/* eslint-disable @typescript-eslint/no-unused-vars */
import { describe, it, expect, vi, beforeEach } from 'vitest';
import { getWorktreesWithStatus } from '../src/utils/git/index.js';

// React InkのUIコンポーネントをモック化
vi.mock('ink', () => ({
  render: vi.fn(),
  Box: ({ children }: any) => children,
  Text: ({ children }: any) => children,
  useInput: vi.fn(),
  useApp: vi.fn(() => ({ exit: vi.fn() })),
}));

vi.mock('ink-select-input', () => ({
  default: vi.fn(({ items, onSelect }: any) => {
    // モックでの選択処理
    return null;
  }),
}));

vi.mock('../src/utils/git/index.js', () => ({
  getWorktreesWithStatus: vi.fn(),
}));

const mockGetWorktreesWithStatus = vi.mocked(getWorktreesWithStatus);

// UIコンポーネントのモック実装
interface SelectItem {
  label: string;
  value: any;
}

interface SelectInputProps {
  items: SelectItem[];
  onSelect: (item: SelectItem) => void;
  initialIndex?: number;
}

// 検索機能のモック実装
function search(items: SelectItem[], query: string): SelectItem[] {
  if (!query) return items;

  return items.filter(
    (item) =>
      item.label.toLowerCase().includes(query.toLowerCase()) ||
      item.value.toString().toLowerCase().includes(query.toLowerCase())
  );
}

// 複数選択機能のモック実装
interface MultiSelectItem extends SelectItem {
  selected?: boolean;
}

interface MultiSelectInputProps {
  items: MultiSelectItem[];
  onSubmit: (selectedItems: MultiSelectItem[]) => void;
}

describe('Interactive UI Integration Tests', () => {
  beforeEach(() => {
    vi.clearAllMocks();
  });

  describe('Single Selection UI', () => {
    // 基本的な単一選択UIをテスト
    it('should display worktrees for single selection', async () => {
      const mockWorktrees = [
        {
          path: '/Users/test/project',
          head: '1234567890abcdef',
          branch: 'refs/heads/main',
          status: 'NORMAL',
          isActive: false,
          isMain: true,
        },
        {
          path: '/Users/test/git-worktrees/project/feature-branch',
          head: 'abcdef1234567890',
          branch: 'refs/heads/feature-branch',
          status: 'NORMAL',
          isActive: false,
          isMain: false,
        },
      ];

      mockGetWorktreesWithStatus.mockResolvedValue(mockWorktrees);

      // UIアイテムの生成
      const items: SelectItem[] = mockWorktrees.map((w) => ({
        label: `${w.status === 'ACTIVE' ? '* ' : '  '}${w.branch.replace('refs/heads/', '')} (${w.path})`,
        value: w,
      }));

      expect(items).toHaveLength(2);
      expect(items[0].label).toBe('  main (/Users/test/project)');
      expect(items[1].label).toBe(
        '  feature-branch (/Users/test/git-worktrees/project/feature-branch)'
      );
    });

    // ACTIVE状態のworktreeマーキングをテスト
    it('should mark active worktree with asterisk', async () => {
      const mockWorktrees = [
        {
          path: '/Users/test/project',
          head: '1234567890abcdef',
          branch: 'refs/heads/main',
          status: 'NORMAL',
          isActive: false,
          isMain: true,
        },
        {
          path: '/Users/test/git-worktrees/project/feature-branch',
          head: 'abcdef1234567890',
          branch: 'refs/heads/feature-branch',
          status: 'ACTIVE',
          isActive: true,
          isMain: false,
        },
      ];

      mockGetWorktreesWithStatus.mockResolvedValue(mockWorktrees);

      const items: SelectItem[] = mockWorktrees.map((w) => ({
        label: `${w.status === 'ACTIVE' ? '* ' : '  '}${w.branch.replace('refs/heads/', '')} (${w.path})`,
        value: w,
      }));

      expect(items[0].label).toBe('  main (/Users/test/project)');
      expect(items[1].label).toBe(
        '* feature-branch (/Users/test/git-worktrees/project/feature-branch)'
      );
    });

