#!/usr/bin/env bash
# Host-local on koopa. Replaces dossiers.ngi.hacktivism.ch site-block body
# with cookie→editions sticky-bar switch. Leaves .2/.3 alone.
# Next: sudo ~/bin/caddy-apply
set -euo pipefail

CADDY="${CADDY:-$HOME/koopa-caddy/Caddyfile}"
SITE="dossiers.ngi.hacktivism.ch"
SNIPPET="${SNIPPET:-$HOME/bin/caddy-dossiers-ngi.snippet}"

if [[ ! -f "$CADDY" ]]; then
  echo "FAIL: missing $CADDY" >&2
  exit 1
fi
if [[ ! -f "$SNIPPET" ]]; then
  echo "FAIL: missing snippet $SNIPPET" >&2
  exit 1
fi

ts="$(date +%Y%m%d-%H%M%S)"
bak="${CADDY}.bak-dossiers-edition-${ts}"
cp -a "$CADDY" "$bak"
echo "bak: $bak"

python3 - "$CADDY" "$SITE" "$SNIPPET" <<'PY'
import sys
from pathlib import Path

caddy_path, site, snippet_path = Path(sys.argv[1]), sys.argv[2], Path(sys.argv[3])
text = caddy_path.read_text()
raw_snip = snippet_path.read_text().splitlines()
body_lines = []
for line in raw_snip:
    if line.startswith("#") or not line.strip():
        continue
    body_lines.append(line if line.startswith("\t") else "\t" + line.lstrip())
body = "\n".join(body_lines).rstrip() + "\n"
if "edition_dir" not in body or "tdpd_edition" not in body:
    print("FAIL: snippet body looks empty/wrong", file=sys.stderr)
    sys.exit(1)

needle = site + " {"
start = text.find(needle)
if start < 0:
    # allow no space
    needle = site + "{"
    start = text.find(needle)
if start < 0:
    print(f"FAIL: site block not found: {site}", file=sys.stderr)
    sys.exit(1)

brace_open = text.find("{", start)
if brace_open < 0:
    print("FAIL: no opening brace", file=sys.stderr)
    sys.exit(1)

depth = 0
end = None
for i, ch in enumerate(text[brace_open:], start=brace_open):
    if ch == "{":
        depth += 1
    elif ch == "}":
        depth -= 1
        if depth == 0:
            end = i
            break
if end is None:
    print("FAIL: unclosed site block", file=sys.stderr)
    sys.exit(1)

# keep optional newline after closing brace
close_end = end + 1
if close_end < len(text) and text[close_end] == "\n":
    close_end += 1

new_text = text[: brace_open + 1] + "\n" + body + "}" + ("\n" if text[end+1:end+2] == "\n" or True else "")
# normalize: site {\n BODY }\n
new_text = text[: brace_open + 1] + "\n" + body + "}\n" + text[close_end:]
caddy_path.write_text(new_text)
print(f"OK: replaced body of {site} ({len(body_lines)} lines)")
print("Next: sudo ~/bin/caddy-apply")
PY