/**
 * Drawings Routes – CRUD for drawings
 */
import type { FastifyInstance } from 'fastify';
import type { DatabaseInterface, DBDrawing } from '../database/DatabaseInterface.js';
import { requireAuth } from '../auth/authMiddleware.js';
import type { AuthService } from '../auth/AuthService.js';
import { validateName, validateIdParam } from '../utils/validation.js';

export function registerDrawingRoutes(fastify: FastifyInstance, db: DatabaseInterface, authService: AuthService) {
  // List drawings for a project
  fastify.get('/api/projects/:projectId/drawings', async (request, reply) => {
    if (!requireAuth(request, reply, authService)) return;
    const { projectId } = request.params as { projectId: string };
    const idErr = validateIdParam(projectId, 'projectId');
    if (idErr) return reply.code(400).send({ error: idErr });
    return db.listDrawings(projectId);
  });

  // Get single drawing
  fastify.get('/api/drawings/:id', async (request, reply) => {
    if (!requireAuth(request, reply, authService)) return;
    const { id } = request.params as { id: string };
    const idErr = validateIdParam(id, 'id');
    if (idErr) return reply.code(400).send({ error: idErr });
    const drawing = db.getDrawing(id);
    if (!drawing) return reply.code(404).send({ error: 'Drawing not found' });
    return drawing;
  });

  // Create drawing
  fastify.post('/api/projects/:projectId/drawings', async (request, reply) => {
    if (!requireAuth(request, reply, authService)) return;
    const { projectId } = request.params as { projectId: string };
    const idErr = validateIdParam(projectId, 'projectId');
    if (idErr) return reply.code(400).send({ error: idErr });
    const body = request.body as Partial<DBDrawing>;
    if (body.name !== undefined) {
      const nameErr = validateName(body.name);
      if (nameErr) return reply.code(400).send({ error: nameErr });
    }
    return reply.code(201).send(db.createDrawing({ ...body, project_id: projectId }));
  });

  // Update drawing
  fastify.patch('/api/drawings/:id', async (request, reply) => {
    if (!requireAuth(request, reply, authService)) return;
    const { id } = request.params as { id: string };
    const idErr = validateIdParam(id, 'id');
    if (idErr) return reply.code(400).send({ error: idErr });
    const body = request.body as Partial<DBDrawing>;
    if (body.name !== undefined) {
      const nameErr = validateName(body.name);
      if (nameErr) return reply.code(400).send({ error: nameErr });
    }
    const updated = db.updateDrawing(id, body);
    if (!updated) return reply.code(404).send({ error: 'Drawing not found' });
    return updated;
  });

  // Delete drawing
  fastify.delete('/api/drawings/:id', async (request, reply) => {
    if (!requireAuth(request, reply, authService)) return;
    const { id } = request.params as { id: string };
    const idErr = validateIdParam(id, 'id');
    if (idErr) return reply.code(400).send({ error: idErr });
    const ok = db.deleteDrawing(id);
    if (!ok) return reply.code(404).send({ error: 'Drawing not found' });
    return reply.code(204).send();
  });
}