/**
 * Database storage layer tests
 */

import { describe, test, expect, beforeEach, afterEach } from "bun:test";
import { database } from "../../../src/storage/database.js";
import { createTempDir } from "../../helpers/test-utils.js";
import { setupTestDatabase } from "../../helpers/database-helper.js";
import {
  testCodeSnippet,
  testNote,
  testTask,
  testBabyMilestone,
  testMathResource,
  testGameWishlist,
} from "../../fixtures/test-data.js";

describe("Database", () => {
  let testContext: ReturnType<typeof createTempDir>;
  let cleanupDb: () => void;

  beforeEach(() => {
    testContext = createTempDir();
    cleanupDb = setupTestDatabase(testContext);
  });

  afterEach(() => {
    cleanupDb();
    testContext.cleanup();
  });

  describe("Code Snippets", () => {
    test("should save and retrieve code snippet", () => {
      database.saveCodeSnippet(testCodeSnippet);
      const snippet = database.getCodeSnippet(testCodeSnippet.id);

      expect(snippet).toBeDefined();
      expect(snippet?.title).toBe(testCodeSnippet.title);
      expect(snippet?.code).toBe(testCodeSnippet.code);
      expect(snippet?.language).toBe(testCodeSnippet.language);
    });

    test("should list all code snippets", () => {
      database.saveCodeSnippet(testCodeSnippet);
      const snippets = database.getCodeSnippets();

      expect(snippets.length).toBeGreaterThan(0);
      expect(snippets.find((s) => s.id === testCodeSnippet.id)).toBeDefined();
    });

    test("should search code snippets", () => {
      database.saveCodeSnippet(testCodeSnippet);
      const results = database.searchCodeSnippets("Test");

      expect(results.length).toBeGreaterThan(0);
      expect(results[0].title).toContain("Test");
    });

    test("should search code snippets by tags", () => {
      database.saveCodeSnippet(testCodeSnippet);
      const results = database.searchCodeSnippets("", ["test"]);

      expect(results.length).toBeGreaterThan(0);
      expect(results[0].tags).toContain("test");
    });

    test("should delete code snippet", () => {
      database.saveCodeSnippet(testCodeSnippet);
      const deleted = database.deleteCodeSnippet(testCodeSnippet.id);

      expect(deleted).toBe(true);
      expect(database.getCodeSnippet(testCodeSnippet.id)).toBeUndefined();
    });

    test("should update existing code snippet", () => {
      database.saveCodeSnippet(testCodeSnippet);
      const updated = {
        ...testCodeSnippet,
        title: "Updated Title",
      };
      database.saveCodeSnippet(updated);

      const snippet = database.getCodeSnippet(testCodeSnippet.id);
      expect(snippet?.title).toBe("Updated Title");
    });
  });

  describe("Notes", () => {
    test("should save and retrieve note", () => {
      database.saveNote(testNote);
      const note = database.getNote(testNote.id);

      expect(note).toBeDefined();
      expect(note?.title).toBe(testNote.title);
      expect(note?.content).toBe(testNote.content);
    });

    test("should list all notes", () => {
      database.saveNote(testNote);
      const notes = database.getNotes();

      expect(notes.length).toBeGreaterThan(0);
      expect(notes.find((n) => n.id === testNote.id)).toBeDefined();
    });

    test("should search notes", () => {
      database.saveNote(testNote);
      const results = database.searchNotes("Test");

      expect(results.length).toBeGreaterThan(0);
      expect(results[0].title).toContain("Test");
    });

    test("should delete note", () => {
      database.saveNote(testNote);
      const deleted = database.deleteNote(testNote.id);

      expect(deleted).toBe(true);
      expect(database.getNote(testNote.id)).toBeUndefined();
    });
  });

  describe("Tasks", () => {
    test("should save and retrieve task", () => {
      database.saveTask(testTask);
      const task = database.getTask(testTask.id);

      expect(task).toBeDefined();
      expect(task?.title).toBe(testTask.title);
      expect(task?.completed).toBe(false);
    });

    test("should list all tasks", () => {
      database.saveTask(testTask);
      const tasks = database.getTasks();

      expect(tasks.length).toBeGreaterThan(0);
      expect(tasks.find((t) => t.id === testTask.id)).toBeDefined();
    });

    test("should filter tasks by completion status", () => {
      database.saveTask(testTask);
      const completedTask = { ...testTask, id: "task-2", completed: true };
      database.saveTask(completedTask);

      const pendingTasks = database.getTasks(false);
      const completedTasks = database.getTasks(true);

      expect(pendingTasks.length).toBeGreaterThan(0);
      expect(completedTasks.length).toBeGreaterThan(0);
      expect(pendingTasks.find((t) => t.id === testTask.id)).toBeDefined();
      expect(completedTasks.find((t) => t.id === "task-2")).toBeDefined();
    });
  });

  describe("Baby Milestones", () => {
    test("should save and retrieve baby milestone", () => {
      database.saveBabyMilestone(testBabyMilestone);
      const milestones = database.getBabyMilestones();

      expect(milestones.length).toBeGreaterThan(0);
      expect(milestones.find((m) => m.id === testBabyMilestone.id)).toBeDefined();
    });
  });

  describe("Math Resources", () => {
    test("should save and retrieve math resource", () => {
      database.saveMathResource(testMathResource);
      const resources = database.getMathResources();

      expect(resources.length).toBeGreaterThan(0);
      expect(resources.find((r) => r.id === testMathResource.id)).toBeDefined();
    });

    test("should search math resources", () => {
      database.saveMathResource(testMathResource);
      const results = database.searchMathResources("Addition");

      expect(results.length).toBeGreaterThan(0);
      expect(results[0].title).toContain("Addition");
    });

    test("should filter math resources by grade", () => {
      database.saveMathResource(testMathResource);
      const results = database.searchMathResources("", "1st");

      expect(results.length).toBeGreaterThan(0);
      expect(results[0].grade).toBe("1st");
    });
  });

  describe("Game Wishlist", () => {
    test("should save and retrieve game wishlist", () => {
      database.saveGameWishlist(testGameWishlist);
      const games = database.getGameWishlist();

      expect(games.length).toBeGreaterThan(0);
      expect(games.find((g) => g.id === testGameWishlist.id)).toBeDefined();
    });

    test("should delete game from wishlist", () => {
      database.saveGameWishlist(testGameWishlist);
      const deleted = database.deleteGameWishlist(testGameWishlist.id);

      expect(deleted).toBe(true);
      const games = database.getGameWishlist();
      expect(games.find((g) => g.id === testGameWishlist.id)).toBeUndefined();
    });
  });
});