// PKGPATH: gno.land/r/aib/main
package main

import (
	"chain"
	"encoding/base64"
	"encoding/hex"
	"testing"
	"time"

	tmtesting "gno.land/p/aib/ibc/lightclient/tendermint/testing"
	"gno.land/p/aib/ibc/types"
	"gno.land/p/aib/ics23"
	"gno.land/p/nt/testutils/v0"
	"gno.land/r/aib/ibc/apps/testing/grc20test"
	"gno.land/r/aib/ibc/apps/transfer"
	"gno.land/r/aib/ibc/core"
)

// OnRecvPacket: success w/ non-IBC GRC20 token
//
// Scenario: chain A sent a GRC20 token to chain B (SendPacket escrows),
// then chain B sends it back (RecvPacket unescrows via isGRC20Alias).
func main(cur realm) {
	var (
		chainID       = "chain-id-2"
		trustedHeight = types.NewHeight(2, 2)
		clientState   = tmtesting.NewClientState(chainID, trustedHeight)
		// NOTE this apphash was provided by the gen-proof command below.
		apphash, _     = hex.DecodeString("b945cf87b8d1cfb958cf90c83fc5d9404ef9d8cd7cc2cec622e7386507a61d2e")
		trustedValset  = tmtesting.GenValset()
		consensusState = tmtesting.GenConsensusState(time.Now(), apphash, trustedValset.Hash())
		counterpartyID = "07-tendermint-2"
	)
	clientID := core.CreateClient(cross(cur), clientState, consensusState)
	core.RegisterCounterparty(cross(cur), clientID, [][]byte{[]byte("iavlStoreKey"), []byte("prefix2")}, counterpartyID)
	relayer := cur.Previous().Address()

	signer := cur.Address()

	// Mint GRC20 tokens to signer and approve transfer app
	grc20test.Mint(cross(cur), signer, 1000)
	transferAppAddr := chain.PackageAddress("gno.land/r/aib/ibc/apps/transfer")
	grc20test.Approve(cross(cur), signer, transferAppAddr, 100)

	// Step 1: Transfer to escrow GRC20 tokens (chain A → chain B)
	grc20regKey := "gno.land/r/aib/ibc/apps/testing/grc20test." + grc20test.Slug
	testing.SetOriginCaller(signer)
	println("signer grc20 balance before Transfer:", grc20test.BalanceOf(signer))
	transfer.Transfer(cross(cur), clientID, "atone1user", grc20regKey, 100, uint64(time.Now().Add(time.Hour).Unix()), "")
	println("signer grc20 balance after Transfer:", grc20test.BalanceOf(signer))

	// Step 2: RecvPacket returning the GRC20 tokens (chain B → chain A)
	// The counterparty sends back with denom prefixed: transfer/{counterpartyID}/{alias}
	receiver := testutils.TestAddress("receiver")
	recvPayload := transfer.NewFungibleTokenPacketData("transfer/" + counterpartyID + "/" + transfer.GRC20Alias(grc20regKey), "100", "atone1user", receiver.String(), "")
	recvPayloadBz := recvPayload.ProtoMarshal()
	println("\nRecv payload proto:", base64.StdEncoding.EncodeToString(recvPayloadBz))

	specs := ics23.IavlSpec()
	// NOTE code generated by:
	// go run -C ./cmd/gen-proof . 'prefix2' '07-tendermint-2' 'packet' '{"sequence":1,"source_client":"07-tendermint-2","destination_client":"07-tendermint-1","timeout_timestamp":1234571490,"payloads":[{"source_port":"transfer","destination_port":"transfer","version":"ics20-1","encoding":"application/x-protobuf","value":"Ckd0cmFuc2Zlci8wNy10ZW5kZXJtaW50LTIvZ25vLmxhbmQ6cjphaWI6aWJjOmFwcHM6dGVzdGluZzpncmMyMHRlc3QuVEVTVBIDMTAwGgphdG9uZTF1c2VyIihnMXdmamt4ZXRmd2VqaHloNmx0YTA0N2g2bHRhMDQ3aDZsbG04Mnls"}]}'
	proof := []ics23.CommitmentProof{

