package profile

import "fmt"

// TemplateName 模板类型
type TemplateName string

const (
	TemplateMinimal  TemplateName = "minimal"  // 最小环境：仅运行时 + 包管理器
	TemplateStandard TemplateName = "standard" // 标准环境：常用开发工具
	TemplateFull     TemplateName = "full"     // 完整环境：含敏感数据和字体
)

// ValidTemplateNames 返回所有合法的模板名称
func ValidTemplateNames() []TemplateName {
	return []TemplateName{TemplateMinimal, TemplateStandard, TemplateFull}
}

// IsValidTemplateName 检查模板名是否合法
func IsValidTemplateName(name string) bool {
	switch TemplateName(name) {
	case TemplateMinimal, TemplateStandard, TemplateFull:
		return true
	}
	return false
}

// NewFromTemplate 根据模板类型创建 Profile
// name 为 Profile 名称，tmpl 为模板类型
func NewFromTemplate(name string, tmpl TemplateName) (*Profile, error) {
	switch tmpl {
	case TemplateMinimal:
		return newMinimal(name), nil
	case TemplateStandard:
		return newStandard(name), nil
	case TemplateFull:
		return newFull(name), nil
	default:
		return nil, fmt.Errorf("未知模板类型: %q，可选值: minimal, standard, full", tmpl)
	}
}

// ----------------------------------------------------------------
// minimal 模板 — 仅运行时 + 包管理器
// ----------------------------------------------------------------

func newMinimal(name string) *Profile {
	return &Profile{
		Name:        name,
		Description: "最小环境配置 — 仅包含编程语言运行时和包管理器",
		Version:     CurrentVersion,
		Collectors: CollectorConfig{
			Enabled: []string{
				"go",
				"node",
				"python",
				"scoop",
			},
			Disabled: []string{
				"ssh",
				"font",
			},
		},
		Settings: map[string]SettingMap{
			"go": {
				"include_tools": true,
			},
			"node": {
				"include_global_packages": true,
				"exclude_packages":        []string{"npm"},
			},
			"scoop": {
				"include_buckets": true,
			},
		},
	}
}

// ----------------------------------------------------------------
// standard 模板 — 常用开发工具
// ----------------------------------------------------------------

func newStandard(name string) *Profile {
	return &Profile{
		Name:        name,
		Description: "标准开发环境配置 — 包含常用运行时、编辑器、Shell 和 Git",
		Version:     CurrentVersion,
		Collectors: CollectorConfig{
			Enabled: []string{
				"go",
				"node",
				"python",
				"vscode",
				"powershell",
				"scoop",
				"git",
			},
			Disabled: []string{
				"ssh",
				"font",
				"env",
			},
		},
		Settings: map[string]SettingMap{
			"go": {
				"include_tools": true,
				"tools_filter":  []string{"gopls", "dlv", "staticcheck", "goimports"},
			},
			"node": {
				"include_global_packages": true,
				"exclude_packages":        []string{"npm"},
			},
			"vscode": {
				"include_settings":    true,
				"include_keybindings": true,
				"include_snippets":    true,
				"exclude_extensions":  []string{"ms-vscode.remote-*"},
			},
			"powershell": {
				"include_profile": true,
				"include_modules": true,
			},
			"scoop": {
				"include_buckets": true,
			},
			"git": {
				"include_aliases":  true,
				"skip_credentials": true,
			},
		},
	}
}

// ----------------------------------------------------------------
// full 模板 — 完整环境（含敏感数据和字体）
// ----------------------------------------------------------------

func newFull(name string) *Profile {
	return &Profile{
		Name:        name,
		Description: "完整环境配置 — 包含所有采集器，含环境变量、加密密钥和字体",
		Version:     CurrentVersion,
		Collectors: CollectorConfig{
			Enabled:  []string{}, // 空列表 = 启用全部
			Disabled: []string{}, // 无禁用
		},
		Settings: map[string]SettingMap{
			"go": {
				"include_tools": true,
			},
			"node": {
				"include_global_packages": true,
				"exclude_packages":        []string{"npm"},
			},
			"vscode": {
				"include_settings":    true,
				"include_keybindings": true,
				"include_snippets":    true,
			},
			"powershell": {
				"include_profile": true,
				"include_modules": true,
			},
			"scoop": {
				"include_buckets":  true,
				"exclude_packages": []string{},
			},
			"git": {
				"include_aliases":  true,
				"skip_credentials": true,
			},
			"env": {
				"include_patterns": []string{
					"GOPATH", "GOROOT", "GOPROXY",
					"JAVA_HOME",
					"NODE_*",
					"PYTHON*",
					"CARGO_HOME", "RUSTUP_HOME",
				},
				"exclude_patterns": []string{
					"*SECRET*", "*TOKEN*", "*PASSWORD*", "*KEY*", "*CREDENTIAL*",
				},
			},
			"ssh": {
				"encrypt": true,
			},
			"font": {
				"formats": []string{".ttf", ".otf"},
			},
		},
	}
}

// TemplateDescription 返回模板的简短描述
func TemplateDescription(tmpl TemplateName) string {
	switch tmpl {
	case TemplateMinimal:
		return "最小环境 — 仅运行时和包管理器 (go, node, python, scoop)"
	case TemplateStandard:
		return "标准环境 — 常用开发工具 (+ vscode, powershell, git)"
	case TemplateFull:
		return "完整环境 — 所有采集器 (+ env, ssh, font)"
	default:
		return "未知模板"
	}
}