package errors

import (
	"errors"
	"fmt"
	"path/filepath"
)

var ErrCacheUninitialized = errors.New("the route cache is uninitialized")

type ErrRouteNotFound struct {
	n string
}

func (e ErrRouteNotFound) Error() string {
	return "route not found: " + string(e.n)
}

func NewErrRouteNotFound(n string) error {
	return &ErrRouteNotFound{n: n}
}

type ErrBadgerInit struct {
	baseDir string
	subDir  string
}

func (e ErrBadgerInit) Error() string {
	if e.subDir == "" {
		return fmt.Sprintf("failed to initialize badger store at base directory: %s", e.baseDir)
	}

	return fmt.Sprintf("failed to initialize badger store at directory: %s", filepath.Join(e.baseDir, e.subDir))
}

func NewErrBadgerInit(baseDir, subDir string) error {
	return &ErrBadgerInit{baseDir: baseDir, subDir: subDir}
}

type ContextAwareErr struct {
	base    error
	current error
}

func NewContextAwareErr(base, e error) ContextAwareErr {
	return ContextAwareErr{base: base, current: e}
}

func (e ContextAwareErr) Error() string {
	return fmt.Sprintf(`%s: %s`, e.base, e.current)
}