#!/usr/bin/env bash
# phase-status.sh — phase pipeline state for the Phase Architect.
#
# Finds the project root (nearest ancestor with .agent/phases/todo), prints
# the todo/ and complete/ phase listings, and computes the next free phase
# number NN (counting both directories together, zero-padded to 2 digits).
#
# Usage: bash phase-status.sh          # from anywhere in the project tree

set -euo pipefail

root="$(pwd)"
while :; do
  if [[ -d "$root/.agent/phases/todo" ]]; then break; fi
  [[ "$root" == "/" ]] && { echo "✗ ERROR: no .agent/phases/todo found at or above $(pwd)" >&2; exit 1; }
  root="$(dirname "$root")"
done

list() {
  local d="$root/.agent/phases/$1" f found=0
  for f in "$d"/*.md; do
    [[ -e "$f" ]] || continue
    found=1
    printf '  %s\n' "$(basename "$f")"
  done
  if (( ! found )); then printf '  (empty)\n'; fi
}

max=0
for d in todo complete; do
  for f in "$root/.agent/phases/$d"/*.md; do
    [[ -e "$f" ]] || continue
    n="$(basename "$f" .md)"
    if [[ "$n" =~ ^([0-9]+) ]]; then
      n=$((10#${BASH_REMATCH[1]}))
      if (( n > max )); then max=$n; fi
    fi
  done
done

echo "project root: $root"
echo "todo:"
list todo
echo "complete:"
list complete
echo "next number: $(printf '%02d' $((max + 1)))"