// src/generators/rclone-conf.test.ts
// Tests for buildRcloneConf — rclone INI config generator.
// RED: imports will fail until Plan 02-02 creates rclone-conf.ts.

import { buildRcloneConf } from './rclone-conf';
import { INITIAL_STATE } from '../store/types';
import type { WizardState } from '../store/types';

// --- Fixtures ---

const azureState: WizardState = {
  ...INITIAL_STATE,
  remote: {
    name: 'my-azure',
    backendType: 'azureblob',
    params: { account: 'mystorageaccount', key: 'BASE64KEY', sas_url: '' },
  },
};

const s3State: WizardState = {
  ...INITIAL_STATE,
  remote: {
    name: 'my-s3',
    backendType: 's3',
    params: {
      provider: 'AWS',
      access_key_id: 'AKID',
      secret_access_key: 'SKEY',
      region: 'us-east-1',
    },
  },
};

const s3CompatibleState: WizardState = {
  ...INITIAL_STATE,
  remote: {
    name: 'my-wasabi',
    backendType: 's3-compatible',
    params: {
      provider: 'Other',
      access_key_id: 'WCID',
      secret_access_key: 'WSKEY',
      endpoint: 'https://s3.wasabisys.com',
      region: '',
    },
  },
};

// --- Tests ---

describe('buildRcloneConf — azureblob', () => {
  it('contains the remote section header', () => {
    const output = buildRcloneConf(azureState);
    expect(output).toContain('[my-azure]');
  });

  it('contains type = azureblob', () => {
    const output = buildRcloneConf(azureState);
    expect(output).toContain('type = azureblob');
  });

  it('contains account value', () => {
    const output = buildRcloneConf(azureState);
    expect(output).toContain('account = mystorageaccount');
  });

  it('contains key value', () => {
    const output = buildRcloneConf(azureState);
    expect(output).toContain('key = BASE64KEY');
  });

  it('omits sas_url when empty', () => {
    const output = buildRcloneConf(azureState);
    expect(output).not.toContain('sas_url');
  });
});

describe('buildRcloneConf — s3', () => {
  it('contains the remote section header', () => {
    const output = buildRcloneConf(s3State);
    expect(output).toContain('[my-s3]');
  });

  it('contains type = s3', () => {
    const output = buildRcloneConf(s3State);
    expect(output).toContain('type = s3');
  });

  it('contains provider = AWS', () => {
    const output = buildRcloneConf(s3State);
    expect(output).toContain('provider = AWS');
  });

  it('contains access_key_id', () => {
    const output = buildRcloneConf(s3State);
    expect(output).toContain('access_key_id = AKID');
  });

  it('contains secret_access_key', () => {
    const output = buildRcloneConf(s3State);
    expect(output).toContain('secret_access_key = SKEY');
  });

  it('contains region', () => {
    const output = buildRcloneConf(s3State);
    expect(output).toContain('region = us-east-1');
  });
});

describe('buildRcloneConf — s3-compatible', () => {
  it('uses type = s3 (not type = s3-compatible)', () => {
    const output = buildRcloneConf(s3CompatibleState);
    expect(output).toContain('type = s3');
    expect(output).not.toContain('type = s3-compatible');
  });

  it('contains provider = Other', () => {
    const output = buildRcloneConf(s3CompatibleState);
    expect(output).toContain('provider = Other');
  });

  it('contains endpoint', () => {
    const output = buildRcloneConf(s3CompatibleState);
    expect(output).toContain('endpoint = https://s3.wasabisys.com');
  });

  it('omits region when empty', () => {
    const output = buildRcloneConf(s3CompatibleState);
    expect(output).not.toContain('region');
  });
});

describe('buildRcloneConf — error cases', () => {
  it('throws when backendType is null', () => {
    const state: WizardState = {
      ...INITIAL_STATE,
      remote: { name: 'test', backendType: null, params: {} },
    };
    expect(() => buildRcloneConf(state)).toThrow();
  });

  it('throws when remote name is empty string', () => {
    const state: WizardState = {
      ...INITIAL_STATE,
      remote: { name: '', backendType: 'azureblob', params: { account: 'acc', key: 'k', sas_url: '' } },
    };
    expect(() => buildRcloneConf(state)).toThrow();
  });
});