    // ユーザー選択処理をテスト
    it('should handle user selection correctly', async () => {
      const mockWorktrees = [
        {
          path: '/Users/test/git-worktrees/project/feature-branch',
          head: 'abcdef1234567890',
          branch: 'refs/heads/feature-branch',
          status: 'NORMAL',
          isActive: false,
          isMain: false,
        },
      ];

      mockGetWorktreesWithStatus.mockResolvedValue(mockWorktrees);

      const items: SelectItem[] = mockWorktrees.map((w) => ({
        label: `  ${w.branch.replace('refs/heads/', '')} (${w.path})`,
        value: w,
      }));

      // ユーザーが選択したと仮定
      const selectedItem = items[0];
      const onSelect = vi.fn();

      onSelect(selectedItem);

      expect(onSelect).toHaveBeenCalledWith(selectedItem);
      expect(selectedItem.value.path).toBe(
        '/Users/test/git-worktrees/project/feature-branch'
      );
    });
  });

  describe('Multi-Selection UI', () => {
    // 複数選択UIの基本機能をテスト
    it('should support multiple selection for removal operations', async () => {
      const mockWorktrees = [
        {
          path: '/Users/test/project',
          head: '1234567890abcdef',
          branch: 'refs/heads/main',
          status: 'NORMAL',
          isActive: false,
          isMain: true,
        },
        {
          path: '/Users/test/git-worktrees/project/merged-1',
          head: 'abcdef1234567890',
          branch: 'refs/heads/merged-1',
          status: 'PRUNABLE',
          isActive: false,
          isMain: false,
        },
        {
          path: '/Users/test/git-worktrees/project/merged-2',
          head: 'fedcba0987654321',
          branch: 'refs/heads/merged-2',
          status: 'PRUNABLE',
          isActive: false,
          isMain: false,
        },
      ];

      mockGetWorktreesWithStatus.mockResolvedValue(mockWorktrees);

      // メインworktreeを除外
      const selectableWorktrees = mockWorktrees.filter((w) => !w.isMain);

      const multiSelectItems: MultiSelectItem[] = selectableWorktrees.map(
        (w) => ({
          label: `${w.branch.replace('refs/heads/', '')} (${w.status})`,
          value: w,
          selected: false,
        })
      );

      expect(multiSelectItems).toHaveLength(2);
      expect(multiSelectItems[0].label).toBe('merged-1 (PRUNABLE)');
      expect(multiSelectItems[1].label).toBe('merged-2 (PRUNABLE)');
    });

    // 選択状態の切り替えをテスト
    it('should toggle selection state correctly', () => {
      const items: MultiSelectItem[] = [
        { label: 'Item 1', value: 'value1', selected: false },
        { label: 'Item 2', value: 'value2', selected: false },
      ];

      // 1つ目を選択
      items[0].selected = true;
      expect(items[0].selected).toBe(true);
      expect(items[1].selected).toBe(false);

      // 2つ目も選択
      items[1].selected = true;
      expect(items[0].selected).toBe(true);
      expect(items[1].selected).toBe(true);

      // 1つ目の選択を解除
      items[0].selected = false;
      expect(items[0].selected).toBe(false);
      expect(items[1].selected).toBe(true);
    });

    // 選択された項目の送信をテスト
    it('should submit only selected items', () => {
      const items: MultiSelectItem[] = [
        { label: 'Item 1', value: 'value1', selected: true },
        { label: 'Item 2', value: 'value2', selected: false },
        { label: 'Item 3', value: 'value3', selected: true },
      ];

      const selectedItems = items.filter((item) => item.selected);
      const onSubmit = vi.fn();

      onSubmit(selectedItems);

      expect(onSubmit).toHaveBeenCalledWith([
        { label: 'Item 1', value: 'value1', selected: true },
        { label: 'Item 3', value: 'value3', selected: true },
      ]);
    });
  });

  describe('Search Functionality', () => {
    // 検索の基本機能をテスト
    it('should filter items based on search query', () => {
      const items: SelectItem[] = [
        { label: 'feature-auth', value: 'feature-auth' },
        { label: 'feature-ui', value: 'feature-ui' },
        { label: 'bugfix-login', value: 'bugfix-login' },
        { label: 'main', value: 'main' },
      ];

      const query = 'feature';
      const filteredItems = search(items, query);

      expect(filteredItems).toHaveLength(2);
      expect(filteredItems[0].label).toBe('feature-auth');
      expect(filteredItems[1].label).toBe('feature-ui');
    });

