package redis

import (
	"context"
	"errors"
	"github.com/eolinker/apinto/resources"
	"time"
)

var (
	ErrorNotInitRedis = errors.New("redis not init")
	intError          = resources.NewIntResult(0, ErrorNotInitRedis)
	boolError         = resources.NewBoolResult(false, ErrorNotInitRedis)
	stringError       = resources.NewStringResult("", ErrorNotInitRedis)
	statusError       = resources.NewStatusResult(ErrorNotInitRedis)
)

type Empty struct {
}

func (e *Empty) Exec(ctx context.Context) error {
	return ErrorNotInitRedis
}

func (e *Empty) Set(ctx context.Context, key string, value []byte, expiration time.Duration) resources.StatusResult {

	return statusError
}

func (e *Empty) SetNX(ctx context.Context, key string, value []byte, expiration time.Duration) resources.BoolResult {
	return boolError
}

func (e *Empty) DecrBy(ctx context.Context, key string, decrement int64) resources.IntResult {
	return intError
}

func (e *Empty) IncrBy(ctx context.Context, key string, decrement int64) resources.IntResult {
	return intError
}

func (e *Empty) Get(ctx context.Context, key string) resources.StringResult {
	return stringError
}

func (e *Empty) GetDel(ctx context.Context, key string) resources.StringResult {
	//TODO implement me
	panic("implement me")
}

func (e *Empty) Del(ctx context.Context, keys ...string) resources.IntResult {
	return intError
}

func (e *Empty) Tx() resources.TX {
	return e
}