		// iavl proof
		ics23.CommitmentProof_Exist{
			Exist: &ics23.ExistenceProof{
				Key:   []byte("\x70\x72\x65\x66\x69\x78\x32\x30\x37\x2d\x74\x65\x6e\x64\x65\x72\x6d\x69\x6e\x74\x2d\x32\x01\x00\x00\x00\x00\x00\x00\x00\x01"),
				Value: []byte("\x3e\x39\x2e\x85\xf9\xfd\xa4\xfe\xe3\x53\xeb\xf6\xc0\xe3\xfb\x7c\x93\x58\xf5\x67\x79\x7a\x90\xf7\xd9\x8d\x2d\xac\xb3\xdc\xd6\x50"),
				Leaf: &ics23.LeafOp{
					Hash:         specs.LeafSpec.Hash,
					PrehashKey:   specs.LeafSpec.PrehashKey,
					PrehashValue: specs.LeafSpec.PrehashValue,
					Length:       specs.LeafSpec.Length,
					Prefix:       []byte("\x00\x02\x02"),
				},
				Path: []*ics23.InnerOp{
					{
						Hash:   specs.InnerSpec.Hash,
						Prefix: []byte("\x02\x04\x02\x20\x35\xf8\xea\x80\x53\x90\xe0\x84\x85\x4f\x39\x9b\x42\xcc\xde\xae\xa3\x3a\x1d\xed\xc1\x15\x63\x8a\xc4\x8d\x06\x00\x63\x7d\xba\x1f\x20"),
						Suffix: []byte(""),
					},
					{
						Hash:   specs.InnerSpec.Hash,
						Prefix: []byte("\x04\x08\x02\x20"),
						Suffix: []byte("\x20\x79\x8e\x2c\xaa\x96\xfd\xfb\xa3\x76\xdd\xeb\x47\x99\x99\x54\xd2\xf4\x7e\x65\x16\x22\x64\xb0\x53\x6a\xb5\xdf\xf7\xfc\x0a\x2e\x07"),
					},
					{
						Hash:   specs.InnerSpec.Hash,
						Prefix: []byte("\x06\x0c\x02\x20\x9a\xf3\x7d\xd5\x95\xa0\x19\x08\x03\xb5\xe0\x5a\xae\xf4\x2a\xe3\xfa\xd4\x99\xe4\xfb\xe3\x7f\x7c\xd3\x1c\xad\xff\x22\xa9\xee\x74\x20"),
						Suffix: []byte(""),
					},
				},
			},
		},

		// rootmulti proof
		ics23.CommitmentProof_Exist{
			Exist: &ics23.ExistenceProof{
				Key:   []byte("\x69\x61\x76\x6c\x53\x74\x6f\x72\x65\x4b\x65\x79"),
				Value: []byte("\x32\xa2\x15\x7f\xfd\xa4\xb0\x9b\xec\xc3\x4f\xb9\x9f\x6a\x90\xfd\x1c\x81\x99\xba\x53\x41\xd9\xf5\x89\x20\x90\xbe\x92\x59\xd7\x7f"),
				Leaf: &ics23.LeafOp{
					Hash:         specs.LeafSpec.Hash,
					PrehashKey:   specs.LeafSpec.PrehashKey,
					PrehashValue: specs.LeafSpec.PrehashValue,
					Length:       specs.LeafSpec.Length,
					Prefix:       []byte("\x00"),
				},
				Path: []*ics23.InnerOp{},
			},
		},
	}

	recvPacket := types.MsgRecvPacket{
		Packet: types.Packet{
			Sequence:          1,
			SourceClient:      counterpartyID,
			DestinationClient: clientID,
			TimeoutTimestamp:  uint64(time.Now().Add(time.Hour).Unix()),
			Payloads: []types.Payload{{
				SourcePort:      transfer.PortID,
				DestinationPort: transfer.PortID,
				Encoding:        transfer.EncodingProtobuf,
				Value:           recvPayloadBz,
				Version:         transfer.V1,
			}},
		},
		ProofCommitment: proof,
		ProofHeight:     trustedHeight,
	}

	println("\nreceiver grc20 balance before RecvPacket:", grc20test.BalanceOf(receiver))
	println("transfer app grc20 balance before RecvPacket:", grc20test.BalanceOf(transferAppAddr))

	testing.SetOriginCaller(relayer)
	res := core.RecvPacket(cross(cur), recvPacket)

	println("\nack res:", res)
	println("\nreceiver grc20 balance after RecvPacket:", grc20test.BalanceOf(receiver))
	println("transfer app grc20 balance after RecvPacket:", grc20test.BalanceOf(transferAppAddr))
}

