import { describe, it, expect } from 'vitest';
import { Mnemonic, MnemonicRaw } from '~/src/mnemonic';

describe('Success cases', () => {
  // Simple array of cases
  const testCases: Array<{
    fromString: string;
    fromWords: Array<string>;
    passphrase?: string;
    raw: MnemonicRaw;
    toString: string;
    toStringWithoutPassphrase: string;
    toWords: Array<string>;
    toWordsWithoutPassphrase: Array<string>;
  }> = [
    // No pass-phrase
    {
      fromString:
        'goose just fan kidney barrel album wave crowd movie flame cousin exhaust',
      fromWords: [
        'goose',
        'just',
        'fan',
        'kidney',
        'barrel',
        'album',
        'wave',
        'crowd',
        'movie',
        'flame',
        'cousin',
        'exhaust',
      ],
      raw: {
        words: [
          'goose',
          'just',
          'fan',
          'kidney',
          'barrel',
          'album',
          'wave',
          'crowd',
          'movie',
          'flame',
          'cousin',
          'exhaust',
        ],
      },
      toString:
        'goose just fan kidney barrel album wave crowd movie flame cousin exhaust',
      toStringWithoutPassphrase:
        'goose just fan kidney barrel album wave crowd movie flame cousin exhaust',
      toWords: [
        'goose',
        'just',
        'fan',
        'kidney',
        'barrel',
        'album',
        'wave',
        'crowd',
        'movie',
        'flame',
        'cousin',
        'exhaust',
      ],
      toWordsWithoutPassphrase: [
        'goose',
        'just',
        'fan',
        'kidney',
        'barrel',
        'album',
        'wave',
        'crowd',
        'movie',
        'flame',
        'cousin',
        'exhaust',
      ],
    },
    // Passphrase
    {
      fromString:
        'goose just fan kidney barrel album wave crowd movie flame cousin exhaust GeneralProtocols!',
      fromWords: [
        'goose',
        'just',
        'fan',
        'kidney',
        'barrel',
        'album',
        'wave',
        'crowd',
        'movie',
        'flame',
        'cousin',
        'exhaust',
        'GeneralProtocols!',
      ],
      passphrase: 'GeneralProtocols!',
      raw: {
        words: [
          'goose',
          'just',
          'fan',
          'kidney',
          'barrel',
          'album',
          'wave',
          'crowd',
          'movie',
          'flame',
          'cousin',
          'exhaust',
        ],
        passphrase: 'GeneralProtocols!',
      },
      toString:
        'goose just fan kidney barrel album wave crowd movie flame cousin exhaust GeneralProtocols!',
      toStringWithoutPassphrase:
        'goose just fan kidney barrel album wave crowd movie flame cousin exhaust',
      toWords: [
        'goose',
        'just',
        'fan',
        'kidney',
        'barrel',
        'album',
        'wave',
        'crowd',
        'movie',
        'flame',
        'cousin',
        'exhaust',
        'GeneralProtocols!',
      ],
      toWordsWithoutPassphrase: [
        'goose',
        'just',
        'fan',
        'kidney',
        'barrel',
        'album',
        'wave',
        'crowd',
        'movie',
        'flame',
        'cousin',
        'exhaust',
      ],
    },
  ];

  it.each(testCases)(
    'from(string)',
    ({ fromString: phrase, raw: expected }) => {
      const mnemonic = Mnemonic.from(phrase);
      expect(mnemonic.toRaw()).toStrictEqual(expected);
    },
  );

  it.each(testCases)('from(words)', ({ fromWords, raw: expected }) => {
    const mnemonic = Mnemonic.from(fromWords);
    expect(mnemonic.toRaw()).toStrictEqual(expected);
  });

  it.each(testCases)('fromString', ({ fromString, raw: expected }) => {
    const mnemonic = Mnemonic.fromString(fromString);
    expect(mnemonic.toRaw()).toStrictEqual(expected);
  });

  it.each(testCases)('fromWords', ({ fromWords, raw: expected }) => {
    const mnemonic = Mnemonic.fromWords(fromWords);
    expect(mnemonic.toRaw()).toStrictEqual(expected);
  });

  it.each(testCases)('fromWords', ({ fromWords, raw: expected }) => {
    const mnemonic = Mnemonic.fromWords(fromWords);
    expect(mnemonic.toRaw()).toStrictEqual(expected);
  });

