import test from 'ava';
import buildOutputScript from '..';

test('Single address and value input returns valid output script', t => {
	const outputScipt = buildOutputScript([['1LukeQU5jwebXbMLDVydeH4vFSobRV9rkj', 100000000]]);
	const expectedOutputScript = '0100e1f505000000001976a914da6473ed373e08f46dd8003fca7ba72fbe9c555e88ac';

	t.is(outputScipt, expectedOutputScript);
});

test('Multiple address and value inputs returns valid output script', t => {
	const outputScipt = buildOutputScript([
		['1LukeQU5jwebXbMLDVydeH4vFSobRV9rkj', 100000000],
		['1BitcoinEaterAddressDontSendf59kuE', 100000000]
	]);
	const expectedOutputScript = '0200e1f505000000001976a914da6473ed373e08f46dd8003fca7ba72fbe9c555e88ac00e1f505000000001976a914759d6677091e973b9e9d99f19c68fbf43e3f05f988ac';

	t.is(outputScipt, expectedOutputScript);
});

test('Altcoin P2PKH addresses with a different pubkey hash prefix returns valid ouput script', t => {
	const bitcoinOutputScipt = buildOutputScript([['1LukeQU5jwebXbMLDVydeH4vFSobRV9rkj', 100000000]]);
	const litecoinOutputScipt = buildOutputScript([['Lf8hucmupbtenQ3VPdxvvJ8gTfAsaon2gf', 100000000]]);
	const expectedOutputScript = '0100e1f505000000001976a914da6473ed373e08f46dd8003fca7ba72fbe9c555e88ac';

	t.is(bitcoinOutputScipt, litecoinOutputScipt);
	t.is(bitcoinOutputScipt, expectedOutputScript);
});

test('Unsafe integer value throws error', t => {
	const MAX_SAFE_INTEGER = 9007199254740991;

	const outputScipt = buildOutputScript([['1LukeQU5jwebXbMLDVydeH4vFSobRV9rkj', MAX_SAFE_INTEGER]]);
	const expectedOutputScript = '01ffffffffffff1f001976a914da6473ed373e08f46dd8003fca7ba72fbe9c555e88ac';

	t.is(outputScipt, expectedOutputScript);

	t.throws(() => buildOutputScript([['1LukeQU5jwebXbMLDVydeH4vFSobRV9rkj', (MAX_SAFE_INTEGER + 1)]]));
});

test('Not passing an array throws error', t => {
	t.throws(() => buildOutputScript());
});

test('Passing an empty array throws error', t => {
	t.throws(() => buildOutputScript([]));
});