import { CliCommandDefinition, CliCommandHandler, CliParsedCommandHandler, CliProgramDefinition, ParsedCliCommand } from '../src';
import { createProgram, parseCommandLine } from './helpers/utils';

describe('Unkown Commands', () => {

    const buildCmdDef: CliCommandDefinition = {
        name: 'build',
        description: 'my description',
        arguments: [
            {
                name: 'src',
                description: 'Source file'
            },
            {
                name: 'dest',
                description: 'Desination File',
                isOptional: true,
                default: 'Default Value'
            },
        ],
        options: [
            {
                name: 'output',
                flag: '-o',
                description: 'output description',
            },
        ],
    };

    const program = createProgram('test1', buildCmdDef);
    const p1 = parseCommandLine('biuld', program);

    it('should have a single command error for unkown command', () => {
        expect(p1.errors.commandErrors).toHaveLength(1);
    })

    it('should suggest the build command for a similar unkown name', () => {
        expect(p1.errors.unknownCommandSuggestions[0]).toEqual('build');
    })

    const buildCmdDefWithDefaultAndNoArgs: CliCommandDefinition = {
        name: 'build',
        description: 'my description',
        arguments: [],
        options: [
            {
                name: 'output',
                flag: '-o',
                description: 'output description',
            },
        ],
    };


    const programWithDefaultNoArgs = createProgram('test1', buildCmdDefWithDefaultAndNoArgs, 'build');
    const p2 = parseCommandLine('biuld', programWithDefaultNoArgs);

    it('should suggest the build command for a similar unkown name, when there is a default command with no arguments', () => {
        expect(p2.errors.unknownCommandSuggestions).toHaveLength(1);
        expect(p2.errors.unknownCommandSuggestions[0]).toEqual('build');
    })
    

    const programWithDefaultAndArgs = createProgram('test1', buildCmdDef, 'build');
    const p3 = parseCommandLine('biuld', programWithDefaultAndArgs);

    it('should not suggest default command with similar mis-spelled cli arg when default command has args (since mis-spelled cli could be arg)', () => {
        expect(p3.errors.unknownCommandSuggestions).toHaveLength(0);
    })



})