shell

type EnvStatus struct {
	Added    []string
	Replaced []string
}

type Environment struct {
	LoadedFrom string
	Variables  map[string]ReplaceValue
}

type GenerateContext struct {
	SessionFolder string
	ShellID       string
	SessionID     string
}

type ReplaceValue struct {
	New string
	Old string
}

type Script struct {
	Content []byte
}

type ScriptGenerator interface {
	Ctx() GenerateContext
	AddEnvironmentVariable(name string, value string) []byte
	RemoveEnvironmentVariable(name string) []byte
	AddToPath(path string) []byte
	RemoveFromPath(path string) []byte
	SaveScript(script []byte, path string) error
	AppendToScript(script []byte, path string) error
	PrependToScript(script []byte, path string) error
	ScriptExists(path string) bool
	AddComment(comment string)
	ScriptExtension() string

	UnloadEnvironment(env *Environment)
	LoadEnvironment(env *Environment)
	Script() string
}

type Shell interface {
	ID() string
	Name() string
	SessionFolder() string

	Init() error

	SaveEnvironment(*Environment) error
	LoadEnvironment() *Environment

	ScriptGenerator() ScriptGenerator
}

type Status struct {
	Env *Environment
}