import { MILLIS_PER_HOUR, MILLIS_PER_MINUTE, MILLIS_PER_SECOND } from './conversionUtils';
import { parseUserTime } from './parseUserTime';

describe('test parseUserTime()', () => {
  describe('function handles time with no separators', () => {
    const testData = [
      { value: '', expect: 0 },
      { value: '0', expect: 0 },
      { value: '-0', expect: 0 },
      { value: '1', expect: MILLIS_PER_MINUTE },
      { value: '-1', expect: MILLIS_PER_MINUTE },
      { value: '0h0m0s', expect: 0 },
      { value: '0h0m1s', expect: MILLIS_PER_SECOND },
      { value: '0h1m0s', expect: MILLIS_PER_MINUTE },
      { value: '1h0m0s', expect: MILLIS_PER_HOUR },
      { value: '23h0m0s', expect: 23 * MILLIS_PER_HOUR },
      { value: '12h12m12s', expect: 12 * MILLIS_PER_SECOND + 12 * MILLIS_PER_MINUTE + 12 * MILLIS_PER_HOUR },
      { value: '12H12M12S', expect: 12 * MILLIS_PER_SECOND + 12 * MILLIS_PER_MINUTE + 12 * MILLIS_PER_HOUR },
      { value: '2m', expect: 2 * MILLIS_PER_MINUTE },
      { value: '1h5s', expect: MILLIS_PER_HOUR + 5 * MILLIS_PER_SECOND },
      { value: '1h2m', expect: MILLIS_PER_HOUR + 2 * MILLIS_PER_MINUTE },
    ];

    for (const s of testData) {
      it(`handles ${s.value}`, () => {
        expect(typeof parseUserTime(s.value)).toBe('number');
        expect(parseUserTime(s.value)).toBe(s.expect);
      });
    }
  });

  describe('parses strings correctly', () => {
    const ts = [
      { value: '1.1.1', expect: MILLIS_PER_HOUR + MILLIS_PER_MINUTE + MILLIS_PER_SECOND },
      { value: '12.1.1', expect: 12 * MILLIS_PER_HOUR + MILLIS_PER_MINUTE + MILLIS_PER_SECOND },
      { value: '12.55.1', expect: 12 * MILLIS_PER_HOUR + 55 * MILLIS_PER_MINUTE + MILLIS_PER_SECOND },
      { value: '12.55.40', expect: 12 * MILLIS_PER_HOUR + 55 * MILLIS_PER_MINUTE + 40 * MILLIS_PER_SECOND },
    ];

    for (const s of ts) {
      it(`handles ${s.value} to the left`, () => {
        expect(parseUserTime(s.value)).toBe(s.expect);
      });
    }
  });

  describe('#33 separators are parsed according to doc examples ', () => {
    const ts = [
      { value: '0.1', expect: MILLIS_PER_MINUTE },
      { value: '0 1', expect: MILLIS_PER_MINUTE },
      { value: '0:1', expect: MILLIS_PER_MINUTE },
      { value: '0,1', expect: MILLIS_PER_MINUTE },
      { value: '2.2.2', expect: 2 * MILLIS_PER_HOUR + 2 * MILLIS_PER_MINUTE + 2 * MILLIS_PER_SECOND },
      { value: '2 2 2', expect: 2 * MILLIS_PER_HOUR + 2 * MILLIS_PER_MINUTE + 2 * MILLIS_PER_SECOND },
      { value: '2:2:2', expect: 2 * MILLIS_PER_HOUR + 2 * MILLIS_PER_MINUTE + 2 * MILLIS_PER_SECOND },
      { value: '2,2,2', expect: 2 * MILLIS_PER_HOUR + 2 * MILLIS_PER_MINUTE + 2 * MILLIS_PER_SECOND },
      { value: '2,2,2', expect: 2 * MILLIS_PER_HOUR + 2 * MILLIS_PER_MINUTE + 2 * MILLIS_PER_SECOND },
      { value: '10:', expect: 10 * MILLIS_PER_HOUR },
      { value: ':10', expect: 10 * MILLIS_PER_MINUTE },
      { value: '10', expect: 10 * MILLIS_PER_MINUTE },
      { value: '120', expect: MILLIS_PER_HOUR + 20 * MILLIS_PER_MINUTE },
      { value: '90m', expect: 90 * MILLIS_PER_MINUTE },
      { value: '1.2', expect: MILLIS_PER_HOUR + 2 * MILLIS_PER_MINUTE },
      { value: '1.2.3', expect: MILLIS_PER_HOUR + 2 * MILLIS_PER_MINUTE + 3 * MILLIS_PER_SECOND },
      { value: '123456', expect: 12 * MILLIS_PER_HOUR + 34 * MILLIS_PER_MINUTE + 56 * MILLIS_PER_SECOND },
    ];

