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

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

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

test('Multiple address and value inputs returns valid output script', t => {
	const outputScipt = buildOutputScript([
		{address: '1LukeQU5jwebXbMLDVydeH4vFSobRV9rkj', value: 100000000},
		{address: '1BitcoinEaterAddressDontSendf59kuE', value: 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([{address: '1LukeQU5jwebXbMLDVydeH4vFSobRV9rkj', value: 100000000}]);
	const litecoinOutputScipt = buildOutputScript([{address: 'Lf8hucmupbtenQ3VPdxvvJ8gTfAsaon2gf', value: 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([{address: '1LukeQU5jwebXbMLDVydeH4vFSobRV9rkj', value: MAX_SAFE_INTEGER}]);
	const expectedOutputScript = '01ffffffffffff1f001976a914da6473ed373e08f46dd8003fca7ba72fbe9c555e88ac';

	t.is(outputScipt, expectedOutputScript);

	t.throws(() => buildOutputScript([{address: '1LukeQU5jwebXbMLDVydeH4vFSobRV9rkj', value: (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([]));
});