import { FastifyInstance } from 'fastify';
import { z } from 'zod';
import {
  getDashboard,
  getStreak,
  getHearts,
  restoreHearts,
  getChapterProgress,
} from '../services/progress/progress-service.js';

const restoreHeartsSchema = z.object({
  method: z.enum(['ad', 'wait']),
});

const feedbackSchema = z.object({
  content: z.string().min(1).max(2000),
  contact: z.string().max(255).optional(),
  pageContext: z.string().max(200).optional(),
});

function getUserId(request: { user: unknown }): string {
  return (request.user as { userId: string }).userId;
}

export async function progressRoutes(app: FastifyInstance): Promise<void> {
  app.get('/progress/dashboard', async (request) => {
    const data = await getDashboard(getUserId(request));
    return { success: true, data, error: null };
  });

  app.get('/progress/streak', async (request) => {
    const data = await getStreak(getUserId(request));
    return { success: true, data, error: null };
  });

  app.get('/progress/hearts', async (request) => {
    const data = await getHearts(getUserId(request));
    return { success: true, data, error: null };
  });

  // [废弃] 请使用 POST /rewards/ad-recovery/session + /rewards/ad-recovery/complete 两步流程。
  app.post('/progress/hearts/restore', async (request) => {
    const parsed = restoreHeartsSchema.safeParse(request.body);
    if (!parsed.success) {
      return { success: false, data: null, error: { code: 'VALIDATION_ERROR', message: parsed.error.issues[0]?.message } };
    }
    const data = await restoreHearts(getUserId(request), parsed.data.method);
    return { success: true, data, error: null };
  });

  app.get('/progress/chapters', async (request) => {
    const data = await getChapterProgress(getUserId(request));
    return { success: true, data, error: null };
  });

  app.post('/feedback', async (request) => {
    const parsed = feedbackSchema.safeParse(request.body);
    if (!parsed.success) {
      return { success: false, data: null, error: { code: 'VALIDATION_ERROR', message: parsed.error.issues[0]?.message } };
    }
    const { db } = await import('../db/client.js');
    const { userFeedback } = await import('../db/schema.js');
    const { v4: uuid } = await import('uuid');
    const userId = getUserId(request);

    await db.insert(userFeedback).values({
      id: uuid(),
      userId,
      content: parsed.data.content,
      contact: parsed.data.contact ?? null,
      pageContext: parsed.data.pageContext ?? null,
    });

    return { success: true, data: null, error: null };
  });
}