    for (const s of ts) {
      it(`handles ${s.value}`, () => {
        expect(parseUserTime(s.value)).toBe(s.expect);
      });
    }
  });

  describe('parses time strings', () => {
    const ts = [
      { value: '1h2m3s', expect: MILLIS_PER_HOUR + 2 * MILLIS_PER_MINUTE + 3 * MILLIS_PER_SECOND },
      { value: '1h3s', expect: MILLIS_PER_HOUR + 3 * MILLIS_PER_SECOND },
      { value: '1h2m', expect: MILLIS_PER_HOUR + 2 * MILLIS_PER_MINUTE },
      { value: '10h', expect: 10 * MILLIS_PER_HOUR },
      { value: '10m', expect: 10 * MILLIS_PER_MINUTE },
      { value: '10s', expect: 10 * MILLIS_PER_SECOND },
      { value: '120h', expect: 120 * MILLIS_PER_HOUR },
      { value: '120m', expect: 120 * MILLIS_PER_MINUTE },
      { value: '120s', expect: 120 * MILLIS_PER_SECOND },
    ];

    for (const s of ts) {
      it(`handles ${s.value}`, () => {
        expect(parseUserTime(s.value)).toBe(s.expect);
      });
    }
  });

  describe('handles am/pm', () => {
    const ampm = [
      { value: '1am', expect: 1 * MILLIS_PER_HOUR },
      { value: '1pm', expect: (12 + 1) * MILLIS_PER_HOUR },
      { value: '1 am', expect: 1 * MILLIS_PER_HOUR },
      { value: '1 pm', expect: (12 + 1) * MILLIS_PER_HOUR },
      { value: '1AM', expect: 1 * MILLIS_PER_HOUR },
      { value: '1PM', expect: (12 + 1) * MILLIS_PER_HOUR },

      { value: '9am', expect: 9 * MILLIS_PER_HOUR },
      { value: '9pm', expect: (12 + 9) * MILLIS_PER_HOUR },

      { value: '10am', expect: 10 * MILLIS_PER_HOUR },
      { value: '10pm', expect: (12 + 10) * MILLIS_PER_HOUR },
      { value: '10 am', expect: 10 * MILLIS_PER_HOUR },
      { value: '10 pm', expect: (12 + 10) * MILLIS_PER_HOUR },
      { value: '10AM', expect: 10 * MILLIS_PER_HOUR },
      { value: '10PM', expect: (12 + 10) * MILLIS_PER_HOUR },

      { value: '12am', expect: 0 * MILLIS_PER_HOUR },
      { value: '12pm', expect: 12 * MILLIS_PER_HOUR },

      { value: '1:10am', expect: 1 * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE },
      { value: '1:10pm', expect: (12 + 1) * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE },
      { value: '1:10 am', expect: 1 * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE },
      { value: '1:10 pm', expect: (12 + 1) * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE },
      { value: '1:10AM', expect: 1 * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE },
      { value: '1:10PM', expect: (12 + 1) * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE },

      { value: '9:10am', expect: 9 * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE },
      { value: '9:10pm', expect: (12 + 9) * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE },

      { value: '10:10am', expect: 10 * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE },
      { value: '10:10pm', expect: (12 + 10) * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE },
      { value: '10:10 am', expect: 10 * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE },
      { value: '10:10 pm', expect: (12 + 10) * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE },
      { value: '10:10AM', expect: 10 * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE },
      { value: '10:10PM', expect: (12 + 10) * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE },

      { value: '12:10am', expect: 0 * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE },
      { value: '12:10pm', expect: 12 * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE },

      { value: '1:10:10am', expect: 1 * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE + 10 * MILLIS_PER_SECOND },
      { value: '1:10:10pm', expect: (12 + 1) * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE + 10 * MILLIS_PER_SECOND },
      { value: '1:10:10 am', expect: 1 * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE + 10 * MILLIS_PER_SECOND },
      { value: '1:10:10 pm', expect: (12 + 1) * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE + 10 * MILLIS_PER_SECOND },
      { value: '1:10:10AM', expect: 1 * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE + 10 * MILLIS_PER_SECOND },
      { value: '1:10:10PM', expect: (12 + 1) * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE + 10 * MILLIS_PER_SECOND },