    // 大文字小文字を区別しない検索をテスト
    it('should perform case-insensitive search', () => {
      const items: SelectItem[] = [
        { label: 'Feature-Auth', value: 'feature-auth' },
        { label: 'BUGFIX-LOGIN', value: 'bugfix-login' },
        { label: 'main', value: 'main' },
      ];

      const query = 'feature';
      const filteredItems = search(items, query);

      expect(filteredItems).toHaveLength(1);
      expect(filteredItems[0].label).toBe('Feature-Auth');
    });

    // 部分一致検索をテスト
    it('should support partial matching', () => {
      const items: SelectItem[] = [
        { label: 'user-authentication', value: 'user-auth' },
        { label: 'user-interface', value: 'user-ui' },
        { label: 'server-config', value: 'server' },
      ];

      const query = 'user';
      const filteredItems = search(items, query);

      expect(filteredItems).toHaveLength(2);
      expect(filteredItems[0].label).toBe('user-authentication');
      expect(filteredItems[1].label).toBe('user-interface');
    });

    // 空のクエリでの動作をテスト
    it('should return all items when query is empty', () => {
      const items: SelectItem[] = [
        { label: 'item1', value: 'value1' },
        { label: 'item2', value: 'value2' },
        { label: 'item3', value: 'value3' },
      ];

      const query = '';
      const filteredItems = search(items, query);

      expect(filteredItems).toEqual(items);
    });

    // マッチしない検索をテスト
    it('should return empty array when no items match', () => {
      const items: SelectItem[] = [
        { label: 'feature-auth', value: 'feature-auth' },
        { label: 'bugfix-login', value: 'bugfix-login' },
      ];

      const query = 'nonexistent';
      const filteredItems = search(items, query);

      expect(filteredItems).toHaveLength(0);
    });
  });

  describe('Keyboard Navigation', () => {
    // キーボードナビゲーションのテスト
    it('should handle arrow key navigation', () => {
      const items: SelectItem[] = [
        { label: 'Item 1', value: 'value1' },
        { label: 'Item 2', value: 'value2' },
        { label: 'Item 3', value: 'value3' },
      ];

      let currentIndex = 0;

      // 下矢印キー
      const handleKeyDown = (key: string) => {
        if (key === 'down' && currentIndex < items.length - 1) {
          currentIndex++;
        } else if (key === 'up' && currentIndex > 0) {
          currentIndex--;
        }
      };

      expect(currentIndex).toBe(0);

      handleKeyDown('down');
      expect(currentIndex).toBe(1);

      handleKeyDown('down');
      expect(currentIndex).toBe(2);

      handleKeyDown('down'); // 範囲外は移動しない
      expect(currentIndex).toBe(2);

      handleKeyDown('up');
      expect(currentIndex).toBe(1);
    });

    // Enterキーでの選択をテスト
    it('should handle Enter key for selection', () => {
      const items: SelectItem[] = [
        { label: 'Item 1', value: 'value1' },
        { label: 'Item 2', value: 'value2' },
      ];

      const currentIndex = 1;
      const onSelect = vi.fn();

      const handleKeyPress = (key: string) => {
        if (key === 'return') {
          onSelect(items[currentIndex]);
        }
      };

      handleKeyPress('return');

      expect(onSelect).toHaveBeenCalledWith(items[1]);
    });

    // ESCキーでのキャンセルをテスト
    it('should handle Escape key for cancellation', () => {
      const onCancel = vi.fn();

      const handleKeyPress = (key: string) => {
        if (key === 'escape') {
          onCancel();
        }
      };

      handleKeyPress('escape');

      expect(onCancel).toHaveBeenCalled();
    });

