package models

import "time"

// ============================================
// DeployTool 工具配置（懒加载/预装/禁用）
// 按 deploy_ 前缀，与 PipelineRepo/Registry 同属发布配置域
// ============================================

// ToolInstallMethod 安装方式
type ToolInstallMethod string

const (
	ToolPreinstall ToolInstallMethod = "preinstall" // 预装在 Dockerfile 中
	ToolLazy       ToolInstallMethod = "lazy"       // 懒加载：首次使用时自动下载
	ToolDisabled   ToolInstallMethod = "disabled"   // 禁用：不安装
)

// ToolStatus 安装状态
type ToolStatus string

const (
	ToolNotInstalled ToolStatus = "not_installed" // 未安装
	ToolInstalling   ToolStatus = "installing"    // 安装中
	ToolInstalled    ToolStatus = "installed"     // 已安装
	ToolFailed       ToolStatus = "failed"        // 安装失败
)

// DeployTool 工具配置表
type DeployTool struct {
	ID             uint              `gorm:"primaryKey;autoIncrement;comment:主键ID" json:"id"`
	Name           string            `gorm:"type:varchar(64);uniqueIndex;not null;comment:工具名称(英文标识)" json:"name"`
	DisplayName    string            `gorm:"type:varchar(128);not null;comment:显示名称" json:"display_name"`
	Description    string            `gorm:"type:varchar(256);comment:工具描述" json:"description,omitempty"`
	Category       string            `gorm:"type:varchar(32);default:other;comment:分类: k8s/build/deploy/automation" json:"category"`
	InstallMethod  ToolInstallMethod `gorm:"type:varchar(16);default:lazy;comment:安装方式: preinstall/lazy/disabled" json:"install_method"`
	CheckCommand   string            `gorm:"type:varchar(256);comment:检测命令(如 kubectl version --client)" json:"check_command,omitempty"`
	BinaryName     string            `gorm:"type:varchar(64);comment:二进制文件名(如 kubectl/mvn/node)" json:"binary_name,omitempty"`
	InstallPath    string            `gorm:"type:varchar(256);comment:安装目标路径(如 /usr/local/bin)" json:"install_path,omitempty"`
	DownloadURL    string            `gorm:"type:varchar(512);comment:下载地址模板(支持 {version})" json:"download_url,omitempty"`
	VersionURL     string            `gorm:"type:varchar(512);comment:版本查询地址(如 stable.txt)" json:"version_url,omitempty"`
	InstallScript  string            `gorm:"type:text;comment:自定义安装脚本(Shell)" json:"install_script,omitempty"`
	DefaultVersion string            `gorm:"type:varchar(32);comment:默认版本号" json:"default_version,omitempty"`
	Status         ToolStatus        `gorm:"type:varchar(16);default:not_installed;comment:当前安装状态" json:"status"`
	InstalledVer   string            `gorm:"type:varchar(128);comment:已安装版本号" json:"installed_version,omitempty"`
	LastCheck      *time.Time        `gorm:"comment:最后检测时间" json:"last_check,omitempty"`
	ErrorMsg       string            `gorm:"type:varchar(512);comment:安装失败原因" json:"error_msg,omitempty"`
	Enabled        bool              `gorm:"default:true;comment:是否启用" json:"enabled"`
	SortOrder      int               `gorm:"default:0;comment:排序" json:"sort_order"`
	CreatedAt      time.Time         `gorm:"not null;comment:创建时间" json:"created_at"`
	UpdatedAt      time.Time         `gorm:"not null;comment:更新时间" json:"updated_at"`
}

// TableName 表名
func (DeployTool) TableName() string {
	return "deploy_tools"
}

// ============================================
// 预置工具定义（Seeder）
// ============================================

