// Copyright 2017-2021 DERO Project. All rights reserved.
// Use of this source code in any form is governed by RESEARCH license.
// license can be found in the LICENSE file.
// GPG: 0F39 E425 8C65 3947 702A  8234 08B2 0360 A03A 9DE8
//
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

package rpcserver

import "fmt"
import "context"
import "runtime/debug"
import "encoding/hex"

import "github.com/deroproject/derohe/structures"

func (w *WALLET_RPC_APIS) GetBulkPayments(ctx context.Context, p structures.Get_Bulk_Payments_Params) (result structures.Get_Bulk_Payments_Result, err error) {
	defer func() { // safety so if anything wrong happens, we return error
		if r := recover(); r != nil {
			err = fmt.Errorf("panic occured. stack trace %s", debug.Stack())
		}
	}()

	// if no payment ID provided, provide all entries with payment ID
	// but this is a heavy call, // south exchange needed this compatibility

	if len(p.Payment_IDs) == 0 {

		entries := w.wallet.Show_Transfers(true, true, false, false, false, true, p.Min_block_height, 0)

		for j := range entries {
			result.Payments = append(result.Payments, structures.Transfer_Details{TXID: entries[j].TXID.String(),
				Payment_ID:  hex.EncodeToString(entries[j].PaymentID),
				Height:      entries[j].Height,
				Amount:      entries[j].Amount,
				Unlock_time: entries[j].Unlock_Time,
			})
		}

		return result, nil
		//   rlog.Errorf("0 payment ids provided")
		//return nil, &jsonrpc.Error{Code: -2, Message: fmt.Sprintf("0 payment ids provided")}
	}

	for i := range p.Payment_IDs {
		payid, err := hex.DecodeString(p.Payment_IDs[i])
		if err != nil {
			return result, fmt.Errorf("%s could NOT be hex decoded err %s", p.Payment_IDs[i], err)
		}

		if len(payid) != 8 {
			return result, fmt.Errorf("%s not 16  hex bytes", p.Payment_IDs[i])
		}

		// if everything is okay, fire the query and convert the result to output format
		entries := w.wallet.Get_Payments_Payment_ID(payid, p.Min_block_height)
		for j := range entries {
			result.Payments = append(result.Payments, structures.Transfer_Details{TXID: entries[j].TXID.String(),
				Payment_ID:  hex.EncodeToString(entries[j].PaymentID),
				Height:      entries[j].Height,
				Amount:      entries[j].Amount,
				Unlock_time: entries[j].Unlock_Time,
			})
		}
	}

	return result, nil

}