#!/bin/sh


# 显示欢迎信息
welcome () {
    echo "==欢迎使用machete_installer=="
    echo "本脚本为开源项目，网址：https://git.filesite.io/filesite/machete_installer"
    echo "它将指引并安装docker desktop和machete的docker镜像"
    echo "并完成machete的基本配置，在你的电脑上创建两个网站，一个管理图片，一个管理视频"
    echo ""
}

# 获取mac mini的cpu芯片型号信息
getCpuInfo () {
    cpu_info=`sysctl -n machdep.cpu.brand_string`
    echo "你的电脑芯片型号：${cpu_info}"
}

# 获取电脑cpu类型
# 返回值：1 = intel芯片，2 = 苹果芯片
getCpuType () {
    cpu_info=`sysctl -n machdep.cpu.brand_string`

    if [[ $cpu_info == *"Intel"* ]]; then
        return 1    #intel芯片
    fi

    return 2    #默认为苹果芯片
}

# 检测是否已经安装了docker
# 返回值：0 - 未安装，1 - 已安装
detectDockerInstalled () {
    if [ command -v docker > /dev/null ]; then
        return 1
    fi

    return 0
}

# 检测docker desktop是否启动
# 返回值：0 - 未启动，1 - 已启动
detectDockerStarted () {
    res=`docker images | grep -v grep | grep "IMAGE ID" | wc -l`
    if [ $res -gt 0 ]; then
        return 1
    fi

    return 0
}

# 检测域名是否能连接
# 返回值：0 - 不能连接，1 - 可连接
detectDomainCanConnect () {
    domain=$1
    if [ -z "${domain}" ]; then
        echo "Usage: detectDomainCanConnect domain"
        exit 1
    fi

    ping_res=`ping -c 3 "${domain}"`
    if [[ $ping_res == *"100.0% packet loss"* ]]; then
        return 0
    fi

    return 1
}

# 获取docker desktop下载地址
# 参数：connect_res，可选值：[0, 1]
getDockerDesktopDownloadUrl () {
    getCpuType
    cup_type=$?

    dmgLink_docker="https://desktop.docker.com/mac/main/arm64/Docker.dmg"
    dmgLink="https://static.jialuoma.cn/docker_desktop/arm64.dmg"

    if [ $cup_type -eq 1 ]; then
        dmgLink_docker="https://desktop.docker.com/mac/main/amd64/Docker.dmg"
        dmgLink="https://static.jialuoma.cn/docker_desktop/amd64.dmg"
    fi

    connect_res=$1
    if [ $connect_res -eq 0 ]; then
        echo "${dmgLink}"
    else
        #原网址
        echo "${dmgLink_docker}"
    fi
}

# 下载docker desktop
downloadDockerDesktop () {
    link=$1
    if [ -z "${link}" ]; then
        echo "Usage: downloadDockerDesktop url"
        exit 1
    fi

    echo "docker desktop下载链接：${link}"
    echo "即将在浏览器中打开docker desktop的下载链接并开始下载"
    echo "请在docker desktop下载完成后，双击打开安装"
    open "${link}"
}


# 安装docker desktop和machete
welcome

detectDockerInstalled
docker_installed=$?

if [ $docker_installed -eq 0 ]; then
    getCpuInfo
    getCpuType
    detect_domain='https://desktop.docker.com'
    echo "正在检测是否能连接[${detect_domain}]，请稍后..."
    detectDomainCanConnect "${detect_domain}"
    connect_res=$?
    if [ $connect_res -eq 0 ]; then
        echo "⚠️⚠️"
        echo "当前网络无法连接[${detect_domain}]，即将从备用网址下载docker desktop，预计耗时 30 分钟"
        echo "如果你已经下载过docker desktop，请复制到当前电脑直接安装"
        read -p "确认继续下载？(Y/N): " confirm
        if [[ $confirm == [yY] || $confirm == [yY][eE][sS] ]]; then
            link=`getDockerDesktopDownloadUrl $connect_res`
            downloadDockerDesktop "${link}"
        fi
    fi

    echo "如果你已经安装完成，请按Y继续安装machete镜像"
    read -p "docker desktop已安装，继续？(Y/N): " confirm && [[ $confirm == [yY] || $confirm == [yY][eE][sS] ]] || exit 1

    detectDockerInstalled
    docker_installed=$?
    if [ $docker_installed -eq 0 ]; then
        echo "⚠️⚠️⚠️"
        echo "命令行检测不到docker，请确认docker desktop已经安装"
        echo "如果docker desktop已经安装，请关闭当前termina窗口重新打开命令行终端窗口，重新执行此安装脚本"
        exit 1
    fi
fi

detectDockerStarted
docker_started=$?
if [ $docker_started -eq 0 ]; then
    echo "⚠️⚠️"
    echo "请双击docker图标启动docker desktop，再继续下一步"
    read -p "已经启动docker desktop，继续安装？(Y/N): " confirm && [[ $confirm == [yY] || $confirm == [yY][eE][sS] ]] || exit 1
fi

echo ""
echo "正在为你安装machete镜像..."
echo ""