package service

import (
	"go/ast"
)

func handleValueSpec(spec ast.Spec) string {
	s := spec.(*ast.ValueSpec)
	code := ""
	code += handleValueSpecType(s.Type)
	code += " "
	code += handleValueSpecNames(s.Names)
	if s.Values != nil {
		code += " = "
		code += handleValueSpecValues(s.Values)
	}
	return code
}

func handleValueSpecNames(names []*ast.Ident) string {
	code := ""
	for _, name := range names {
		code += handleIdent(name)
	}
	return code
}

func handleValueSpecType(expr ast.Expr) string {
	code := ""
	switch t := expr.(type) {
	case *ast.SelectorExpr:
		code += handleSelectorExpr(t)
	case *ast.Ident:
		code += handleIdent(t)
	}
	return code
}

func handleValueSpecValues(values []ast.Expr) string {
	code := ""
	for _, value := range values {
		switch v := value.(type) {
		case *ast.BasicLit:
			code += handleBasicLit(v)
		case *ast.BinaryExpr:
			code += handleBinaryExpr(v)
		case *ast.SelectorExpr:
			code += handleSelectorExpr(value)
		case *ast.CallExpr:
			code += handleCallExpr(v)
		}
	}
	return code
}