#!/bin/bash

# ARM 交叉編譯工具安裝腳本
# 支援 Ubuntu/Debian 系統

set -e

echo "🔧 NTAG424 ARM 交叉編譯工具安裝腳本"
echo "========================================"
echo ""

# 檢查系統類型
if [[ -f /etc/debian_version ]]; then
    DISTRO="debian"
    echo "檢測到 Debian/Ubuntu 系統"
elif [[ -f /etc/redhat-release ]]; then
    DISTRO="redhat"
    echo "檢測到 RedHat/CentOS 系統"
else
    echo "❌ 不支援的系統類型"
    echo "請手動安裝 ARM 交叉編譯工具"
    exit 1
fi

echo ""
echo "將安裝以下交叉編譯工具："
echo "- gcc-aarch64-linux-gnu    (ARM 64-bit)"
echo "- gcc-arm-linux-gnueabihf  (ARM 32-bit 硬浮點)"
echo "- gcc-arm-linux-gnueabi    (ARM 32-bit 軟浮點)"
echo ""

read -p "繼續安裝? [y/N]: " confirm
if [[ "$confirm" != "y" && "$confirm" != "Y" ]]; then
    echo "取消安裝"
    exit 0
fi

echo ""
echo "🚀 開始安裝..."

if [[ "$DISTRO" == "debian" ]]; then
    echo "更新套件列表..."
    sudo apt update
    
    echo "安裝 ARM 交叉編譯工具..."
    sudo apt install -y \
        gcc-aarch64-linux-gnu \
        gcc-arm-linux-gnueabihf \
        gcc-arm-linux-gnueabi \
        build-essential
        
elif [[ "$DISTRO" == "redhat" ]]; then
    echo "安裝 EPEL repository..."
    sudo yum install -y epel-release || sudo dnf install -y epel-release
    
    echo "安裝 ARM 交叉編譯工具..."
    sudo yum install -y \
        gcc-aarch64-linux-gnu \
        gcc-arm-linux-gnu || \
    sudo dnf install -y \
        gcc-aarch64-linux-gnu \
        gcc-arm-linux-gnu
fi

echo ""
echo "✅ 安裝完成！"
echo ""

echo "🔍 驗證安裝..."
make check-cross-tools

echo ""
echo "🎉 所有工具安裝成功！"
echo ""
echo "現在你可以使用以下命令編譯 ARM 版本："
echo "  make arm64        # ARM 64-bit 動態版本"
echo "  make arm64-static # ARM 64-bit 靜態版本 (推薦)"
echo "  make arm32        # ARM 32-bit 動態版本"
echo "  make arm32-static # ARM 32-bit 靜態版本 (推薦)"
echo "  make armel        # ARM 軟浮點版本"
echo ""
echo "詳細說明請參考: ARM_BUILD_GUIDE.md"