import { CommonCfg } from './CommonCfg';
import { RootCfg } from './RootCfg';

test('RootCfg: constructor works', () => {
    const rc = new RootCfg({
        logLevels: ['ohno', 'huh', 'lolwut'],
    });

    expect(rc).toMatchInlineSnapshot(`
RootCfg {
  "logLevels": Array [
    "ohno",
    "huh",
    "lolwut",
  ],
  "name": "root",
  "parent": undefined,
}
`);
});

test('RootCfg: will choose the most permissive logLevel if none specified', () => {
    const rc = new RootCfg({
        logLevels: ['ohno', 'huh', 'lolwut'],
    });
    expect(rc.getConfig().logLevel).toEqual('lolwut');
});

test('CommonCfg: a child will inherit logLevel', () => {
    const rc = new RootCfg({
        logLevels: ['ohno', 'huh', 'lolwut'],
    });

    const cc = rc.getChild('son of rc');

    expect(cc.getConfig().logLevel).toEqual('lolwut');
});

test('CommonCfg: a child can override logLevel', () => {
    const rc = new RootCfg({
        logLevels: ['ohno', 'huh', 'lolwut'],
    });

    const cc = rc.getChild('son of rc', {
        logLevel: 'huh',
    });

    expect(cc.getConfig().logLevel).toEqual('huh');
});

test('CommonCfg: a child of a child will inherit logLevel from root', () => {
    const rc = new RootCfg({
        logLevels: ['ohno', 'huh', 'lolwut'],
    });

    const cc = rc.getChild('son of rc');
    const ccc = cc.getChild('son of cc');


    expect(ccc.getConfig().logLevel).toEqual('lolwut');
});


test('CommonCfg: a child will inherit logLevels', () => {
    const rc = new RootCfg({
        logLevels: ['ohno', 'huh', 'lolwut'],
    });

    const cc = rc.getChild('son of rc');

    expect(cc.getConfig().logLevels).toEqual(['ohno', 'huh', 'lolwut']);
});

test('CommonCfg (context): a child will inherit context', () => {
    const rc = new RootCfg({
        logLevels: ['ohno', 'huh', 'lolwut'],
        context: {
            isFrom: 'rootcfg',
        },
    });

    const cc = rc.getChild('son of rc');

    expect(cc.getConfig().context).toEqual({
        isFrom: 'rootcfg',
    });
});

test('CommonCfg (context): a cfg and replace its own context', () => {
    const rc = new RootCfg({
        logLevels: ['ohno', 'huh', 'lolwut'],
        context: {
            isFrom: 'rootcfg',
        },
    });

    rc.setContext({
        somethingNew: 'is here',
    })

    expect(rc.getConfig().context).toEqual({
        somethingNew: 'is here',
    });
});

test('CommonCfg (context): a cfg and add/modify its own context', () => {
    const rc = new RootCfg({
        logLevels: ['ohno', 'huh', 'lolwut'],
        context: {
            isFrom: 'rootcfg',
        },
    });

    rc.addContext({
        somethingNew: 'is here',
    })

    expect(rc.getConfig().context).toEqual({
        isFrom: 'rootcfg',
        somethingNew: 'is here',
    });
});


test('CommonCfg (context): a cfg and add/modify its own context even if it is undefined', () => {
    const rc = new RootCfg({
        logLevels: ['ohno', 'huh', 'lolwut'],
    });

    rc.addContext({
        somethingNew: 'is here',
    })

    expect(rc.getConfig().context).toEqual({
        somethingNew: 'is here',
    });
});

test('CommonCfg: can replace its own config', () => {
    const rc = new CommonCfg('something', {
        logLevel: 'something',
        debugVar: 'abc',
    });
    rc.setConfig({
        logLevel: 'somethingElse',
    }, true);
    expect(rc.getLogLevel()).toEqual('somethingElse');
    expect(rc.getDebugVar()).toEqual(undefined);
});