package blockchainservicelogic

import (
	"blockchain/internal/domain/usecase"
	"context"
	"fmt"
	"time"

	"blockchain/gen_result/pb/code.30cm.net/digimon/app-cloudep-blockchain"
	"blockchain/internal/svc"

	"github.com/zeromicro/go-zero/core/logx"
)

type ListCandleDataLogic struct {
	ctx    context.Context
	svcCtx *svc.ServiceContext
	logx.Logger
}

func NewListCandleDataLogic(ctx context.Context, svcCtx *svc.ServiceContext) *ListCandleDataLogic {
	return &ListCandleDataLogic{
		ctx:    ctx,
		svcCtx: svcCtx,
		Logger: logx.WithContext(ctx),
	}
}

func (l *ListCandleDataLogic) ListCandleData(in *app_cloudep_blockchain.HistoryReq) (*app_cloudep_blockchain.ListCandleDataResp, error) {
	// 1) 先驗證輸入（避免把錯誤時間丟進背景 goroutine）
	st, err := time.Parse(time.RFC3339, in.GetStartTime())
	if err != nil {
		return nil, fmt.Errorf("invalid startTime (RFC3339): %w", err)
	}
	et, err := time.Parse(time.RFC3339, in.GetEndTime())
	if err != nil {
		return nil, fmt.Errorf("invalid endTime (RFC3339): %w", err)
	}

	kline, err := l.svcCtx.BinanceDataSource.ListKline(l.ctx, usecase.QueryKline{
		Symbol:    in.GetSymbol(),
		Interval:  in.GetInterval(),
		StartTime: st.UnixMilli(),
		EndTime:   et.UnixMilli(),
	})
	if err != nil {
		return nil, err
	}

	fmt.Println(kline)

	return &app_cloudep_blockchain.ListCandleDataResp{}, nil
}