var test = require('tap').test;
var Operators = require('../../src/blocks/scratch3_operators');

var blocks = new Operators(null);

test('getPrimitives', function (t) {
    t.type(blocks.getPrimitives(), 'object');
    t.end();
});

test('add', function (t) {
    t.strictEqual(blocks.add({NUM1:'1', NUM2:'1'}), 2);
    t.strictEqual(blocks.add({NUM1:'foo', NUM2:'bar'}), 0);
    t.end();
});

test('subtract', function (t) {
    t.strictEqual(blocks.subtract({NUM1:'1', NUM2:'1'}), 0);
    t.strictEqual(blocks.subtract({NUM1:'foo', NUM2:'bar'}), 0);
    t.end();
});

test('multiply', function (t) {
    t.strictEqual(blocks.multiply({NUM1:'2', NUM2:'2'}), 4);
    t.strictEqual(blocks.multiply({NUM1:'foo', NUM2:'bar'}), 0);
    t.end();
});

test('divide', function (t) {
    t.strictEqual(blocks.divide({NUM1:'2', NUM2:'2'}), 1);
    t.strictEqual(blocks.divide({NUM1:'1', NUM2:'0'}), Infinity);   // @todo
    t.ok(isNaN(blocks.divide({NUM1:'foo', NUM2:'bar'})));           // @todo
    t.end();
});

test('lt', function (t) {
    t.strictEqual(blocks.lt({OPERAND1:'1', OPERAND2:'2'}), true);
    t.strictEqual(blocks.lt({OPERAND1:'2', OPERAND2:'1'}), false);
    t.strictEqual(blocks.lt({OPERAND1:'1', OPERAND2:'1'}), false);
    t.end();
});

test('equals', function (t) {
    t.strictEqual(blocks.equals({OPERAND1:'1', OPERAND2:'2'}), false);
    t.strictEqual(blocks.equals({OPERAND1:'2', OPERAND2:'1'}), false);
    t.strictEqual(blocks.equals({OPERAND1:'1', OPERAND2:'1'}), true);
    t.end();
});

test('gt', function (t) {
    t.strictEqual(blocks.gt({OPERAND1:'1', OPERAND2:'2'}), false);
    t.strictEqual(blocks.gt({OPERAND1:'2', OPERAND2:'1'}), true);
    t.strictEqual(blocks.gt({OPERAND1:'1', OPERAND2:'1'}), false);
    t.end();
});

test('and', function (t) {
    t.strictEqual(blocks.and({OPERAND1:true, OPERAND2:true}), true);
    t.strictEqual(blocks.and({OPERAND1:true, OPERAND2:false}), false);
    t.strictEqual(blocks.and({OPERAND1:false, OPERAND2:false}), false);
    t.end();
});

test('or', function (t) {
    t.strictEqual(blocks.or({OPERAND1:true, OPERAND2:true}), true);
    t.strictEqual(blocks.or({OPERAND1:true, OPERAND2:false}), true);
    t.strictEqual(blocks.or({OPERAND1:false, OPERAND2:false}), false);
    t.end();
});

test('not', function (t) {
    t.strictEqual(blocks.not({OPERAND:true}), false);
    t.strictEqual(blocks.not({OPERAND:false}), true);
    t.end();
});

test('random', function (t) {
    var min = 0;
    var max = 100;
    var result = blocks.random({FROM:min, TO:max});
    t.ok(result >= min);
    t.ok(result <= max);
    t.end();
});

test('random - equal', function (t) {
    var min = 1;
    var max = 1;
    t.strictEqual(blocks.random({FROM:min, TO:max}), min);
    t.end();
});

test('random - decimal', function (t) {
    var min = 0.1;
    var max = 10;
    var result = blocks.random({FROM:min, TO:max});
    t.ok(result >= min);
    t.ok(result <= max);
    t.end();
});

test('random - int', function (t) {
    var min = 0;
    var max = 10;
    var result = blocks.random({FROM:min, TO:max});
    t.ok(result >= min);
    t.ok(result <= max);
    t.end();
});

test('random - reverse', function (t) {
    var min = 0;
    var max = 10;
    var result = blocks.random({FROM:max, TO:min});
    t.ok(result >= min);
    t.ok(result <= max);
    t.end();
});

test('join', function (t) {
    t.strictEqual(blocks.join({STRING1:'foo', STRING2:'bar'}), 'foobar');
    t.strictEqual(blocks.join({STRING1:'1', STRING2:'2'}), '12');
    t.end();
});

test('letterOf', function (t) {
    t.strictEqual(blocks.letterOf({STRING:'foo', LETTER:0}), '');
    t.strictEqual(blocks.letterOf({STRING:'foo', LETTER:1}), 'f');
    t.strictEqual(blocks.letterOf({STRING:'foo', LETTER:2}), 'o');
    t.strictEqual(blocks.letterOf({STRING:'foo', LETTER:3}), 'o');
    t.strictEqual(blocks.letterOf({STRING:'foo', LETTER:4}), '');
    t.strictEqual(blocks.letterOf({STRING:'foo', LETTER:'bar'}), '');
    t.end();
});

test('length', function (t) {
    t.strictEqual(blocks.length({STRING:''}), 0);
    t.strictEqual(blocks.length({STRING:'foo'}), 3);
    t.strictEqual(blocks.length({STRING:'1'}), 1);
    t.strictEqual(blocks.length({STRING:'100'}), 3);
    t.end();
});

test('mod', function (t) {
    t.strictEqual(blocks.mod({NUM1:1, NUM2:1}), 0);
    t.strictEqual(blocks.mod({NUM1:3, NUM2:6}), 3);
    t.strictEqual(blocks.mod({NUM1:-3, NUM2:6}), 3);
    t.end();
});

test('round', function (t) {
    t.strictEqual(blocks.round({NUM:1}), 1);
    t.strictEqual(blocks.round({NUM:1.1}), 1);
    t.strictEqual(blocks.round({NUM:1.5}), 2);
    t.end();
});

test('mathop', function (t) {
    t.strictEqual(blocks.mathop({OPERATOR:'abs', NUM:-1}), 1);
    t.strictEqual(blocks.mathop({OPERATOR:'floor', NUM:1.5}), 1);
    t.strictEqual(blocks.mathop({OPERATOR:'ceiling', NUM:0.1}), 1);
    t.strictEqual(blocks.mathop({OPERATOR:'sqrt', NUM:1}), 1);
    t.strictEqual(blocks.mathop({OPERATOR:'sin', NUM:1}), 0.01745240643728351);
    t.strictEqual(blocks.mathop({OPERATOR:'cos', NUM:1}), 0.9998476951563913);
    t.strictEqual(blocks.mathop({OPERATOR:'tan', NUM:1}), 0.017455064928217585);
    t.strictEqual(blocks.mathop({OPERATOR:'asin', NUM:1}), 90);
    t.strictEqual(blocks.mathop({OPERATOR:'acos', NUM:1}), 0);
    t.strictEqual(blocks.mathop({OPERATOR:'atan', NUM:1}), 45);
    t.strictEqual(blocks.mathop({OPERATOR:'ln', NUM:1}), 0);
    t.strictEqual(blocks.mathop({OPERATOR:'log', NUM:1}), 0);
    t.strictEqual(blocks.mathop({OPERATOR:'e ^', NUM:1}), 2.718281828459045);
    t.strictEqual(blocks.mathop({OPERATOR:'10 ^', NUM:1}), 10);
    t.strictEqual(blocks.mathop({OPERATOR:'undefined', NUM:1}), 0);
    t.end();
});