// Output:
// signer grc20 balance before Transfer: 1000
// signer grc20 balance after Transfer: 900
//
// Recv payload proto: Ckd0cmFuc2Zlci8wNy10ZW5kZXJtaW50LTIvZ25vLmxhbmQ6cjphaWI6aWJjOmFwcHM6dGVzdGluZzpncmMyMHRlc3QuVEVTVBIDMTAwGgphdG9uZTF1c2VyIihnMXdmamt4ZXRmd2VqaHloNmx0YTA0N2g2bHRhMDQ3aDZsbG04Mnls
//
// receiver grc20 balance before RecvPacket: 0
// transfer app grc20 balance before RecvPacket: 100
//
// ack res: (2 gno.land/p/aib/ibc/types.ResponseResultType)
//
// receiver grc20 balance after RecvPacket: 100
// transfer app grc20 balance after RecvPacket: 0

// Events:
// [
//   {
//     "type": "create_client",
//     "attrs": [
//       {
//         "key": "client_id",
//         "value": "07-tendermint-1"
//       },
//       {
//         "key": "client_type",
//         "value": "07-tendermint"
//       },
//       {
//         "key": "consensus_heights",
//         "value": "2/2"
//       }
//     ],
//     "pkg_path": "gno.land/r/aib/ibc/core"
//   },
//   {
//     "type": "Transfer",
//     "attrs": [
//       {
//         "key": "token",
//         "value": "gno.land/r/aib/ibc/apps/testing/grc20test.TEST"
//       },
//       {
//         "key": "from",
//         "value": ""
//       },
//       {
//         "key": "to",
//         "value": "g1gjs8nfdrd55z3xu9gjcatnj29vkwuyx4ffqxd9"
//       },
//       {
//         "key": "value",
//         "value": "1000"
//       }
//     ],
//     "pkg_path": "gno.land/p/demo/tokens/grc20"
//   },
//   {
//     "type": "Approval",
//     "attrs": [
//       {
//         "key": "token",
//         "value": "gno.land/r/aib/ibc/apps/testing/grc20test.TEST"
//       },
//       {
//         "key": "owner",
//         "value": "g1gjs8nfdrd55z3xu9gjcatnj29vkwuyx4ffqxd9"
//       },
//       {
//         "key": "spender",
//         "value": "g1tp3gk4quumurav4858hjfdy6hxtyffwmnxyr00"
//       },
//       {
//         "key": "value",
//         "value": "100"
//       }
//     ],
//     "pkg_path": "gno.land/p/demo/tokens/grc20"
//   },
//   {
//     "type": "send_packet",
//     "attrs": [
//       {
//         "key": "packet_source_client",
//         "value": "07-tendermint-1"
//       },
//       {
//         "key": "packet_dest_client",
//         "value": "07-tendermint-2"
//       },
//       {
//         "key": "packet_sequence",
//         "value": "1"
//       },
//       {
//         "key": "packet_timeout_timestamp",
//         "value": "1234571490"
//       },
//       {
//         "key": "encoded_packet_hex",
//         "value": "0801120f30372d74656e6465726d696e742d311a0f30372d74656e6465726d696e742d3220e2a1d8cc042aa2010a087472616e7366657212087472616e736665721a0769637332302d3122166170706c69636174696f6e2f782d70726f746f6275662a6b0a2e676e6f2e6c616e643a723a6169623a6962633a617070733a74657374696e673a6772633230746573742e5445535412033130301a286731676a73386e6664726435357a33787539676a6361746e6a3239766b7775797834666671786439220a61746f6e653175736572"
//       }
//     ],
//     "pkg_path": "gno.land/r/aib/ibc/core"
//   },
//   {
//     "type": "Transfer",
//     "attrs": [
//       {
//         "key": "token",
//         "value": "gno.land/r/aib/ibc/apps/testing/grc20test.TEST"
//       },
//       {
//         "key": "from",
//         "value": "g1gjs8nfdrd55z3xu9gjcatnj29vkwuyx4ffqxd9"
//       },
//       {
//         "key": "to",
//         "value": "g1tp3gk4quumurav4858hjfdy6hxtyffwmnxyr00"
//       },
//       {
//         "key": "value",
//         "value": "100"
//       }
//     ],
//     "pkg_path": "gno.land/p/demo/tokens/grc20"
//   },
//   {
//     "type": "ibc_transfer",
//     "attrs": [
//       {
//         "key": "sender",
//         "value": "g1gjs8nfdrd55z3xu9gjcatnj29vkwuyx4ffqxd9"
//       },
//       {
//         "key": "receiver",
//         "value": "atone1user"
//       },
