#!/usr/bin/env bash
# build.sh -- regenerer per-rolle-manifester fra files/ (REPOET er kilden installeren serverer).
# Vanlig flyt etter kodeendring:  ./build.sh && git commit -am "sync" && git push
#
# Valgfri synk mot singleplayer-verdenen (dev-miljoeet):
#   ./build.sh --from-world [computer-dir]   # verden -> files/  (kun kode; state/legacy filtreres)
#   ./build.sh --to-world   [computer-dir]   # files/ -> verden  (kun kode; roerer aldri state)
set -euo pipefail

REPO="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
WORLD_DEFAULT="/home/stian/.local/share/ModrinthApp/profiles/Modda wii/saves/New World/computercraft/computer"

# rolle -> computer-id i verdenen
declare -A ROLE_SRC=(
  [autopilot]=0   # maskinrom: startup -> ap boot -> wizard/standby
  [cockpit]=4     # pilot-hus: startup -> cockpit
)

# per-skip tilstand + utdaterte verktoey: shippes ALDRI (installeren rydder dem ogsaa)
EXCLUDES=(calib.txt sides.txt target.txt settings.txt engaged.txt scan.txt pid_gains.txt
          stabilize.lua diag.lua probe.lua scan.lua manifest)
# rolle-spesifikt: cockpit-koden hoerer ikke hjemme paa autopilot-PCen
declare -A ROLE_EXCLUDES=(
  [autopilot]="cockpit.lua pilot_startup.lua"
  [cockpit]=""
)

is_excluded() { # $1=rolle $2=relativ sti
  local base x; base="$(basename "$2")"
  case "$base" in *.log|*.old|.installed_*) return 0;; esac
  for x in "${EXCLUDES[@]}"; do [ "$base" = "$x" ] && return 0; done
  for x in ${ROLE_EXCLUDES[$1]}; do [ "$base" = "$x" ] && return 0; done
  return 1
}

mode="${1:-manifests}"
world="${2:-$WORLD_DEFAULT}"

case "$mode" in
  manifests) ;;
  --from-world|--to-world)
    if [ ! -d "$world" ]; then
      echo "error: world computer dir not found: $world" >&2
      echo "pass the path as arg 2 if the world moved." >&2
      exit 1
    fi
    for role in "${!ROLE_SRC[@]}"; do
      id="${ROLE_SRC[$role]}"
      src="$world/$id"; dst="$REPO/files/$role"
      if [ "$mode" = "--from-world" ]; then from="$src"; to="$dst"; else from="$dst"; to="$src"; fi
      if [ ! -d "$from" ]; then
        echo "warn: source dir missing for role '$role' ($from), skipping" >&2
        continue
      fi
      while IFS= read -r rel; do
        if ! is_excluded "$role" "$rel"; then
          mkdir -p "$to/$(dirname "$rel")"
          cp "$from/$rel" "$to/$rel"
        fi
      done < <(cd "$from" && find . -type f | sed 's|^\./||')
      echo "synced role '$role' ($mode)"
    done
    ;;
  *)
    echo "usage: ./build.sh [--from-world|--to-world] [computer-dir]" >&2
    exit 1
    ;;
esac

# manifester: nylinje-separerte relative stier. LC_ALL=C sort er VIKTIG: locale-avhengig
# (case-insensitiv) sortering kan stokke om case-varianter og gi udefinert install-rekkefoelge.
for role in "${!ROLE_SRC[@]}"; do
  dst="$REPO/files/$role"
  [ -d "$dst" ] || continue
  while IFS= read -r rel; do
    is_excluded "$role" "$rel" || printf '%s\n' "$rel"
  done < <(cd "$dst" && find . -type f ! -name manifest | sed 's|^\./||' | LC_ALL=C sort) > "$dst/manifest"
  echo "role '$role': $(wc -l < "$dst/manifest") files"
done
echo "done. manifests regenerated."