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package main
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import (
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"embed"
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"fmt"
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"path/filepath"
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"strings"
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)
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const (
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templatesPath = "templates"
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)
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//go:embed templates/*
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var embedFS embed.FS
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// map template name with filename
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// always use upercase for license name
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var templates = map[string]templateInfo{
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"MIT": {
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filename: "mit.txt",
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args: []string{
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"[year]",
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"[fullname]",
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},
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},
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}
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type templateInfo struct {
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filename string
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args []string
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}
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func generateLicense(name string) (string, error) {
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if name == "" {
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return "", fmt.Errorf("empty license name")
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}
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name = strings.ToUpper(name)
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templateInfo, ok := templates[name]
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if !ok {
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return "", fmt.Errorf("not support license %s", name)
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}
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// Get correct path of license
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path := filepath.Join(templatesPath, templateInfo.filename)
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// Read template
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templateRaw, err := embedFS.ReadFile(path)
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if err != nil {
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return "", fmt.Errorf("failed to read file %s: %w", path, err)
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}
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// Replace template
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template := string(templateRaw)
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for _, arg := range templateInfo.args {
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fmt.Printf("What is your %s: ", arg)
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value := readStdin()
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template = strings.ReplaceAll(template, arg, value)
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}
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return template, nil
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}
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