#!/usr/bin/env bash
# 构建 Linux arm64 deb，并保证安装路径与 productName/executableName=DiscWorker 一致
set -euo pipefail

ROOT="$(cd "$(dirname "$0")/.." && pwd)"
cd "$ROOT"

EXE="DiscWorker"
SANITIZED="DiscWorker"
OPT_DIR="/opt/${SANITIZED}"
BIN_LINK="/usr/bin/${EXE}"

echo "[build-deb-arm64] executable: ${EXE}"
echo "[build-deb-arm64] opt dir: ${OPT_DIR}"

node .electron-vue/build.js
npx electron-builder --linux deb --arm64

shopt -s nullglob
mapfile -t DEBS < <(ls -t build/*.deb 2>/dev/null || true)
if [[ ${#DEBS[@]} -eq 0 ]]; then
  echo "[build-deb-arm64] 未找到 build/*.deb" >&2
  exit 1
fi

DEB="${DEBS[0]}"
WORK="$(mktemp -d)"
trap 'rm -rf "$WORK"' EXIT

echo "[build-deb-arm64] patching: $DEB"
dpkg-deb -R "$DEB" "$WORK/pkg"
CONTROL_DIR="$WORK/pkg/DEBIAN"
mkdir -p "$CONTROL_DIR"

# 若 builder 已生成钩子，把旧小写路径替换为 DiscWorker；否则写入默认钩子
patch_or_write() {
  local file="$1"
  local kind="$2"
  if [[ -f "$file" ]]; then
    sed -i \
      -e "s|/opt/discworker|/opt/${SANITIZED}|g" \
      -e "s|/usr/bin/discworker|/usr/bin/${EXE}|g" \
      -e "s|discworker/chrome-sandbox|${SANITIZED}/chrome-sandbox|g" \
      -e "s|/opt/discworker/discworker|${OPT_DIR}/${EXE}|g" \
      "$file"
    chmod 755 "$file"
    echo "[build-deb-arm64] patched existing ${kind}"
    return
  fi

  if [[ "$kind" == "postinst" ]]; then
    cat > "$file" <<EOF
#!/bin/bash
set -e
if [ -f ${OPT_DIR}/chrome-sandbox ]; then
  chown root:root ${OPT_DIR}/chrome-sandbox
  chmod 4755 ${OPT_DIR}/chrome-sandbox
fi
if [ -x ${OPT_DIR}/${EXE} ]; then
  ln -sfn ${OPT_DIR}/${EXE} ${BIN_LINK}
fi
exit 0
EOF
  else
    cat > "$file" <<EOF
#!/bin/bash
set -e
if [ "\$1" = "remove" ] || [ "\$1" = "purge" ]; then
  rm -f ${BIN_LINK}
fi
exit 0
EOF
  fi
  chmod 755 "$file"
  echo "[build-deb-arm64] wrote default ${kind}"
}

patch_or_write "$CONTROL_DIR/postinst" "postinst"
patch_or_write "$CONTROL_DIR/postrm" "postrm"

OUT="build/${SANITIZED}-arm64-patched.deb"
dpkg-deb -b "$WORK/pkg" "$OUT"
echo "[build-deb-arm64] done: $OUT"