const driver = require('bigchaindb-driver')
const API_PATH = 'http://localhost:9984/api/v1/'
const conn = new driver.Connection(API_PATH)

const alice = new driver.Ed25519Keypair()
const bob = new driver.Ed25519Keypair()
const peter = new driver.Ed25519Keypair()

console.log('Alice: ', alice.publicKey)
console.log('Bob: ', bob.publicKey)
console.log('Peter: ', peter.publicKey)

const assetdata = {
    'bicycle': {
            'serial_number': 'abcd1234',
            'manufacturer': 'Bicycle Inc.',
    }
}

const metadata = {'planet': 'earth'}

const txCreateAliceSimple = driver.Transaction.makeCreateTransaction(
    assetdata,
    metadata,

    // A transaction needs an output
    [ driver.Transaction.makeOutput(
            driver.Transaction.makeEd25519Condition(alice.publicKey))
    ],
    alice.publicKey
)

const txCreateAliceSimpleSigned = driver.Transaction.signTransaction(txCreateAliceSimple, alice.privateKey)

conn.postTransactionCommit(txCreateAliceSimpleSigned)
    .then(retrievedTx => {
        console.log('Transaction', retrievedTx.id, 'successfully posted.')
    })
    .then(() => {
        const txTransferBob = driver.Transaction.makeTransferTransaction(
            // signedTx to transfer and output index
            [{ tx: txCreateAliceSimpleSigned, output_index: 0 }],
            [driver.Transaction.makeOutput(driver.Transaction.makeEd25519Condition(bob.publicKey))],
            // metadata
            {price: '100 euro'}
        )

        let txTransferBobSigned = driver.Transaction.signTransaction(txTransferBob, alice.privateKey);

        return conn.postTransactionCommit(txTransferBobSigned)
    })
    .then(tx => {
        console.log('Response from BDB server:', tx)
        console.log('Is Bob the owner?', tx['outputs'][0]['public_keys'][0] == bob.publicKey)
        console.log('Was Alice the previous owner?', tx['inputs'][0]['owners_before'][0] == alice.publicKey )
    })
    .then(() => {
        console.log("Another transaction from Alice, but now she is not the owner")
        const txTransferPeter = driver.Transaction.makeTransferTransaction(
            // signedTx to transfer and output index
            [{ tx: txCreateAliceSimpleSigned, output_index: 0 }],
            [driver.Transaction.makeOutput(driver.Transaction.makeEd25519Condition(peter.publicKey))],
            // metadata
            {price: '200 euro'}
        )

        let txTransferPeterSigned = driver.Transaction.signTransaction(txTransferPeter, alice.privateKey);

        return conn.postTransactionCommit(txTransferPeterSigned)
    })
    .then(tx => {
        console.log('Response from BDB server:', tx)
        console.log('Is Bob the owner?', tx['outputs'][0]['public_keys'][0] == bob.publicKey)
        console.log('Is Peter the owner?', tx['outputs'][0]['public_keys'][0] == peter.publicKey)
        console.log('Was Alice the previous owner?', tx['inputs'][0]['owners_before'][0] == alice.publicKey )       
    })
    .then(() => {
        console.log("FININSH")
    })