      { value: '9:10:10am', expect: 9 * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE + 10 * MILLIS_PER_SECOND },
      { value: '9:10:10pm', expect: (12 + 9) * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE + 10 * MILLIS_PER_SECOND },

      { value: '10:10:10am', expect: 10 * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE + 10 * MILLIS_PER_SECOND },
      { value: '10:10:10pm', expect: (12 + 10) * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE + 10 * MILLIS_PER_SECOND },
      { value: '10:10:10 am', expect: 10 * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE + 10 * MILLIS_PER_SECOND },
      { value: '10:10:10 pm', expect: (12 + 10) * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE + 10 * MILLIS_PER_SECOND },
      { value: '10:10:10AM', expect: 10 * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE + 10 * MILLIS_PER_SECOND },
      { value: '10:10:10PM', expect: (12 + 10) * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE + 10 * MILLIS_PER_SECOND },

      { value: '12:10:10am', expect: 0 * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE + 10 * MILLIS_PER_SECOND },
      { value: '12:10:10pm', expect: 12 * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE + 10 * MILLIS_PER_SECOND },
    ];

    for (const s of ampm) {
      it(`handles ${s.value}`, () => {
        expect(parseUserTime(s.value)).toBe(s.expect);
      });
    }
  });

  describe('it infers separators when non existent', () => {
    const testCases = [
      { value: '1', expect: MILLIS_PER_MINUTE }, // 00:01:00
      { value: '12', expect: 12 * MILLIS_PER_MINUTE }, // 00:12:00
      { value: '123', expect: MILLIS_PER_HOUR + 23 * MILLIS_PER_MINUTE }, // 01:23:00
      { value: '1234', expect: 12 * MILLIS_PER_HOUR + 34 * MILLIS_PER_MINUTE }, // 12:34:00
      { value: '12345', expect: 12 * MILLIS_PER_HOUR + 34 * MILLIS_PER_MINUTE + 5 * MILLIS_PER_SECOND }, // 12:34:05
      { value: '123456', expect: 12 * MILLIS_PER_HOUR + 34 * MILLIS_PER_MINUTE + 56 * MILLIS_PER_SECOND }, // 12:34:56
    ];

    for (const s of testCases) {
      it(`handles basic strings digits: ${s.value}`, () => {
        expect(parseUserTime(s.value)).toBe(s.expect);
      });
    }

    const sixDigits = [
      { value: '000000', expect: 0 }, // 00:00:00
      { value: '000001', expect: MILLIS_PER_SECOND }, // 00:00:01
      { value: '000100', expect: MILLIS_PER_MINUTE }, // 00:01:00
      { value: '010000', expect: MILLIS_PER_HOUR }, // 01:00:00
      { value: '230000', expect: MILLIS_PER_HOUR * 23 }, // 23:00:00
      { value: '121212', expect: 12 * MILLIS_PER_HOUR + 12 * MILLIS_PER_MINUTE + 12 * MILLIS_PER_SECOND }, // 12:12:12
    ];

    for (const s of sixDigits) {
      it(`handles string with 6 digits: ${s.value}`, () => {
        expect(parseUserTime(s.value)).toBe(s.expect);
      });
    }

    const fiveDigits = [
      { value: '00000', expect: 0 },
      { value: '00001', expect: MILLIS_PER_SECOND }, // 00:00:01
      { value: '00010', expect: MILLIS_PER_MINUTE }, // 00:01:00
      { value: '00100', expect: 10 * MILLIS_PER_MINUTE }, // 00:10:00
      { value: '01000', expect: MILLIS_PER_HOUR }, // 01:00:00
      { value: '10000', expect: 10 * MILLIS_PER_HOUR }, // 10:00:00
      { value: '23000', expect: 23 * MILLIS_PER_HOUR }, // 23:00:00
      { value: '12121', expect: 12 * MILLIS_PER_HOUR + 12 * MILLIS_PER_MINUTE + 1 * MILLIS_PER_SECOND }, // 12:12:01
    ];

    for (const s of fiveDigits) {
      it(`handles string with 5 digits: ${s.value}`, () => {
        expect(parseUserTime(s.value)).toBe(s.expect);
      });
    }

    const fourDigits = [
      { value: '0000', expect: 0 },
      { value: '0001', expect: MILLIS_PER_MINUTE }, // 00:01:00
      { value: '0010', expect: 10 * MILLIS_PER_MINUTE }, // 00:10:00
      { value: '0100', expect: MILLIS_PER_HOUR }, // 01:00:00
      { value: '1000', expect: 10 * MILLIS_PER_HOUR }, // 10:00:00
      { value: '2300', expect: 23 * MILLIS_PER_HOUR }, // 23:00:00
      { value: '1212', expect: 12 * MILLIS_PER_HOUR + 12 * MILLIS_PER_MINUTE }, // 12:12:00
    ];

