package usecase

import (
	"context"
	"io"
	"time"

	"cmroubao/backend-api/internal/domain"
)

type Clock interface {
	Now() time.Time
}

type IDGenerator interface {
	NewID() (string, error)
}

type NormalizedReferenceImage struct {
	StorageKey     string
	InputMediaType string
	InputSHA256    string
	MediaType      string
	SizeBytes      int64
	SHA256         string
}

type ReferenceImageStore interface {
	Put(
		context.Context,
		string,
		string,
		io.Reader,
	) (NormalizedReferenceImage, error)
	Open(context.Context, string) (io.ReadCloser, error)
	Delete(context.Context, string) error
}

type AssetRepository interface {
	CreateAssetIdempotent(
		context.Context,
		domain.Asset,
		string,
		string,
	) (domain.Asset, bool, error)
	GetAsset(
		context.Context,
		string,
		string,
	) (domain.Asset, error)
}

type TaskCursor struct {
	CreatedAt time.Time
	ID        string
}

type TaskListFilter struct {
	CreatorSubject string
	Status         *domain.TaskStatus
	Query          string
	CreatedFrom    *time.Time
	CreatedTo      *time.Time
	Limit          int
	After          *TaskCursor
}

type TaskRepository interface {
	CreateTaskIdempotent(
		context.Context,
		domain.PurchaseTask,
		domain.TaskEvent,
		string,
		string,
	) (domain.PurchaseTask, bool, error)
	ListTasks(
		context.Context,
		TaskListFilter,
	) ([]domain.PurchaseTask, error)
	GetTaskDetail(
		context.Context,
		string,
		string,
	) (domain.TaskDetail, error)
	CancelTask(
		context.Context,
		string,
		string,
		string,
		time.Time,
		domain.TaskEvent,
	) (domain.PurchaseTask, error)
}