gitlink-cli/shortcuts/workflow/rules/init_scaffold.go

package rules

import (
	"crypto/md5"
	"encoding/base64"
	"fmt"
	"regexp"
	"strings"
	"time"
	"unicode"
	"unicode/utf8"

	"github.com/gitlink-org/gitlink-cli/shortcuts/workflow"
)

const mitLicense = `MIT License

Copyright (c) %d

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
`

const gitignoreGo = `# Binaries
*.exe
*.exe~
*.dll
*.so
*.dylib
bin/
dist/

# Test binary
*.test

# Output of go coverage
*.out

# Go workspace
go.work

# IDE
.idea/
.vscode/
*.swp
*.swo

# OS
.DS_Store
Thumbs.db

# Env
.env
.env.local
`

type labelDef struct{ Name, Color string }

var defaultLabels = []labelDef{
	{"bug", "#d73a4a"},
	{"enhancement", "#a2eeef"},
	{"documentation", "#0075ca"},
	{"good first issue", "#7057ff"},
	{"question", "#d876e3"},
	{"duplicate", "#cfd3d7"},
	{"wontfix", "#ffffff"},
}

var defaultIssueTemplates = []struct {
	Title string
	Body  string
}{
	{
		"项目初始化",
		"# 项目初始化\n\n完成仓库基本配置和代码框架搭建。\n\n- [ ] README 文档\n- [ ] LICENSE 文件\n- [ ] .gitignore 配置\n- [ ] CI/CD 流水线",
	},
	{
		"代码框架搭建",
		"# 代码框架搭建\n\n搭建项目基本目录结构和核心代码框架。\n\n- [ ] 项目目录结构\n- [ ] 入口文件\n- [ ] 核心模块骨架",
	},
	{
		"首个版本发布 v0.1.0",
		"# v0.1.0 发布准备\n\n完成首个可用版本的开发和测试。\n\n- [ ] 核心功能开发\n- [ ] 单元测试\n- [ ] 发布说明",
	},
}

// InitScaffoldRule creates a new repository and initializes it with standard
// project scaffolding based on a user-supplied description.
//
// Upstream keys used:
//
//	_desc  — project description (generates repo name + README)
//	_repo  — explicit repo name (overrides auto-generation)
//	_owner — repository owner
func InitScaffoldRule(upstream map[string]interface{}, stepName string) (*workflow.AIResponse, error) {
	desc := str(upstream, "_desc")
	owner := str(upstream, "_owner")
	repo := str(upstream, "_repo")

	if owner == "" {
		return nil, fmt.Errorf("missing _owner in upstream")
	}

	// Generate repo name from description if not explicitly provided.
	if repo == "" && desc != "" {
		repo = deriveRepoName(desc)
	}
	if repo == "" {
		repo = "new-project"
	}

	// Generate README from description.
	readme := fmt.Sprintf("# %s\n\n%s\n", repo, desc)
	if desc == "" {
		readme = fmt.Sprintf("# %s\n\nProject description.\n", repo)
	}

	projectDesc := desc
	if projectDesc == "" {
		projectDesc = repo
	}

	var actions []workflow.AIAction

	// 1. Create the repository via CLI (handles user_id resolution internally).
	actions = append(actions, workflow.AIAction{
		Type: "cli", Module: "repo", Command: "+create",
		Args: map[string]string{
			"name":        repo,
			"description": projectDesc,
		},
	})

	// 2. README.md
	actions = append(actions, workflow.AIAction{
		Type: "api", Method: "POST",
		Path: "{base}/create_file",
		Body: map[string]interface{}{
			"filepath": "README.md",
			"content":  base64.StdEncoding.EncodeToString([]byte(readme)),
			"message":  "docs: add README.md",
			"branch":   "master",
		},
	})

	// 3. LICENSE (MIT)
	license := fmt.Sprintf(mitLicense, time.Now().Year())
	actions = append(actions, workflow.AIAction{
		Type: "api", Method: "POST",
		Path: "{base}/create_file",
		Body: map[string]interface{}{
			"filepath": "LICENSE",
			"content":  base64.StdEncoding.EncodeToString([]byte(license)),
			"message":  "docs: add MIT LICENSE",
			"branch":   "master",
		},
	})

	// 4. .gitignore
	actions = append(actions, workflow.AIAction{
		Type: "api", Method: "POST",
		Path: "{base}/create_file",
		Body: map[string]interface{}{
			"filepath": ".gitignore",
			"content":  base64.StdEncoding.EncodeToString([]byte(gitignoreGo)),
			"message":  "chore: add .gitignore",
			"branch":   "master",
		},
	})

