import { Hono } from 'hono'
import type { Variables, WithAuth } from "./middlewares.ts";

export function createClassroomDataRoutes(withAuth: WithAuth) {
  const classroomDataRoutes = new Hono<{ Variables: Variables }>()
  
  // 获取课堂数据列表
  classroomDataRoutes.get('/', withAuth, async (c) => {
    try {
      const apiClient = c.get('apiClient')
      
      const page = Number(c.req.query('page')) || 1
      const pageSize = Number(c.req.query('pageSize')) || 10
      const offset = (page - 1) * pageSize
      
      const search = c.req.query('search') || ''
      const classroomId = c.req.query('classroomId')
      
      let query = apiClient.database.table('classroom_data')
        .orderBy('id', 'desc')
      
      if (search) {
        query = query.where('title', 'like', `%${search}%`)
      }
      
      if (classroomId) {
        query = query.where('classroom_id', classroomId)
      }

      const total = await query.clone().count()
      const data = await query.select('*')
        .limit(pageSize).offset(offset)
      
      return c.json({
        data,
        pagination: {
          total: Number(total),
          current: page,
          pageSize
        }
      })
    } catch (error) {
      console.error('获取课堂数据列表失败:', error)
      return c.json({ error: '获取课堂数据列表失败' }, 500)
    }
  })
  
  // 获取单个课堂数据详情
  classroomDataRoutes.get('/:id', withAuth, async (c) => {
    try {
      const id = Number(c.req.param('id'))
      
      if (!id || isNaN(id)) {
        return c.json({ error: '无效的课堂数据ID' }, 400)
      }
      
      const apiClient = c.get('apiClient')
      const data = await apiClient.database.table('classroom_data')
        .where('id', id)
        .first()
      
      if (!data) {
        return c.json({ error: '课堂数据不存在' }, 404)
      }
      
      return c.json({
        data,
        message: '获取课堂数据详情成功'
      })
    } catch (error) {
      console.error('获取课堂数据详情失败:', error)
      return c.json({ error: '获取课堂数据详情失败' }, 500)
    }
  })

  // 创建课堂数据
  classroomDataRoutes.post('/', withAuth, async (c) => {
    try {
      const apiClient = c.get('apiClient')
      const body = await c.req.json()
      
      // 验证必填字段
      const { classroom_id, title, content } = body
      if (!classroom_id || !title || !content) {
        return c.json({ error: '缺少必要的课堂数据信息' }, 400)
      }

      // 创建课堂数据
      const [id] = await apiClient.database.table('classroom_data').insert({
        classroom_id,
        title,
        content,
        created_at: new Date(),
        updated_at: new Date()
      })

      const newData = await apiClient.database.table('classroom_data')
        .where('id', id)
        .first()

      return c.json({
        data: newData,
        message: '创建课堂数据成功'
      })
    } catch (error) {
      console.error('创建课堂数据失败:', error)
      return c.json({ error: '创建课堂数据失败' }, 500)
    }
  })

  // 更新课堂数据
  classroomDataRoutes.put('/:id', withAuth, async (c) => {
    try {
      const id = Number(c.req.param('id'))
      if (!id || isNaN(id)) {
        return c.json({ error: '无效的课堂数据ID' }, 400)
      }

      const apiClient = c.get('apiClient')
      const body = await c.req.json()
      
      // 验证必填字段
      const { title, content } = body
      if (!title || !content) {
        return c.json({ error: '缺少必要的课堂数据信息' }, 400)
      }

      // 检查数据是否存在
      const existingData = await apiClient.database.table('classroom_data')
        .where('id', id)
        .first()
      
      if (!existingData) {
        return c.json({ error: '课堂数据不存在' }, 404)
      }

      // 更新数据
      await apiClient.database.table('classroom_data')
        .where('id', id)
        .update({
          title,
          content,
          updated_at: new Date()
        })

      const updatedData = await apiClient.database.table('classroom_data')
        .where('id', id)
        .first()

      return c.json({
        data: updatedData,
        message: '更新课堂数据成功'
      })
    } catch (error) {
      console.error('更新课堂数据失败:', error)
      return c.json({ error: '更新课堂数据失败' }, 500)
    }
  })

  // 删除课堂数据
  classroomDataRoutes.delete('/:id', withAuth, async (c) => {
    try {
      const id = Number(c.req.param('id'))
      if (!id || isNaN(id)) {
        return c.json({ error: '无效的课堂数据ID' }, 400)
      }

      const apiClient = c.get('apiClient')
      
      // 检查数据是否存在
      const existingData = await apiClient.database.table('classroom_data')
        .where('id', id)
        .first()
      
      if (!existingData) {
        return c.json({ error: '课堂数据不存在' }, 404)
      }

      // 删除数据
      await apiClient.database.table('classroom_data')
        .where('id', id)
        .delete()

      return c.json({
        message: '删除课堂数据成功',
        id
      })
    } catch (error) {
      console.error('删除课堂数据失败:', error)
      return c.json({ error: '删除课堂数据失败' }, 500)
    }
  })

  return classroomDataRoutes
}