//       {
//         "key": "denom",
//         "value": "gno.land:r:aib:ibc:apps:testing:grc20test.TEST"
//       },
//       {
//         "key": "amount",
//         "value": "100"
//       },
//       {
//         "key": "memo",
//         "value": ""
//       }
//     ],
//     "pkg_path": "gno.land/r/aib/ibc/apps/transfer"
//   },
//   {
//     "type": "recv_packet",
//     "attrs": [
//       {
//         "key": "packet_source_client",
//         "value": "07-tendermint-2"
//       },
//       {
//         "key": "packet_dest_client",
//         "value": "07-tendermint-1"
//       },
//       {
//         "key": "packet_sequence",
//         "value": "1"
//       },
//       {
//         "key": "packet_timeout_timestamp",
//         "value": "1234571490"
//       },
//       {
//         "key": "encoded_packet_hex",
//         "value": "0801120f30372d74656e6465726d696e742d321a0f30372d74656e6465726d696e742d3120e2a1d8cc042abc010a087472616e7366657212087472616e736665721a0769637332302d3122166170706c69636174696f6e2f782d70726f746f6275662a84010a477472616e736665722f30372d74656e6465726d696e742d322f676e6f2e6c616e643a723a6169623a6962633a617070733a74657374696e673a6772633230746573742e5445535412033130301a0a61746f6e6531757365722228673177666a6b7865746677656a687968366c746130343768366c746130343768366c6c6d3832796c"
//       }
//     ],
//     "pkg_path": "gno.land/r/aib/ibc/core"
//   },
//   {
//     "type": "Transfer",
//     "attrs": [
//       {
//         "key": "token",
//         "value": "gno.land/r/aib/ibc/apps/testing/grc20test.TEST"
//       },
//       {
//         "key": "from",
//         "value": "g1tp3gk4quumurav4858hjfdy6hxtyffwmnxyr00"
//       },
//       {
//         "key": "to",
//         "value": "g1wfjkxetfwejhyh6lta047h6lta047h6llm82yl"
//       },
//       {
//         "key": "value",
//         "value": "100"
//       }
//     ],
//     "pkg_path": "gno.land/p/demo/tokens/grc20"
//   },
//   {
//     "type": "fungible_token_packet",
//     "attrs": [
//       {
//         "key": "sender",
//         "value": "atone1user"
//       },
//       {
//         "key": "receiver",
//         "value": "g1wfjkxetfwejhyh6lta047h6lta047h6llm82yl"
//       },
//       {
//         "key": "denom",
//         "value": "gno.land:r:aib:ibc:apps:testing:grc20test.TEST"
//       },
//       {
//         "key": "amount",
//         "value": "100"
//       },
//       {
//         "key": "memo",
//         "value": ""
//       },
//       {
//         "key": "success",
//         "value": "true"
//       }
//     ],
//     "pkg_path": "gno.land/r/aib/ibc/apps/transfer"
//   },
//   {
//     "type": "write_acknowledgement",
//     "attrs": [
//       {
//         "key": "packet_source_client",
//         "value": "07-tendermint-2"
//       },
//       {
//         "key": "packet_dest_client",
//         "value": "07-tendermint-1"
//       },
//       {
//         "key": "packet_sequence",
//         "value": "1"
//       },
//       {
//         "key": "packet_timeout_timestamp",
//         "value": "1234571490"
//       },
//       {
//         "key": "encoded_packet_hex",
//         "value": "0801120f30372d74656e6465726d696e742d321a0f30372d74656e6465726d696e742d3120e2a1d8cc042abc010a087472616e7366657212087472616e736665721a0769637332302d3122166170706c69636174696f6e2f782d70726f746f6275662a84010a477472616e736665722f30372d74656e6465726d696e742d322f676e6f2e6c616e643a723a6169623a6962633a617070733a74657374696e673a6772633230746573742e5445535412033130301a0a61746f6e6531757365722228673177666a6b7865746677656a687968366c746130343768366c746130343768366c6c6d3832796c"
//       },
//       {
//         "key": "encoded_acknowledgement_hex",
//         "value": "0a117b22726573756c74223a2241513d3d227d"
//       }
//     ],
//     "pkg_path": "gno.land/r/aib/ibc/core"
//   }
// ]