package readMemos_test


import "seekia/internal/memos/readMemos"
import "seekia/internal/identity"
import "seekia/internal/encoding"

import "bytes"
import "testing"


func TestReadMemo(t *testing.T){

	testMemo := `| «« Seekia Memo »»
|
|- Signature:
|    OBaIeYgbN6AqrlKRGo2K9v2y8L4_jk
|    hRahKqgYvGbS3zv0cWDbmdZd4h4GMA
|    _aZC2rX67dkBHoGOgzvrVguiDA==
|
|- Identity Key:
|    019f50f450efec14d5314e36685e6ccd
|    2a11026d206108a7e46ad1aa5778a36c
|
|- Author:
|    ajcn6vesxwejdvwgj57bdo3m3dm
|
|- Memo:
|
|    Cure racial loneliness.
|
|    Beautify the human species.
|
|    Seekia: Be race aware.
|
| «« End Of Memo »»`


	memoIsValid, memoHash, authorIdentityHash, unarmoredMemoContent, err := readMemos.ReadMemo(testMemo)
	if (err != nil){
		t.Fatalf("Failed to read memo: " + err.Error())
	}
	if (memoIsValid == false){
		t.Fatalf("Memo is not valid.")
	}

	expectedAuthorIdentityHashString := "ajcn6vesxwejdvwgj57bdo3m3dm"

	expectedAuthorIdentityHash, _, err := identity.ReadIdentityHashString(expectedAuthorIdentityHashString)
	if (err != nil){
		t.Fatalf("Failed to read expectedAuthorIdentityHashString: " + err.Error())
	}

	if (authorIdentityHash != expectedAuthorIdentityHash){
		authorIdentityHashHex := encoding.EncodeBytesToHexString(authorIdentityHash[:])
		t.Fatalf("Received author identity hash does not match: " + authorIdentityHashHex)
	}

	memoHashExpected := "1cc8b5f73ec83b24db18814292ffd3139b6571be0d0a4ce7002de458525b0ea3"

	memoHashBytes, err := encoding.DecodeHexStringToBytes(memoHashExpected)
	if (err != nil){
		t.Fatalf("Unable to read memoHashExpected: " + err.Error())
	}

	areEqual := bytes.Equal(memoHash[:], memoHashBytes)
	if (areEqual == false){
		memoHashHex := encoding.EncodeBytesToHexString(memoHash[:])
		t.Fatalf("Received unexpected memo hash: " + memoHashHex)
	}

	ethereumAddress, err := readMemos.GetBlockchainAddressFromMemoHash("Ethereum", memoHash)
	if (err != nil){
		t.Fatalf("GetBlockchainAddressFromMemoHash failed: " + err.Error())
	}

	if (ethereumAddress != "0xc514B072e60F03568F0e136d30de210579ffA1F0"){
		t.Fatalf("GetBlockchainAddressFromMemoHash returning unexpected Ethereum address: " + ethereumAddress)
	}

	cardanoAddress, err := readMemos.GetBlockchainAddressFromMemoHash("Cardano", memoHash)
	if (err != nil){
		t.Fatalf("GetBlockchainAddressFromMemoHash failed: " + err.Error())
	}

	if (cardanoAddress != "addr1vy0gfzl8muw3cstqhlage0nm5y9tyay3ueez4whya9qulpgpvytyu"){
		t.Fatalf("GetBlockchainAddressFromMemoHash returning unexpected Cardano address: " + cardanoAddress)
	}

	expectedUnarmoredMemoContent := `Cure racial loneliness.

Beautify the human species.

Seekia: Be race aware.`

	if (unarmoredMemoContent != expectedUnarmoredMemoContent){
		t.Fatalf("Unexpected unarmoredMemoContent: " + unarmoredMemoContent)
	}
}


// We use this to verify a legacy memo, where lines with no content were preceded with a pipe and 4 whitespace characters
// Now memos do not contain the 4 whitespace characters for these lines. They only contain a single pipe.
func TestReadMemo_Legacy(t *testing.T){

	testMemo := `| «« Seekia Memo »»
|
|- Signature:
|    ND8PfLLNZn7CJlQMokl7jvmd8yL5ee
|    OGuJ6Jql_dN2BgANO8n9vYo9h5qPZL
|    AUAmWM2D_PXJUwzOTxs6bUV1Bw==
|
|- Identity Key:
|    b26327a3e00e97a2759ac0a08a39c84f
|    8edb833eec43669a81e27509f4ff6636
|
|- Author:
|    p2qsphq4m72wr6trbyibwggsfem
|
|- Memo:
|
|    Cure racial loneliness.
|    
|    Facilitate eugenic breeding.
|    
|    Seekia: Be race aware.
|
| «« End Of Memo »»`


	memoIsValid, memoHash, authorIdentityHash, unarmoredMemoContent, err := readMemos.ReadMemo(testMemo)
	if (err != nil){
		t.Fatalf("Failed to read memo: " + err.Error())
	}
	if (memoIsValid == false){
		t.Fatalf("Memo is not valid.")
	}

	expectedAuthorIdentityHashString := "p2qsphq4m72wr6trbyibwggsfem"

	expectedAuthorIdentityHash, _, err := identity.ReadIdentityHashString(expectedAuthorIdentityHashString)
	if (err != nil){
		t.Fatalf("Failed to read expectedAuthorIdentityHashString: " + err.Error())
	}

	if (authorIdentityHash != expectedAuthorIdentityHash){
		authorIdentityHashHex := encoding.EncodeBytesToHexString(authorIdentityHash[:])
		t.Fatalf("Received author identity hash does not match: " + authorIdentityHashHex)
	}

	memoHashExpected := "c624a587458564a272a357c8bda79e51dfe4cbc1a995b612887ceafe54ad3b4f"

	memoHashBytes, err := encoding.DecodeHexStringToBytes(memoHashExpected)
	if (err != nil){
		t.Fatalf("Unable to read memoHashExpected: " + err.Error())
	}

	areEqual := bytes.Equal(memoHash[:], memoHashBytes)
	if (areEqual == false){
		memoHashHex := encoding.EncodeBytesToHexString(memoHash[:])
		t.Fatalf("Received unexpected memo hash: " + memoHashHex)
	}

	ethereumAddress, err := readMemos.GetBlockchainAddressFromMemoHash("Ethereum", memoHash)
	if (err != nil){
		t.Fatalf("GetBlockchainAddressFromMemoHash failed: " + err.Error())
	}

	if (ethereumAddress != "0xb56159Dbe37A255915A113a12588447182eDDD06"){
		t.Fatalf("GetBlockchainAddressFromMemoHash returning unexpected Ethereum address: " + ethereumAddress)
	}

	cardanoAddress, err := readMemos.GetBlockchainAddressFromMemoHash("Cardano", memoHash)
	if (err != nil){
		t.Fatalf("GetBlockchainAddressFromMemoHash failed: " + err.Error())
	}

	if (cardanoAddress != "addr1vxerdvvcwxgvcwf23tjxp8kl9kg0rpe4dsvpsjfcguusk6sfn9c6h"){
		t.Fatalf("GetBlockchainAddressFromMemoHash returning unexpected Cardano address: " + cardanoAddress)
	}

	expectedUnarmoredMemoContent := `Cure racial loneliness.

Facilitate eugenic breeding.

Seekia: Be race aware.`

	if (unarmoredMemoContent != expectedUnarmoredMemoContent){
		t.Fatalf("Unexpected unarmoredMemoContent: " + unarmoredMemoContent)
	}
}