// PredefinedTools 返回系统预置的工具配置列表
func PredefinedTools() []DeployTool {
	return []DeployTool{
		{
			Name:           "kubectl",
			DisplayName:    "Kubectl",
			Description:    "Kubernetes 命令行工具，用于 K8s 集群交互（已预装在镜像中）",
			Category:       "k8s",
			InstallMethod:  ToolPreinstall,
			BinaryName:     "kubectl",
			InstallPath:    "/usr/local/bin/kubectl",
			CheckCommand:   "kubectl version --client --short 2>/dev/null || kubectl version --client 2>/dev/null",
			VersionURL:     "https://dl.k8s.io/release/stable.txt",
			DownloadURL:    "https://dl.k8s.io/release/{version}/bin/linux/amd64/kubectl",
			DefaultVersion: "v1.32.0",
			SortOrder:      1,
		},
		{
			Name:           "maven",
			DisplayName:    "Maven",
			Description:    "Java 项目构建工具，流水线 Java 构建阶段使用",
			Category:       "build",
			InstallMethod:  ToolLazy,
			BinaryName:     "mvn",
			InstallPath:    "/usr/local/bin/mvn",
			CheckCommand:   "mvn --version 2>/dev/null",
			DownloadURL:    "https://dlcdn.apache.org/maven/maven-3/{version}/binaries/apache-maven-{version}-bin.tar.gz",
			VersionURL:     "https://dlcdn.apache.org/maven/maven-3/",
			DefaultVersion: "3.9.9",
			InstallScript: `#!/bin/sh
# Maven lazy install — download & extract
MAVEN_VERSION="${TOOL_VERSION:-3.9.9}"
MAVEN_URL="https://dlcdn.apache.org/maven/maven-3/${MAVEN_VERSION}/binaries/apache-maven-${MAVEN_VERSION}-bin.tar.gz"
echo "[Maven] Downloading ${MAVEN_VERSION}..."
cd /tmp
curl -sL "$MAVEN_URL" -o maven.tar.gz
tar xzf maven.tar.gz
mkdir -p /usr/local/share
mv apache-maven-${MAVEN_VERSION} /usr/local/share/maven
ln -sf /usr/local/share/maven/bin/mvn /usr/local/bin/mvn
rm -f maven.tar.gz
echo "[Maven] Installed: $(mvn --version 2>&1 | head -1)"
			`,
			SortOrder: 2,
		},
		{
			Name:           "nodejs",
			DisplayName:    "Node.js + npm",
			Description:    "前端构建工具，流水线 npm install/build 阶段使用",
			Category:       "build",
			InstallMethod:  ToolLazy,
			BinaryName:     "node",
			InstallPath:    "/usr/local/bin/node",
			CheckCommand:   "node --version 2>/dev/null",
			DownloadURL:    "https://nodejs.org/dist/{version}/node-{version}-linux-x64.tar.xz",
			VersionURL:     "https://nodejs.org/dist/latest-v22.x/",
			DefaultVersion: "v22.14.0",
			InstallScript: `#!/bin/sh
# Node.js lazy install — download & extract
NODE_VERSION="${TOOL_VERSION:-v22.14.0}"
NODE_URL="https://nodejs.org/dist/${NODE_VERSION}/node-${NODE_VERSION}-linux-x64.tar.xz"
echo "[Node.js] Downloading ${NODE_VERSION}..."
cd /tmp
curl -sL "$NODE_URL" -o node.tar.xz
tar xJf node.tar.xz
mkdir -p /usr/local/share
mv node-${NODE_VERSION}-linux-x64 /usr/local/share/node
ln -sf /usr/local/share/node/bin/node /usr/local/bin/node
ln -sf /usr/local/share/node/bin/npm /usr/local/bin/npm
ln -sf /usr/local/share/node/bin/npx /usr/local/bin/npx
rm -f node.tar.xz
npm config set registry https://registry.npmmirror.com
echo "[Node.js] Installed: $(node --version) / npm $(npm --version)"
			`,
			SortOrder: 3,
		},
		{
			Name:           "helm",
			DisplayName:    "Helm",
			Description:    "Kubernetes 包管理工具，Chart 部署使用",
			Category:       "k8s",
			InstallMethod:  ToolLazy,
			BinaryName:     "helm",
			InstallPath:    "/usr/local/bin/helm",
			CheckCommand:   "helm version --short 2>/dev/null",
			VersionURL:     "https://get.helm.sh/",
			DownloadURL:    "https://get.helm.sh/helm-{version}-linux-amd64.tar.gz",
			DefaultVersion: "v3.16.0",
			InstallScript: `#!/bin/sh
# Helm lazy install — download & extract
HELM_VERSION="${TOOL_VERSION:-v3.16.0}"
HELM_URL="https://get.helm.sh/helm-${HELM_VERSION}-linux-amd64.tar.gz"
echo "[Helm] Downloading ${HELM_VERSION}..."
cd /tmp
curl -sL "$HELM_URL" -o helm.tar.gz
tar xzf helm.tar.gz
mv linux-amd64/helm /usr/local/bin/helm
rm -rf helm.tar.gz linux-amd64
echo "[Helm] Installed: $(helm version --short 2>&1)"
			`,
			SortOrder: 4,
		},
		{
			Name:           "git",
			DisplayName:    "Git",
			Description:    "版本控制工具，流水线代码拉取使用",
			Category:       "build",
			InstallMethod:  ToolPreinstall,
			BinaryName:     "git",
			InstallPath:    "/usr/bin/git",
			CheckCommand:   "git --version 2>/dev/null",
			SortOrder:      5,
		},
		{
			Name:           "docker-cli",
			DisplayName:    "Docker CLI",
			Description:    "Docker 命令行工具，流水线镜像构建/推送使用",
			Category:       "deploy",
			InstallMethod:  ToolPreinstall,
			BinaryName:     "docker",
			InstallPath:    "/usr/bin/docker",
			CheckCommand:   "docker --version 2>/dev/null",
			SortOrder:      6,
		},
	}
}