/**
 * Tests for ConfigPathManager path resolution and existence handling.
 */

import { describe, it, expect, vi, beforeEach } from "vitest";
import { ConfigPathManager } from "../../dictionary/ConfigPathManager";
import type { App, TFile } from "obsidian";

describe("ConfigPathManager", () => {
  let mockApp: App;
  let mockFile: TFile;

  beforeEach(() => {
    mockFile = {
      path: "_system/dictionary/test.yaml",
      name: "test.yaml",
      extension: "yaml",
      basename: "test",
      stat: {
        size: 100,
        ctime: Date.now(),
        mtime: Date.now(),
      },
    } as TFile;

    mockApp = {
      vault: {
        getAbstractFileByPath: vi.fn(),
        read: vi.fn(),
      },
    } as unknown as App;
  });

  describe("resolvePath", () => {
    it("should resolve existing file path", () => {
      vi.mocked(mockApp.vault.getAbstractFileByPath).mockReturnValue(mockFile);

      const result = ConfigPathManager.resolvePath(mockApp, "_system/dictionary/test.yaml");

      expect(result.exists).toBe(true);
      expect(result.file).toBe(mockFile);
      expect(result.resolvedPath).toBe("_system/dictionary/test.yaml");
      expect(result.error).toBeNull();
    });

    it("should return error when file does not exist", () => {
      vi.mocked(mockApp.vault.getAbstractFileByPath).mockReturnValue(null);

      const result = ConfigPathManager.resolvePath(mockApp, "_system/dictionary/missing.yaml");

      expect(result.exists).toBe(false);
      expect(result.file).toBeNull();
      expect(result.resolvedPath).toBe("_system/dictionary/missing.yaml");
      expect(result.error).toContain("not found");
    });

    it("should normalize path separators", () => {
      vi.mocked(mockApp.vault.getAbstractFileByPath).mockReturnValue(mockFile);

      const result = ConfigPathManager.resolvePath(mockApp, "_system\\dictionary\\test.yaml");

      expect(result.resolvedPath).toBe("_system/dictionary/test.yaml");
    });
  });

  describe("readFile", () => {
    it("should read file content when file exists", async () => {
      vi.mocked(mockApp.vault.getAbstractFileByPath).mockReturnValue(mockFile);
      vi.mocked(mockApp.vault.read).mockResolvedValue("test content");

      const result = await ConfigPathManager.readFile(mockApp, "_system/dictionary/test.yaml");

      expect(result.content).toBe("test content");
      expect(result.error).toBeNull();
    });

    it("should return error when file does not exist", async () => {
      vi.mocked(mockApp.vault.getAbstractFileByPath).mockReturnValue(null);

      const result = await ConfigPathManager.readFile(mockApp, "_system/dictionary/missing.yaml");

      expect(result.content).toBe("");
      expect(result.error).toContain("not found");
    });

    it("should handle read errors", async () => {
      vi.mocked(mockApp.vault.getAbstractFileByPath).mockReturnValue(mockFile);
      vi.mocked(mockApp.vault.read).mockRejectedValue(new Error("Read failed"));

      const result = await ConfigPathManager.readFile(mockApp, "_system/dictionary/test.yaml");

      expect(result.content).toBe("");
      expect(result.error).toContain("Failed to read file");
    });
  });
});