package codegen

import (
	"fmt"
	"strings"

	"git.kmsign.com/royalcat/repogen/internal/code"
)

const baseTemplate = `// Code generated by {{.Program}}. DO NOT EDIT.
package {{.PackageName}}

import (
{{.GenImports}}
)
`

type baseTemplateData struct {
	Program     string
	PackageName string
	Imports     [][]code.Import
}

func (data baseTemplateData) GenImports() string {
	var sections []string
	for _, importSection := range data.Imports {
		var section []string
		for _, imp := range importSection {
			section = append(section, data.generateImportLine(imp))
		}
		sections = append(sections, strings.Join(section, "\n"))
	}
	return strings.Join(sections, "\n\n")
}

func (data baseTemplateData) generateImportLine(imp code.Import) string {
	if imp.Name == "" {
		return fmt.Sprintf("\t\"%s\"", imp.Path)
	}
	return fmt.Sprintf("\t%s \"%s\"", imp.Name, imp.Path)
}