#!/bin/bash
set -e

# 参数检查
if [ $# -ne 3 ]; then
    echo "Usage: $0 <ARCH> <VERSION> <TARGZ_FILE>"
    echo "Example: $0 amd64 3.4.6-xg1 xxxigcc-amd64-ubuntu-3.4.6-xg1.tar.gz"
    exit 1
fi

ARCH=$1
VERSION=$2
TARGZ_FILE=$3
PKG_NAME="xxxigcc"
DEB_FILE="${PKG_NAME}_${VERSION}_${ARCH}.deb"

# 转换架构名称（Docker 使用的架构名到 Debian 架构名）
case "$ARCH" in
    amd64)
        DEB_ARCH="amd64"
        ;;
    arm64)
        DEB_ARCH="arm64"
        ;;
    *)
        echo "Unsupported architecture: $ARCH"
        exit 1
        ;;
esac

echo "📦 Building Debian package: ${DEB_FILE}"
echo "  Architecture: ${DEB_ARCH}"
echo "  Version: ${VERSION}"
echo "  Source: ${TARGZ_FILE}"

# 创建临时目录
BUILD_DIR=$(mktemp -d)
trap "rm -rf $BUILD_DIR" EXIT

# 创建包目录结构
PKG_DIR="${BUILD_DIR}/${PKG_NAME}_${VERSION}_${DEB_ARCH}"
mkdir -p "${PKG_DIR}/DEBIAN"
mkdir -p "${PKG_DIR}/opt/xxxigcc"
mkdir -p "${PKG_DIR}/lib/systemd/system"

# 解压二进制文件
echo "📂 Extracting binaries..."
tar -xzf "${TARGZ_FILE}" -C "${PKG_DIR}/opt/xxxigcc"

# 生成 control 文件
echo "📝 Generating control file..."
sed -e "s/{{VERSION}}/${VERSION}/" \
    -e "s/{{ARCH}}/${DEB_ARCH}/" \
    debian/control.template > "${PKG_DIR}/DEBIAN/control"

# 复制维护脚本
echo "📋 Copying maintainer scripts..."
cp debian/postinst "${PKG_DIR}/DEBIAN/postinst"
cp debian/prerm "${PKG_DIR}/DEBIAN/prerm"
cp debian/postrm "${PKG_DIR}/DEBIAN/postrm"
chmod 755 "${PKG_DIR}/DEBIAN/postinst"
chmod 755 "${PKG_DIR}/DEBIAN/prerm"
chmod 755 "${PKG_DIR}/DEBIAN/postrm"

# 复制 systemd service 文件
echo "🔧 Installing systemd services..."
cp debian/xxxigcc-server.service "${PKG_DIR}/lib/systemd/system/"
cp debian/xxxigcc-daemon.service "${PKG_DIR}/lib/systemd/system/"

# 设置权限
chmod 755 "${PKG_DIR}/opt/xxxigcc/xxxigServer"
chmod 755 "${PKG_DIR}/opt/xxxigcc/xxxigDaemon"
chmod 755 "${PKG_DIR}/opt/xxxigcc/xxxigMiner"
chmod 644 "${PKG_DIR}/opt/xxxigcc/config.json"
chmod 644 "${PKG_DIR}/opt/xxxigcc/config_cc.json"
chmod 644 "${PKG_DIR}/opt/xxxigcc/index.html"
chmod 644 "${PKG_DIR}/lib/systemd/system/xxxigcc-server.service"
chmod 644 "${PKG_DIR}/lib/systemd/system/xxxigcc-daemon.service"

# 构建 deb 包
echo "🔨 Building package..."
dpkg-deb --build --root-owner-group "${PKG_DIR}" "${DEB_FILE}"

# 检查包
echo "✅ Package built successfully!"
echo "📦 Package: $(pwd)/${DEB_FILE}"
echo "📊 Package info:"
dpkg-deb --info "${DEB_FILE}"

echo ""
echo "🎉 Done!"