package sdk

import (
	"context"
	"fmt"
	"github.com/mailru/easyjson"
	"golang.org/x/exp/slog"
	"io"
	"time"
)

type Category string

func (t Category) String() string {
	return string(t)
}

func (t Category) GroupName() string {
	return fmt.Sprintf("%ss", t)
}

const (
	CategoryTool    Category = "tool"
	CategoryTask    Category = "task"
	CategoryBuild   Category = "build"
	CategoryPackage Category = "package"
)

type StateMetadata struct {
	ModifiedAt time.Time
	TTL        *time.Time
}

type ExecutionContext interface {
	context.Context
	WorkingDir() string
	OutDir() string
	BinariesDir() string
	StdOut() io.Writer
	StdErr() io.Writer
	Logger() *slog.Logger
	GetState(ctx context.Context, key string) ([]byte, StateMetadata, error)
	SetState(ctx context.Context, key string, value []byte) error
}

type Module interface {
	easyjson.Unmarshaler
	Execute(ctx ExecutionContext) error
	Category() Category
	Type() string
}

type BinaryNamer interface {
	BinaryName() string
}

type ToolModule interface {
	Module
	BinaryNamer
}

type Factory interface {
	Create() Module
}

var _ Factory = (*ModuleFactoryFunc)(nil)

type ModuleFactoryFunc func() Module

func (f ModuleFactoryFunc) Create() Module {
	return f()
}