#!/bin/bash

set -e  # 遇到错误时退出脚本

# 检查是否在 Git 仓库中
if ! git rev-parse --is-inside-work-tree > /dev/null 2>&1; then
    echo "Error: Not inside a Git repository."
    exit 1
fi

# 获取最近的 tag
TAG=$(git describe --tags --abbrev=0 2>/dev/null)

# 获取最后一次提交的 SHA
COMMIT_SHA=$(git rev-parse --short HEAD)

# 检查是否有未提交的更改
if [ -n "$(git status --porcelain)" ]; then
    DIRTY="-dirty"
else
    DIRTY=""
fi

# 决定版本信息
if [ -n "$TAG" ]; then
    VERSION="$TAG-$COMMIT_SHA$DIRTY"
else
    VERSION="$COMMIT_SHA$DIRTY"
fi

# 输出版本信息
echo "Injecting version: $VERSION"

# 处理选项
BUILD_ALL=false
INSTALL_DIR=""

while [[ $# -gt 0 ]]; do
    case $1 in
        --all)
            BUILD_ALL=true
            shift
            ;;
        --install-dir)
            INSTALL_DIR="$2"
            shift 2
            ;;
        *)
            echo "Unknown option: $1"
            exit 1
            ;;
    esac
done

# 编译函数
build_binary() {
    local OS=$1
    local ARCH=$2
    local OUTPUT="sylixos-uploader-${OS}-${ARCH}-${VERSION}"

    if [ "$OS" = "windows" ]; then
        OUTPUT+=".exe"
    fi

    GOOS=$OS GOARCH=$ARCH CGO_ENABLED=0 go build -o "$OUTPUT" -ldflags "-s -w -X 'sylixos-uploader/common.Version=$VERSION'"
    echo "Built: $OUTPUT"
}

# 默认只编译本地平台
if [ "$BUILD_ALL" = true ]; then
    echo "Building for all platforms..."
    PLATFORMS=(
        "linux amd64"
        "linux arm64"
        "windows amd64"
        "windows arm64"
        "darwin amd64"
        "darwin arm64"
        "sylixos arm64"
    )
    for PLATFORM in "${PLATFORMS[@]}"; do
        build_binary $PLATFORM
    done
else
    echo "Building for local platform..."
    HOSTOS=$(go env GOHOSTOS)
    HOSTARCH=$(go env GOHOSTARCH)
    build_binary $HOSTOS $HOSTARCH
fi

# 安装到指定目录
if [ -n "$INSTALL_DIR" ]; then
    mkdir -p "$INSTALL_DIR"
    BIN_NAME="sylixos-uploader-$(go env GOHOSTOS)-$(go env GOHOSTARCH)-${VERSION}"
    cp "$BIN_NAME" "$INSTALL_DIR/sylixos-uploader"
    echo "Installed to $INSTALL_DIR"
fi

exit 0