	// 5. Default labels.
	for _, l := range defaultLabels {
		actions = append(actions, workflow.AIAction{
			Type: "api", Method: "POST",
			Path: "{v1}/issue_tags",
			Body: map[string]interface{}{
				"name":  l.Name,
				"color": l.Color,
			},
		})
	}

	// 6. Initial milestone: v0.1.0, due 3 months from now.
	due := time.Now().AddDate(0, 3, 0).Format("2006-01-02")
	actions = append(actions, workflow.AIAction{
		Type: "api", Method: "POST",
		Path: "{v1}/milestones",
		Body: map[string]interface{}{
			"name":           "v0.1.0",
			"description":    "首个版本发布",
			"effective_date": due,
		},
	})

	// 7. Initial issues.
	for _, tpl := range defaultIssueTemplates {
		actions = append(actions, workflow.AIAction{
			Type: "api", Method: "POST",
			Path: "{v1}/issues",
			Body: map[string]interface{}{
				"subject":     tpl.Title,
				"description": tpl.Body,
				"status_id":   1, // open
				"priority_id": 2, // normal
				"done_ratio":  0,
			},
		})
	}

	analysis := map[string]interface{}{
		"repo":               fmt.Sprintf("%s/%s", owner, repo),
		"description":        projectDesc,
		"files_created":      3,
		"labels_created":     len(defaultLabels),
		"milestones_created": 1,
		"issues_created":     len(defaultIssueTemplates),
		"summary": fmt.Sprintf(
			"仓库 %s/%s 创建完成：%d 个文件，%d 个标签，%d 个里程碑，%d 个 Issue",
			owner, repo, 3, len(defaultLabels), 1, len(defaultIssueTemplates),
		),
	}

	return &workflow.AIResponse{Analysis: analysis, Actions: actions}, nil
}

// deriveRepoName generates a short ASCII repo name from a description.
// GitLink only allows ASCII letters, digits, underscores, hyphens, and dots
// in repo identifiers — Chinese characters are rejected by the API.
func deriveRepoName(desc string) string {
	// 1. Extract English words first (handles mixed Chinese-English descriptions).
	engWords := extractEnglishWords(desc)
	if len(engWords) >= 2 {
		return strings.ToLower(strings.Join(engWords[:min(3, len(engWords))], "-"))
	}
	if len(engWords) == 1 {
		return strings.ToLower(engWords[0])
	}

	// 2. Strip non-ASCII characters, then sanitize what remains.
	ascii := strings.Map(func(r rune) rune {
		if r < 128 {
			return r
		}
		return -1
	}, desc)
	ascii = strings.TrimSpace(ascii)
	ascii = strings.ToLower(ascii)
	ascii = regexp.MustCompile(`[^a-z0-9]+`).ReplaceAllString(ascii, "-")
	ascii = strings.Trim(ascii, "-")

	if len(ascii) >= 2 {
		if len(ascii) > 30 {
			ascii = ascii[:30]
		}
		return ascii
	}

	// 3. No usable ASCII content — use a stable hash-based name.
	h := md5.Sum([]byte(desc))
	return fmt.Sprintf("project-%x", h[:4])
}

func extractEnglishWords(s string) []string {
	re := regexp.MustCompile(`[a-zA-Z][a-zA-Z0-9]*`)
	words := re.FindAllString(s, -1)
	// Filter out common stop words.
	stop := map[string]bool{
		"a": true, "an": true, "the": true, "is": true, "are": true,
		"for": true, "of": true, "to": true, "in": true, "and": true,
		"or": true, "it": true, "on": true, "at": true, "by": true,
	}
	var result []string
	for _, w := range words {
		if len(w) >= 2 && !stop[strings.ToLower(w)] {
			result = append(result, w)
		}
	}
	return result
}

func extractChinese(s string) string {
	var result []rune
	for _, r := range s {
		if unicode.Is(unicode.Han, r) {
			result = append(result, r)
		}
	}
	if len(result) == 0 {
		return ""
	}
	// Return at most 10 Chinese characters.
	if len(result) > 10 {
		result = result[:10]
	}
	return string(result)
}

func min(a, b int) int {
	_ = utf8.RuneLen('a') // ensure unicode/utf8 import is used
	if a < b {
		return a
	}
	return b
}