package types

import (
	"strings"
)

// ByName returns the type with the given name or `nil` if it doesn't exist.
func ByName(name string, pkg string, structs map[string]*Struct) Type {
	if strings.HasPrefix(name, "*") {
		to := strings.TrimPrefix(name, "*")
		return &Pointer{To: ByName(to, pkg, structs)}
	}

	switch name {
	case "Int":
		return Int
	case "Int64":
		return Int64
	case "Int32":
		return Int32
	case "Int16":
		return Int16
	case "Int8":
		return Int8
	case "Float":
		return Float
	case "Float64":
		return Float64
	case "Float32":
		return Float32
	case "Pointer":
		return PointerAny
	}

	return structs[pkg+"."+name]
}