"""One-time migration of September 2026 uploads into individual highlighted photos."""
from datetime import datetime, timedelta, timezone
from pathlib import Path
import html


ART = Path("_art")
UPLOAD = "/img/arts/uploads"
OLD = [
    "260cc99527c13f256d4ea39d0959f5daa942c888ea882852e73fd94f6c30b7db",
    "474ab3283ce8801ac6e59b67b65b4169167053873a5a8db4a15b840a3448266c",
    "7c832afa1b73023d8f2391ff40c221be9ffd468a1a96a6bf4900cbf95595d31d",
    "b18a2f1c7127077c801160782012cb164759f0b9dd41762205b45e4c9a07d673",
    "c53f20236f166632bff163339c8e789cc09b0d7e63c5b531b1fc20705460975b",
]

armenia = [
    (OLD[2], 9), (OLD[2], 8), (OLD[2], 7), (OLD[2], 6),
    (OLD[2], 5), (OLD[2], 4), (OLD[1], 0),
]
romania = [
    (OLD[2], 0), (OLD[2], 1), (OLD[4], 0), (OLD[4], 1),
    (OLD[4], 2), (OLD[4], 3), (OLD[4], 4), (OLD[0], 0), (OLD[3], 0),
]
ungrouped = [(OLD[2], 2), (OLD[2], 3)]
ordered = armenia + romania + ungrouped
assert len(ordered) == len(set(ordered)) == 18

anchors = {armenia[0]: "Armenia", romania[0]: "Romania"}
captions = {(OLD[2], 7): "Transmission of Flesh by Erfan Ashourioun"}
first_for_job = {}
for photo in ordered:
    first_for_job.setdefault(photo[0], photo)

for job in OLD:
    batch = next(ART.glob(f"*-photo-{job}.md"), None)
    if batch:
        batch.unlink()

start = datetime(2026, 9, 19, 12, 29, 33, tzinfo=timezone.utc)
for position, (job, index) in enumerate(ordered):
    title = f"photo-{job}-{index:02}"
    if (job, index) == first_for_job[job]:
        title = f"photo-{job}"
    date = start - timedelta(microseconds=position)
    lines = ["---", "layout: post", f'title: "{title}"',
             f'date: "{date.isoformat()}"', "categories: art"]
    if (job, index) in anchors:
        lines.append(f'anchor: "{anchors[(job, index)]}"')
    lines.extend(["---", ""])
    if (job, index) == first_for_job[job] and (job, index) not in anchors:
        lines.extend([f'<div id="photo-{job}"></div>', ""])
    caption = captions.get((job, index), "")
    lines.append(f'<p><img src="{UPLOAD}/{job}/{index:02}.jpg" '
                 f'alt="{html.escape(caption, quote=True)}" loading="lazy"></p>')
    if caption:
        lines.append(f'<span class="image-details">{html.escape(caption)}</span>')
    target = ART / f"2026-09-19-photo-{job}-{index:02}.md"
    target.write_text("\n".join(lines) + "\n")

print("Created 18 individual photo documents in Armenia, Romania, and ungrouped order")