/**
 * Component tests for WeeklyCodeActivity.
 * Validates rendering with stacked area chart data.
 */
import { describe, it, expect } from 'vitest';
import { mount } from '@vue/test-utils';
import WeeklyCodeActivity from '@/components/charts/WeeklyCodeActivity.vue';

const mockWeeks = [
  {
    weekStart: '2026-03-02',
    members: [
      { userId: 'u1', name: 'Alice', commits: 12, prs: 3 },
      { userId: 'u2', name: 'Bob', commits: 8, prs: 2 },
    ],
  },
  {
    weekStart: '2026-03-09',
    members: [
      { userId: 'u1', name: 'Alice', commits: 15, prs: 4 },
      { userId: 'u2', name: 'Bob', commits: 10, prs: 1 },
    ],
  },
];

describe('WeeklyCodeActivity', () => {
  it('should mount with weeks data', () => {
    const wrapper = mount(WeeklyCodeActivity, {
      props: { weeks: mockWeeks },
    });
    expect(wrapper.exists()).toBe(true);
  });

  it('should have chart container', () => {
    const wrapper = mount(WeeklyCodeActivity, {
      props: { weeks: mockWeeks },
    });
    expect(wrapper.find('.weekly-code-activity').exists()).toBe(true);
  });

  it('should handle empty weeks', () => {
    const wrapper = mount(WeeklyCodeActivity, {
      props: { weeks: [] },
    });
    expect(wrapper.exists()).toBe(true);
  });

  it('should handle single member', () => {
    const wrapper = mount(WeeklyCodeActivity, {
      props: {
        weeks: [
          {
            weekStart: '2026-03-02',
            members: [{ userId: 'u1', name: 'Solo', commits: 5, prs: 1 }],
          },
        ],
      },
    });
    expect(wrapper.exists()).toBe(true);
  });
});