    for (const s of fourDigits) {
      it(`handles string with 4 digits: ${s.value}`, () => {
        expect(parseUserTime(s.value)).toBe(s.expect);
      });
    }

    const threeDigits = [
      { value: '000', expect: 0 },
      { value: '001', expect: MILLIS_PER_MINUTE }, // 00:01:00
      { value: '010', expect: 10 * MILLIS_PER_MINUTE }, // 00:10:00
      { value: '100', expect: MILLIS_PER_HOUR }, // 01:00:00
      { value: '230', expect: 2 * MILLIS_PER_HOUR + 30 * MILLIS_PER_MINUTE }, // 02:30:00
      { value: '121', expect: MILLIS_PER_HOUR + 21 * MILLIS_PER_MINUTE }, // 01:21:00
    ];

    for (const s of threeDigits) {
      it(`handles string with 3 digits: ${s.value}`, () => {
        expect(parseUserTime(s.value)).toBe(s.expect);
      });
    }

    const twoDigits = [
      { value: '00', expect: 0 },
      { value: '01', expect: MILLIS_PER_MINUTE }, // 00:01:00
      { value: '10', expect: 10 * MILLIS_PER_MINUTE }, // 00:10:00
      { value: '23', expect: 23 * MILLIS_PER_MINUTE }, // 00:23:00
    ];

    for (const s of twoDigits) {
      it(`handles string with 2 digits: ${s.value}`, () => {
        expect(parseUserTime(s.value)).toBe(s.expect);
      });
    }

    const singleDigit = [...Array(10).keys()];

    for (const s of singleDigit) {
      it(`handles string with a single digits ${s}`, () => {
        expect(parseUserTime(`${s}`)).toBe(s * 1000 * 60);
      });
    }
  });

  describe('handles overflows', () => {
    const ts = [
      // minutes overflow
      { value: '99', expect: 99 * MILLIS_PER_MINUTE },
      { value: '1.39.0', expect: 99 * MILLIS_PER_MINUTE },
      // seconds overflow
      { value: '0.0.120', expect: 120 * MILLIS_PER_SECOND },
      { value: '0.2.0', expect: 120 * MILLIS_PER_SECOND },
      { value: '0.0.99', expect: 99 * MILLIS_PER_SECOND },
      { value: '0.1.39', expect: 99 * MILLIS_PER_SECOND },
      // hours overflow
      { value: '25.0.0', expect: 25 * MILLIS_PER_HOUR },
      // hours overflow
      { value: '50.0.0', expect: 50 * MILLIS_PER_HOUR },
    ];

    for (const s of ts) {
      it(`handles ${s.value} to the left`, () => {
        expect(parseUserTime(s.value)).toBe(s.expect);
      });
    }
  });

  describe('test fillLeft', () => {
    describe('function handles separators', () => {
      const testData = [
        { value: '1:2:3:10', expect: MILLIS_PER_HOUR + 2 * MILLIS_PER_MINUTE + 3 * MILLIS_PER_SECOND }, // 01:02:03
        { value: '2,10', expect: 2 * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE },
        { value: '2.10', expect: 2 * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE },
        { value: '2 10', expect: 2 * MILLIS_PER_HOUR + 10 * MILLIS_PER_MINUTE },
      ];

      for (const s of testData) {
        it(`handles ${s.value}`, () => {
          expect(typeof parseUserTime(s.value)).toBe('number');
          expect(parseUserTime(s.value)).toBe(s.expect);
        });
      }
    });

    describe('parses strings correctly', () => {
      const ts = [
        { value: '1.2', expect: MILLIS_PER_HOUR + 2 * MILLIS_PER_MINUTE },
        { value: '1.70', expect: MILLIS_PER_HOUR + 70 * MILLIS_PER_MINUTE },
      ];

      for (const s of ts) {
        it(`handles ${s.value}`, () => {
          expect(parseUserTime(s.value)).toBe(s.expect);
        });
      }
    });

    describe('handles overflows', () => {
      const ts = [
        // minutes overflow
        { value: '0.120', expect: 120 * MILLIS_PER_MINUTE },
        { value: '0.99', expect: 99 * MILLIS_PER_MINUTE },
      ];

      for (const s of ts) {
        it(`handles ${s.value}`, () => {
          expect(parseUserTime(s.value)).toBe(s.expect);
        });
      }
    });
  });
});