package model

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）— 精简版 v2
// 移除: kubectl(Dockerfile 预装)、helm(非核心)
// 新增: nvm(管理 Node 版本)、jdk(Java 构建)
// ============================================

// PredefinedTools 返回系统预置的工具配置列表
func PredefinedTools() []DeployTool {
	return []DeployTool{
		// ──── JDK — Java 构建 // Logan.Li ────
		{
			Name:           "jdk",
			DisplayName:    "JDK (Java)",
			Description:    "Java 开发工具包，流水线 Java/Maven 构建阶段使用",
			Category:       "build",
			InstallMethod:  ToolLazy,
			BinaryName:     "java",
			InstallPath:    "/usr/local/bin/java",
			CheckCommand:   "java -version 2>&1 | head -1",
			VersionURL:     "https://api.adoptium.net/v3/info/release_versions?heap_size=normal&image_type=jdk&page=0&page_size=1&project=jdk&release_type=ga&semver=false&sort_method=DEFAULT&sort_order=DESC&version=%5B17%2C99%5D",
			DownloadURL:    "https://github.com/adoptium/temurin17-binaries/releases/download/jdk-{version}/OpenJDK17U-jdk_x64_linux_hotspot_{version}.tar.gz",
			DefaultVersion: "17.0.13+7",
			InstallScript: `#!/bin/sh
# JDK lazy install — Temurin OpenJDK
JDK_VERSION="${TOOL_VERSION:-17.0.13+7}"
JDK_MAJOR=$(echo "$JDK_VERSION" | cut -d. -f1)
JDK_URL="https://github.com/adoptium/temurin${JDK_MAJOR}-binaries/releases/download/jdk-${JDK_VERSION}/OpenJDK${JDK_MAJOR}U-jdk_x64_linux_hotspot_${JDK_VERSION}.tar.gz"
echo "[JDK] Downloading ${JDK_VERSION}..."
cd /tmp
curl -sL "$JDK_URL" -o jdk.tar.gz
tar xzf jdk.tar.gz
mkdir -p /usr/local/share
mv jdk-${JDK_VERSION} /usr/local/share/jdk
ln -sf /usr/local/share/jdk/bin/java /usr/local/bin/java
ln -sf /usr/local/share/jdk/bin/javac /usr/local/bin/javac
ln -sf /usr/local/share/jdk/bin/jar /usr/local/bin/jar
rm -f jdk.tar.gz
echo "[JDK] Installed: $(java -version 2>&1 | head -1)"
`,
			SortOrder: 1,
		},
		// ──── Maven — Java 构建 // Logan.Li ────
		{
			Name:           "maven",
			DisplayName:    "Maven",
			Description:    "Java 项目构建工具，流水线 Java 构建阶段使用（依赖 JDK）",
			Category:       "build",
			InstallMethod:  ToolLazy,
			BinaryName:     "mvn",
			InstallPath:    "/usr/local/bin/mvn",
			CheckCommand:   "mvn --version 2>/dev/null",
			DownloadURL:    "https://dlcdn.apache.org/maven/maven-3/{version}/binaries/apache-maven-{version}-bin.tar.gz",
			VersionURL:     "https://dlcdn.apache.org/maven/maven-3/",
			DefaultVersion: "3.9.9",
			InstallScript: `#!/bin/sh
# Maven lazy install — download & extract
MAVEN_VERSION="${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: $(mvn --version 2>&1 | head -1)"
`,
			SortOrder: 2,
		},
		// ──── NVM — Node Version Manager // Logan.Li ────
		{
			Name:           "nvm",
			DisplayName:    "NVM (Node 版本管理)",
			Description:    "Node 版本管理器，流水线 Node.js 构建阶段使用（node 依赖此工具）",
			Category:       "build",
			InstallMethod:  ToolLazy,
			BinaryName:     "nvm",
			InstallPath:    "/usr/local/share/nvm/nvm.sh",
			CheckCommand:   "source /usr/local/share/nvm/nvm.sh 2>/dev/null && nvm --version 2>/dev/null",
			VersionURL:     "https://api.github.com/repos/nvm-sh/nvm/releases/latest",
			DefaultVersion: "0.40.1",
			InstallScript: `#!/bin/sh
# NVM lazy install
NVM_VERSION="${TOOL_VERSION:-0.40.1}"
NVM_DIR="/usr/local/share/nvm"
echo "[NVM] Downloading ${NVM_VERSION}..."
mkdir -p "$NVM_DIR"
curl -sL "https://raw.githubusercontent.com/nvm-sh/nvm/v${NVM_VERSION}/install.sh" | NVM_DIR="$NVM_DIR" bash
# Make available system-wide via profile.d
cat > /etc/profile.d/nvm.sh << 'NVM_PROFILE'
export NVM_DIR="/usr/local/share/nvm"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
[ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion"
NVM_PROFILE
chmod +x /etc/profile.d/nvm.sh
echo "[NVM] Installed: v${NVM_VERSION}"
`,
			SortOrder: 3,
		},
		// ──── Node.js — 通过 NVM 安装 // Logan.Li ────
		{
			Name:           "nodejs",
			DisplayName:    "Node.js + npm",
			Description:    "前端构建工具，流水线 npm install/build 阶段使用（通过 NVM 安装）",
			Category:       "build",
			InstallMethod:  ToolLazy,
			BinaryName:     "node",
			InstallPath:    "/usr/local/bin/node",
			CheckCommand:   "node --version 2>/dev/null",
			DefaultVersion: "v22.14.0",
			InstallScript: `#!/bin/sh
# Node.js via NVM install
NODE_VERSION="${TOOL_VERSION:-v22.14.0}"
echo "[Node.js] Installing via NVM ${NODE_VERSION}..."
export NVM_DIR="/usr/local/share/nvm"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
if ! command -v nvm >/dev/null 2>&1; then
  # NVM not found — install it first
  echo "[Node.js] NVM not found, installing NVM first..."
  curl -sL "https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.1/install.sh" | NVM_DIR="$NVM_DIR" bash
  \. "$NVM_DIR/nvm.sh"
fi
nvm install "${NODE_VERSION#v}"
nvm alias default "${NODE_VERSION#v}"
nvm use "${NODE_VERSION#v}"
# Symlink for system-wide access
ln -sf "$NVM_DIR/versions/node/$(nvm version)/bin/node" /usr/local/bin/node
ln -sf "$NVM_DIR/versions/node/$(nvm version)/bin/npm" /usr/local/bin/npm
ln -sf "$NVM_DIR/versions/node/$(nvm version)/bin/npx" /usr/local/bin/npx
npm config set registry https://registry.npmmirror.com
echo "[Node.js] Installed: $(node --version) / npm $(npm --version)"
`,
			SortOrder: 4,
		},
		// ──── Git — 版本控制（预装）// Logan.Li ────
		{
			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,
		},
		// ──── Docker CLI — 容器构建（预装）// Logan.Li ────
		{
			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,
		},
	}
}