    // スペースキーでの複数選択切り替えをテスト
    it('should handle Space key for multi-selection toggle', () => {
      const items: MultiSelectItem[] = [
        { label: 'Item 1', value: 'value1', selected: false },
        { label: 'Item 2', value: 'value2', selected: false },
      ];

      const currentIndex = 0;

      const handleKeyPress = (key: string) => {
        if (key === 'space') {
          items[currentIndex].selected = !items[currentIndex].selected;
        }
      };

      expect(items[0].selected).toBe(false);

      handleKeyPress('space');
      expect(items[0].selected).toBe(true);

      handleKeyPress('space');
      expect(items[0].selected).toBe(false);
    });
  });

  describe('Status Display', () => {
    // ステータス情報の表示をテスト
    it('should display worktree status correctly', async () => {
      const mockWorktrees = [
        {
          path: '/Users/test/project',
          head: '1234567',
          branch: 'refs/heads/main',
          status: 'NORMAL',
          isActive: false,
          isMain: true,
        },
        {
          path: '/Users/test/git-worktrees/project/feature',
          head: 'abcdef1',
          branch: 'refs/heads/feature',
          status: 'ACTIVE',
          isActive: true,
          isMain: false,
        },
        {
          path: '/Users/test/git-worktrees/project/merged',
          head: 'fedcba9',
          branch: 'refs/heads/merged',
          status: 'PRUNABLE',
          isActive: false,
          isMain: false,
        },
        {
          path: '/Users/test/git-worktrees/project/locked',
          head: '123abc4',
          branch: 'refs/heads/locked',
          status: 'LOCKED',
          isActive: false,
          isMain: false,
        },
      ];

      mockGetWorktreesWithStatus.mockResolvedValue(mockWorktrees);

      const items: SelectItem[] = mockWorktrees.map((w) => {
        const statusIcon =
          {
            ACTIVE: '* ',
            NORMAL: '  ',
            PRUNABLE: '⚠ ',
            LOCKED: '🔒',
          }[w.status] || '  ';

        return {
          label: `${statusIcon}${w.branch.replace('refs/heads/', '')} (${w.status})`,
          value: w,
        };
      });

      expect(items[0].label).toBe('  main (NORMAL)');
      expect(items[1].label).toBe('* feature (ACTIVE)');
      expect(items[2].label).toBe('⚠ merged (PRUNABLE)');
      expect(items[3].label).toBe('🔒locked (LOCKED)');
    });

    // コミットハッシュの短縮表示をテスト
    it('should display shortened commit hashes', async () => {
      const mockWorktrees = [
        {
          path: '/Users/test/git-worktrees/project/feature',
          head: '1234567890abcdef1234567890abcdef12345678',
          branch: 'refs/heads/feature',
          status: 'NORMAL',
          isActive: false,
          isMain: false,
        },
      ];

      mockGetWorktreesWithStatus.mockResolvedValue(mockWorktrees);

      const items: SelectItem[] = mockWorktrees.map((w) => ({
        label: `  ${w.branch.replace('refs/heads/', '')} (${w.head.substring(0, 7)})`,
        value: w,
      }));

      expect(items[0].label).toBe('  feature (1234567)');
    });
  });

  describe('Empty State Handling', () => {
    // 空のリストの処理をテスト
    it('should handle empty worktree list gracefully', async () => {
      mockGetWorktreesWithStatus.mockResolvedValue([]);

      const worktrees = await mockGetWorktreesWithStatus();
      const items: SelectItem[] = worktrees.map((w) => ({
        label: w.branch,
        value: w,
      }));

      expect(items).toHaveLength(0);
    });

    // フィルタリング後の空結果をテスト
    it('should handle empty filtered results', () => {
      const items: SelectItem[] = [
        { label: 'feature-auth', value: 'feature-auth' },
        { label: 'bugfix-login', value: 'bugfix-login' },
      ];

      const query = 'nonexistent';
      const filteredItems = search(items, query);

      expect(filteredItems).toHaveLength(0);
    });
  });
});
