loads((R/'fonts/manifest.json').read_text())
for name in ['P052-Bold.otf','SanctificationP052-Medium.otf']:
assert sha(R/'fonts'/name)==fonts['files'][name]['sha256']
(P/'fonts.conf').write_text(f'{R/"fonts"}{P/"font-cache"}')
env=dict(os.environ,FONTCONFIG_FILE=str(P/'fonts.conf'))
def ink(*args):return subprocess.check_output(['inkscape',*map(str,args)],env=env,text=True,stderr=subprocess.PIPE)
def render(src,dst):ink(src,'--export-type=png',f'--export-filename={dst}','--export-width=2000','--export-height=2800')
# Hand-authored silhouette of the ENTIRE connected drape, in native 1060 x 1484 coordinates.
# Keep original cloth outside the bounded artistic donor; no color-based alpha or hole repair.
head='')
render(fragment_svg,P/'mantle-overlap-preview.png')
alpha=np.asarray(Image.open(P/'mantle-overlap-preview.png').convert('RGBA').getchannel('A'))
(P/'mantle-contour.json').write_text(json.dumps({'method':'Hand-authored original silhouette plus built-in-imagegen adapted hem; donor RGB intentionally changes','nativeCanvas':[1060,1484],'path':path,'uniformScale':scale,'component':'Original connected foreground with a generated curved back-drape donor','donorNativeCanvas':[1319,1193],'donorPath':donor_path,'replacedOriginalRegionPath':replacement_path,'donorTransform':{'translate':[150,2100],'uniformScale':donor_scale},'topEntryBlendMasterPixels':32},indent=2)+'\n')
rows=[('title','DAVID',1490,255,138,'P052',700)]
verses=['“I have found David','the son of Jesse, a man','after My own heart,','who will do all My will.”']
for i,t in enumerate(verses):rows.append((f'verse-{i}',t,1320,2306+i*85,80,'Sanctification P052',500))
rows.append(('reference','Acts 13:22 • NKJV',1320,2660,57,'Sanctification P052',500))
for ident,text,x,y,size,family,weight in rows:
font=R/'fonts'/('P052-Bold.otf' if weight==700 else 'SanctificationP052-Medium.otf')
charset=subprocess.check_output(['fc-query','--format','%{charset}',str(font)],text=True)
coverage=set()
for span in charset.split():
bounds=[int(v,16) for v in span.split('-')];coverage.update(range(bounds[0],bounds[-1]+1))
assert all(ord(c) in coverage for c in text),ident
texts=''.join(f'{escape(text)}' for ident,text,x,y,size,family,weight in rows)
head='');render(P/'text-preview.svg',P/'text-preview.png')
# Simple SVG geometry is intentionally undecorated until layout review.
base=''
frame=''
panels=''
(P/'backing-review.svg').write_text(head+panels+'');render(P/'backing-review.svg',P/'backing-review.png')
backing_alpha=np.asarray(Image.open(P/'backing-review.png').convert('RGBA').getchannel('A'))
overlap=''
for name,fg in [('composed-preview',overlap),('without-overlap', '')]:
src=P/(name+'.svg');src.write_text(head+base+frame+panels+fg+texts+'');render(src,P/(name+'-2000.png'))
image=Image.open(P/(name+'-2000.png')).convert('RGB');image.resize((1000,1400),Image.Resampling.LANCZOS).save(P/(name+'-1000.png'))
