import { describe, it, expect } from 'vitest';
import { parseCommand, type Command } from '../../src/utils/command';

describe('parseCommand', () => {
    it('should parse empty string', () => {
        const result = parseCommand('');
        expect(result).toEqual({
            name: '',
            flags: {},
            options: {},
            params: []
        });
    });

    it('should parse command name only', () => {
        const result = parseCommand('move');
        expect(result).toEqual({
            name: 'move',
            flags: {},
            options: {},
            params: []
        });
    });

    it('should parse command with params', () => {
        const result = parseCommand('move meeple1 region1');
        expect(result).toEqual({
            name: 'move',
            flags: {},
            options: {},
            params: ['meeple1', 'region1']
        });
    });

    it('should parse command with long flags', () => {
        const result = parseCommand('move meeple1 --force --quiet');
        expect(result).toEqual({
            name: 'move',
            flags: { force: true, quiet: true },
            options: {},
            params: ['meeple1']
        });
    });

    it('should parse command with short flags', () => {
        const result = parseCommand('move meeple1 -f -q');
        expect(result).toEqual({
            name: 'move',
            flags: { f: true, q: true },
            options: {},
            params: ['meeple1']
        });
    });

    it('should parse command with long options', () => {
        const result = parseCommand('move meeple1 --x 10 --y 20');
        expect(result).toEqual({
            name: 'move',
            flags: {},
            options: { x: '10', y: '20' },
            params: ['meeple1']
        });
    });

    it('should parse command with short options', () => {
        const result = parseCommand('move meeple1 -x 10 -y 20');
        expect(result).toEqual({
            name: 'move',
            flags: {},
            options: { x: '10', y: '20' },
            params: ['meeple1']
        });
    });

    it('should parse command with mixed flags和选项', () => {
        const result = parseCommand('move meeple1 region1 --force -x 10 -q');
        expect(result).toEqual({
            name: 'move',
            flags: { force: true, q: true },
            options: { x: '10' },
            params: ['meeple1', 'region1']
        });
    });

    it('should handle extra whitespace', () => {
        const result = parseCommand('  move   meeple1   --force  ');
        expect(result).toEqual({
            name: 'move',
            flags: { force: true },
            options: {},
            params: ['meeple1']
        });
    });

    it('should parse complex command', () => {
        const result = parseCommand('place meeple1 board --x 5 --y 3 --rotate 90 --force');
        expect(result).toEqual({
            name: 'place',
            flags: { force: true },
            options: { x: '5', y: '3', rotate: '90' },
            params: ['meeple1', 'board']
        });
    });

    it('should treat negative number as option value', () => {
        const result = parseCommand('set --value -10');
        expect(result).toEqual({
            name: 'set',
            flags: {},
            options: { value: '-10' },
            params: []
        });
    });

    it('should parse quoted string with double quotes', () => {
        const result = parseCommand('place tile "large castle" --x 5');
        expect(result).toEqual({
            name: 'place',
            flags: {},
            options: { x: '5' },
            params: ['tile', 'large castle']
        });
    });

    it('should parse quoted string with single quotes', () => {
        const result = parseCommand("place tile 'large castle' --x 5");
        expect(result).toEqual({
            name: 'place',
            flags: {},
            options: { x: '5' },
            params: ['tile', 'large castle']
        });
    });

    it('should handle escaped quotes', () => {
        const result = parseCommand('say "hello \\"world\\""');
        expect(result).toEqual({
            name: 'say',
            flags: {},
            options: {},
            params: ['hello "world"']
        });
    });

    it('should handle escaped backslash', () => {
        const result = parseCommand('set path "C:\\\\Users"');
        expect(result).toEqual({
            name: 'set',
            flags: {},
            options: {},
            params: ['path', 'C:\\Users']
        });
    });

    it('should handle mixed quotes', () => {
        const result = parseCommand('cmd "hello world" \'foo bar\' --flag');
        expect(result).toEqual({
            name: 'cmd',
            flags: { flag: true },
            options: {},
            params: ['hello world', 'foo bar']
        });
    });

    it('should handle quote in middle of argument', () => {
        const result = parseCommand('cmd "hello\'s world"');
        expect(result).toEqual({
            name: 'cmd',
            flags: {},
            options: {},
            params: ["hello's world"]
        });
    });
});