const { parseStoreCommand, getCommandText } = require('../bot/handlers');
const { STORE_MODES } = require('../constants');

// The two phrase regexes registered in server.js, kept in lock-step here so
// the test suite documents the routing contract (and fails fast if either
// drifts).
const HELP_PHRASE = /^(?:\S+\s+)?help\b/i;
const ST_PHRASE = /^(?:\S+\s+)?st\b/i;

describe('parseStoreCommand', () => {
  it('defaults to INFO mode for a bare st <number>', () => {
    expect(parseStoreCommand('st 305')).toEqual({
      storeNumber: '305',
      mode: STORE_MODES.INFO,
    });
  });

  it('recognises the network subcommand', () => {
    expect(parseStoreCommand('st 305 network')).toEqual({
      storeNumber: '305',
      mode: STORE_MODES.NETWORK,
    });
  });

  it('recognises the pos subcommand', () => {
    expect(parseStoreCommand('st 305 pos')).toEqual({
      storeNumber: '305',
      mode: STORE_MODES.POS,
    });
  });

  it('treats ios and iphone as the same mode', () => {
    expect(parseStoreCommand('st 305 ios').mode).toBe(STORE_MODES.IOS);
    expect(parseStoreCommand('st 305 iphone').mode).toBe(STORE_MODES.IOS);
  });

  it('recognises the phone and av placeholder subcommands', () => {
    expect(parseStoreCommand('st 305 phone').mode).toBe(STORE_MODES.PHONE);
    expect(parseStoreCommand('st 305 av').mode).toBe(STORE_MODES.AV);
  });

  it('does not match "phone" inside another word', () => {
    // "phones" should not pick up PHONE mode — must be a whole word.
    expect(parseStoreCommand('st 305 phones').mode).toBe(STORE_MODES.INFO);
  });

  it('returns null storeNumber when no digits are present', () => {
    expect(parseStoreCommand('st')).toEqual({ storeNumber: null, mode: null });
    expect(parseStoreCommand('st network')).toEqual({ storeNumber: null, mode: null });
  });
});

describe('getCommandText', () => {
  it('prefers trigger.command + trigger.prompt (framework-cleaned text)', () => {
    // What the framework gives us in a group space after stripping the bot
    // mention: command is the matched phrase, prompt is everything after.
    const trigger = {
      command: 'st',
      prompt: ' 782 network',
      message: { text: 'devStoreHealthAnalyzer st 782 network' },
    };
    expect(getCommandText(trigger)).toBe('st 782 network');
  });

  it('handles a DM message (no bot-name prefix) the same way', () => {
    const trigger = {
      command: 'st',
      prompt: ' 782 pos',
      message: { text: 'st 782 pos' },
    };
    expect(getCommandText(trigger)).toBe('st 782 pos');
  });

  it('falls back to message.text when command/prompt are absent', () => {
    expect(getCommandText({ message: { text: 'st 305' } })).toBe('st 305');
  });

  it('returns an empty string for an empty trigger', () => {
    expect(getCommandText({})).toBe('');
    expect(getCommandText(null)).toBe('');
  });
});

describe('route phrase regexes', () => {
  // Direct-message form (no bot name).
  it('matches bare DM commands', () => {
    expect(ST_PHRASE.test('st 782')).toBe(true);
    expect(ST_PHRASE.test('st 782 network')).toBe(true);
    expect(HELP_PHRASE.test('help')).toBe(true);
    expect(HELP_PHRASE.test('help st')).toBe(true);
  });

  // Group-mention form: Webex prepends "BotName " to mentioned messages.
  it('matches group-mention commands with a leading bot-name prefix', () => {
    expect(ST_PHRASE.test('devStoreHealthAnalyzer st 782')).toBe(true);
    expect(ST_PHRASE.test('devStoreHealthAnalyzer st 782 ios')).toBe(true);
    expect(HELP_PHRASE.test('devStoreHealthAnalyzer help')).toBe(true);
  });

  // Don't trigger on similar-looking words.
  it('does not match unrelated words containing "st"', () => {
    expect(ST_PHRASE.test('stop the build')).toBe(false);
    expect(ST_PHRASE.test('start now')).toBe(false);
    expect(ST_PHRASE.test('fast 305')).toBe(false);
  });

  // Don't trigger when the command is buried mid-sentence in a DM.
  it('does not match commands buried more than one word deep', () => {
    expect(ST_PHRASE.test('please run st 305')).toBe(false);
    expect(HELP_PHRASE.test('I really need help')).toBe(false);
  });

  // Disambiguation: "BotName help st" should hit help only, not st.
  it('routes "help st" to help only', () => {
    const msg = 'devStoreHealthAnalyzer help st';
    expect(HELP_PHRASE.test(msg)).toBe(true);
    expect(ST_PHRASE.test(msg)).toBe(false);
  });
});