import { describe, it, expect, beforeAll, afterAll, beforeEach } from 'vitest';
import type { PrismaClient } from '@prisma/client';
import { setupTestDb, cleanupTestDb, clearAllTables } from './helpers.js';
import { seedTemplates } from '../src/seed/index.js';
import type { SeedTemplate } from '../src/seed/index.js';

let prisma: PrismaClient;

beforeAll(async () => {
  prisma = await setupTestDb();
}, 30_000);

afterAll(async () => {
  await cleanupTestDb();
});

beforeEach(async () => {
  await clearAllTables(prisma);
});

const testTemplates: SeedTemplate[] = [
  {
    name: 'github',
    version: '1.0.0',
    description: 'GitHub MCP server',
    packageName: '@anthropic/github-mcp',
    transport: 'STDIO',
    env: [{ name: 'GITHUB_TOKEN', description: 'Personal access token', required: true }],
  },
  {
    name: 'slack',
    version: '1.0.0',
    description: 'Slack MCP server',
    packageName: '@anthropic/slack-mcp',
    transport: 'STDIO',
    env: [],
  },
];

describe('seedTemplates', () => {
  it('seeds templates', async () => {
    const count = await seedTemplates(prisma, testTemplates);
    expect(count).toBe(2);

    const templates = await prisma.mcpTemplate.findMany({ orderBy: { name: 'asc' } });
    expect(templates).toHaveLength(2);
    expect(templates.map((t) => t.name)).toEqual(['github', 'slack']);
  });

  it('is idempotent (upsert)', async () => {
    await seedTemplates(prisma, testTemplates);
    const count = await seedTemplates(prisma, testTemplates);
    expect(count).toBe(2);

    const templates = await prisma.mcpTemplate.findMany();
    expect(templates).toHaveLength(2);
  });

  it('seeds env correctly', async () => {
    await seedTemplates(prisma, testTemplates);
    const github = await prisma.mcpTemplate.findUnique({ where: { name: 'github' } });
    const env = github!.env as Array<{ name: string; description?: string; required?: boolean }>;
    expect(env).toHaveLength(1);
    expect(env[0].name).toBe('GITHUB_TOKEN');
    expect(env[0].required).toBe(true);
  });

  it('accepts custom template list', async () => {
    const custom: SeedTemplate[] = [
      {
        name: 'custom-template',
        version: '2.0.0',
        description: 'Custom test template',
        packageName: '@test/custom',
        transport: 'STDIO',
        env: [],
      },
    ];
    const count = await seedTemplates(prisma, custom);
    expect(count).toBe(1);

    const templates = await prisma.mcpTemplate.findMany();
    expect(templates).toHaveLength(1);
    expect(templates[0].name).toBe('custom-template');
  });
});