"""Update plan.md for Task 5.1."""
from __future__ import annotations

import sys
from pathlib import Path

PLAN = Path("conductor/tracks/send_result_to_send_20260616/plan.md")
SHA = "9b50112"

EDITS: list[tuple[str, str]] = [
 (
  "### Task 5.1: Rename in the 3 current docs (single commit)\n\n- [ ] **Step 1: Identify all references in the 3 docs**",
  f"### Task 5.1: Rename in the 3 current docs (single commit) [{SHA}]\n\n- [x] **Step 1: Identify all references in the 3 docs**",
 ),
 ("- [ ] **Step 2: Rename each reference**", "- [x] **Step 2: Rename each reference**"),
 ("- [ ] **Step 3: Commit**", "- [x] **Step 3: Commit**"),
 ("- [ ] **Step 4: Attach the git note**", "- [x] **Step 4: Attach the git note**"),
]


def main() -> int:
 with PLAN.open("r", encoding="utf-8", newline="") as f:
  content = f.read()
 has_crlf = "\r\n" in content
 nl = "\r\n" if has_crlf else "\n"
 normalized = [(o.replace("\n", nl), n.replace("\n", nl)) for o, n in EDITS]
 new_content = content
 applied = 0
 for old, new in normalized:
  if old in new_content:
   new_content = new_content.replace(old, new, 1)
   applied += 1
  else:
   print(f"NOT FOUND: {old[:80]!r}", file=sys.stderr)
 if applied != len(EDITS):
  print(f"Only applied {applied}/{len(EDITS)} edits.", file=sys.stderr)
  return 1
 with PLAN.open("w", encoding="utf-8", newline="") as f:
  f.write(new_content)
 print(f"Applied {applied}/{len(EDITS)} edits. Line endings: {'CRLF' if has_crlf else 'LF'}")
 return 0


if __name__ == "__main__":
 raise SystemExit(main())