# Measure each independently rendered line so no clipping can hide an overlap.
checks=[]
for ident,text,x,y,size,family,weight in rows:
node=next(v for v in texts.split('') if f'id="{ident}"' in v)+''
src=P/(ident+'-ink.svg');src.write_text(head+node+'');dst=P/(ident+'-ink.png');render(src,dst);bounds=Image.open(dst).convert('RGBA').getchannel('A').getbbox();assert bounds
box=(1098,108,1882,332) if ident=='title' else (410,2240,1910,2700)
assert bounds[0]>=box[0] and bounds[1]>=box[1] and bounds[2]<=box[2] and bounds[3]<=box[3],(ident,bounds,box)
inkalpha=np.asarray(Image.open(dst).convert('RGBA').getchannel('A'));assert not np.any((inkalpha>0)&(alpha>0)),ident
assert np.all(backing_alpha[inkalpha>0]==255),ident
checks.append({'id':ident,'text':text,'font':family,'weight':weight,'size':size,'inkBounds':list(bounds),'safeBox':list(box),'mantleIntersectionPixels':0,'glyphPixelsOutsideOpaqueBacking':0,'glyphCoverageVerified':True})
board=Image.new('RGB',(1000,750),'#11161c');d=ImageDraw.Draw(board)
for i,(label,path) in enumerate([('Simple backing, no overlap',P/'without-overlap-1000.png'),('Provisional mantle overlap',P/'composed-preview-1000.png')]):
d.text((i*500+12,12),label,fill='#f4ead4');im=Image.open(path);im.thumbnail((480,672));board.paste(im,(i*500+10,45))
board.save(P/'overlap-comparison.png')
assert sha(ART)==original
report={'status':'passed','scope':'Provisional composed layout preview only','artSHA256':original,'sourceArtworkUnchanged':True,'canvas':[2000,2800],'titleBacking':[1080,90,820,260],'verseBacking':[500,2200,1440,540],'palette':{'backing':'#f4ead4','text':'#263f50','rule':'#806438'},'fontManifestSHA256':sha(R/'fonts/manifest.json'),'textChecks':checks,'overlap':{'method':'Original connected contour plus bounded generated curved-hem donor; same-canvas composition.','contour':'mantle-contour.json','note':'Upper connection retained; lower/right hem artistically adapted with built-in imagegen. Provisional contour and donor pending review.','letteringIntersectionPixels':0},'notPerformed':['Decorative asset generation','Final printing exports','Finish or glyph-protection masks','Harness fixture installation','GPU/moving-light validation']}
(P/'preview-validation.json').write_text(json.dumps(report,indent=2)+'\n');print(json.dumps({'status':'passed','preview':str((P/'composed-preview-1000.png').relative_to(R)),'inkChecks':checks},indent=2))
assert (P/'text-preview.png').read_bytes()==(P.parent/'layout-preview-astra-v2/text-preview.png').read_bytes()
report.update({'letteringPNGMatchesV2':True,'foregroundRGBPolicy':'Artistic foreground adaptation explicitly permitted; donor RGB intentionally differs from original. Base source artwork remains unchanged.','donor':{'path':'source/hem-donor-native.png','sha256':sha(P/'source/hem-donor-native.png'),'nativeCanvas':[1319,1193],'uniformScale':donor_scale,'translate':[150,2100],'placedSize':[730,1193*donor_scale],'editTargetMasterCrop':[150,2100,880,2760],'topEntryBlendMasterPixels':32,'method':'Built-in imagegen edit; bounded SVG donor over original foreground, exact original lettering composed last.'},'glyphCoverageVerified':True,'glyphPixelsOutsideOpaqueBacking':0,'staticReview':{'status':'provisional','assessment':'Adapted drape uses a curved tapered hem and flowing pane boundaries instead of the source ledge-shaped termination. Upper connection and broad cloth plane remain.','limitation':'Generated donor and its transition remain provisional; static visual review only.'}})
(P/'preview-validation.json').write_text(json.dumps(report,indent=2)+'\n')
for filename,crop,size in [('before-after.png',None,(1000,750)),('junction-comparison.png',(100,1970,980,2800),(1000,710))]:
board=Image.new('RGB',size,'#11161c');d=ImageDraw.Draw(board)
for i,(label,f) in enumerate([('Previous: source-shaped hem',P.parent/'layout-preview-astra-v2/composed-preview-2000.png'),('Adapted curved hanging hem',P/'composed-preview-2000.png')]):
d.text((i*500+12,12),label,fill='#f4ead4');im=Image.open(f)
if crop: im=im.crop(crop)
im.thumbnail((480,645 if crop else 672));board.paste(im,(i*500+10,45))
board.save(P/filename)
previous=np.asarray(Image.open(P.parent/'layout-preview-astra-v2/composed-preview-2000.png').convert('RGB'))
current=np.asarray(Image.open(P/'composed-preview-2000.png').convert('RGB'))
changed=np.any(previous!=current,axis=2)
yy,xx=np.nonzero(changed)
assert len(xx)>0
bounds=[int(xx.min()),int(yy.min()),int(xx.max())+1,int(yy.max())+1]
allowed=np.zeros(changed.shape,dtype=bool);allowed[2100:2600,490:780]=True
assert not np.any(changed&~allowed),bounds
report['changedForegroundVsPrevious']={'pixelCount':int(changed.sum()),'bounds':bounds,'allowedMasterRegion':[490,2100,780,2600],'changedPixelsOutsideAllowedRegion':0}
(P/'preview-validation.json').write_text(json.dumps(report,indent=2)+'\n')
(P/'source/art-provenance.json').write_text(json.dumps({'tool':'built-in imagegen','editPrompt':'edit-prompt.txt','nativeDonor':'hem-donor-native.png','nativeDonorSHA256':sha(P/'source/hem-donor-native.png'),'editTarget':'edit-target-crop.png','editTargetSHA256':sha(P/'source/edit-target-crop.png'),'displayedInput':'RGB JPEG thumbnail of the target crop, 650px wide, quality 80; num_last_images_to_include=1','fit':report['donor'],'baseArtworkSHA256':original,'baseArtworkUnchanged':True,'artisticForegroundAdaptation':True},indent=2)+'\n')
print(json.dumps(report['changedForegroundVsPrevious'],indent=2))