  it.each(testCases)('toString', ({ toString, raw }) => {
    const mnemonic = Mnemonic.fromRaw(raw);
    expect(mnemonic.toString()).toStrictEqual(toString);
  });

  it.each(testCases)(
    'toString(withoutPassphrase)',
    ({ toStringWithoutPassphrase, raw }) => {
      const mnemonic = Mnemonic.fromRaw(raw);
      expect(mnemonic.toString(false)).toStrictEqual(toStringWithoutPassphrase);
    },
  );

  it.each(testCases)('toWords', ({ toWords, raw }) => {
    const mnemonic = Mnemonic.fromRaw(raw);
    expect(mnemonic.toWords()).toStrictEqual(toWords);
  });

  it.each(testCases)(
    'toWords(withoutPassphrase)',
    ({ toWordsWithoutPassphrase, passphrase, raw }) => {
      const mnemonic = Mnemonic.fromRaw(raw);
      expect(mnemonic.toWords(false)).toStrictEqual(toWordsWithoutPassphrase);
    },
  );

  it.each(testCases)('getPassphrase', ({ passphrase, raw }) => {
    const mnemonic = Mnemonic.fromRaw(raw);
    expect(mnemonic.getPassphrase()).toStrictEqual(passphrase);
  });
});

describe('Generate Cases', () => {
  it('generateRandom should return instance of Mnemonic', () => {
    const mnemonic = Mnemonic.generateRandom();
    expect(mnemonic).toBeInstanceOf(Mnemonic);
  });

  it('generateRandom should return instance of Mnemonic with passphrase', () => {
    const mnemonic = Mnemonic.generateRandom('GeneralProtocols!');
    expect(mnemonic).toBeInstanceOf(Mnemonic);
    expect(mnemonic.getPassphrase()).toBe('GeneralProtocols!');
  });
});

describe('Validations', () => {
  it('isValid should succeed if valid mnemonic', () => {
    const isValid = Mnemonic.isValid(
      'goose just fan kidney barrel album wave crowd movie flame cousin exhaust',
    );
    expect(isValid).toBe(true);
  });

  it('isValid should fail if invalid mnemonic', () => {
    // 11 words.
    const isValid = Mnemonic.isValid(
      'goose just fan kidney barrel album wave crowd movie flame cousin',
    );
    expect(isValid).toBe(false);
  });

  it('isValidWord should succeed if word is in word list', () => {
    const isValid = Mnemonic.isValidWord('goose');
    expect(isValid).toBe(true);
  });

  it('isValidWord should fail if word is not in word list', () => {
    const isValid = Mnemonic.isValidWord('fnord');
    expect(isValid).toBe(false);
  });
});

describe('Fail cases', () => {
  it('fromString should fail if invalid number of words', () => {
    expect(() => {
      // 11 words.
      Mnemonic.fromString(
        'goose just fan kidney barrel album wave crowd movie flame cousin',
      );
    }).toThrow();
  });

  it('generateRandom should fail if invalid wordList contains invalid number of words', () => {
    expect(() => {
      // 11 words.
      Mnemonic.generateRandom('GeneralProtocols!', ['one', 'two', 'three']);
    }).toThrow();
  });

  it('fromWords should fail if invalid number of words', () => {
    expect(() => {
      // 11 words.
      Mnemonic.fromWords([
        'goose',
        'just',
        'fan',
        'kidney',
        'barrel',
        'album',
        'wave',
        'crowd',
        'movie',
        'flame',
        'cousin',
      ]);
    }).toThrow();
  });

  it('fromString should fail if word not in dictionary', () => {
    expect(() => {
      // Invalid word "fnord".
      Mnemonic.fromString(
        'fnord just fan kidney barrel album wave crowd movie flame cousin exhaust',
      );
    }).toThrow();
  });

  it('fromWord should fail if word not in dictionary', () => {
    expect(() => {
      // Invalid word "fnord".
      Mnemonic.fromWords([
        'fnord',
        'just',
        'fan',
        'kidney',
        'barrel',
        'album',
        'wave',
        'crowd',
        'movie',
        'flame',
        'cousin',
        'exhaust',
      ]);
    }).toThrow();
  });
});