import { describe, it, expect, beforeEach } from 'vitest';
import { appRouter } from './index';
import type { Project } from '../../server/types/project';

describe('tRPC API Layer', () => {
  let ctx: { userId: string };

  beforeEach(() => {
    ctx = { userId: '123e4567-e89b-12d3-a456-426614174000' };
  });

  describe('Project CRUD', () => {
    it('should create a project', async () => {
      const project = await appRouter.project.createProject.mutate({
        input: {
          name: 'Test Project',
          description: 'A test project',
        },
        ctx,
      });

      expect(project).toMatchObject({
        name: 'Test Project',
        description: 'A test project',
        userId: ctx.userId,
      });
      expect(project.id).toBeDefined();
      expect(project.createdAt).toBeInstanceOf(Date);
      expect(project.updatedAt).toBeInstanceOf(Date);
    });

    it('should list projects', async () => {
      const projects = await appRouter.project.listProjects.query({
        ctx: { userId: ctx.userId },
      });

      expect(Array.isArray(projects)).toBe(true);
    });

    it('should get a specific project', async () => {
      // First create a project
      const created = await appRouter.project.createProject.mutate({
        input: { name: 'Get Test' },
        ctx,
      });

      const project = await appRouter.project.getProject.query({
        input: { id: created.id },
        ctx,
      });

      expect(project.id).toBe(created.id);
      expect(project.name).toBe('Get Test');
    });

    it('should update a project', async () => {
      const created = await appRouter.project.createProject.mutate({
        input: { name: 'Update Test' },
        ctx,
      });

      const updated = await appRouter.project.updateProject.mutate({
        input: {
          id: created.id,
          name: 'Updated Test',
          description: 'Updated description',
        },
        ctx,
      });

      expect(updated.name).toBe('Updated Test');
      expect(updated.description).toBe('Updated description');
    });

    it('should delete a project', async () => {
      const created = await appRouter.project.createProject.mutate({
        input: { name: 'Delete Test' },
        ctx,
      });

      const result = await appRouter.project.deleteProject.mutate({
        input: { id: created.id },
        ctx,
      });

      expect(result).toEqual({ success: true });
    });
  });

  describe('Character CRUD', () => {
    let projectId: string;

    beforeEach(async () => {
      const project = await appRouter.project.createProject.mutate({
        input: { name: 'Character Test Project' },
        ctx,
      });
      projectId = project.id;
    });

    it('should create a character', async () => {
      const character = await appRouter.project.createCharacter.mutate({
        input: {
          name: 'John Doe',
          description: 'Main character',
          projectId,
        },
        ctx,
      });

      expect(character).toMatchObject({
        name: 'John Doe',
        description: 'Main character',
        projectId,
      });
    });

    it('should list characters for a project', async () => {
      await appRouter.project.createCharacter.mutate({
        input: { name: 'Char 1', projectId },
        ctx,
      });

      const characters = await appRouter.project.listCharacters.query({
        input: { projectId },
        ctx,
      });

      expect(characters.length).toBeGreaterThan(0);
    });
  });

  describe('Scene CRUD', () => {
    let projectId: string;

    beforeEach(async () => {
      const project = await appRouter.project.createProject.mutate({
        input: { name: 'Scene Test Project' },
        ctx,
      });
      projectId = project.id;
    });

    it('should create a scene', async () => {
      const scene = await appRouter.project.createScene.mutate({
        input: {
          title: 'INT. OFFICE - DAY',
          content: 'John sits at his desk.',
          projectId,
          order: 1,
        },
        ctx,
      });

      expect(scene).toMatchObject({
        title: 'INT. OFFICE - DAY',
        content: 'John sits at his desk.',
        projectId,
        order: 1,
      });
    });

    it('should list scenes for a project', async () => {
      await appRouter.project.createScene.mutate({
        input: { title: 'Scene 1', projectId, order: 1 },
        ctx,
      });

      const scenes = await appRouter.project.listScenes.query({
        input: { projectId },
        ctx,
      });

      expect(scenes.length).toBeGreaterThan(0);
    });

    it('should update scene order', async () => {
      const scene = await appRouter.project.createScene.mutate({
        input: { title: 'Reorder Scene', projectId, order: 1 },
        ctx,
      });

      const updated = await appRouter.project.updateScene.mutate({
        input: { id: scene.id, order: 5 },
        ctx,
      });

      expect(updated.order).toBe(5);
    });
  });

  describe('Error Handling', () => {
    it('should throw error when getting non-existent project', async () => {
      await expect(
        appRouter.project.getProject.query({
          input: { id: '00000000-0000-0000-0000-000000000000' },
          ctx,
        })
      ).rejects.toThrow('not found');
    });

    it('should throw error when deleting non-existent project', async () => {
      const result = await appRouter.project.deleteProject.mutate({
        input: { id: '00000000-0000-0000-0000-000000000000' },
        ctx,
      });

      expect(result).toEqual({ success: false });
    });
  });
});